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74775 (1999 RB237)
Classification: Main-belt Asteroid          SPK-ID: 2074775
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 .1817277233348978 3.6994e-08  
a 2.327611514629912 8.0487e-09 au
q 1.904619973268125 8.7047e-08 au
i 5.793118972620411 4.0606e-06 deg
node 96.42448833225774 4.2402e-05 deg
peri 208.0023400738793 4.4023e-05 deg
M 339.0427545725725 1.0971e-05 deg
tp 2459076.008504865600
(2020-Aug-14.50850487)
3.9552e-05 TDB
period 1297.07226294351
3.55
6.7278e-06
1.842e-08
d
yr
n .2775481446060949 1.4396e-09 deg/d
Q 2.750603055991699 9.5114e-09 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      10157 days (27.81 yr)  
   first obs. used      1992-12-02  
   last obs. used      2020-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57522  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:26  

Additional Information
 Earth MOID = .891547 au 
 Jupiter MOID = 2.48151 au 
 T_jup = 3.544 
[ 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 15.9   n/a MPO436306  

74775 (1999 RB237)          Discovered 1999-Sep-08 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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