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249605 (1999 RS76)
Classification: Main-belt Asteroid          SPK-ID: 2249605
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144078767967542 1.106e-07  
a 3.069192335034786 4.4225e-08 au
q 2.626986884747551 3.5594e-07 au
i 9.083489028084159 1.0951e-05 deg
node 5.505257020449114 3.8337e-05 deg
peri .04758514756795167 4.3859e-05 deg
M 300.7272097039374 2.4637e-05 deg
tp 2459323.860863451319
(2021-Apr-19.36086345)
0.00013849 TDB
period 1963.96880020355
5.38
4.2449e-05
1.162e-07
d
yr
n .183302300913685 3.9619e-09 deg/d
Q 3.511397785322021 5.0597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      8078 days (22.12 yr)  
   first obs. used      1997-04-27  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61839  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:25:13  

Additional Information
 Earth MOID = 1.62531 au 
 Jupiter MOID = 1.94734 au 
 T_jup = 3.196 
[ 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 15.4   n/a MPO476004  
diameter diameter 5.209 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249605 (1999 RS76)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1999 RS76 = 2005 XN78 = 2010 OX16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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