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74199 (1998 RA52)
Classification: Main-belt Asteroid          SPK-ID: 2074199
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1717959703736685 4.7609e-08  
a 2.560889305875316 9.1322e-09 au
q 2.120938842552916 1.2555e-07 au
i 4.220691999882589 4.3336e-06 deg
node 54.97375421570206 5.1783e-05 deg
peri 47.90954672790577 5.2998e-05 deg
M 19.28668000082957 1.0222e-05 deg
tp 2458920.306418319449
(2020-Mar-11.80641832)
4.2426e-05 TDB
period 1496.871903497998
4.10
8.0068e-06
2.192e-08
d
yr
n .2405015413534893 1.2864e-09 deg/d
Q 3.000839769197716 1.0701e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1016  
   data-arc span      15039 days (41.17 yr)  
   first obs. used      1978-11-30  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53611  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:12:27  

Additional Information
 Earth MOID = 1.14052 au 
 Jupiter MOID = 2.1555 au 
 T_jup = 3.410 
[ 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 15.0   n/a MPO313948  

74199 (1998 RA52)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RA52 = 1978 WK19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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