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91521 (1999 RY183)
Classification: Main-belt Asteroid          SPK-ID: 2091521
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08459619578537737 3.0513e-08  
a 2.899127590557843 1.6415e-08 au
q 2.653872425300222 9.2465e-08 au
i 3.352547268298605 3.5895e-06 deg
node 73.00299585307509 6.814e-05 deg
peri 16.79293000660918 7.3811e-05 deg
M 62.79219264229792 2.6772e-05 deg
tp 2459082.013093761770
(2020-Aug-20.51309376)
0.00013435 TDB
period 1803.015334895296
4.94
1.5313e-05
4.192e-08
d
yr
n .1996655231004487 1.6957e-09 deg/d
Q 3.144382755815463 1.7803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1004  
   data-arc span      7894 days (21.61 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:40:47  

Additional Information
 Earth MOID = 1.67062 au 
 Jupiter MOID = 2.00664 au 
 T_jup = 3.280 
[ 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 15.01   n/a MPCxxxxx  

91521 (1999 RY183)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 RY183 = 2000 WK123 = 2000 YP89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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