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74785 (1999 RE255)
Classification: Main-belt Asteroid          SPK-ID: 2074785
[ 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 .05297721047865969 4.0767e-08  
a 2.370108884901442 1.0679e-08 au
q 2.244547127648677 9.7391e-08 au
i 5.934700351149806 4.3604e-06 deg
node 295.8221775109472 3.5343e-05 deg
peri 210.4828008342536 4.9094e-05 deg
M 107.6747754242016 3.4647e-05 deg
tp 2458601.877004620899
(2019-Apr-28.37700462)		 0.00012794 TDB
period 1332.756699710946
3.65		 9.0075e-06
2.466e-08		 d
yr
n .2701168188297822 1.8256e-09 deg/d
Q 2.495670642154208 1.1245e-08 au
   Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      7149 days (19.57 yr)  
   first obs. used      1999-09-06  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52788  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:46:29  

Additional Information
 Earth MOID = 1.25908 au 
 Jupiter MOID = 2.51562 au 
 T_jup = 3.536 
[ 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 15.6   n/a MPO267935  

74785 (1999 RE255)          Discovered 1999-Sep-06 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 RE255 = 1999 SB26 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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