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21592 (1998 VJ5)
Classification: Main-belt Asteroid          SPK-ID: 2021592
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2375183225118308 8.2484e-08  
a 2.867959762768455 3.3098e-08 au
q 2.186766770884263 2.3975e-07 au
i 11.50008794915896 8.7683e-06 deg
node 21.40757569636743 3.7986e-05 deg
peri 288.8839029755736 4.0853e-05 deg
M 266.2880219624572 1.8682e-05 deg
tp 2457862.296473264202
(2017-Apr-18.79647326)
9.4761e-05 JED
period 1774.017941532628
4.86
3.071e-05
8.408e-08
d
yr
n .2029291765160983 3.5129e-09 deg/d
Q 3.549152754652646 4.096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      795  
   data-arc span      11764 days (32.21 yr)  
   first obs. used      1983-10-01  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48629  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:48:16  

Additional Information
 Earth MOID = 1.20381 au 
 Jupiter MOID = 1.91246 au 
 T_jup = 3.228 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO340851  
diameter diameter 11.13 km 1.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
geometric albedo albedo 0.0821   0.016 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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