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120468 (1991 VO9)
Classification: Main-belt Asteroid          SPK-ID: 2120468
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08016451300394976 6.1154e-08  
a 2.719860911007487 1.588e-08 au
q 2.501824585638093 1.6372e-07 au
i 2.730628030904557 5.5995e-06 deg
node 159.5999294575808 0.00010058 deg
peri 224.3630351787017 0.00010447 deg
M 192.0485352210281 2.864e-05 deg
tp 2459964.863191796573
(2023-Jan-20.36319180)
0.00013188 TDB
period 1638.394457642258
4.49
1.4349e-05
3.929e-08
d
yr
n .2197273057906094 1.9243e-09 deg/d
Q 2.937897236376881 1.7153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      10366 days (28.38 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57172  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:56:59  

Additional Information
 Earth MOID = 1.50451 au 
 Jupiter MOID = 2.4349 au 
 T_jup = 3.353 
[ 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 16.29   n/a E2021B55  

120468 (1991 VO9)          Discovered 1991-Nov-04 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1991 VO9 = 1995 SH33 = 2004 RY44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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