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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06483811632908656 5.2745e-08  
a 2.591942678460761 1.7072e-08 au
q 2.423885997556398 1.2895e-07 au
i 3.447847633292147 7.7611e-06 deg
node 30.19603415729529 7.8263e-05 deg
peri 264.8117505926724 0.00010511 deg
M 147.2950730281397 7.4383e-05 deg
tp 2458772.876840347964
(2019-Oct-16.37684035)
0.00031242 TDB
period 1524.180903402268
4.17
1.5059e-05
4.123e-08
d
yr
n .2361924356855607 2.3336e-09 deg/d
Q 2.759999359365124 1.8179e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51812  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:52:30  

Additional Information
 Earth MOID = 1.41056 au 
 Jupiter MOID = 2.34799 au 
 T_jup = 3.414 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457325.5 (2015-Oct-30.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06541976779671931 5.2992e-08  
q 2.422574860778753 1.2975e-07 au
tp 2457253.454637253748
(2015-Aug-18.95463725)
0.00030425 TDB
node 30.25925922249175 7.8145e-05 deg
peri 265.9092230849338 0.00010458 deg
i 3.451031479453266 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51812  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:52:30  

Additional Information
 Jupiter MOID = 2.34799 au 
 T_jup = 3.414 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.808144512690669E-15 -6.838567883460098E-15 5.981709721041184E-12 6.819722886714226E-15 1.282478089662592E-12 1.261430229955207E-15
q -6.838567883460098E-15 1.683577030262242E-14 -1.392650888084696E-11 -1.880521837991007E-14 -2.973061927990186E-12 -2.473733972158186E-15
tp 5.981709721041184E-12 -1.392650888084696E-11 9.25684768022912E-8 7.048058496852933E-12 2.115414242909146E-8 7.460790390026034E-12
node 6.819722886714226E-15 -1.880521837991007E-14 7.048058496852933E-12 6.106572224718951E-9 -6.093529678522794E-9 -1.086146263922102E-10
peri 1.282478089662592E-12 -2.973061927990186E-12 2.115414242909146E-8 -6.093529678522794E-9 1.093685378144312E-8 1.101679296533733E-10
i 1.261430229955207E-15 -2.473733972158186E-15 7.460790390026034E-12 -1.086146263922102E-10 1.101679296533733E-10 6.030941599173199E-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 16.24   n/a MPCxxxxx  

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 15 CATAB v2.0f-lin.ifort 2021-Apr-13 12:52:32 2021-Apr-13 12:52

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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