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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156740813672588 3.5981e-08  
a 2.286757262838867 9.7927e-09 au
q 1.928329068789803 8.0763e-08 au
i 1.439544628422712 3.6534e-06 deg
node 258.6993337283641 0.00019551 deg
peri 162.7176700643009 0.0001961 deg
M 190.8707023419125 1.6824e-05 deg
tp 2459193.896352048730
(2020-Dec-10.39635205)
6.0823e-05 TDB
period 1263.073220876275
3.46
8.1133e-06
2.221e-08
d
yr
n .2850191058205199 1.8308e-09 deg/d
Q 2.645185456887932 1.1328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      7823 days (21.42 yr)  
   first obs. used      1996-12-08  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55368  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:17:14  

Additional Information
 Earth MOID = .940905 au 
 Jupiter MOID = 2.65945 au 
 T_jup = 3.584 
[ 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 16.1   n/a MPO280227  

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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