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JPL Small-Body Database Browser
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154879 (2004 RD140)
Classification: Main-belt Asteroid          SPK-ID: 2154879
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1050197511135938 5.2068e-08  
a 2.803473482619305 2.5295e-08 au
q 2.509053395221066 1.4913e-07 au
i 4.075040822122128 5.355e-06 deg
node 41.47454408087449 8.3281e-05 deg
peri 328.7695766647536 8.7296e-05 deg
M 114.2120893751913 2.569e-05 deg
tp 2458456.557890170340
(2018-Dec-04.05789017)
0.00012241 TDB
period 1714.522171951552
4.69
2.3204e-05
6.353e-08
d
yr
n .2099710379307785 2.8417e-09 deg/d
Q 3.097893570017545 2.7951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      10690 days (29.27 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59525  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:05:58  

Additional Information
 Earth MOID = 1.50991 au 
 Jupiter MOID = 2.36537 au 
 T_jup = 3.312 
[ 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 15.8   n/a MPO268116  

154879 (2004 RD140)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2004 RD140 = 2002 EG144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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