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
2024-06-04 09:33:42 C 17 35 24.778 +09 45 27.11 V G96
2024-06-04 09:39:52 C 17 35 24.032 +09 45 27.04 V G96
2024-06-04 09:46:02 C 17 35 23.284 +09 45 27.14 V G96
2024-06-04 09:52:11 C 17 35 22.510 +09 45 26.68 V G96
2024-06-05 12:36:50 C 17 32 12.429 +09 44 31.09 X F51
2024-06-05 13:00:57 C 17 32 09.468 +09 44 29.56 X F51
2024-06-05 13:18:35 C 17 32 07.304 +09 44 28.48 X F51
2024-06-05 13:36:17 C 17 32 05.149 +09 44 27.41 X F51
2024-06-07 11:09:56 C 17 26 42.062 +09 40 30.22 V T05
2024-06-07 11:15:24 C 17 26 41.402 +09 40 30.76 V T05
2024-06-07 11:55:20 C 17 26 36.511 +09 40 25.79 V T05
2024-06-07 12:04:27 C 17 26 35.405 +09 40 24.20 V T05
2024-06-07 18:16:16 C 17 25 51.37 +09 39 35.5 V D29
2024-06-07 18:17:33 C 17 25 51.24 +09 39 35.3 V D29
2024-06-07 18:36:38 C 17 25 48.90 +09 39 32.7 V D29
2024-06-07 18:37:54 C 17 25 48.75 +09 39 32.5 V D29
2024-06-07 18:56:59 C 17 25 46.42 +09 39 30.2 V D29
2024-06-07 18:58:16 C 17 25 46.29 +09 39 29.9 V D29
2024-06-11 11:16:08 C 17 15 28.133 +09 23 13.60 V T05
2024-06-11 11:21:20 C 17 15 27.487 +09 23 11.83 V T05
2024-06-11 11:25:29 C 17 15 27.034 +09 23 11.22 V T05
2024-06-11 11:29:01 C 17 15 26.614 +09 23 10.93 V T05
2024-06-11 11:44:20 C 17 15 24.742 +09 23 06.76 V T08
2024-06-11 11:45:11 C 17 15 24.648 +09 23 06.54 V T08
2024-06-11 11:55:34 C 17 15 23.412 +09 23 04.16 V T05
2024-06-11 11:56:52 C 17 15 23.232 +09 23 03.52 V T05
2024-06-11 12:37:57 C 17 15 18.391 +09 22 53.44 V T08
2024-06-11 12:38:37 C 17 15 18.288 +09 22 53.44 V T08
2024-06-11 13:29:26 C 17 15 12.269 +09 22 40.98 V T08
2024-06-11 13:30:06 C 17 15 12.161 +09 22 41.16 V T08
2024-06-13 10:22:40 C 17 10 06.655 +09 10 29.60 V T08
2024-06-13 10:24:17 C 17 10 06.451 +09 10 29.39 V T05
2024-06-13 10:27:36 C 17 10 06.062 +09 10 28.31 V T08
2024-06-13 10:35:26 C 17 10 05.126 +09 10 26.04 V T08
2024-06-13 11:06:55 C 17 10 01.462 +09 10 16.14 V T05
2024-06-13 11:12:51 C 17 10 00.797 +09 10 14.38 V T05
2024-06-13 11:22:08 C 17 09 59.664 +09 10 12.04 V T08
2024-06-13 11:53:16 C 17 09 56.074 +09 10 02.24 V T05
2024-06-14 11:38:31 C 17 07 17.053 +09 02 34.06 X F51
2024-06-14 11:55:56 C 17 07 15.056 +09 02 28.28 X F51
2024-06-14 12:13:30 C 17 07 13.041 +09 02 22.44 X F51
2024-06-14 22:46:50 C 17 06 03.75 +08 58 45.5 X K83
2024-06-14 22:52:52 C 17 06 03.02 +08 58 43.0 X K83
2024-06-14 22:59:08 C 17 06 02.30 +08 58 40.4 X K83
2024-06-15 10:47:17 C 17 04 44.508 +08 54 40.10 V T05
2024-06-15 10:51:22 C 17 04 44.035 +08 54 38.92 V T05
2024-06-15 10:58:48 C 17 04 43.207 +08 54 36.47 V T05
2024-06-15 11:14:10 C 17 04 41.453 +08 54 30.53 V T05
2024-06-15 13:20:51 C 17 04 28.48 +08 53 41.5 V D29
2024-06-15 13:41:13 C 17 04 26.22 +08 53 34.7 V D29
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)