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8903 (1995 UB7)
Classification: Main-belt Asteroid          SPK-ID: 2008903
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572281942024062 5.6296e-08  
a 2.603594703567257 1.6565e-08 AU
q 2.194236209890428 1.4687e-07 AU
i 13.20865706046624 6.5922e-06 deg
node 200.6870953066359 2.2481e-05 deg
peri 159.4570409445749 3.0076e-05 deg
M 230.6704986070983 2.2805e-05 deg
tp 2457551.756341397101
(2016-Jun-12.25634140)
0.00010041 JED
period 1534.470331715423
4.20
1.4644e-05
4.009e-08
d
yr
n .2346086415353152 2.2389e-09 deg/d
Q 3.012953197244086 1.9169e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      22535 days (61.70 yr)  
   first obs. used      1953-10-10  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51522  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:00:40  

Additional Information
 Earth MOID = 1.19718 AU 
 T_jup = 3.359 
[ 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 13.7 mag n/a MPO337332  

8903 (1995 UB7)          Discovered 1995-Oct-26 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 UB7 = 1978 TC2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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