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118772 (2000 RL20)
Classification: Main-belt Asteroid          SPK-ID: 2118772
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1800358092504258 3.5846e-08  
a 2.807883132650399 1.6249e-08 au
q 2.302363620583064 9.9178e-08 au
i 7.359754670631307 4.8078e-06 deg
node 226.0771819357581 3.18e-05 deg
peri 78.5179399459835 3.4806e-05 deg
M 145.5833701169016 1.4406e-05 deg
tp 2458505.513710934941
(2019-Jan-22.01371093)
6.6928e-05 TDB
period 1718.56898121343
4.71
1.4918e-05
4.084e-08
d
yr
n .2094766075353082 1.8183e-09 deg/d
Q 3.313402644717734 1.9174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      7921 days (21.69 yr)  
   first obs. used      1999-05-12  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:58:47  

Additional Information
 Earth MOID = 1.29937 au 
 Jupiter MOID = 1.97325 au 
 T_jup = 3.286 
[ 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 15.22   n/a MPCxxxxx  

118772 (2000 RL20)          Discovered 2000-Sep-01 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 RL20 = 2004 JS30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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