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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2369178724914602 8.2155e-08  
a 2.872434403122754 3.2787e-08 AU
q 2.191903355463634 2.3821e-07 AU
i 11.46658353297478 8.8613e-06 deg
node 21.60554251321751 3.8264e-05 deg
peri 288.1751729711331 4.12e-05 deg
M 185.9170751137631 1.8382e-05 deg
tp 2457860.359077595036
(2017-Apr-16.85907760)
9.5533e-05 JED
period 1778.171340678607
4.87
3.0445e-05
8.335e-08
d
yr
n .2024551806478967 3.4663e-09 deg/d
Q 3.552965450781875 4.0554e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      11576 days (31.69 yr)  
   first obs. used      1983-10-01  
   last obs. used      2015-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47922  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:29:26  

Additional Information
 Earth MOID = 1.21164 AU 
 T_jup = 3.226 
[ 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 13.3 mag n/a MPO250424  
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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