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91452 (1999 RL43)
Classification: Main-belt Asteroid          SPK-ID: 2091452
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05730739510772821 3.8997e-08  
a 2.977462225416711 1.8819e-08 au
q 2.806831621246419 1.2121e-07 au
i 8.344036778278047 4.0394e-06 deg
node 234.5096402109455 2.3944e-05 deg
peri 210.7817166715292 4.1299e-05 deg
M 333.964356828548 3.2665e-05 deg
tp 2459336.216805097284
(2021-May-01.71680510)
0.00017023 TDB
period 1876.583171511392
5.14
1.7792e-05
4.871e-08
d
yr
n .1918380200063595 1.8188e-09 deg/d
Q 3.148092829587002 1.9898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      899  
   data-arc span      7826 days (21.43 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45287  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:45:55  

Additional Information
 Earth MOID = 1.8257 au 
 Jupiter MOID = 2.0713 au 
 T_jup = 3.242 
[ 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 14.78   n/a MPCxxxxx  

91452 (1999 RL43)          Discovered 1999-Sep-14 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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