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74750 (1999 RA196)
Classification: Main-belt Asteroid          SPK-ID: 2074750
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1625836020865546 3.1324e-08  
a 2.215236972589151 8.8278e-09 au
q 1.855075766110293 6.7888e-08 au
i 5.980683748476807 3.9643e-06 deg
node 278.4972098240162 4.5802e-05 deg
peri 17.08406047705152 4.8715e-05 deg
M 141.3571055333581 1.7369e-05 deg
tp 2458527.627719354986
(2019-Feb-13.12771935)
5.7889e-05 TDB
period 1204.283437962956
3.30
7.1987e-06
1.971e-08
d
yr
n .2989329493802054 1.7869e-09 deg/d
Q 2.57539817906801 1.0263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1164  
   data-arc span      8088 days (22.14 yr)  
   first obs. used      1997-12-04  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:21:34  

Additional Information
 Earth MOID = .839963 au 
 Jupiter MOID = 2.60878 au 
 T_jup = 3.629 
[ 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 15.2   n/a MPO337821  

74750 (1999 RA196)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RA196 = 1997 XT1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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