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JPL Small-Body Database Browser
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266398 (2007 EC183)
Classification: Main-belt Asteroid          SPK-ID: 2266398
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09925521616076921 6.3113e-08  
a 2.598134054598641 3.3358e-08 au
q 2.340255697394797 1.7202e-07 au
i 3.888508690437189 8.6662e-06 deg
node 136.2377678407701 8.6456e-05 deg
peri 307.1722470281774 9.5822e-05 deg
M 127.68872554957 4.4789e-05 deg
tp 2458457.948696142493
(2018-Dec-05.44869614)
0.00018548 TDB
period 1529.64538214361
4.19
2.946e-05
8.066e-08
d
yr
n .2353486659081101 4.5326e-09 deg/d
Q 2.856012411802485 3.6669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      6208 days (17.00 yr)  
   first obs. used      2001-12-14  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:14:12  

Additional Information
 Earth MOID = 1.35882 au 
 Jupiter MOID = 2.31951 au 
 T_jup = 3.406 
[ 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 17.1   n/a MPO334524  
rotation period rot_per 6.58 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

266398 (2007 EC183)          Discovered 2007-Mar-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1954-May-30 17:41 00:26 Psych 0.0195242385929906 0.0195221225893378 0.0195263546772224 1.67279888208096 1.67279851162603 2434893.236972521 26.1200813674964 1266.93449360081 104.843379458158 89.7176957440773 27715.7596064084 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 09:14:14 2019-Jul-14 09:14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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