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152588 (1995 EY4)
Classification: Main-belt Asteroid          SPK-ID: 2152588
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09593907255311104 4.7804e-08  
a 2.55123971646913 1.5221e-08 au
q 2.306476144210419 1.2936e-07 au
i 2.221537242063496 5.202e-06 deg
node 42.0060761729199 0.00010175 deg
peri 301.2912522466003 0.00010479 deg
M 306.3124928658788 2.5207e-05 deg
tp 2459422.470911663830
(2021-Jul-26.97091166)
0.00010436 TDB
period 1488.419419425641
4.08
1.332e-05
3.647e-08
d
yr
n .2418673092419869 2.1646e-09 deg/d
Q 2.79600328872784 1.6682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      10680 days (29.24 yr)  
   first obs. used      1991-03-15  
   last obs. used      2020-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:27:47  

Additional Information
 Earth MOID = 1.29767 au 
 Jupiter MOID = 2.53812 au 
 T_jup = 3.432 
[ 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 16.46   n/a E2021B55  
rotation period rot_per 3.73 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:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

152588 (1995 EY4)          Discovered 1995-Mar-02 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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