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216701 (2004 RW162)
Classification: Main-belt Asteroid          SPK-ID: 2216701
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140203385993689 8.7939e-08  
a 3.136036348373007 4.2622e-08 au
q 2.778464422071588 3.0609e-07 au
i 9.908606954499243 6.0354e-06 deg
node 293.7244486040629 3.2194e-05 deg
peri 53.0557040669931 4.1165e-05 deg
M 350.4788777920761 2.4485e-05 deg
tp 2459254.148266972320
(2021-Feb-08.64826697)
0.00013817 TDB
period 2028.47686315398
5.55
4.1354e-05
1.132e-07
d
yr
n .1774730619506567 3.6181e-09 deg/d
Q 3.493608274674425 4.7482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54112  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:56  

Additional Information
 Earth MOID = 1.7824 au 
 Jupiter MOID = 1.91425 au 
 T_jup = 3.179 
[ 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 15.09   n/a MPCxxxxx  

216701 (2004 RW162)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Alternate Designations
 2004 RW162 = 1999 XY239 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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