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JPL Small-Body Database Browser
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312645 (2010 EP65)
Classification: TransNeptunian Object          SPK-ID: 2312645
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3064842265353788 2.4562e-05  
a 47.67946394752832 0.0019823 au
q 33.06646031794862 0.00020655 au
i 18.88515377573371 6.8218e-05 deg
node 205.0391080397925 4.0568e-05 deg
peri 352.7884854775969 0.0012565 deg
M 5.32057241408192 0.00054812 deg
tp 2457223.238510126457
(2015-Jul-19.73851013)
0.21206 TDB
period 120252.8762997537
329.23
7.4994
0.02053
d
yr
n .0029936913866628 1.867e-07 deg/d
Q 62.29246757710802 0.0025899 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      13175 days (36.07 yr)  
   first obs. used      1983-04-14  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .45306  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:11:21  

Additional Information
 Earth MOID = 32.0656 au 
 Jupiter MOID = 27.617 au 
 T_jup = 5.562 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.3   n/a MPO440462  
rotation period rot_per 14.97 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:
[Benecchi, S.D.; Sheppard, S.S. (2013) Astron. J. 145, A124.]

312645 (2010 EP65)          Discovered 2010-Mar-09 by Rabinowitz, D., Tourtellotte, S. at La Silla
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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