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JPL Small-Body Database Browser
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85948 (1999 EP13)
Classification: Main-belt Asteroid          SPK-ID: 2085948
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2933919578798136 3.7076e-08  
a 2.640574163775325 1.8044e-08 au
q 1.865850939938431 9.5778e-08 au
i 11.81877296929923 5.7382e-06 deg
node 150.5902432911187 2.1462e-05 deg
peri 95.36593407839365 2.4058e-05 deg
M 193.0467241432187 1.3767e-05 deg
tp 2459327.339340375189
(2021-Apr-22.83934038)
6.4832e-05 TDB
period 1567.277797888385
4.29
1.6065e-05
4.398e-08
d
yr
n .2296976327266506 2.3544e-09 deg/d
Q 3.415297387612219 2.3338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      7244 days (19.83 yr)  
   first obs. used      1999-02-12  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62702  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:51:20  

Additional Information
 Earth MOID = .897268 au 
 Jupiter MOID = 1.80008 au 
 T_jup = 3.304 
[ 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 15.6   n/a MPO229506  

85948 (1999 EP13)          Discovered 1999-Mar-10 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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