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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08262727100615019 5.7854e-08  
a 2.250273698593477 1.2224e-08 au
q 2.064339723861782 1.2814e-07 au
i 4.0891073701989 4.9258e-06 deg
node 48.0991923110113 7.9842e-05 deg
peri 106.9497404366386 8.5429e-05 deg
M 259.7332960385582 3.2244e-05 deg
tp 2457943.904262117327
(2017-Jul-09.40426212)
0.00011151 JED
period 1232.966971865143
3.38
1.0046e-05
2.75e-08
d
yr
n .2919786240951921 2.3791e-09 deg/d
Q 2.436207673325173 1.3234e-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 = 1.07711 au 
 Jupiter MOID = 2.54877 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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