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74652 (1999 RE85)
Classification: Main-belt Asteroid          SPK-ID: 2074652
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814671306735509 5.3519e-08  
a 2.388917437047839 1.407e-08 au
q 1.955407444330755 1.2456e-07 au
i 1.193053792940098 5.638e-06 deg
node 178.066999454167 0.00021158 deg
peri 178.4744722880005 0.00021201 deg
M 216.8026116408692 1.5796e-05 deg
tp 2459536.954304132405
(2021-Nov-18.45430413)
6.2393e-05 TDB
period 1348.65273522533
3.69
1.1915e-05
3.262e-08
d
yr
n .2669330588944024 2.3583e-09 deg/d
Q 2.822427429764923 1.6623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      7560 days (20.70 yr)  
   first obs. used      1999-09-04  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:52  

Additional Information
 Earth MOID = .951094 au 
 Jupiter MOID = 2.62128 au 
 T_jup = 3.510 
[ 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 16.7   n/a MPO263909  

74652 (1999 RE85)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RE85 = 2002 KT2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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