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249887 (2001 RR29)
Classification: Main-belt Asteroid          SPK-ID: 2249887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2385151652313547 5.4819e-08  
a 2.743504655825732 1.7421e-08 au
q 2.089137189528466 1.5113e-07 au
i 9.767513101218992 6.3681e-06 deg
node 168.6394898701635 3.6912e-05 deg
peri 138.5584934917356 4.2798e-05 deg
M 340.7570982061853 1.5123e-05 deg
tp 2458689.220716783237
(2019-Jul-24.72071678)
6.9673e-05 TDB
period 1659.804658579714
4.54
1.581e-05
4.329e-08
d
yr
n .2168929928826987 2.0659e-09 deg/d
Q 3.397872122122997 2.1577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      6616 days (18.11 yr)  
   first obs. used      2001-08-23  
   last obs. used      2019-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56222  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:48:02  

Additional Information
 Earth MOID = 1.08549 au 
 Jupiter MOID = 1.96313 au 
 T_jup = 3.287 
[ 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 16.9   n/a MPO440261  
diameter diameter 2.086 km 0.327 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249887 (2001 RR29)          Discovered 2001-Sep-07 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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