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74780 (1999 RL241)
Classification: Main-belt Asteroid          SPK-ID: 2074780
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1184365233662157 3.4981e-08  
a 2.282276532287381 8.9195e-09 au
q 2.011971634442961 7.7812e-08 au
i 2.690990087904813 5.128e-06 deg
node 195.5734058801383 8.3238e-05 deg
peri 254.7112863095545 8.6522e-05 deg
M 282.7812928310938 2.3125e-05 deg
tp 2459270.628775054750
(2021-Feb-25.12877505)
8.1318e-05 TDB
period 1259.362693123
3.45
7.3827e-06
2.021e-08
d
yr
n .2858588728774098 1.6758e-09 deg/d
Q 2.552581430131801 9.9759e-09 au
  Orbit Determination Parameters
   # obs. used (total)      700  
   data-arc span      8884 days (24.32 yr)  
   first obs. used      1994-03-07  
   last obs. used      2018-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55769  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:08:20  

Additional Information
 Earth MOID = 1.03047 au 
 Jupiter MOID = 2.60967 au 
 T_jup = 3.594 
[ 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 16.0   n/a MPO337822  

74780 (1999 RL241)          Discovered 1999-Sep-14 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RL241 = 1999 VK228 = 2001 FV14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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