IAA RAS IAA Minor Planet Database

326732 (2003 HB6)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5703080163 ± 1.89e-09
Semi-major axis (a)2.7131906889 AU ± 7.20e-10
Inclination (i)6.61836662° ± 4.23e-07
Long. of Asc. Node (Ω)161.61119965° ± 2.14e-06
Arg. of Perihelion (ω)145.80553319° ± 2.49e-06
Mean Anomaly (M)348.17984789° ± 1.45e-07
Mean Motion (n)0.2205422491°/day ± 8.77e-11
Perihelion dist (q)1.16583629 AU ± 5.14e-09
Aphelion dist (Q)4.26054509 AU ± 5.25e-09
Orbital Period4.46910416 yr ± 1.78e-09
Physical Parameters
H (abs. magnitude)17.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.209″
Uncertainty0
Orbit TypeAmor
MOID0.163175 AU
Observations Used5317
Radar Obs Used1
Oppositions7
Arc Total2003-2012
First Observation Used2003-03-26
Last Observation Used2025-03-25
Observations (8024)
Date Type RA Dec Mag Band Observatory
2021-08-23 09:13:58 s 1 +155306.00 9 +227851.73 1310.0 – C57
2021-08-23 09:23:58 S 22 57 16.798 +00 14 59.68 – V C57
2021-08-23 09:23:58 s 1 +155102.08 5 +228466.67 920.0 – C57
2021-08-23 09:33:58 S 22 57 17.671 +00 14 47.15 – V C57
2021-08-23 09:33:58 s 1 +154897.14 6 +229080.12 7320.0 – C57
2021-08-23 09:43:58 S 22 57 18.605 +00 14 34.55 – V C57
2021-08-23 09:43:58 s 1 +154691.19 9 +229692.07 510.0 – C57
2021-08-23 09:53:58 S 22 57 19.488 +00 14 21.84 – V C57
2021-08-23 09:53:58 s 1 +154484.24 8 +230302.54 520.0 – C57
2021-08-23 10:03:58 S 22 57 20.335 +00 14 09.31 – V C57
2021-08-23 10:03:58 s 1 +154276.29 9 +230911.51 7360.0 – C57
2021-08-23 10:13:58 S 22 57 21.295 +00 13 56.93 – V C57
2021-08-23 10:13:58 s 1 +154067.35 6 +231518.99 1050.0 – C57
2021-08-23 10:23:58 S 22 57 22.135 +00 13 44.83 – V C57
2021-08-23 10:23:58 s 1 +153857.42 5 +232124.98 1610.0 – C57
2021-08-23 10:33:58 S 22 57 23.018 +00 13 31.94 – V C57
2021-08-23 10:33:58 s 1 +153646.51 1 +232729.49 9050.0 – C57
2021-08-23 10:43:58 S 22 57 23.974 +00 13 19.49 – V C57
2021-08-23 10:43:58 s 1 +153434.62 0 +233332.52 3400.0 – C57
2021-08-23 10:53:58 S 22 57 24.821 +00 13 07.10 – V C57
2021-08-23 10:53:58 s 1 +153221.75 6 +233934.07 4660.0 – C57
2021-08-23 11:03:58 S 22 57 25.711 +00 12 54.94 – V C57
2021-08-23 11:03:58 s 1 +153007.92 4 +234534.14 2850.0 – C57
2021-08-23 11:13:58 S 22 57 26.635 +00 12 42.08 – V C57
2021-08-23 11:13:58 s 1 +152793.13 0 +235132.73 8000.0 – C57
2021-08-23 11:23:58 S 22 57 27.504 +00 12 29.63 – V C57
2021-08-23 11:23:58 s 1 +152577.37 9 +235729.84 110.0 – C57
2021-08-23 11:33:58 S 22 57 28.450 +00 12 17.17 – V C57
2021-08-23 11:33:58 s 1 +152360.67 5 +236325.49 9200.0 – C57
2021-08-23 11:43:58 S 22 57 29.338 +00 12 04.46 – V C57
2021-08-23 11:43:58 s 1 +152143.02 3 +236919.66 5290.0 – C57
2021-08-23 11:53:58 S 22 57 30.178 +00 11 52.76 – V C57
2021-08-23 11:53:58 s 1 +151924.42 9 +237512.36 8400.0 – C57
2021-08-23 12:03:58 S 22 57 31.130 +00 11 39.98 – V C57
2021-08-23 12:03:58 s 1 +151704.89 7 +238103.60 8530.0 – C57
2021-08-23 12:13:58 S 22 57 31.982 +00 11 27.38 – V C57
2021-08-23 12:13:58 s 1 +151484.43 2 +238693.37 5710.0 – C57
2021-08-23 12:23:58 S 22 57 32.899 +00 11 15.00 – V C57
2021-08-23 12:23:58 s 1 +151263.03 8 +239281.68 9960.0 – C57
2021-08-23 12:33:58 S 22 57 33.835 +00 11 01.82 – V C57
2021-08-23 12:33:58 s 1 +151040.72 2 +239868.52 1280.0 – C57
2021-08-23 12:43:58 S 22 57 34.697 +00 10 49.66 – V C57
2021-08-23 12:43:58 s 1 +150817.48 7 +240453.91 9690.0 – C57
2021-08-23 12:53:58 S 22 57 35.575 +00 10 37.63 – V C57
2021-08-23 12:53:58 s 1 +150593.43 6 +241037.83 5560.0 – C57
2021-08-23 13:03:58 S 22 57 36.526 +00 10 24.82 – V C57
2021-08-23 13:03:58 s 1 +150373.05 0 +241620.08 4520.0 – C57
2021-08-23 13:13:58 S 22 57 37.394 +00 10 12.11 – V C57
2021-08-23 13:13:58 s 1 +150146.82 4 +242201.12 3360.0 – C57
2021-08-23 13:23:58 S 22 57 38.326 +00 09 59.44 – V C57
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2012-07-15 01:40:00 247744595.14 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)