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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06507987024845306 5.2757e-08  
a 2.591342787290319 1.7216e-08 au
q 2.422698534924201 1.2905e-07 au
i 3.448162061054907 7.8076e-06 deg
node 30.19878281365305 7.9354e-05 deg
peri 264.6194483082641 0.00010583 deg
M 53.91559709772304 7.3838e-05 deg
tp 2458772.309455655988
(2019-Oct-15.80945566)		 0.00031159 TDB
period 1523.651788831134
4.17		 1.5184e-05
4.157e-08		 d
yr
n .2362744576148683 2.3546e-09 deg/d
Q 2.759987039656437 1.8337e-08 au
   Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      8687 days (23.78 yr)  
   first obs. used      1997-02-02  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51243  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:55:16  

Additional Information
 Earth MOID = 1.40977 au 
 Jupiter MOID = 2.35015 au 
 T_jup = 3.414 
[ show covariance matrix ]

[ 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

[ hide close-approach data ]
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 13 CATAB v2.0f-lin.ifort 2020-Dec-17 21:55:17 2020-Dec-17 21:55

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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