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442735 (2012 VC99)
Classification: Main-belt Asteroid          SPK-ID: 2442735
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175198470782305 4.7922e-08  
a 2.379204924428399 2.0911e-08 au
q 2.0996011255418 1.2101e-07 au
i 5.887550396926866 5.5077e-06 deg
node 223.5175178603184 5.1078e-05 deg
peri 193.0227098390413 5.8242e-05 deg
M 27.62500853435431 2.6303e-05 deg
tp 2458897.640094242879
(2020-Feb-18.14009424)
9.7884e-05 TDB
period 1340.436366798364
3.67
1.7672e-05
4.838e-08
d
yr
n .2685692576812587 3.5407e-09 deg/d
Q 2.658808723314997 2.3369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      4572 days (12.52 yr)  
   first obs. used      2007-05-25  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55076  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:42:57  

Additional Information
 Earth MOID = 1.11166 au 
 Jupiter MOID = 2.65673 au 
 T_jup = 3.523 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457805.5 (2017-Feb-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168339788077839 4.7865e-08  
q 2.101093230166581 1.2069e-07 au
tp 2457554.244613544133
(2016-Jun-14.74461354)
9.9764e-05 TDB
node 223.5351583919521 5.1088e-05 deg
peri 192.3148128444481 5.8363e-05 deg
i 5.885690604776981 5.51e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      4572 days (12.52 yr)  
   first obs. used      2007-05-25  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55076  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:42:57  

Additional Information
 Jupiter MOID = 2.65673 au 
 T_jup = 3.523 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.291021746021643E-15 -5.715322230856759E-15 -4.317780950423639E-13 -1.207855313811149E-14 -6.85957236962065E-14 -2.448113407097413E-15
q -5.715322230856759E-15 1.456604995003113E-14 7.710402347154314E-13 3.084713714665979E-14 1.019967935204452E-13 6.577509735832953E-15
tp -4.317780950423639E-13 7.710402347154314E-13 9.952857334385583E-9 6.390476733184565E-11 2.834950593447383E-9 -8.355035340294281E-13
node -1.207855313811149E-14 3.084713714665979E-14 6.390476733184565E-11 2.609939006635362E-9 -2.577463824009656E-9 -5.627727426811306E-11
peri -6.85957236962065E-14 1.019967935204452E-13 2.834950593447383E-9 -2.577463824009656E-9 3.406267349736226E-9 5.576233030952215E-11
i -2.448113407097413E-15 6.577509735832953E-15 -8.355035340294281E-13 -5.627727426811306E-11 5.576233030952215E-11 3.035968539294206E-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 17.4   n/a MPO456096  

442735 (2012 VC99)          Discovered 2008-Sep-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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