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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08265561033904252 6.1112e-08  
a 2.250140098315293 1.3435e-08 AU
q 2.064153395140689 1.3735e-07 AU
i 4.089113112304897 5.841e-06 deg
node 48.1095487463207 8.0591e-05 deg
peri 106.7104590913722 8.8543e-05 deg
M 84.8099360512735 3.5866e-05 deg
tp 2456710.059617280565
(2014-Feb-21.55961728)
0.00012263 JED
period 1232.857170364848
3.38
1.1042e-05
3.023e-08
d
yr
n .2920046284789525 2.6153e-09 deg/d
Q 2.436126801489896 1.4546e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1070  
   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      .53012  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:18:54  

Additional Information
 Earth MOID = 1.07871 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
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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