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91462 (1999 RL72)
Classification: Main-belt Asteroid          SPK-ID: 2091462
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1116442251030558 4.965e-08  
a 2.75098316025489 1.8023e-08 au
q 2.443851777056678 1.3967e-07 au
i 7.941051745500712 6.068e-06 deg
node 11.26642955115783 3.6658e-05 deg
peri 22.08183230595531 4.4911e-05 deg
M 154.8587388434397 2.6914e-05 deg
tp 2458283.591809574078
(2018-Jun-14.09180957)
0.00012242 TDB
period 1666.595960168929
4.56
1.6378e-05
4.484e-08
d
yr
n .2160091639508773 2.1228e-09 deg/d
Q 3.058114543453103 2.0036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      7453 days (20.41 yr)  
   first obs. used      1999-08-12  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52833  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:03:09  

Additional Information
 Earth MOID = 1.45134 au 
 Jupiter MOID = 2.4004 au 
 T_jup = 3.323 
[ 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 14.8   n/a MPO422269  
diameter diameter 5.104 km 0.280 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.098   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91462 (1999 RL72)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 RL72 = 2001 AT27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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