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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1455126355177349 1.1261e-07  
a 3.065322164986301 4.3552e-08 au
q 2.619279058048215 3.6105e-07 au
i 9.091654239909875 1.1544e-05 deg
node 5.681506879164881 4.0664e-05 deg
peri .3729865203462107 4.6648e-05 deg
M 226.9617978593511 2.4876e-05 deg
tp 2459324.913410857338
(2021-Apr-20.41341086)
0.00014398 TDB
period 1960.255202734429
5.37
4.1776e-05
1.144e-07
d
yr
n .1836495572096038 3.9139e-09 deg/d
Q 3.511365271924387 4.9889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   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      .62236  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:53  

Additional Information
 Earth MOID = 1.61688 au 
 Jupiter MOID = 1.94452 au 
 T_jup = 3.197 
[ 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 15.5   n/a MPO360272  
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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