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216704 (2004 RQ210)
Classification: Main-belt Asteroid          SPK-ID: 2216704
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06141214670936553 7.3409e-08  
a 3.110245552335215 3.3397e-08 au
q 2.919238696173053 2.5039e-07 au
i 12.65080754022098 4.7985e-06 deg
node 262.9580949638172 2.8517e-05 deg
peri 100.2309186031232 5.9173e-05 deg
M 339.2537875682026 5.0923e-05 deg
tp 2459315.958726573216
(2021-Apr-11.45872657)
0.00028393 TDB
period 2003.505059200662
5.49
3.227e-05
8.835e-08
d
yr
n .1796850965495586 2.8941e-09 deg/d
Q 3.301252408497377 3.5448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      7739 days (21.19 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-12-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55122  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:57  

Additional Information
 Earth MOID = 1.95129 au 
 Jupiter MOID = 2.042 au 
 T_jup = 3.179 
[ 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 14.67   n/a E2021B55  

216704 (2004 RQ210)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

Alternate Designations
 2004 RQ210 = 1999 TJ199 = 2001 BP55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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