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74593 (1999 PS4)
Classification: Main-belt Asteroid          SPK-ID: 2074593
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1568399135658154 3.4185e-08  
a 2.285409443093825 6.223e-09 au
q 1.926966023576491 7.7437e-08 au
i 1.439797883883045 3.4283e-06 deg
node 258.6946073825354 0.00013835 deg
peri 163.0820016227243 0.00013888 deg
M 1.576866180064733 1.0748e-05 deg
tp 2459194.972397671741
(2020-Dec-11.47239767)
3.768e-05 TDB
period 1261.956698247898
3.46
5.1543e-06
1.411e-08
d
yr
n .2852712779288104 1.1652e-09 deg/d
Q 2.643852862611158 7.199e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1095  
   data-arc span      8871 days (24.29 yr)  
   first obs. used      1996-12-08  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50297  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:20:26  

Additional Information
 Earth MOID = .939284 au 
 Jupiter MOID = 2.65931 au 
 T_jup = 3.585 
[ 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 16.23   n/a MPCxxxxx  

74593 (1999 PS4)          Discovered 1999-Aug-15 by Hug, G. at Farpoint
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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