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25400 (1999 VU20)
Classification: Main-belt Asteroid          SPK-ID: 2025400
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08266943136342275 6.1115e-08  
a 2.24997793894554 1.3605e-08 AU
q 2.063973542152667 1.3741e-07 AU
i 4.089249534913716 5.8932e-06 deg
node 48.10972914004151 8.0724e-05 deg
peri 106.6444708567106 8.8724e-05 deg
M 26.46544891023107 3.6068e-05 deg
tp 2456709.876134900972
(2014-Feb-21.37613490)
0.00012344 JED
period 1232.723901503066
3.38
1.1181e-05
3.061e-08
d
yr
n .2920361968815971 2.6488e-09 deg/d
Q 2.435982335738414 1.473e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1046  
   data-arc span      11550 days (31.62 yr)  
   first obs. used      1982-11-09  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5275  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:53:29  

Additional Information
 Earth MOID = 1.07812 AU 
 T_jup = 3.620 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO279779  

25400 (1999 VU20)          Discovered 1999-Nov-09 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 VU20 = 1982 VB9 = 1987 DF7 = 1992 UV7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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