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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457360.5 (2015-Dec-04.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09191388511272727 3.1222e-08  
q 2.633618061403095 9.1292e-08 au
tp 2457191.850066189801
(2015-Jun-18.35006619)
0.00012666 TDB
node 137.1389910200752 7.1264e-05 deg
peri 247.4906280834212 7.6105e-05 deg
i 3.005682434683318 3.9705e-06 deg
  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
 Jupiter MOID = 2.25238 au 
 T_jup = 3.279 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.748320045071465E-16 -2.817657204579621E-15 1.325494605517996E-13 -4.184113395411126E-15 2.364210924376593E-14 -7.848317581369532E-16
q -2.817657204579621E-15 8.334317420176389E-15 -8.430567710378228E-13 1.152358154340813E-14 -1.603395955008068E-13 2.542427085227664E-15
tp 1.325494605517996E-13 -8.430567710378228E-13 1.604308967706058E-8 -5.731285840483116E-12 3.399191315535474E-9 -3.660285746175682E-12
node -4.184113395411126E-15 1.152358154340813E-14 -5.731285840483116E-12 5.078509424007176E-9 -5.072483486033437E-9 -3.814287670511491E-11
peri 2.364210924376593E-14 -1.603395955008068E-13 3.399191315535474E-9 -5.072483486033437E-9 5.791965751300835E-9 3.731296846605066E-11
i -7.848317581369532E-16 2.542427085227664E-15 -3.660285746175682E-12 -3.814287670511491E-11 3.731296846605066E-11 1.576490472557144E-11

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

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