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66627 (1999 RC208)
Classification: Main-belt Asteroid          SPK-ID: 2066627
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08247696216790733 4.9048e-08  
a 2.606784317106458 1.1456e-08 au
q 2.391784665604574 1.3097e-07 au
i 13.77471202584204 4.6009e-06 deg
node 227.0077790754536 1.5672e-05 deg
peri 190.9536138631723 2.9959e-05 deg
M 333.465891978556 2.5018e-05 deg
tp 2459313.807346277755
(2021-Apr-09.30734628)
0.00010679 TDB
period 1537.290970061099
4.21
1.0134e-05
2.775e-08
d
yr
n .2341781790246851 1.5437e-09 deg/d
Q 2.821783968608342 1.2401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1105  
   data-arc span      7852 days (21.50 yr)  
   first obs. used      1999-09-06  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:51  

Additional Information
 Earth MOID = 1.40347 au 
 Jupiter MOID = 2.5363 au 
 T_jup = 3.366 
[ 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 14.89   n/a E2021B10  
diameter diameter 3.132 km 0.720 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66627 (1999 RC208)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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