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216990 (2000 RT20)
Classification: Main-belt Asteroid          SPK-ID: 2216990
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754951497946893 4.4092e-08  
a 2.19777761855736 1.031e-08 au
q 1.812078306173221 9.9288e-08 au
i 7.215005778283142 5.2489e-06 deg
node 213.6173489027596 3.6373e-05 deg
peri 120.2751656196656 3.9616e-05 deg
M 92.18613764115672 1.8578e-05 deg
tp 2458895.754595551899
(2020-Feb-16.25459555)
6.0155e-05 TDB
period 1190.074217322854
3.26
8.3738e-06
2.293e-08
d
yr
n .3025021421015593 2.1285e-09 deg/d
Q 2.583476930941499 1.2119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      471  
   data-arc span      8535 days (23.37 yr)  
   first obs. used      1997-10-01  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58475  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:57:05  

Additional Information
 Earth MOID = .813815 au 
 Jupiter MOID = 2.81312 au 
 T_jup = 3.637 
[ 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 16.6   n/a MPO475777  

216990 (2000 RT20)          Discovered 2000-Sep-01 by LINEAR at Socorro
Reference: 20090806/Numbers.arcLast Updated: 2009-08-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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