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JPL Small-Body Database Browser
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66524 (1999 RQ102)
Classification: Main-belt Asteroid          SPK-ID: 2066524
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08246486610179474 4.8932e-08  
a 2.662041865835106 1.8255e-08 au
q 2.442516939811642 1.3081e-07 au
i 12.57456606096312 6.2023e-06 deg
node 307.3546441956093 2.1819e-05 deg
peri 65.34458021710226 4.1379e-05 deg
M 252.0500608137142 3.5422e-05 deg
tp 2459476.208213674644
(2021-Sep-18.70821367)
0.00015804 TDB
period 1586.429396938729
4.34
1.6318e-05
4.468e-08
d
yr
n .2269246905627681 2.3342e-09 deg/d
Q 2.88156679185857 1.976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      952  
   data-arc span      11823 days (32.37 yr)  
   first obs. used      1986-11-27  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5096  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:23:04  

Additional Information
 Earth MOID = 1.46883 au 
 Jupiter MOID = 2.53253 au 
 T_jup = 3.346 
[ 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 14.2   n/a MPO436245  
diameter diameter 3.519 km 0.763 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.050 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.393   0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66524 (1999 RQ102)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RQ102 = 1986 WN5 = 2001 AC33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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