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91433 (1999 RL2)
Classification: Main-belt Asteroid          SPK-ID: 2091433
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1714628748803869 4.1783e-08  
a 2.68528621198279 1.6774e-08 au
q 2.224859318199557 1.1625e-07 au
i 14.10796049977057 4.7741e-06 deg
node 294.2714388684764 2.1313e-05 deg
peri 320.7542342706135 2.7122e-05 deg
M 321.1279800180397 1.7867e-05 deg
tp 2459174.047718320763
(2020-Nov-20.54771832)
7.997e-05 TDB
period 1607.253202289694
4.40
1.506e-05
4.123e-08
d
yr
n .2239846213945281 2.0987e-09 deg/d
Q 3.145713105766024 1.965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1263  
   data-arc span      7661 days (20.97 yr)  
   first obs. used      1999-07-12  
   last obs. used      2020-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51019  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:39:55  

Additional Information
 Earth MOID = 1.22717 au 
 Jupiter MOID = 2.04193 au 
 T_jup = 3.311 
[ 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 14.1   n/a MPO436411  
diameter diameter 6.195 km 0.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91433 (1999 RL2)          Discovered 1999-Sep-04 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 RL2 = 2000 XJ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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