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JPL Small-Body Database Browser
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91457 (1999 RL65)
Classification: Main-belt Asteroid          SPK-ID: 2091457
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08688992924204106 4.0545e-08  
a 2.813471318661363 2.2416e-08 au
q 2.569008994858366 1.1233e-07 au
i 3.246502924820969 4.183e-06 deg
node 244.9769135916019 9.0145e-05 deg
peri 53.10924779207274 9.4648e-05 deg
M 178.5781110897782 2.9095e-05 deg
tp 2458145.457131124182
(2018-Jan-26.95713112)
0.00013972 TDB
period 1723.701919103309
4.72
2.06e-05
5.64e-08
d
yr
n .2088528161454252 2.496e-09 deg/d
Q 3.057933642464361 2.4364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      9786 days (26.79 yr)  
   first obs. used      1993-03-21  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57088  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:03:09  

Additional Information
 Earth MOID = 1.55484 au 
 Jupiter MOID = 2.09558 au 
 T_jup = 3.312 
[ 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 MPO412707  

91457 (1999 RL65)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RL65 = 1993 FF75 = 1997 EC27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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