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66559 (1999 RB135)
Classification: Main-belt Asteroid          SPK-ID: 2066559
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2097257429980855 4.0793e-08  
a 2.765125483987305 1.5059e-08 au
q 2.185207487375127 1.1293e-07 au
i 10.21259144866532 4.3878e-06 deg
node 161.1213315921711 2.4242e-05 deg
peri 188.878740770256 2.7313e-05 deg
M 257.540846257512 1.6e-05 deg
tp 2459874.490161711439
(2022-Oct-21.99016171)
7.6789e-05 TDB
period 1679.463980823034
4.60
1.372e-05
3.756e-08
d
yr
n .2143541058996569 1.7511e-09 deg/d
Q 3.345043480599483 1.8217e-08 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      11209 days (30.69 yr)  
   first obs. used      1990-09-28  
   last obs. used      2021-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54315  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:32:32  

Additional Information
 Earth MOID = 1.17866 au 
 Jupiter MOID = 2.08839 au 
 T_jup = 3.285 
[ 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 15.10   n/a MPCxxxxx  
diameter diameter 6.669 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.30865 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.044   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66559 (1999 RB135)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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