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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1658800210951475 4.9515e-08  
a 2.859685215783871 1.6558e-08 au
q 2.385320571864161 1.3813e-07 au
i 11.86154800876036 3.8371e-06 deg
node 131.2360397589532 2.0811e-05 deg
peri 233.4982795278709 2.4412e-05 deg
M 126.9671970403509 1.4321e-05 deg
tp 2458577.533341804634
(2019-Apr-04.03334180)
6.8587e-05 TDB
period 1766.34597107045
4.84
1.5341e-05
4.2e-08
d
yr
n .2038105817864384 1.7701e-09 deg/d
Q 3.334049859703581 1.9304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      10613 days (29.06 yr)  
   first obs. used      1992-02-26  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50371  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:02:15  

Additional Information
 Earth MOID = 1.40154 au 
 Jupiter MOID = 2.16848 au 
 T_jup = 3.250 
[ 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 14.96   n/a MPCxxxxx  
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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