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129858 (1999 RW113)
Classification: Main-belt Asteroid          SPK-ID: 2129858
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1128143676723921 7.136e-08  
a 2.542173824770242 1.5247e-08 au
q 2.255380092215481 1.852e-07 au
i 11.91769220397845 4.5076e-06 deg
node 213.1844473915555 3.33e-05 deg
peri 107.456914137113 3.8786e-05 deg
M 58.8771343943534 2.0133e-05 deg
tp 2458758.368967180044
(2019-Oct-01.86896718)
8.2383e-05 TDB
period 1480.492770442034
4.05
1.332e-05
3.647e-08
d
yr
n .243162281631753 2.1877e-09 deg/d
Q 2.828967557325003 1.6968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      7876 days (21.56 yr)  
   first obs. used      1998-03-29  
   last obs. used      2019-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59394  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 15:18:59  

Additional Information
 Earth MOID = 1.2779 au 
 Jupiter MOID = 2.48209 au 
 T_jup = 3.406 
[ 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 15.5   n/a MPO439821  
diameter diameter 4.910 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129858 (1999 RW113)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 RW113 = 1998 HD53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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