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JPL Small-Body Database Browser
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442281 (2011 RL3)
Classification: Main-belt Asteroid          SPK-ID: 2442281
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206270147639475 5.95e-08  
a 2.701015504564334 3.9574e-08 au
q 2.143876637661338 1.5277e-07 au
i 14.38130346924439 6.9544e-06 deg
node 131.5471430142955 2.5411e-05 deg
peri 334.6054200744495 3.1414e-05 deg
M 191.0186685856154 1.5802e-05 deg
tp 2459361.571167630169
(2021-May-27.07116763)
7.6166e-05 TDB
period 1621.395795935466
4.44
3.5634e-05
9.756e-08
d
yr
n .2220309198423063 4.8797e-09 deg/d
Q 3.25815437146733 4.7737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      3716 days (10.17 yr)  
   first obs. used      2009-05-01  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53569  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:57  

Additional Information
 Earth MOID = 1.16887 au 
 Jupiter MOID = 1.89259 au 
 T_jup = 3.292 
[ 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 16.6   n/a MPO450446  

442281 (2011 RL3)          Discovered 2009-May-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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