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JPL Small-Body Database Browser
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154236 (2002 JM122)
Classification: Main-belt Asteroid          SPK-ID: 2154236
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291202229778617 4.4603e-08  
a 3.098294594799382 3.8858e-08 au
q 2.698242105867783 1.4153e-07 au
i 17.56669255444003 9.0266e-06 deg
node 147.2526952447389 1.7127e-05 deg
peri 109.4717641880422 3.9267e-05 deg
M 84.65569178451022 3.5466e-05 deg
tp 2458532.079219755924
(2019-Feb-17.57921976)
0.0001948 TDB
period 1991.968612306853
5.45
3.7474e-05
1.026e-07
d
yr
n .1807257392389794 3.3999e-09 deg/d
Q 3.498347083730982 4.3875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      6419 days (17.57 yr)  
   first obs. used      2002-04-21  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59163  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 12:02:44  

Additional Information
 Earth MOID = 1.74278 au 
 Jupiter MOID = 1.89149 au 
 T_jup = 3.138 
[ 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 15.0   n/a MPO436780  

154236 (2002 JM122)          Discovered 2002-May-06 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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