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JPL Small-Body Database Browser
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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01872812318744465 4.0877e-08  
a 2.911548952385842 1.9232e-08 au
q 2.857021104939285 1.2263e-07 au
i 2.921673495158648 5.1893e-06 deg
node 133.3360428750062 0.00011984 deg
peri 350.5272167794677 0.00021798 deg
M 293.2240877006357 0.000182 deg
tp 2459337.090536100542
(2021-May-02.59053610)
0.00091784 TDB
period 1814.615312973398
4.97
1.7979e-05
4.922e-08
d
yr
n .1983891557765542 1.9656e-09 deg/d
Q 2.9660767998324 1.9592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      922  
   data-arc span      7414 days (20.30 yr)  
   first obs. used      1999-08-12  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50211  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:17:01  

Additional Information
 Earth MOID = 1.87216 au 
 Jupiter MOID = 2.01986 au 
 T_jup = 3.281 
[ 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 14.2   n/a MPO412707  

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

[ show close-approach data ]
Alternate Designations
 1999 RK183 = 2000 YF75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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