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74756 (1999 RN199)
Classification: Main-belt Asteroid          SPK-ID: 2074756
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649680440725979 4.8821e-08  
a 2.336218498896886 9.3108e-09 au
q 1.950817102607646 1.128e-07 au
i 4.09178445742237 4.146e-06 deg
node 268.4815727484133 7.0632e-05 deg
peri 112.8867287961569 7.1829e-05 deg
M 276.6675917489563 1.3377e-05 deg
tp 2459302.411771654798
(2021-Mar-28.91177165)		 4.9217e-05 TDB
period 1304.273332270653
3.57		 7.7971e-06
2.135e-08		 d
yr
n .2760157637918302 1.6501e-09 deg/d
Q 2.721619895186125 1.0847e-08 au
   Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      9681 days (26.51 yr)  
   first obs. used      1992-10-31  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51969  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:58  

Additional Information
 Earth MOID = .958223 au 
 Jupiter MOID = 2.75069 au 
 T_jup = 3.546 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO337821  

74756 (1999 RN199)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RN199 = 1992 UD9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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