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136718 (1995 UP18)
Classification: Main-belt Asteroid          SPK-ID: 2136718
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04635394282039239 4.4858e-08  
a 3.066810039651483 2.5511e-08 au
q 2.924651302432473 1.3881e-07 au
i 9.026324891194507 5.9834e-06 deg
node 4.576686134393418 3.0077e-05 deg
peri 68.69896796888327 7.0386e-05 deg
M 154.4975935894495 6.3687e-05 deg
tp 2458158.624327593338
(2018-Feb-09.12432759)
0.00034461 TDB
period 1961.682606343811
5.37
2.4477e-05
6.701e-08
d
yr
n .1835159259891532 2.2898e-09 deg/d
Q 3.208968776870493 2.6693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      9015 days (24.68 yr)  
   first obs. used      1995-08-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:40:39  

Additional Information
 Earth MOID = 1.95328 au 
 Jupiter MOID = 1.92837 au 
 T_jup = 3.211 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO385594  

136718 (1995 UP18)          Discovered 1995-Oct-18 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1995 UP18 = 1998 FJ139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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