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
2024-05-03 11:21:55 C 14 46 45.266 +27 47 01.21 V T05
2024-05-03 11:26:14 C 14 46 44.952 +27 47 02.08 V T05
2024-05-03 12:06:56 C 14 46 41.995 +27 47 10.90 V T05
2024-05-04 10:36:48 C 14 45 07.222 +27 51 57.20 V T05
2024-05-04 10:40:53 C 14 45 06.922 +27 51 58.07 V T05
2024-05-04 10:48:42 C 14 45 06.346 +27 51 59.47 V T05
2024-05-04 11:39:18 C 14 45 02.652 +27 52 09.55 V T05
2024-05-06 08:43:16 C 14 41 52.674 +27 59 50.96 V 703
2024-05-06 08:46:43 C 14 41 52.436 +27 59 51.43 V 703
2024-05-06 08:50:12 C 14 41 52.170 +27 59 51.97 V 703
2024-05-06 08:53:38 C 14 41 51.925 +27 59 52.12 V 703
2024-05-07 10:40:22 C 14 40 03.907 +28 03 15.16 V T05
2024-05-07 10:45:06 C 14 40 03.586 +28 03 15.73 V T05
2024-05-07 10:52:54 C 14 40 03.002 +28 03 16.31 V T05
2024-05-07 11:32:44 C 14 40 00.134 +28 03 20.84 V T05
2024-05-08 09:56:41 C 14 38 26.887 +28 05 36.20 V T05
2024-05-08 10:01:29 C 14 38 26.525 +28 05 36.82 V T05
2024-05-08 10:10:35 C 14 38 25.872 +28 05 37.68 V T05
2024-05-08 10:56:34 C 14 38 22.567 +28 05 41.50 V T05
2024-05-09 23:50:26 C 14 35 49.702 +28 08 02.74 W M01
2024-05-09 23:57:06 C 14 35 49.189 +28 08 03.01 W M01
2024-05-11 09:00:46 C 14 33 34.225 +28 08 51.07 V 703
2024-05-11 09:05:16 C 14 33 33.908 +28 08 51.04 V 703
2024-05-11 09:08:33 C 14 33 33.656 +28 08 51.14 V 703
2024-05-11 09:11:52 C 14 33 33.419 +28 08 51.07 V 703
2024-05-11 21:21:23 B 14 32 44.752 +28 08 47.62 X B72
2024-05-11 21:25:28 B 14 32 44.474 +28 08 47.45 X B72
2024-05-11 21:27:18 C 14 32 44.36 +28 08 47.6 V D48
2024-05-11 21:29:34 B 14 32 44.190 +28 08 47.57 X B72
2024-05-11 21:44:53 C 14 32 43.13 +28 08 47.5 V D48
2024-05-11 22:02:29 C 14 32 41.92 +28 08 47.4 V D48
2024-05-14 07:30:14 C 14 28 53.515 +28 06 24.01 V G96
2024-05-14 07:37:39 C 14 28 53.015 +28 06 23.40 V G96
2024-05-14 07:45:05 C 14 28 52.514 +28 06 22.86 V G96
2024-05-14 07:52:32 C 14 28 52.014 +28 06 22.18 V G96
2024-05-17 09:02:12 C 14 24 13.678 +27 58 00.19 V T08
2024-05-17 09:06:18 C 14 24 13.421 +27 57 59.58 V T08
2024-05-17 09:32:10 C 14 24 11.736 +27 57 55.76 V T08
2024-05-17 09:41:53 C 14 24 11.119 +27 57 54.04 V T08
2024-05-22 09:04:37 C 14 17 12.365 +27 32 08.63 V T08
2024-05-22 09:12:44 C 14 17 11.887 +27 32 06.07 V T08
2024-05-22 09:18:03 C 14 17 11.599 +27 32 04.70 V T08
2024-05-22 09:32:49 C 14 17 10.786 +27 32 00.71 V T08
2024-05-23 09:26:43 C 14 15 53.045 +27 25 09.26 V T05
2024-05-23 09:31:17 C 14 15 52.718 +27 25 08.76 V T05
2024-05-23 09:41:26 C 14 15 52.186 +27 25 05.16 V T05
2024-05-23 09:56:00 C 14 15 51.398 +27 25 00.55 V T05
2024-05-25 09:07:30 C 14 13 24.682 +27 09 54.22 V T08
2024-05-25 09:12:09 C 14 13 24.173 +27 09 55.30 V T08
2024-05-25 09:26:37 C 14 13 23.429 +27 09 49.79 V T08
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)