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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2053946925644541 4.0659e-08  
a 2.447316938067705 9.4264e-09 au
q 1.944651027965507 9.9391e-08 au
i 6.695044165892369 3.2568e-06 deg
node 71.16459330510942 3.7853e-05 deg
peri 276.6300369490815 3.8634e-05 deg
M 69.58048976526797 7.2849e-06 deg
tp 2458330.216999549290
(2018-Jul-30.71699955)
2.8263e-05 TDB
period 1398.407520419973
3.83
8.0795e-06
2.212e-08
d
yr
n .2574356864813513 1.4874e-09 deg/d
Q 2.949982848169902 1.1363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      24862 days (68.07 yr)  
   first obs. used      1951-02-04  
   last obs. used      2019-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5109  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:15:52  

Additional Information
 Earth MOID = .951178 au 
 Jupiter MOID = 2.49822 au 
 T_jup = 3.459 
[ 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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