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20516 (1999 RP34)
Classification: Main-belt Asteroid          SPK-ID: 2020516
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02651208225054031 3.3614e-08  
a 2.879388383438878 1.3778e-08 au
q 2.803049801785896 9.896e-08 au
i 2.382377225733051 3.6724e-06 deg
node 148.5717139015726 8.5176e-05 deg
peri 84.69555988549475 0.00011149 deg
M 255.1072840146826 7.3016e-05 deg
tp 2459720.485973920688
(2022-May-20.98597392)
0.00036257 TDB
period 1784.632506204253
4.89
1.2809e-05
3.507e-08
d
yr
n .2017222026094809 1.4479e-09 deg/d
Q 2.95572696509186 1.4143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2048  
   data-arc span      10603 days (29.03 yr)  
   first obs. used      1992-03-01  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49231  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:23:10  

Additional Information
 Earth MOID = 1.79123 au 
 Jupiter MOID = 2.01279 au 
 T_jup = 3.293 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.95   n/a E2021B10  

20516 (1999 RP34)          Discovered 1999-Sep-11 by Korlevic, K. at Visnjan
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RP34 = 1992 ET17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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