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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .065079869598516 5.3062e-08  
a 2.591342787648269 1.7437e-08 au
q 2.422698536943065 1.3021e-07 au
i 3.448162605708295 7.847e-06 deg
node 30.19876552018972 8.2922e-05 deg
peri 264.6194662135575 0.00010867 deg
M 53.91559625377057 7.4084e-05 deg
tp 2458772.309459180623
(2019-Oct-15.80945918)
0.0003126 TDB
period 1523.651789146834
4.17
1.5379e-05
4.211e-08
d
yr
n .2362744575659124 2.3848e-09 deg/d
Q 2.759987038353473 1.8572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      8665 days (23.72 yr)  
   first obs. used      1997-02-02  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5165  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:58:51  

Additional Information
 Earth MOID = 1.40977 au 
 Jupiter MOID = 2.35015 au 
 T_jup = 3.414 
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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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2200-Jan-12 23:02 00:15 Psych 0.0294579579045755 0.0294345234836226 0.029481614599828 2.72457712186069 2.72457697111274 2524605.459481025 15.0363245187997 4198.44026304918 57.3477238492551 73.8224503453222 73658.1712417861 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 21:58:53 2020-Nov-12 21:58

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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