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215291 (2001 RM109)
Classification: Main-belt Asteroid          SPK-ID: 2215291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1027815168904385 6.707e-08  
a 2.710571120283651 2.3691e-08 au
q 2.431974508901482 1.7995e-07 au
i 6.085150391339889 8.339e-06 deg
node 170.4050185659985 5.0146e-05 deg
peri 157.7837289695592 6.0894e-05 deg
M 85.74642972848686 3.3469e-05 deg
tp 2458612.257403782531
(2019-May-08.75740378)
0.00015206 TDB
period 1630.007629248908
4.46
2.137e-05
5.851e-08
d
yr
n .2208578619757041 2.8955e-09 deg/d
Q 2.98916773166582 2.6126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6733 days (18.43 yr)  
   first obs. used      2001-08-21  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53286  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:21:40  

Additional Information
 Earth MOID = 1.42221 au 
 Jupiter MOID = 2.33149 au 
 T_jup = 3.347 
[ 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 16.5   n/a MPO454546  
diameter diameter 2.363 km 0.680 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215291 (2001 RM109)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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