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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04513618779682067 4.2278e-08  
a 3.070633797752364 2.4225e-08 au
q 2.932037094001748 1.3319e-07 au
i 9.026125365973463 5.2838e-06 deg
node 4.529711087098616 2.9021e-05 deg
peri 68.0823632606667 6.6311e-05 deg
M 227.7943068043537 6.1232e-05 deg
tp 2460118.252210120179
(2023-Jun-22.75221012)
0.00033801 TDB
period 1965.352545436529
5.38
2.3258e-05
6.368e-08
d
yr
n .183173243312456 2.1676e-09 deg/d
Q 3.209230501502979 2.5318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      9448 days (25.87 yr)  
   first obs. used      1995-08-23  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55599  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:19:04  

Additional Information
 Earth MOID = 1.95992 au 
 Jupiter MOID = 1.92419 au 
 T_jup = 3.210 
[ 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 15.19   n/a E2021B55  

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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