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70855 (1999 VS117)
Classification: Main-belt Asteroid          SPK-ID: 2070855
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06497145484583061 5.2684e-08  
a 2.591458027761851 1.7076e-08 au
q 2.423087229526256 1.2878e-07 au
i 3.448070381417692 7.7617e-06 deg
node 30.19870882432805 7.8259e-05 deg
peri 264.6824104805859 0.00010503 deg
M 101.1195139007588 7.409e-05 deg
tp 2458772.496650098509
(2019-Oct-15.99665010)
0.00031189 TDB
period 1523.753428203343
4.17
1.5061e-05
4.123e-08
d
yr
n .2362586973303651 2.3352e-09 deg/d
Q 2.759828825997445 1.8185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      8743 days (23.94 yr)  
   first obs. used      1997-02-02  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5181  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:26:16  

Additional Information
 Earth MOID = 1.4082 au 
 Jupiter MOID = 2.34921 au 
 T_jup = 3.414 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457325.5 (2015-Oct-30.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06541976769226061 5.2992e-08  
q 2.422574861657703 1.2975e-07 au
tp 2457253.454636940369
(2015-Aug-18.95463694)
0.00030425 TDB
node 30.25925933871681 7.8145e-05 deg
peri 265.9092229390903 0.00010458 deg
i 3.451031468841677 7.7659e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      8743 days (23.94 yr)  
   first obs. used      1997-02-02  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5181  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:26:16  

Additional Information
 Jupiter MOID = 2.34921 au 
 T_jup = 3.414 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.808143240906855E-15 -6.838565217327393E-15 5.981704197192307E-12 6.819718249205287E-15 1.282476874683694E-12 1.261429244512007E-15
q -6.838565217327393E-15 1.683576531843305E-14 -1.392650084970434E-11 -1.880520860121286E-14 -2.973060099980828E-12 -2.47373071237175E-15
tp 5.981704197192307E-12 -1.392650084970434E-11 9.256848357859584E-8 7.048064133945993E-12 2.115414309021647E-8 7.460784708387736E-12
node 6.819718249205287E-15 -1.880520860121286E-14 7.048064133945993E-12 6.106572179834072E-9 -6.093529632890028E-9 -1.086146295293151E-10
peri 1.282476874683694E-12 -2.973060099980828E-12 2.115414309021647E-8 -6.093529632890028E-9 1.093685372005952E-8 1.101679316062395E-10
i 1.261429244512007E-15 -2.47373071237175E-15 7.460784708387736E-12 -1.086146295293151E-10 1.101679316062395E-10 6.030941667419636E-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 16.3   n/a MPO439541  

70855 (1999 VS117)          Discovered 1999-Nov-09 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VS117 = 1999 VO218 = 1999 VP228 = 2002 JH18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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