3103 Eger (1982 BB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3541833241 ± 2.00e+00
Semi-major axis (a)1.4039472551 AU ± 3.00e+00
Inclination (i)20.93071887° ± 4.00e+00
Long. of Asc. Node (Ω)129.73173744° ± 5.00e+00
Arg. of Perihelion (ω)254.10494834° ± 6.00e+00
Mean Anomaly (M)181.12184640° ± 8.33e-05
Mean Motion (n)0.5924969077°/day ± 1.90e+00
Perihelion dist (q)0.90669255 AU ± 3.41e+00
Aphelion dist (Q)1.90120196 AU ± 4.94e+00
Orbital Period1.66351296 yr ± 5.33e+00
NGA Modelr2
A24.86502687e-06 AU/d²
Physical Parameters
H (abs. magnitude)15.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.341″
Uncertainty0
Orbit TypeApollo
MOID0.078006 AU
Observations Used7901
Radar Obs Used4
Gaia Obs Used108
Oppositions14
Arc Total1982-2017
First Observation Used1982-02-02
Last Observation Used2026-04-05
Observations (11858)
Date Type RA Dec Mag Band Observatory
2007-04-08 22:15:38 C 09 28 37.95 +36 38 11.1 c A24
2007-04-08 22:37:38 C 09 28 38.56 +36 38 06.5 c A24
2007-04-08 22:58:12 C 09 28 39.11 +36 38 01.8 c A24
2007-04-08 22:59:38 C 09 28 39.07 +36 38 01.9 c A24
2007-04-08 23:20:14 C 09 28 39.71 +36 37 57.0 c A24
2007-04-08 23:42:16 C 09 28 40.31 +36 37 51.7 c A24
2007-04-09 00:02:51 C 09 28 40.89 +36 37 46.9 c A24
2007-04-09 00:04:17 C 09 28 40.90 +36 37 45.9 c A24
2007-04-09 01:02:07 C 09 28 42.706 +36 37 31.5 r 084
2007-04-09 20:10:40 C 09 29 17.46 +36 33 33.5 c A24
2007-04-09 20:12:06 C 09 29 17.50 +36 33 33.2 c A24
2007-04-09 20:32:08 C 09 29 18.08 +36 33 28.9 c A24
2007-04-09 20:53:35 C 09 29 18.68 +36 33 24.2 c A24
2007-04-09 21:13:38 C 09 29 19.30 +36 33 19.7 c A24
2007-04-09 21:15:02 C 09 29 19.27 +36 33 19.2 c A24
2007-04-09 21:35:08 C 09 29 19.87 +36 33 15.0 c A24
2007-04-09 21:36:33 C 09 29 19.90 +36 33 14.4 c A24
2007-04-09 21:53:22 C 09 29 20.34 +36 33 10.0 c A24
2007-04-09 22:11:37 C 09 29 20.94 +36 33 06.7 c A24
2007-04-09 22:28:25 C 09 29 21.42 +36 33 02.9 c A24
2007-04-09 22:29:51 C 09 29 21.49 +36 33 02.9 c A24
2007-04-09 22:46:24 C 09 29 21.96 +36 32 59.0 c A24
2007-04-09 23:04:24 C 09 29 22.48 +36 32 54.9 c A24
2007-04-09 23:20:57 C 09 29 22.96 +36 32 51.0 c A24
2007-04-09 23:22:24 C 09 29 23.00 +36 32 50.9 c A24
2007-04-10 20:13:43 C 09 30 02.44 +36 28 15.4 c A24
2007-04-10 20:15:11 C 09 30 02.53 +36 28 15.1 c A24
2007-04-10 20:35:38 C 09 30 03.10 +36 28 10.4 c A24
2007-04-10 20:57:33 C 09 30 03.78 +36 28 05.3 c A24
2007-04-10 21:18:00 C 09 30 04.37 +36 28 00.7 c A24
2007-04-10 21:19:27 C 09 30 04.42 +36 28 00.1 c A24
2007-04-10 21:25:56 C 09 30 04.61 +36 27 58.8 c A24
2007-04-10 21:33:50 C 09 30 04.85 +36 27 56.9 c A24
2007-04-10 21:40:18 C 09 30 05.04 +36 27 55.5 c A24
2007-04-10 21:41:45 C 09 30 05.10 +36 27 55.1 c A24
2007-04-10 22:04:54 C 09 30 05.80 +36 27 49.8 c A24
2007-04-10 22:29:31 C 09 30 06.56 +36 27 44.0 c A24
2007-04-10 22:52:38 C 09 30 07.29 +36 27 38.5 c A24
2007-04-10 22:54:08 C 09 30 07.31 +36 27 38.4 c A24
2007-04-11 20:43:37 C 09 30 50.21 +36 22 37.5 c A24
2007-04-11 20:45:04 C 09 30 50.26 +36 22 37.2 c A24
2007-04-11 21:05:35 C 09 30 50.88 +36 22 32.3 c A24
2007-04-11 21:27:31 C 09 30 51.56 +36 22 27.1 c A24
2007-04-11 21:48:01 C 09 30 52.19 +36 22 22.0 c A24
2007-04-11 21:49:28 C 09 30 52.25 +36 22 21.9 c A24
2007-04-11 21:55:53 C 09 30 52.45 +36 22 20.3 c A24
2007-04-11 22:03:44 C 09 30 52.72 +36 22 18.5 c A24
2007-04-11 22:10:08 C 09 30 52.93 +36 22 17.0 c A24
2007-04-11 22:11:35 C 09 30 52.99 +36 22 16.4 c A24
2007-04-11 22:28:31 C 09 30 53.52 +36 22 12.2 c A24
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1986-07-18 07:50:00 202602 6 Hz 2380 -1 -1
1986-07-18.326389 20260200 600 Hz 2380 251 251
1996-07-29 09:10:00 469654 5 Hz 8510 -14 -14
1996-07-29 13:00:00 133166634 10 us 8510 -14 -14
1996-07-29.381944 46965400 500 Hz 8510 253 253
1996-07-29.541667 13316663400 10000 us 8510 253 253
1996-07-30 10:50:00 410012.2 5 Hz 8510 -14 -14
1996-07-30.451389 41001220 500 Hz 8510 253 253
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)