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66648 (1999 RZ245)
Classification: Main-belt Asteroid          SPK-ID: 2066648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1657488379504105 4.9666e-08  
a 2.859662787597967 1.742e-08 au
q 2.385677003623573 1.3896e-07 au
i 11.86109595461449 3.975e-06 deg
node 131.2364374672889 2.3658e-05 deg
peri 233.4835681459566 2.7575e-05 deg
M 86.23594809473666 1.4982e-05 deg
tp 2458577.386868028339
(2019-Apr-03.88686803)
7.2768e-05 TDB
period 1766.325191235357
4.84
1.6139e-05
4.419e-08
d
yr
n .2038129795047639 1.8623e-09 deg/d
Q 3.333648571572362 2.0307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      726  
   data-arc span      10173 days (27.85 yr)  
   first obs. used      1992-02-26  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:51:45  

Additional Information
 Earth MOID = 1.4035 au 
 Jupiter MOID = 2.16809 au 
 T_jup = 3.251 
[ 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 14.9   n/a MPO453062  
diameter diameter 3.576 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66648 (1999 RZ245)          Discovered 1999-Sep-07 by LONEOS at Anderson Mesa
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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