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
2007-03-14 22:26:15 C 09 24 15.57 +36 59 16.7 o A32
2007-03-14 22:33:48 C 09 24 15.36 +36 59 20.4 c A24
2007-03-14 22:41:39 C 09 24 15.26 +36 59 20.1 o A32
2007-03-14 22:52:49 C 09 24 14.96 +36 59 24.0 c A24
2007-03-14 22:54:16 C 09 24 14.92 +36 59 24.1 c A24
2007-03-14 23:04:47 C 09 24 14.70 +36 59 26.2 c A24
2007-03-14 23:16:44 C 09 24 14.45 +36 59 28.4 c A24
2007-03-14 23:27:15 C 09 24 14.22 +36 59 30.5 c A24
2007-03-14 23:28:41 C 09 24 14.20 +36 59 30.7 c A24
2007-03-14 23:39:08 C 09 24 13.97 +36 59 32.7 c A24
2007-03-14 23:51:00 C 09 24 13.72 +36 59 34.9 c A24
2007-03-15 00:01:28 C 09 24 13.50 +36 59 36.8 c A24
2007-03-15 00:02:53 C 09 24 13.45 +36 59 37.3 c A24
2007-03-15 00:18:23 C 09 24 13.13 +36 59 40.1 c A24
2007-03-15 00:34:14 C 09 24 12.78 +36 59 43.1 c A24
2007-03-15 00:40:14 C 09 24 12.707 +36 59 40.5 r 084
2007-03-15 00:42:23 C 09 24 12.658 +36 59 40.9 r 084
2007-03-15 00:50:22 C 09 24 12.44 +36 59 46.1 c A24
2007-03-15 01:08:20 C 09 24 12.05 +36 59 49.5 c A24
2007-03-15 01:24:59 C 09 24 11.70 +36 59 52.7 c A24
2007-03-15 20:47:41 C 09 23 51.32 +37 03 36.5 c A24
2007-03-15 21:02:51 C 09 23 51.04 +37 03 39.5 c A24
2007-03-15 21:18:37 C 09 23 50.74 +37 03 41.4 c A24
2007-03-15 21:34:44 C 09 23 50.40 +37 03 44.4 c A24
2007-03-15 21:46:29 C 09 23 50.19 +37 03 46.8 c A24
2007-03-15 21:47:57 C 09 23 50.12 +37 03 46.9 c A24
2007-03-15 21:59:11 C 09 23 49.93 +37 03 48.8 c A24
2007-03-15 22:11:53 C 09 23 49.63 +37 03 51.1 c A24
2007-03-15 22:23:08 C 09 23 49.41 +37 03 53.3 c A24
2007-03-15 22:24:35 C 09 23 49.40 +37 03 53.3 c A24
2007-03-15 22:35:17 C 09 23 49.19 +37 03 55.5 c A24
2007-03-15 22:47:27 C 09 23 48.96 +37 03 57.3 c A24
2007-03-15 22:58:09 C 09 23 48.76 +37 03 59.3 c A24
2007-03-15 22:59:36 C 09 23 48.72 +37 03 59.4 c A24
2007-03-15 23:15:44 C 09 23 48.42 +37 04 02.3 c A24
2007-03-15 23:28:43 C 09 23 48.17 +37 04 04.5 c A24
2007-03-16 21:29:37 C 09 23 27.61 +37 07 44.5 c A24
2007-03-16 21:40:17 C 09 23 27.38 +37 07 46.0 c A24
2007-03-16 21:41:45 C 09 23 27.42 +37 07 46.1 c A24
2007-03-16 21:53:06 C 09 23 27.24 +37 07 48.0 c A24
2007-03-16 22:05:53 C 09 23 27.01 +37 07 49.8 c A24
2007-03-16 22:17:13 C 09 23 26.81 +37 07 51.6 c A24
2007-03-16 22:18:40 C 09 23 26.79 +37 07 51.4 c A24
2007-03-16 22:32:34 C 09 23 26.58 +37 07 54.0 c A24
2007-03-16 22:41:37 C 09 23 26.39 +37 07 54.8 c A24
2007-03-16 22:52:21 C 09 23 26.22 +37 07 56.4 c A24
2007-03-16 22:53:49 C 09 23 26.17 +37 07 56.8 c A24
2007-03-16 23:09:48 C 09 23 25.91 +37 07 58.7 c A24
2007-03-17 04:07:12 C 09 23 22.20 +37 08 46.3 r 703
2007-03-17 04:20:03 C 09 23 21.98 +37 08 48.3 r 703
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)