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437182 (2012 VO81)
Classification: Main-belt Asteroid          SPK-ID: 2437182
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2010610141846193 4.9341e-08  
a 2.634009913181645 1.9925e-08 au
q 2.104413208665002 1.3192e-07 au
i 11.75887544378968 5.7656e-06 deg
node 215.0205831432676 2.7164e-05 deg
peri 86.71376536091326 3.8288e-05 deg
M 2.573087057559119 2.0567e-05 deg
tp 2458989.339683423184
(2020-May-19.83968342)
8.9278e-05 TDB
period 1561.437245525975
4.27
1.7717e-05
4.851e-08
d
yr
n .2305568161842667 2.616e-09 deg/d
Q 3.163606617698288 2.3931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      7660 days (20.97 yr)  
   first obs. used      1999-10-31  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49557  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:41:05  

Additional Information
 Earth MOID = 1.1291 au 
 Jupiter MOID = 2.18109 au 
 T_jup = 3.340 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458203.5 (2018-Mar-26.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2006768768147663 4.9303e-08  
q 2.104694693465544 1.3184e-07 au
tp 2457429.525424932949
(2016-Feb-11.02542493)
0.00010099 TDB
node 215.0462011278135 2.7148e-05 deg
peri 86.88544352166859 3.8331e-05 deg
i 11.76328260536187 5.7668e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      7660 days (20.97 yr)  
   first obs. used      1999-10-31  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49557  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:41:05  

Additional Information
 Jupiter MOID = 2.18109 au 
 T_jup = 3.340 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.43078430181008E-15 -6.451556961558179E-15 1.348665176946722E-12 2.199729547742264E-15 2.554985594411916E-13 -2.685574922199914E-14
q -6.451556961558179E-15 1.738200657571027E-14 -4.680139461250762E-12 -6.308393254827579E-15 -9.543753381321426E-13 7.655229731122469E-14
tp 1.348665176946722E-12 -4.680139461250762E-12 1.019851245014856E-8 -4.386870529295283E-13 2.747297413978578E-9 -5.866470896978399E-11
node 2.199729547742264E-15 -6.308393254827579E-15 -4.386870529295283E-13 7.36991649266961E-10 -7.222106053262888E-10 -8.623581403951888E-11
peri 2.554985594411916E-13 -9.543753381321426E-13 2.747297413978578E-9 -7.222106053262888E-10 1.469232299893781E-9 6.975537406261321E-11
i -2.685574922199914E-14 7.655229731122469E-14 -5.866470896978399E-11 -8.623581403951888E-11 6.975537406261321E-11 3.325613766798403E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO472424  

437182 (2012 VO81)          Discovered 1999-Oct-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 VO81 = 1999 UG33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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