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181885 (1999 RK32)
Classification: Main-belt Asteroid          SPK-ID: 2181885
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2317794444913287 4.6689e-08  
a 2.266667289737379 8.4815e-09 au
q 1.741300404475384 1.0697e-07 au
i 5.469179624855608 4.8207e-06 deg
node 171.9782751036999 5.0845e-05 deg
peri 190.465145719023 5.2003e-05 deg
M 79.356607241568 1.1423e-05 deg
tp 2458925.735459714971
(2020-Mar-17.23545972)
3.8733e-05 TDB
period 1246.465013322766
3.41
6.9961e-06
1.915e-08
d
yr
n .2888167707494086 1.6211e-09 deg/d
Q 2.792034174999375 1.0447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      7880 days (21.57 yr)  
   first obs. used      1999-08-22  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5463  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:52  

Additional Information
 Earth MOID = .737252 au 
 Jupiter MOID = 2.66512 au 
 T_jup = 3.574 
[ 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 17.15   n/a MPCxxxxx  

181885 (1999 RK32)          Discovered 1999-Sep-09 by Korlevic, K. at Visnjan
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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