4034 Vishnu (1986 PA)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4440123499 ± 1.15e-02
Semi-major axis (a)1.0593661162 AU ± 1.24e-02
Inclination (i)11.16925766° ± 6.63e-01
Long. of Asc. Node (Ω)157.86471855° ± 1.66e+00
Arg. of Perihelion (ω)296.70262904° ± 3.25e+00
Mean Anomaly (M)261.95042071° ± 1.98e+00
Mean Motion (n)0.9039473986°/day ± 1.59e-02
Perihelion dist (q)0.58899448 AU ± 1.40e-02
Aphelion dist (Q)1.52973775 AU ± 2.17e-02
Orbital Period1.09035801 yr ± 1.92e-02
NGA Modelr2
A2-3.37481791e-06 AU/d²
Physical Parameters
H (abs. magnitude)18.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.333″
Uncertainty0
Orbit TypeApollo
MOID0.018713 AU
Observations Used1245
Radar Obs Used1
Oppositions1
Arc Total1986-2025
First Observation Used1986-08-02
Last Observation Used2025-06-24
Observations (1315)
Date Type RA Dec Mag Band Observatory
2013-04-25 23:15:54 C 16 27 56.90 +40 06 25.2 u K38
2013-04-25 23:37:41 C 16 27 50.22 +40 06 05.9 u K38
2013-04-25 23:59:06 C 16 27 43.62 +40 05 46.6 u K38
2013-04-26 21:51:29 C 16 21 20.54 +39 44 13.7 q J84
2013-04-26 22:02:02 C 16 21 17.47 +39 44 03.8 q J84
2013-04-26 22:12:34 C 16 21 14.41 +39 43 54.0 q J84
2013-04-29 21:04:16 C 16 02 17.11 +38 27 06.9 u C39
2013-04-29 21:32:55 C 16 02 09.82 +38 26 35.3 u C39
2013-04-29 22:05:12 C 16 02 01.58 +38 26 00.0 u C39
2013-05-02 00:31:19 C 15 50 04.98 +37 25 59.6 q C95
2013-05-02 00:32:49 C 15 50 04.64 +37 25 57.8 q C95
2013-05-02 00:34:20 C 15 50 04.27 +37 25 55.9 q C95
2013-05-02 00:35:52 C 15 50 03.92 +37 25 54.0 q C95
2013-05-02 00:37:22 C 15 50 03.54 +37 25 52.1 q C95
2013-05-02 00:38:55 C 15 50 03.22 +37 25 50.3 q C95
2013-05-02 00:40:26 C 15 50 02.85 +37 25 48.4 q C95
2013-05-02 00:41:56 C 15 50 02.50 +37 25 46.6 q C95
2013-05-02 00:43:28 C 15 50 02.14 +37 25 44.8 q C95
2013-05-02 00:44:59 C 15 50 01.79 +37 25 42.8 q C95
2013-05-02 00:46:30 C 15 50 01.41 +37 25 40.9 q C95
2013-05-02 00:48:02 C 15 50 01.08 +37 25 39.2 q C95
2013-05-02 00:49:33 C 15 50 00.70 +37 25 37.2 q C95
2013-05-02 00:51:03 C 15 50 00.40 +37 25 34.8 q C95
2013-05-02 00:52:35 C 15 50 00.01 +37 25 33.6 q C95
2013-05-02 00:54:06 C 15 49 59.68 +37 25 31.0 q C95
2013-05-02 00:55:37 C 15 49 59.30 +37 25 29.7 q C95
2013-05-02 00:57:09 C 15 49 58.99 +37 25 27.8 q C95
2013-05-02 00:58:39 C 15 49 58.60 +37 25 26.0 q C95
2013-05-02 01:00:10 C 15 49 58.19 +37 25 23.8 q C95
2013-05-02 01:01:42 C 15 49 57.89 +37 25 22.2 q C95
2013-05-02 01:03:12 C 15 49 57.52 +37 25 20.5 q C95
2013-05-02 01:04:43 C 15 49 57.18 +37 25 18.6 q C95
2013-05-02 01:06:16 C 15 49 56.82 +37 25 16.7 q C95
2013-05-02 01:07:46 C 15 49 56.46 +37 25 14.8 q C95
2013-05-02 01:09:18 C 15 49 56.10 +37 25 12.5 q C95
2013-05-02 01:12:19 C 15 49 55.38 +37 25 09.1 q C95
2013-05-03 22:05:09 C 15 40 19.11 +36 28 50.1 o C41
2013-05-03 22:08:49 C 15 40 18.22 +36 28 45.1 o C41
2013-05-03 22:50:30 C 15 40 09.37 +36 27 51.8 o C41
2013-05-03 22:53:53 C 15 40 08.65 +36 27 47.4 o C41
2013-05-04 00:52:57 C 15 39 44.02 +36 25 11.3 16.8 u 089
2013-05-04 00:55:06 C 15 39 43.55 +36 25 08.6 16.8 u 089
2013-05-04 00:57:15 C 15 39 43.13 +36 25 06.0 16.7 u 089
2013-05-04 00:59:24 C 15 39 42.63 +36 25 03.0 17.2 u 089
2013-05-04 01:01:33 C 15 39 42.20 +36 25 00.2 16.2 u 089
2013-05-04 01:03:42 C 15 39 41.76 +36 24 57.3 16.7 u 089
2013-05-04 01:05:51 C 15 39 41.30 +36 24 54.6 17.6 u 089
2013-05-04 01:08:00 C 15 39 40.85 +36 24 51.7 17.2 u 089
2013-05-04 01:10:09 C 15 39 40.37 +36 24 48.7 16.9 u 089
2013-05-04 07:14:38 C 15 38 28.48 +36 17 11.1 17.7 c 704
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1989-03-26 14:00:00 56566 2 Hz 2380 -1 -1
1989-03-26.583333 5656600 200 Hz 2380 251 251
Station codes
-1 Arecibo (305-m, 1963–2020)