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
2014-04-17 07:26:51 C 14 58 48.58 +26 00 12.3 u H21
2014-04-22 23:37:25 C 14 50 07.58 +27 11 37.6 c A24
2014-04-22 23:38:30 C 14 50 07.52 +27 11 38.0 c A24
2014-04-23 00:38:50 C 14 50 03.31 +27 12 05.8 c A24
2014-04-23 00:39:55 C 14 50 03.23 +27 12 06.2 c A24
2014-04-23 08:11:40 C 14 49 33.19 +27 15 33.3 q 703
2014-04-23 08:18:58 C 14 49 32.67 +27 15 36.7 q 703
2014-04-23 08:26:14 C 14 49 32.17 +27 15 39.8 q 703
2014-04-23 08:33:30 C 14 49 31.68 +27 15 43.1 q 703
2014-04-23 23:28:16 C 14 48 31.77 +27 22 15.6 c A24
2014-04-23 23:29:20 C 14 48 31.69 +27 22 16.6 c A24
2014-04-24 00:32:01 C 14 48 27.35 +27 22 44.3 c A24
2014-04-24 00:33:06 C 14 48 27.28 +27 22 44.5 c A24
2014-04-25 09:05:41 C 14 46 14.68 +27 36 16.8 q H45
2014-04-25 09:07:06 C 14 46 14.56 +27 36 17.5 q H45
2014-04-25 09:08:21 C 14 46 14.47 +27 36 18.0 q H45
2014-04-25 09:09:44 C 14 46 14.38 +27 36 18.4 q H45
2014-04-25 09:10:59 C 14 46 14.30 +27 36 18.9 q H45
2014-04-25 09:12:24 C 14 46 14.18 +27 36 19.4 q H45
2014-04-28 10:26:14 C 14 41 11.13 +28 02 31.0 N I41
2014-04-28 11:16:12 C 14 41 07.57 +28 02 47.7 N I41
2014-04-29 09:21:04 C 14 39 35.47 +28 09 31.1 N I41
2014-04-29 10:08:08 C 14 39 32.09 +28 09 44.5 N I41
2014-04-30 08:08:00 C 14 38 00.11 +28 15 51.3 q 703
2014-04-30 08:18:10 C 14 37 59.38 +28 15 54.0 q 703
2014-04-30 08:34:28 C 14 37 58.21 +28 15 59.1 q 703
2014-04-30 08:44:36 C 14 37 57.49 +28 16 01.1 q 703
2014-05-02 08:20:44 C 14 34 37.84 +28 27 17.6 R G45
2014-05-02 08:38:36 C 14 34 36.53 +28 27 20.7 R G45
2014-05-02 08:38:42 C 14 34 36.53 +28 27 20.9 R G45
2014-05-02 08:56:04 C 14 34 35.26 +28 27 24.2 R G45
2014-05-02 08:56:10 C 14 34 35.27 +28 27 24.5 R G45
2014-05-02 09:38:42 C 14 34 32.26 +28 27 32.7 R G45
2014-05-02 09:38:47 C 14 34 32.22 +28 27 33.4 R G45
2014-05-02 10:20:41 C 14 34 29.21 +28 27 41.3 R G45
2014-05-02 10:20:47 C 14 34 29.22 +28 27 41.4 R G45
2014-05-02 10:38:21 C 14 34 27.97 +28 27 44.8 R G45
2014-05-02 10:38:27 C 14 34 27.96 +28 27 44.7 R G45
2014-05-02 10:54:42 C 14 34 26.80 +28 27 48.1 R G45
2014-05-03 08:26:03 C 14 32 56.98 +28 31 59.7 R G45
2014-05-03 08:26:09 C 14 32 56.95 +28 31 59.4 R G45
2014-05-03 08:55:45 C 14 32 54.91 +28 32 04.9 N I41
2014-05-03 09:01:10 C 14 32 54.45 +28 32 05.7 R G45
2014-05-03 09:01:16 C 14 32 54.44 +28 32 05.3 R G45
2014-05-03 09:18:12 C 14 32 53.22 +28 32 08.6 R G45
2014-05-03 09:18:19 C 14 32 53.21 +28 32 08.4 R G45
2014-05-03 09:35:06 C 14 32 52.00 +28 32 11.0 R G45
2014-05-03 09:50:58 C 14 32 50.95 +28 32 14.4 N I41
2014-05-03 09:51:39 C 14 32 50.82 +28 32 14.0 R G45
2014-05-03 09:51:45 C 14 32 50.83 +28 32 14.1 R G45
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)