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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06507989267225238 6.0909e-08  
a 2.591342797170945 2.2348e-08 au
q 2.422698486054046 1.5498e-07 au
i 3.448166462993939 9.084e-06 deg
node 30.19880837658431 0.00010923 deg
peri 264.6194310991694 0.00013293 deg
M 53.91558041264869 8.137e-05 deg
tp 2458772.309524968217
(2019-Oct-15.80952497)
0.00034315 TDB
period 1523.651797545516
4.17
1.971e-05
5.396e-08
d
yr
n .236274456263519 3.0565e-09 deg/d
Q 2.759987108287845 2.3802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      7693 days (21.06 yr)  
   first obs. used      1997-02-02  
   last obs. used      2018-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54452  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-05 21:59:16  

Additional Information
 Earth MOID = 1.40977 au 
 Jupiter MOID = 2.35015 au 
 T_jup = 3.414 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456095.5 (2012-Jun-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06345612076859561 6.0218e-08  
q 2.428423793197566 1.5255e-07 au
tp 2455723.928334657144
(2011-Jun-11.42833466)
0.00034156 TDB
node 30.39265865358584 0.00010874 deg
peri 264.7658976913381 0.00013414 deg
i 3.456517162088653 9.0989e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      7693 days (21.06 yr)  
   first obs. used      1997-02-02  
   last obs. used      2018-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54452  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-05 21:59:16  

Additional Information
 Jupiter MOID = 2.35015 au 
 T_jup = 3.414 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.626250026338029E-15 -9.103636680502661E-15 1.34780427864937E-12 6.504985174144731E-15 3.299660962490735E-13 2.761045575244544E-16
q -9.103636680502661E-15 2.327016087559114E-14 -1.352051497633193E-12 -1.15700186418493E-14 -3.47245808762547E-13 -3.028138216925739E-16
tp 1.34780427864937E-12 -1.352051497633193E-12 1.166656627905926E-7 1.68102929001957E-10 2.686107478168737E-8 1.260747353430127E-11
node 6.504985174144731E-15 -1.15700186418493E-14 1.68102929001957E-10 1.182519847889E-8 -1.176334492148464E-8 -7.117969682640421E-11
peri 3.299660962490735E-13 -3.47245808762547E-13 2.686107478168737E-8 -1.176334492148464E-8 1.799374512022395E-8 7.410255866067205E-11
i 2.761045575244544E-16 -3.028138216925739E-16 1.260747353430127E-11 -7.117969682640421E-11 7.410255866067205E-11 8.279077319988496E-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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