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186419 (2002 RR2)
Classification: Main-belt Asteroid          SPK-ID: 2186419
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .154029783792243 5.3277e-08  
a 2.264923274286117 8.662e-09 au
q 1.916057632041807 1.2013e-07 au
i 6.905455222261313 5.9676e-06 deg
node 161.4300925741905 3.2199e-05 deg
peri 184.7086808410098 3.4879e-05 deg
M 132.9427910999242 1.2447e-05 deg
tp 2458740.729650327266
(2019-Sep-14.22965033)
4.2775e-05 TDB
period 1245.026710457554
3.41
7.1423e-06
1.955e-08
d
yr
n .2891504230199994 1.6588e-09 deg/d
Q 2.613788916530427 9.9963e-09 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      9901 days (27.11 yr)  
   first obs. used      1994-03-06  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:06  

Additional Information
 Earth MOID = .907066 au 
 Jupiter MOID = 2.79254 au 
 T_jup = 3.592 
[ 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 16.97   n/a MPCxxxxx  

186419 (2002 RR2)          Discovered 2002-Sep-04 by LONEOS at Anderson Mesa
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2002 RR2 = 2004 CF50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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