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Home All issues Volume 689 (September 2024) A&A, 689 (2024) A183 Full HTML
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Table 5

Same as Table 4 for 1-m meteoroids.

1-m 1-m 1-m 1-m 1-m 1-m
Num. Family Res. τg18 τneo τmb ρ Nmb Nneo Φ obs. Notes
– – – Myr Myr Myr g cm−3 1010 108 10−9km−2yr−1 %
4 Vesta (HED) v6 6.98 2.50 115 2.5 2–7 4.3–15 18–62 Mesosiderites (Libourel et al. 2023)
25 Phocaea (H) v6 6.98 7.24 114 2.5 0.5–1 3.2–6.4 3.2–6.5
170 Maria (H) 3:1 1.83 1.82 98 2.5 0.8–2 1.5–3.7 2.3–5.7
808 Merxia (H) 5:2 0.68 0.43 81 2.5 0.3–0.9 0.2–0.5 0.3–0.8
847 Agnia (H) 5:2 0.68 0.34 103 2.5 1–2 0.3–0.7 1.6–3.7
158 Koronis (H) 5:2 0.68 0.36 176 2.5 2–4 0.4–0.8 2.5–5.0
158′ Koronis(2) (H) 5:2 0.68 0.33 138 2.5 ~ 100–200 24–48 137–274 2.11° dust band
832 Karin (H) 5:2 0.68 0.33 138 2.5 30–60 7.2–14 41–82 ditto
20 Massalia (L) 3:1 1.83 3.83 139 2.5 0.4–1 1.1–2.8 8.0–20
20′ Massalia(2) (L) 3:1 1.83 3.83 139 2.5 ~10–20 28-55 200–400 1.43° dust band
1272 Gefion (L) 5:2 0.68 0.32 75 2.5 0.5–1.5 0.2–0.6 0.3–0.9
3 Juno (L) 8:3 1.70 1.38 204 2.5 0.5–1.5 0.3–1.0 0.6–1.9
8 Flora (LL) V6 6.98 3.45 110 2.5 2–4 6.3–13 24–47
15 Eunomia (LL) 3:1 1.83 1.56 199 2.5 1–6 0.8–4.7 1.3–7.4
44 Nysa (LL) 3:1 1.83 1.79 114 2.5 0.5–0.8 0.8–1.3 6.3–10
144 Vibilia (CM) 8:3 1.70 1.24 62 1.7 0.3–0.7 0.6–1.4 3.3–7.7
145 Adeona (CM) 8:3 1.70 1.55 157 2.3 2–5 2.0–4.9 4.2–13.9 11.7°
163 Erigone (CM) 3:1 1.83 2.33! 77 1.7 0.3–1 0.9–3.0 5.0–12.2 4.8°
410 Chloris (CM) 8:3 1.70 0.52 53 2.3 0.2–0.6 0.2–0.6 0.5–1.4
490 Veritas (CM) 2:1 0.40 0.39 581 2.3 320–370! 215–249! 188–217 9.35° dust band
668 Dora (CM) 5:2 0.68 0.42 54 2.3 1.4–5 1.1–3.9 2.4–8.4 7.9°
778 Theobalda (CM) 2:1 0.40 0.38 51 1.7 20–60! 15–45! 13–40 14.4°
1128 Astrid (CM) 5:2 0.68 0.60 134 1.7 1–3 0.4–1.3 2.2–7.1 0.6°
3815 König (CM) 3:1 1.83 1.64 63 1.7 4–15 10–39! 22–84 9.0°!
10 Hygiea (CI) 2:1 0.40 0.36 161 1.6 6–14 1.3–3.1 0.9–2.2 5.1°, all CI are CI/IDP
24 Themis (CI) 2:1 0.40 0.43 145 1.6 10–30 3.1–9.4 6.6–20 1.1°
31 Euphrosyne (CI) 2:1 0.40 0.93 51 1.6 5–15 9.1–27! 7.0–21 26.5°
128 Nemesis (CI) 8:3 1.70 0.49 155 3.8 0.6–2 0.2–0.6 0.5–1.5
142 Polana (CI) 3:1 1.83 1.89 66 1.6 3–8 8.6–23 42–110! 3.3°
302 Clarissa (CI) 3:1 1.83 2.44! 73 1.7 0.5–4 1.7–13 7.0–55 3.3°
375 Ursula (CI) 2:1 0.40 0.71 185 1.6 3–10 1.2–3.8 1.0–3.3 16.4°
569 Misa (CI) 8:3 1.70 1.08 80 1.7 1–6 1.4–8.1 7.3–42! 2.3°!
618 Elfriede (CI) 2:1 0.40 0.53 319 1.7 5–35 0.8–5.8 0.6–4.2 15.9°
656 Beagle (CI) 2:1 0.40 0.20! 158 1.6 2–3 0.2–0.4 0.2–0.4 cf. Marsset et al. (2024)
702 Alauda (CI) 2:1 0.40 0.66 63 1.7 2–11 2.1–12 1.6–8.9 21.6°
