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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 | Close-Approach Data ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2093124000807451 5.2302e-08  
a 2.766160913500936 1.8075e-08 au
q 2.187169133686508 1.4e-07 au
i 10.21085670366245 5.1507e-06 deg
node 161.1164217618524 2.5964e-05 deg
peri 188.8343722596533 2.8716e-05 deg
M 172.7255596395197 1.6305e-05 deg
tp 2458194.251916838150
(2018-Mar-16.75191684)		 7.2054e-05 TDB
period 1680.407407820936
4.60		 1.6471e-05
4.51e-08		 d
yr
n .2142337616011995 2.0999e-09 deg/d
Q 3.345152693315363 2.1859e-08 au
   Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      10789 days (29.54 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:17:28  

Additional Information
 Earth MOID = 1.18143 au 
 Jupiter MOID = 2.08719 au 
 T_jup = 3.284 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457056.5 (2015-Feb-03.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2068122242969752 5.1708e-08  
q 2.197264928462173 1.3768e-07 au
tp 2456506.118252036616
(2013-Aug-01.61825204)		 6.663e-05 TDB
node 161.1707588998048 2.5986e-05 deg
peri 187.9996813142229 2.8825e-05 deg
i 10.19574602654419 5.1461e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      10789 days (29.54 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:17:28  

Additional Information
 Jupiter MOID = 2.08719 au 
 T_jup = 3.284 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.673674554827278E-15 -7.084769735670153E-15 1.150944674975922E-12 8.141030402606595E-15 1.6763973798962E-13 -9.117613592816999E-16
q -7.084769735670153E-15 1.895463188838368E-14 -2.887049547538574E-12 -2.272736702883102E-14 -4.008142567158417E-13 1.629903032714526E-15
tp 1.150944674975922E-12 -2.887049547538574E-12 4.439547374297374E-9 -1.84593795350608E-13 8.49713713229717E-10 -4.911705546495454E-12
node 8.141030402606595E-15 -2.272736702883102E-14 -1.84593795350608E-13 6.752949380494621E-10 -6.651559021204613E-10 5.584437027065355E-12
peri 1.6763973798962E-13 -4.008142567158417E-13 8.49713713229717E-10 -6.651559021204613E-10 8.309037131564972E-10 -6.499351905849149E-12
i -9.117613592816999E-16 1.629903032714526E-15 -4.911705546495454E-12 5.584437027065355E-12 -6.499351905849149E-12 2.6482149314846E-11

[ 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 15.0   n/a MPO417285  
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

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