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85949 (1999 EX14)
Classification: Main-belt Asteroid          SPK-ID: 2085949
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08363129779837182 3.9577e-08  
a 2.616188044822426 1.1993e-08 au
q 2.397392843349342 1.0642e-07 au
i 11.98553889166486 4.4143e-06 deg
node 169.0200991105693 1.9782e-05 deg
peri 179.0856376511251 3.4073e-05 deg
M 283.1305572616766 3.0134e-05 deg
tp 2459726.529752637740
(2022-May-27.02975264)
0.00013033 TDB
period 1545.616915085989
4.23
1.0628e-05
2.91e-08
d
yr
n .2329167056119929 1.6016e-09 deg/d
Q 2.83498324629551 1.2996e-08 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      8211 days (22.48 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:10:46  

Additional Information
 Earth MOID = 1.38999 au 
 Jupiter MOID = 2.54534 au 
 T_jup = 3.371 
[ 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 15.50   n/a MPO637178  
rotation period rot_per 80.5767 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

85949 (1999 EX14)          Discovered 1999-Mar-10 by Comba, P. G. at Prescott
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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