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91993 (1999 VP122)
Classification: Main-belt Asteroid          SPK-ID: 2091993
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0269587369663883 6.283e-08  
a 3.016400774293111 3.055e-08 au
q 2.935082419233733 1.9696e-07 au
i 9.589734264879784 9.8143e-06 deg
node 193.9140206232381 2.878e-05 deg
peri 316.7568219266503 0.00017114 deg
M 188.8949478781388 0.00017 deg
tp 2459909.978264538069
(2022-Nov-26.47826454)
0.00090338 TDB
period 1913.515534307668
5.24
2.907e-05
7.959e-08
d
yr
n .1881353945371821 2.8582e-09 deg/d
Q 3.09771912935249 3.1374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      9367 days (25.65 yr)  
   first obs. used      1994-10-09  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61522  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:42:47  

Additional Information
 Earth MOID = 1.94911 au 
 Jupiter MOID = 1.88129 au 
 T_jup = 3.226 
[ 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 15.4   n/a MPO432457  

91993 (1999 VP122)          Discovered 1999-Nov-05 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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