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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08262480958025717 5.7857e-08  
a 2.250456642599621 1.2192e-08 au
q 2.064513091036202 1.2818e-07 au
i 4.088913026431937 4.9254e-06 deg
node 48.10094009064289 7.9848e-05 deg
peri 106.8701103181598 8.5435e-05 deg
M 201.4280725236723 3.207e-05 deg
tp 2457943.660533975051
(2017-Jul-09.16053397)
0.00011153 JED
period 1233.117332575838
3.38
1.002e-05
2.743e-08
d
yr
n .2919430215517302 2.3724e-09 deg/d
Q 2.436400194163039 1.3199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1179  
   data-arc span      12065 days (33.03 yr)  
   first obs. used      1982-11-09  
   last obs. used      2015-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5211  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 16:45:41  

Additional Information
 Earth MOID = 1.07839 au 
 Jupiter MOID = 2.54879 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 14.4 mag n/a MPO347714  

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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