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66615 (1999 RJ200)
Classification: Main-belt Asteroid          SPK-ID: 2066615
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599944130608318 4.1047e-08  
a 2.657541647176112 1.4215e-08 au
q 2.232349831151454 1.0904e-07 au
i 11.49239751093647 4.4256e-06 deg
node 267.9095798128324 2.1079e-05 deg
peri 203.4613411810576 2.5374e-05 deg
M 273.4082362706047 1.704e-05 deg
tp 2459777.120898837460
(2022-Jul-16.62089884)
7.6735e-05 TDB
period 1582.408276261619
4.33
1.2697e-05
3.476e-08
d
yr
n .2275013379293533 1.8254e-09 deg/d
Q 3.08273346320077 1.649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1370  
   data-arc span      9895 days (27.09 yr)  
   first obs. used      1994-07-07  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:34:06  

Additional Information
 Earth MOID = 1.25406 au 
 Jupiter MOID = 2.09437 au 
 T_jup = 3.341 
[ 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 14.33   n/a E2021B10  
diameter diameter 8.972 km 0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 207.485 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 0.038   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66615 (1999 RJ200)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RJ200 = 2000 YE103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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