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27371 (2000 ER40)
Classification: Main-belt Asteroid          SPK-ID: 2027371
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1371033014960979 3.4598e-08  
a 3.160179195874514 1.994e-08 au
q 2.726908194800834 1.0596e-07 au
i 2.391740041035552 4.005e-06 deg
node 69.48070047539827 0.00011366 deg
peri 211.4306546612389 0.00011505 deg
M 66.57621324991548 1.899e-05 deg
tp 2458221.025515046910
(2018-Apr-12.52551505)
0.00010749 TDB
period 2051.946302056852
5.62
1.9421e-05
5.317e-08
d
yr
n .1754431875917705 1.6605e-09 deg/d
Q 3.593450196948193 2.2674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1404  
   data-arc span      9417 days (25.78 yr)  
   first obs. used      1994-02-12  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .541  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:03:38  

Additional Information
 Earth MOID = 1.71025 au 
 Jupiter MOID = 1.54157 au 
 T_jup = 3.189 
[ 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 13.8   n/a MPO365576  
diameter diameter 8.989 km 0.473 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.435 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 0.087   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27371 (2000 ER40)          Discovered 2000-Mar-08 by LINEAR at Socorro
Reference: 20010804/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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