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101991 (1999 RK67)
Classification: Main-belt Asteroid          SPK-ID: 2101991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2173886303234374 5.0584e-08  
a 2.413478863339694 1.1543e-08 au
q 1.888815998923711 1.1999e-07 au
i 10.39572460183278 5.3544e-06 deg
node 171.1767538002183 1.8239e-05 deg
peri 161.5045944369964 2.0438e-05 deg
M 197.0795264997399 9.6439e-06 deg
tp 2459620.278974849692
(2022-Feb-09.77897485)
3.9536e-05 TDB
period 1369.505171156606
3.75
9.8251e-06
2.69e-08
d
yr
n .2628686678824034 1.8859e-09 deg/d
Q 2.938141727755677 1.4053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      8037 days (22.00 yr)  
   first obs. used      1998-03-21  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51483  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:19  

Additional Information
 Earth MOID = .882244 au 
 Jupiter MOID = 2.46886 au 
 T_jup = 3.464 
[ 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 16.3   n/a MPO417515  

101991 (1999 RK67)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 RK67 = 2002 GY117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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