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JPL Small-Body Database Browser
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226778 (2004 RL142)
Classification: Main-belt Asteroid          SPK-ID: 2226778
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0775424311597387 5.5273e-08  
a 2.988682169405863 3.6587e-08 au
q 2.75693248802637 1.7015e-07 au
i 8.530997628715483 8.1982e-06 deg
node 349.6982050123589 3.7301e-05 deg
peri 103.602963285263 6.3166e-05 deg
M 205.024854637601 5.3646e-05 deg
tp 2459412.914333938297
(2021-Jul-17.41433394)
0.00028593 TDB
period 1887.200425164095
5.17
3.4654e-05
9.488e-08
d
yr
n .1907587531243257 3.5029e-09 deg/d
Q 3.220431850785356 3.9424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      7282 days (19.94 yr)  
   first obs. used      1999-10-11  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61311  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:44  

Additional Information
 Earth MOID = 1.78956 au 
 Jupiter MOID = 1.9175 au 
 T_jup = 3.235 
[ 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 15.8   n/a MPO418210  

226778 (2004 RL142)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 RL142 = 1999 TP181 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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