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180871 (2005 JS54)
Classification: Main-belt Asteroid          SPK-ID: 2180871
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .161479176039644 5.0953e-08  
a 2.395908891640209 1.8494e-08 au
q 2.009019497952091 1.235e-07 au
i .6898035156224495 6.8818e-06 deg
node 251.483426449835 0.0005848 deg
peri 27.41730351109217 0.0005854 deg
M 41.85304291979742 3.0846e-05 deg
tp 2459043.018909373975
(2020-Jul-12.51890937)
0.00011506 TDB
period 1354.577556857927
3.71
1.5684e-05
4.294e-08
d
yr
n .2657655135192515 3.0771e-09 deg/d
Q 2.782798285328326 2.148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      5957 days (16.31 yr)  
   first obs. used      2002-10-06  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68495  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:28:08  

Additional Information
 Earth MOID = .990717 au 
 Jupiter MOID = 2.33883 au 
 T_jup = 3.511 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO427105  

180871 (2005 JS54)          Discovered 2005-May-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 JS54 = 2002 TJ373 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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