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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09035909590536391 3.3137e-08  
a 2.90018571814936 1.708e-08 au
q 2.638127558699735 9.951e-08 au
i 3.005908745729455 4.561e-06 deg
node 136.943764516669 7.2653e-05 deg
peri 249.9871260261776 7.7842e-05 deg
M 358.2191623962009 2.6497e-05 deg
tp 2459009.423987596544
(2020-Jun-08.92398760)
0.00013278 TDB
period 1804.002525498322
4.94
1.5936e-05
4.363e-08
d
yr
n .1995562616524369 1.7628e-09 deg/d
Q 3.162243877598985 1.8623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      9128 days (24.99 yr)  
   first obs. used      1995-11-15  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:57:05  

Additional Information
 Earth MOID = 1.64418 au 
 Jupiter MOID = 2.25319 au 
 T_jup = 3.279 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457049.5 (2015-Jan-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09217025688812519 3.3444e-08  
q 2.633590655154826 1.0043e-07 au
tp 2457191.909394668237
(2015-Jun-18.40939467)
0.00012983 TDB
node 137.1380632218226 7.2637e-05 deg
peri 247.5056409813099 7.7531e-05 deg
i 3.005657531285585 4.562e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      9128 days (24.99 yr)  
   first obs. used      1995-11-15  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:57:05  

Additional Information
 Jupiter MOID = 2.25319 au 
 T_jup = 3.279 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.11852244527357E-15 -3.319464306613755E-15 -2.262828768649218E-13 -3.94538989311553E-15 -3.902152104167498E-14 -6.818548655230204E-16
q -3.319464306613755E-15 1.008564030123397E-14 4.076491602400913E-13 1.082199629525737E-14 5.799938902889218E-14 2.224859082535945E-15
tp -2.262828768649218E-13 4.076491602400913E-13 1.685612430999582E-8 -3.215522005535072E-12 3.534393470269405E-9 -3.222999027679479E-12
node -3.94538989311553E-15 1.082199629525737E-14 -3.215522005535072E-12 5.276142238387648E-9 -5.269294829029213E-9 -7.397938790613637E-12
peri -3.902152104167498E-14 5.799938902889218E-14 3.534393470269405E-9 -5.269294829029213E-9 6.011093681641994E-9 6.70882705833441E-12
i -6.818548655230204E-16 2.224859082535945E-15 -3.222999027679479E-12 -7.397938790613637E-12 6.70882705833441E-12 2.08120303976275E-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

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