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JPL Small-Body Database Browser
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154880 (2004 RL143)
Classification: Main-belt Asteroid          SPK-ID: 2154880
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1586428865026045 4.4937e-08  
a 2.757455169693901 3.3822e-08 au
q 2.320004522172131 1.1802e-07 au
i 14.68685595061634 7.3471e-06 deg
node 26.2433186025305 2.0377e-05 deg
peri 251.5967147257066 4.1973e-05 deg
M 224.0086171163699 4.4615e-05 deg
tp 2459632.286013009771
(2022-Feb-21.78601301)
0.00021598 TDB
period 1672.48071062079
4.58
3.0771e-05
8.425e-08
d
yr
n .2152491192955974 3.9602e-09 deg/d
Q 3.194905817215671 3.9187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      6499 days (17.79 yr)  
   first obs. used      2002-02-08  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63014  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:30:38  

Additional Information
 Earth MOID = 1.3534 au 
 Jupiter MOID = 2.04271 au 
 T_jup = 3.278 
[ 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 15.4   n/a MPO234082  

154880 (2004 RL143)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 RL143 = 2003 HD48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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