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JPL Small-Body Database Browser
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47798 (2000 EP45)
Classification: Main-belt Asteroid          SPK-ID: 2047798
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0635543171457093 3.3701e-08  
a 3.068711762911107 2.1431e-08 au
q 2.873681882302286 1.0378e-07 au
i 9.452323753066626 6.0301e-06 deg
node 189.0130732735276 2.3139e-05 deg
peri 94.05733957707643 5.3661e-05 deg
M 111.2702171562925 4.912e-05 deg
tp 2457993.611359222766
(2017-Aug-28.11135922)
0.00026641 TDB
period 1963.507542839814
5.38
2.0569e-05
5.631e-08
d
yr
n .1833453613727061 1.9206e-09 deg/d
Q 3.263741643519928 2.2793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1396  
   data-arc span      8992 days (24.62 yr)  
   first obs. used      1995-04-25  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51836  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:06:26  

Additional Information
 Earth MOID = 1.87772 au 
 Jupiter MOID = 1.85044 au 
 T_jup = 3.208 
[ 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 13.5   n/a MPO279990  
diameter diameter 7.707 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.840 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.118   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47798 (2000 EP45)          Discovered 2000-Mar-09 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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