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22975 (1999 VR23)
Classification: Main-belt Asteroid          SPK-ID: 2022975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2056889278951514 3.999e-08  
a 2.446874991250623 9.0441e-09 au
q 1.943579897606825 9.7321e-08 au
i 6.694658982759726 3.0248e-06 deg
node 71.15919117050215 3.6964e-05 deg
peri 276.617766964932 3.7552e-05 deg
M 172.5639542921417 7.0041e-06 deg
tp 2458330.362866837991
(2018-Jul-30.86286684)
2.6571e-05 TDB
period 1398.028742027439
3.83
7.7511e-06
2.122e-08
d
yr
n .2575054354590189 1.4277e-09 deg/d
Q 2.950170084894421 1.0904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1607  
   data-arc span      25286 days (69.23 yr)  
   first obs. used      1951-02-04  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49386  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:36:21  

Additional Information
 Earth MOID = .95099 au 
 Jupiter MOID = 2.50153 au 
 T_jup = 3.460 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO416947  
diameter diameter 2.894 km 0.646 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.483   0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22975 (1999 VR23)          Discovered 1999-Nov-14 by Juels, C. W. at Fountain Hills
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 VR23 = 1998 KU56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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