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27377 (2000 EY54)
Classification: Main-belt Asteroid          SPK-ID: 2027377
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07196501083685859 3.0675e-08  
a 2.327941613454575 7.7992e-09 au
q 2.160411270014742 7.3351e-08 au
i 6.894836878382471 3.8243e-06 deg
node 145.4421137699088 3.0403e-05 deg
peri 299.1831985910961 4.6123e-05 deg
M 239.8785876411895 3.656e-05 deg
tp 2459033.386937968840
(2020-Jul-02.88693797)
0.00013282 TDB
period 1297.34819636719
3.55
6.5197e-06
1.785e-08
d
yr
n .2774891127979869 1.3945e-09 deg/d
Q 2.495471956894408 8.3605e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1001  
   data-arc span      8664 days (23.72 yr)  
   first obs. used      1996-02-10  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:59:19  

Additional Information
 Earth MOID = 1.18633 au 
 Jupiter MOID = 2.62839 au 
 T_jup = 3.560 
[ 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 15.3   n/a MPO435954  
diameter diameter 1.862 km 0.376 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.182 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.]
geometric albedo albedo 0.465   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27377 (2000 EY54)          Discovered 2000-Mar-10 by Spacewatch at Kitt Peak
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 EY54 = 1998 UJ29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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