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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2932656614356481 3.6094e-08  
a 2.639748432217461 1.2204e-08 au
q 1.865600862219492 9.2794e-08 au
i 11.82185594396534 4.9188e-06 deg
node 150.5772132446986 2.0211e-05 deg
peri 95.47679960864427 2.1757e-05 deg
M 15.81193968548781 8.008e-06 deg
tp 2459327.694225766704
(2021-Apr-23.19422577)
3.4733e-05 TDB
period 1566.542702330215
4.29
1.0864e-05
2.974e-08
d
yr
n .2298054176656047 1.5937e-09 deg/d
Q 3.41389600221543 1.5784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      8211 days (22.48 yr)  
   first obs. used      1999-02-12  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54376  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:54:26  

Additional Information
 Earth MOID = .897387 au 
 Jupiter MOID = 1.79964 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 15.58   n/a MPO637178  

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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