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91520 (1999 RK183)
Classification: Main-belt Asteroid          SPK-ID: 2091520
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01890049248607231 3.8253e-08  
a 2.912490502652374 1.8099e-08 au
q 2.857442997791236 1.1718e-07 au
i 2.921868146651472 4.5622e-06 deg
node 133.3321295770135 0.00010525 deg
peri 349.4906395898907 0.00019136 deg
M 12.7822785075651 0.00015879 deg
tp 2459332.038415152120
(2021-Apr-27.53841515)
0.00080077 TDB
period 1815.495612265246
4.97
1.6923e-05
4.633e-08
d
yr
n .1982929606482594 1.8484e-09 deg/d
Q 2.967538007513513 1.8441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1054  
   data-arc span      7938 days (21.73 yr)  
   first obs. used      1999-08-12  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48174  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:53:19  

Additional Information
 Earth MOID = 1.87332 au 
 Jupiter MOID = 2.01771 au 
 T_jup = 3.281 
[ 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 14.29   n/a MPCxxxxx  

91520 (1999 RK183)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 RK183 = 2000 YF75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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