845 Naema (CI) 5:2 0.68 0.41 114 1.7 0.4–0.9 0.1–0.3 0.1–0.3
1726 Hoffmeister (CI) 2:1 0.40 0.53 93 1.6 6–14 3.4–8.0 13–30 4.4°
3556 Lixiaohua (CI) 2:1 0.40 0.35 68 1.6 1.5–4.5 0.8–2.3 1.2–3.6 10.1 °
283 Emma (IDP) 9:4 0.40 0.28 174 1.7 0.8–3.5 0.1–0.6 0.1–0.7
363 Padua (IDP) 8:3 1.70 0.90 106 1.7 0.7–1.2 0.6–1.0 1.5–2.5
2 Pallas (B) 5:2 0.68 3.62 134 2.9 0.1–1 0.3–2.7 0.2–1.9 33.2°
221 Eos (CO/CV/CK) 7:3 0.20 0.41 313! 3.1 10–30 1.3–3.9 2.1–6.3 9.9°
729 Watsonia (CO/CV/CK) 8:3 1.70 1.88 53 3.1 0.1–0.3 0.4–1.1 0.5–1.3 17. 4° !
298 Baptistina (?) 6.98 5.11 85 3.1 0.6–1 3.6–6.0 11–19 6.0°!
396 Aeolia (?) 5:2 0.68 0.56 58 1.7 3–10 2.9–9.7 9.7–33 3.5°
4203 Brucato (?) 8:3 1.70 4.48! 51 1.7 0.3–0.7 2.6–6.1 2.3–5.4 28.8°
22 Kalliope (M) 5:2 0.68 0.48 123 3.5 2–5S 0.8–2.0 1.3–3.2
293 Brasilia (M) 5:2 0.68 0.68 86 3.8 1.5–3.5 1.2–2.8 1.7–3.9 15 . 0° CH?
369 Aëria (M) 8:3 1.70 1.11 346 3.8 1.5–3S 0.5–1.0 0.9–1.8
606 Brangäne (M) 3:1 1.83 1.55 102 3.1 0.5–5 0.8–7.6 2.0–19 9.6°! CB?
1222 Tina (M) 5:2 0.68 1.72 21 3.5 0.1–0.4 0.8–3.3 0.9–3.8
44′ Nysa (E) 3:1 1.83 1.79 114 2.5 0.5–0.8 0.8–1.3 6.3–10 3.1° EH/EL?
434 Hungaria (E) 5:1 36.0 35.18! 300? 3.1 0.5–0.8 5.9–9.4 7.6–12 20.9° aubrites (Ćuk et al. 2014)
87 Sylvia (P) 2:1 0.40 0.46 392 1.3 2–6 0.2–0.7 0.2–0.6 9.9°
2732 Witt (?) 5:2 0.68 0.91 118 2.5 1.5–4 1.2–3.1 3.5–9.0 5.8°
3200 Phaethon (CY?) – – – – 1.7 – 2–15 6.3–48! Geminids, MacLennan & Granvik (2024)
4652 Iannini (Aca/Lod) 11:4 – 1.65 283 2.5 ~1–5 0.6–2.9 0.8–3.9 12. 1 ° dust band, pyroxene–rich
HED 2–7 4.3–15 18–62 6.0%
H 135–270 37–74 188–377 34% Brož et al. (2024)
L 11–24 29–60 209–423 38% Brož et al. (2024)
LL 3.5–11 7.9–19 31–65 8.3% Brož et al. (2024)
CM 349–460 246–348 241–391 1.8% cf. fragmentation!
CI 46–157 34–117 88–304 0.4% cf. fragmentation!
IDP 1.5–4.7 0.7–1.6 1.6–3.2 0.5%
B 0.1–1 0.3–2.7 0.2–1.9 0.6%
CO/CV/CK 10–30 1.7–5.0 2.6–7.6 1.3%
CR – – – 0.2% CM-type?
CH – – – 0.05%? M-type?
CB – – – 0.05%? M-type?
M 5.6–15 4.1–15 6.8–31 4.1% Irons
E 1.5–2.4 6.7–11 14–22! 2.4% Enstatite, reduced
Aub – – – 0.9% E-type
EH – – – 0.8% E-type?
EL – – – 0.7% E-type?
P 2–6 0.2–0.7 0.2–0.6 –
D – – – –
Aca/Lod 1–5 0.6–2.9 0.8–3.9 0.2% Acaplucoites, lodranites
? 3.6–11 6.5–16 21–51 –
? 0.3–0.7 2.6–6.1 2.3–5.4 –
CM+CI+IDP+B+CO/CV/CK+CR+CH+CB+? 411–665 281–461 355–760 4.4%
H+L+LL 150–305 74–152 428–865 80%
All bodies 500–1400 200–300H 740N
All bodies 890C

Notes.1 Extended synthetic family of 1-m bodies, corresponding to a 1/D$1/\sqrt D $ dependence; S assuming 10 times higher strength; H Harris & Chodas (2021); N Nesvorný et al. (2023).

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