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
2007-03-12 00:29:07 C 09 25 51.76 +36 42 16.7 c A24
2007-03-12 00:30:34 C 09 25 51.70 +36 42 17.2 c A24
2007-03-12 00:36:14 C 09 25 51.63 +36 42 16.9 o A32
2007-03-12 00:42:38 C 09 25 51.45 +36 42 18.8 o A32
2007-03-12 00:50:37 C 09 25 51.22 +36 42 20.8 o A32
2007-03-12 21:39:00 C 09 25 19.79 +36 48 03.0 c A24
2007-03-12 21:58:34 C 09 25 19.27 +36 48 07.8 c A24
2007-03-12 22:14:26 C 09 25 18.85 +36 48 11.8 c A24
2007-03-12 22:30:11 C 09 25 18.41 +36 48 15.8 c A24
2007-03-12 22:47:46 C 09 25 17.94 +36 48 20.1 c A24
2007-03-12 23:01:00 C 09 25 17.58 +36 48 23.5 c A24
2007-03-12 23:02:26 C 09 25 17.53 +36 48 23.7 c A24
2007-03-12 23:13:54 C 09 25 17.24 +36 48 26.6 c A24
2007-03-12 23:26:48 C 09 25 16.88 +36 48 29.6 c A24
2007-03-12 23:38:16 C 09 25 16.58 +36 48 32.6 c A24
2007-03-12 23:39:43 C 09 25 16.55 +36 48 32.9 c A24
2007-03-12 23:51:12 C 09 25 16.23 +36 48 35.7 c A24
2007-03-13 00:04:07 C 09 25 15.90 +36 48 38.8 c A24
2007-03-13 00:15:37 C 09 25 15.59 +36 48 41.7 c A24
2007-03-13 00:17:03 C 09 25 15.56 +36 48 41.9 c A24
2007-03-13 00:29:40 C 09 25 15.21 +36 48 45.1 c A24
2007-03-13 00:47:46 C 09 25 14.73 +36 48 49.7 c A24
2007-03-13 01:06:05 C 09 25 14.24 +36 48 54.2 c A24
2007-03-13 01:25:11 C 09 25 13.71 +36 48 59.1 c A24
2007-03-13 21:52:24 C 09 24 46.11 +36 53 58.4 c A24
2007-03-13 22:07:45 C 09 24 45.73 +36 54 01.9 c A24
2007-03-13 22:23:10 C 09 24 45.35 +36 54 05.3 c A24
2007-03-13 22:38:48 C 09 24 44.97 +36 54 08.8 c A24
2007-03-13 22:54:46 C 09 24 44.58 +36 54 12.4 c A24
2007-03-13 23:07:59 C 09 24 44.25 +36 54 15.4 c A24
2007-03-13 23:09:24 C 09 24 44.22 +36 54 15.6 c A24
2007-03-13 23:21:58 C 09 24 43.91 +36 54 18.4 c A24
2007-03-13 23:33:51 C 09 24 43.62 +36 54 21.1 c A24
2007-03-13 23:45:22 C 09 24 43.34 +36 54 23.6 c A24
2007-03-13 23:46:47 C 09 24 43.31 +36 54 23.9 c A24
2007-03-13 23:59:12 C 09 24 43.00 +36 54 26.7 c A24
2007-03-14 00:10:56 C 09 24 42.72 +36 54 29.1 c A24
2007-03-14 00:22:18 C 09 24 42.45 +36 54 31.3 c A24
2007-03-14 00:23:43 C 09 24 42.42 +36 54 31.7 c A24
2007-03-14 00:33:02 C 09 24 42.19 +36 54 33.7 c A24
2007-03-14 00:50:41 C 09 24 41.75 +36 54 37.7 c A24
2007-03-14 01:07:56 C 09 24 41.33 +36 54 41.6 c A24
2007-03-14 01:45:31 C 09 24 40.42 +36 54 50.0 c A24
2007-03-14 20:04:42 C 09 24 18.68 +36 58 48.3 r 113
2007-03-14 21:41:03 C 09 24 16.51 +36 59 10.3 c A24
2007-03-14 21:57:18 C 09 24 16.24 +36 59 11.5 o A32
2007-03-14 21:58:45 C 09 24 16.13 +36 59 13.6 c A24
2007-03-14 22:11:53 C 09 24 15.90 +36 59 14.0 o A32
2007-03-14 22:15:42 C 09 24 15.77 +36 59 16.7 c A24
2007-03-14 22:21:03 C 09 24 15.66 +36 59 16.3 r 113
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)