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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08437845638398556 3.5177e-08  
a 2.898728568026227 1.9706e-08 au
q 2.654138325980013 1.1065e-07 au
i 3.35294170315881 4.0678e-06 deg
node 73.00974539602444 7.6045e-05 deg
peri 16.92771514733772 8.1695e-05 deg
M 343.6059346142681 2.9308e-05 deg
tp 2459082.590691685346
(2020-Aug-21.09069169)
0.00014687 TDB
period 1802.643109648975
4.94
1.8382e-05
5.033e-08
d
yr
n .1997067517541518 2.0365e-09 deg/d
Q 3.143318810072441 2.1369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      7427 days (20.33 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52768  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:32:47  

Additional Information
 Earth MOID = 1.67087 au 
 Jupiter MOID = 2.00741 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 14.9   n/a MPO453355  

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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