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129621 (1998 ES5)
Classification: Main-belt Asteroid          SPK-ID: 2129621
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 .1868655917906689 2.7696e-08  
a 2.443782321390608 1.1158e-08 au
q 1.987123491696378 6.873e-08 au
i 3.059784074218485 3.2239e-06 deg
node 129.2923732551378 7.8018e-05 deg
peri 188.9751295122863 7.8891e-05 deg
M 141.1251975759106 1.4448e-05 deg
tp 2458453.491257854560
(2018-Nov-30.99125785)
5.3888e-05 TDB
period 1395.379071596584
3.82
9.5563e-06
2.616e-08
d
yr
n .2579944097829203 1.7669e-09 deg/d
Q 2.900441151084839 1.3242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      895  
   data-arc span      8009 days (21.93 yr)  
   first obs. used      1998-02-23  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:05:15  

Additional Information
 Earth MOID = .973941 au 
 Jupiter MOID = 2.39933 au 
 T_jup = 3.474 
[ 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 MPO449742  

129621 (1998 ES5)          Discovered 1998-Mar-02 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1998 ES5 = 2002 EX95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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