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JPL Small-Body Database Browser
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357189 (2002 ER142)
Classification: Main-belt Asteroid          SPK-ID: 2357189
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1860702634932085 6.4212e-08  
a 2.352658082736119 1.8719e-08 au
q 1.914898373371983 1.5106e-07 au
i 1.354785309123239 7.023e-06 deg
node 101.4857603885582 0.00032423 deg
peri 152.5913712675168 0.00032487 deg
M 204.0136079097917 2.2708e-05 deg
tp 2459171.611442186894
(2020-Nov-18.11144219)
8.684e-05 TDB
period 1318.064456984052
3.61
1.5731e-05
4.307e-08
d
yr
n .2731277655599174 3.2597e-09 deg/d
Q 2.790417792100255 2.2202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      7623 days (20.87 yr)  
   first obs. used      1998-01-29  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60001  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:34:49  

Additional Information
 Earth MOID = .900083 au 
 Jupiter MOID = 2.25561 au 
 T_jup = 3.533 
[ 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 17.5   n/a MPO418816  

357189 (2002 ER142)          Discovered 2002-Mar-12 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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