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208811 (2002 RQ)
Classification: Main-belt Asteroid          SPK-ID: 2208811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1576455767792836 5.1614e-08  
a 2.745516652412755 1.3866e-08 au
q 2.312698096186018 1.4461e-07 au
i 8.232644185525766 4.2153e-06 deg
node 130.0617682240248 3.196e-05 deg
peri 245.3125761217773 3.4607e-05 deg
M 45.6186839197191 1.1765e-05 deg
tp 2459185.940519085260
(2020-Dec-02.44051909)
5.4286e-05 TDB
period 1661.630862974996
4.55
1.2588e-05
3.446e-08
d
yr
n .2166546180753127 1.6412e-09 deg/d
Q 3.178335208639492 1.6051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      6745 days (18.47 yr)  
   first obs. used      2002-08-25  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50114  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:23:48  

Additional Information
 Earth MOID = 1.3267 au 
 Jupiter MOID = 2.32687 au 
 T_jup = 3.315 
[ 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 15.79   n/a MPCxxxxx  

208811 (2002 RQ)          Discovered 2002-Sep-03 by Kusnirak, P. at Ondrejov
Reference: 20090311/Numbers.arcLast Updated: 2009-03-12

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