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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 ]

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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 .2382162176762638 5.4875e-08  
a 2.742725760527791 1.7273e-08 au
q 2.089364003731606 1.5113e-07 au
i 9.768220900301218 6.3687e-06 deg
node 168.6301318424115 3.691e-05 deg
peri 138.6007412456763 4.2807e-05 deg
M 67.52465535042035 1.5109e-05 deg
tp 2458689.305522986063
(2019-Jul-24.80552299)
6.975e-05 TDB
period 1659.097867936321
4.54
1.5673e-05
4.291e-08
d
yr
n .2169853912522884 2.0498e-09 deg/d
Q 3.396087517323974 2.1388e-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 = 1.08652 au 
 Jupiter MOID = 1.96744 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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