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58400 (1995 VR12)
Classification: Main-belt Asteroid          SPK-ID: 2058400
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09056397833581324 3.103e-08  
a 2.90091157273303 1.5384e-08 au
q 2.638193479905926 9.0938e-08 au
i 3.005896582335639 3.9707e-06 deg
node 136.9413450763008 7.1279e-05 deg
peri 250.0549981147184 7.6343e-05 deg
M 38.06043468832715 2.5216e-05 deg
tp 2459009.703059634904
(2020-Jun-09.20305964)		 0.00012671 TDB
period 1804.679822863407
4.94		 1.4356e-05
3.93e-08		 d
yr
n .1994813680738136 1.5869e-09 deg/d
Q 3.163629665560133 1.6778e-08 au
   Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      9194 days (25.17 yr)  
   first obs. used      1995-11-15  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52312  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:43:16  

Additional Information
 Earth MOID = 1.643 au 
 Jupiter MOID = 2.25238 au 
 T_jup = 3.279 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO449376  

58400 (1995 VR12)          Discovered 1995-Nov-15 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2013-Dec-23 13:13 00:03 Psych 0.048775631528573 0.0487727618580147 0.0487785012281432 1.07152069544745 1.07152046394812 2456650.050427969 2.6081379042764 158.814950082477 76.8560580046843 30.7273465161824 61788.2873864851 T 33 CATAB v2.0f-lin.ifort 2021-Feb-24 05:43:18 2021-Feb-24 05:43
2166-Aug-10 06:27 01:00 Cybel 0.0383162283675172 0.0383130692387803 0.0383193936475496 1.5046325510008 1.50463244548857 2512396.768761262 60.2130730000378 872.97113318334 72.3052085898089 -80.8294189910823 78003.5784562744 T 33 CATAB v2.0f-lin.ifort 2021-Feb-24 05:43:18 2021-Feb-24 05:43

Alternate Designations
 1995 VR12 = 1997 AO9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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