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21592 (1998 VJ5)
Classification: Main-belt Asteroid          SPK-ID: 2021592
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2386182169744917 3.1508e-08  
a 2.865307907541795 1.6102e-08 au
q 2.18159324356126 9.1178e-08 au
i 11.5039665772695 1.8315e-06 deg
node 21.37292758292533 1.1838e-05 deg
peri 289.1699604830154 1.0533e-05 deg
M 271.5195796036897 6.8775e-06 deg
tp 2459635.911656071929
(2022-Feb-25.41165607)
3.5384e-05 TDB
period 1771.557995359966
4.85
1.4933e-05
4.088e-08
d
yr
n .2032109594734724 1.713e-09 deg/d
Q 3.54902257152233 1.9944e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1765  
   data-arc span      13671 days (37.43 yr)  
   first obs. used      1983-10-01  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47775  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 03:01:48  

Additional Information
 Earth MOID = 1.19861 au 
 Jupiter MOID = 1.92426 au 
 T_jup = 3.228 
[ 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 13.48   n/a E2021B10  
diameter diameter 9.115 km 0.270 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.122   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21592 (1998 VJ5)          Discovered 1998-Nov-08 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 VJ5 = 1988 TG4 = 1993 VR5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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