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186042 (2001 RJ155)
Classification: Main-belt Asteroid          SPK-ID: 2186042
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2625252157816884 1.5038e-07  
a 2.535567992677268 1.6672e-08 au
q 1.869917458270526 3.9002e-07 au
i 11.14853281943748 8.5588e-06 deg
node 45.28436311014246 5.2545e-05 deg
peri 291.9234203042315 5.4057e-05 deg
M 291.7379713000082 1.139e-05 deg
tp 2459480.132733769444
(2021-Sep-22.63273377)
4.7358e-05 TDB
period 1474.725935840989
4.04
1.4545e-05
3.982e-08
d
yr
n .244113154350068 2.4077e-09 deg/d
Q 3.20121852708401 2.1049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6802 days (18.62 yr)  
   first obs. used      2001-09-12  
   last obs. used      2020-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .70038  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:49:41  

Additional Information
 Earth MOID = .893791 au 
 Jupiter MOID = 2.30728 au 
 T_jup = 3.374 
[ 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 17.05   n/a E2021B55  

186042 (2001 RJ155)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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