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91350 (1999 JR53)
Classification: Main-belt Asteroid          SPK-ID: 2091350
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08430290044374406 3.147e-08  
a 2.457763886881875 1.2804e-08 au
q 2.250567262611843 7.4408e-08 au
i 6.594679564151657 3.3827e-06 deg
node 76.78287133022648 4.5576e-05 deg
peri 172.5316677067782 5.6121e-05 deg
M 256.602221438645 3.4405e-05 deg
tp 2459800.719604081585
(2022-Aug-09.21960408)
0.00013518 TDB
period 1407.371217197101
3.85
1.0998e-05
3.011e-08
d
yr
n .2557960512486326 1.999e-09 deg/d
Q 2.664960511151907 1.3884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      892  
   data-arc span      7925 days (21.70 yr)  
   first obs. used      1999-05-10  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:40:22  

Additional Information
 Earth MOID = 1.23674 au 
 Jupiter MOID = 2.3486 au 
 T_jup = 3.478 
[ 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 15.46   n/a MPCxxxxx  
diameter diameter 1.948 km 0.518 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.387   0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91350 (1999 JR53)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 JR53 = 2000 ST255 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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