612094 (1999 NW2)

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1086107000 ± 2.00e+00
Semi-major axis (a)1.1159957583 AU ± 3.00e+00
Inclination (i)8.68023230° ± 4.00e+00
Long. of Asc. Node (Ω)289.49721043° ± 5.00e+00
Arg. of Perihelion (ω)53.02540929° ± 6.00e+00
Mean Anomaly (M)80.03367950° ± 1.26e-04
Mean Motion (n)0.8360234518°/day ± 3.37e+00
Perihelion dist (q)0.99478668 AU ± 3.48e+00
Aphelion dist (Q)1.23720484 AU ± 4.01e+00
Orbital Period1.17894574 yr ± 4.75e+00
NGA Modelr2
A2-1.15517523e-05 AU/d²
Physical Parameters
H (abs. magnitude)23.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.781″
Uncertainty0
Orbit TypeApollo
MOID0.015137 AU
Observations Used181
Oppositions4
Arc Total1999-2026
First Observation Used1999-07-13
Last Observation Used2026-01-11
Observations (185)
Date Type RA Dec Mag Band Observatory
1999-08-02 08:18:19 C 19 29 49.13 +78 10 05.5 658
1999-08-02 08:23:20 C 19 29 48.47 +78 10 16.4 658
1999-08-10 07:05:11 C 19 19 47.24 +83 30 22.2 658
1999-08-10 07:08:51 C 19 19 45.52 +83 30 28.9 658
1999-08-10 07:12:58 C 19 19 44.80 +83 30 29.1 658
2006-12-25 05:50:59 C 23 38 22.935 +11 34 03.55 o 568
2006-12-25 06:01:31 C 23 38 24.816 +11 34 09.09 o 568
2006-12-25 06:12:15 C 23 38 26.736 +11 34 14.39 o 568
2006-12-25 06:22:55 C 23 38 28.652 +11 34 19.88 o 568
2006-12-26 05:28:35 C 23 42 42.399 +11 46 18.33 o 568
2006-12-26 05:39:11 C 23 42 44.293 +11 46 23.69 o 568
2012-12-12 06:25:38 C 07 39 14.24 +47 09 57.1 o H01
2012-12-12 06:39:23 C 07 39 11.69 +47 09 40.6 o H01
2012-12-12 06:54:50 C 07 39 08.82 +47 09 21.8 o H01
2012-12-12 07:02:59 C 07 39 07.30 +47 09 11.8 o H01
2012-12-12 11:22:25 C 07 38 18.45 +47 03 36.0 r G96
2012-12-12 11:23:26 C 07 38 18.24 +47 03 34.8 r G96
2012-12-12 11:24:25 C 07 38 18.02 +47 03 33.5 r G96
2012-12-12 11:25:23 C 07 38 17.84 +47 03 31.7 r G96
2012-12-12 11:26:21 C 07 38 17.62 +47 03 30.5 r G96
2012-12-13 11:04:21 C 07 34 11.79 +46 31 45.5 o H01
2012-12-13 11:15:27 C 07 34 09.68 +46 31 29.6 o H01
2012-12-13 11:31:39 C 07 34 06.61 +46 31 06.3 o H01
2012-12-13 11:36:40 C 07 34 05.66 +46 30 59.0 o H01
2012-12-13 12:38:24 C 07 33 57.040 +46 29 51.66 t 568
2012-12-13 12:39:47 C 07 33 56.771 +46 29 49.78 t 568
2012-12-13 12:41:09 C 07 33 56.509 +46 29 47.94 t 568
2019-01-11 15:17:20 C 12 07 08.035 -10 22 54.03 V T12
2019-01-11 15:34:12 C 12 07 08.804 -10 23 14.06 V T12
2019-04-05 08:10:38 C 10 34 46.008 -35 31 31.68 V T12
2025-12-27 18:40:49 C 09 37 39.841 +18 05 47.77 W O18
2025-12-27 19:53:21 C 09 37 34.226 +18 04 36.83 W O18
2026-01-11 10:08:44 C 09 02 52.114 +12 03 10.22 X F52
2026-01-11 10:26:24 C 09 02 49.743 +12 02 52.41 X F52
2026-01-11 11:01:41 C 09 02 44.994 +12 02 16.11 X F52
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1999-07-19 03:10:00 -155345 5 Hz 8560 -14 -14
1999-07-19 04:50:00 -161670.5 0.4 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)