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102551 (1999 UC18)
Classification: Main-belt Asteroid          SPK-ID: 2102551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002077273872682 4.4651e-08  
a 2.521544447027949 1.2197e-08 au
q 2.268866208485293 1.1414e-07 au
i 10.3612604018303 9.8545e-06 deg
node 33.4464134916343 2.8196e-05 deg
peri 50.57027080161288 0.00025421 deg
M 47.31023811265391 0.00023638 deg
tp 2459008.301054000890
(2020-Jun-07.80105400)
0.00095999 TDB
period 1462.508398180585
4.00
1.0611e-05
2.905e-08
d
yr
n .2461524326614831 1.786e-09 deg/d
Q 2.774222685570606 1.3419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      9209 days (25.21 yr)  
   first obs. used      1995-10-26  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .565  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:31:46  

Additional Information
 Earth MOID = 1.29844 au 
 Jupiter MOID = 2.46538 au 
 T_jup = 3.426 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO351576  

102551 (1999 UC18)          Discovered 1999-Oct-30 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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