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160239 (2002 JR118)
Classification: Main-belt Asteroid          SPK-ID: 2160239
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2721610773093237 4.3659e-08  
a 2.669134990065807 1.1417e-08 au
q 1.942700335685486 1.1498e-07 au
i 13.04621993591513 5.3774e-06 deg
node 150.2821909278685 1.4666e-05 deg
peri 137.1500186766943 1.9485e-05 deg
M 44.75262954237196 8.4657e-06 deg
tp 2459002.497673910324
(2020-Jun-01.99767391)
3.7683e-05 TDB
period 1592.774282118871
4.36
1.022e-05
2.798e-08
d
yr
n .2260207262519904 1.4502e-09 deg/d
Q 3.395569644446128 1.4525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      8197 days (22.44 yr)  
   first obs. used      1998-06-19  
   last obs. used      2020-11-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5312  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:31  

Additional Information
 Earth MOID = .946382 au 
 Jupiter MOID = 1.93553 au 
 T_jup = 3.292 
[ 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 15.92   n/a E2021B55  

160239 (2002 JR118)          Discovered 2002-May-05 by LONEOS at Anderson Mesa
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Alternate Designations
 2002 JR118 = 1998 MR11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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