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JPL Small-Body Database Browser
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20022 (1991 VO7)
Classification: Main-belt Asteroid          SPK-ID: 2020022
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .104380294579812 4.2057e-08  
a 2.63419436907086 1.4145e-08 au
q 2.359236384846761 1.0718e-07 au
i 2.06600641102187 4.4705e-06 deg
node 131.4120580908785 0.00016124 deg
peri 351.3327881293513 0.00016381 deg
M 84.19596786868644 3.0424e-05 deg
tp 2458235.276305471411
(2018-Apr-26.77630547)
0.00013077 TDB
period 1561.601266171693
4.28
1.2579e-05
3.444e-08
d
yr
n .2305325999655146 1.8569e-09 deg/d
Q 2.909152353294958 1.5622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      10050 days (27.52 yr)  
   first obs. used      1991-11-03  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6085  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:48:21  

Additional Information
 Earth MOID = 1.37529 au 
 Jupiter MOID = 2.14463 au 
 T_jup = 3.390 
[ 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 15.7   n/a MPO344461  
diameter diameter 2.266 km 0.499 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.137   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20022 (1991 VO7)          Discovered 1991-Nov-03 by Spacewatch at Kitt Peak
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 VO7 = 1995 UH25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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