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JPL Small-Body Database Browser
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215750 (2004 EK85)
Classification: Main-belt Asteroid          SPK-ID: 2215750
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08960379092537216 8.7814e-08  
a 2.42179974956407 1.8696e-08 au
q 2.204797311141012 2.1606e-07 au
i 4.67008374173342 6.9648e-06 deg
node 121.39687002 6.898e-05 deg
peri 29.16093203928316 7.754e-05 deg
M 25.86012973429072 3.1496e-05 deg
tp 2458501.614191133688
(2019-Jan-18.11419113)
0.00012047 TDB
period 1376.593681379258
3.77
1.594e-05
4.364e-08
d
yr
n .2615150751231862 3.0282e-09 deg/d
Q 2.638802187987127 2.0371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      9476 days (25.94 yr)  
   first obs. used      1993-04-24  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52322  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:49:45  

Additional Information
 Earth MOID = 1.2178 au 
 Jupiter MOID = 2.35396 au 
 T_jup = 3.503 
[ 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 16.8   n/a MPO433412  
rotation period rot_per 5.49 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

215750 (2004 EK85)          Discovered 2004-Mar-15 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2004 EK85 = 2005 NA34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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