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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07997034975935206 6.1581e-08  
a 2.720371892397642 1.6151e-08 au
q 2.502822800687092 1.6524e-07 au
i 2.730422404252907 5.6123e-06 deg
node 159.5975579182114 0.00010539 deg
peri 224.4181064344837 0.00010924 deg
M 148.0517837106995 2.8869e-05 deg
tp 2458326.512272522189
(2018-Jul-27.01227252)
0.00013056 TDB
period 1638.856188089796
4.49
1.4595e-05
3.996e-08
d
yr
n .2196653999394576 1.9563e-09 deg/d
Q 2.937920984108192 1.7443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      10316 days (28.24 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:19:35  

Additional Information
 Earth MOID = 1.50686 au 
 Jupiter MOID = 2.43456 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 16.2   n/a MPO412813  

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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