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180782 (2004 RH139)
Classification: Main-belt Asteroid          SPK-ID: 2180782
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1546581284184314 3.239e-08  
a 3.071898532278702 2.3531e-08 au
q 2.596804454585152 1.0202e-07 au
i 1.919198647716581 3.7582e-06 deg
node 115.798069174453 0.00013572 deg
peri 180.3075699679943 0.00013728 deg
M 44.57936334747922 1.7908e-05 deg
tp 2458956.976942593853
(2020-Apr-17.47694259)
9.853e-05 TDB
period 1966.566906370373
5.38
2.2596e-05
6.186e-08
d
yr
n .1830601332880354 2.1034e-09 deg/d
Q 3.546992609972253 2.717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      6805 days (18.63 yr)  
   first obs. used      2002-03-04  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:02:44  

Additional Information
 Earth MOID = 1.57889 au 
 Jupiter MOID = 1.65511 au 
 T_jup = 3.211 
[ 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 16.09   n/a E2021B55  

180782 (2004 RH139)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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