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72887 (2001 KE19)
Classification: Outer Main-belt Asteroid          SPK-ID: 2072887
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565143606463849 5.9656e-08  
a 3.217345083365019 1.9844e-08 au
q 2.713784374663353 1.89e-07 au
i 15.40025434652852 6.8828e-06 deg
node 214.1641569521703 1.3573e-05 deg
peri 155.031820235775 2.0608e-05 deg
M 19.81008019297459 1.2779e-05 deg
tp 2459084.507842485818
(2020-Aug-23.00784249)
7.5049e-05 TDB
period 2107.875197795214
5.77
1.9502e-05
5.339e-08
d
yr
n .1707880999674702 1.5801e-09 deg/d
Q 3.720905792066685 2.295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1145  
   data-arc span      10690 days (29.27 yr)  
   first obs. used      1991-10-10  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:36  

Additional Information
 Earth MOID = 1.72152 au 
 Jupiter MOID = 1.78365 au 
 T_jup = 3.115 
[ 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 14.09   n/a E2021B10  
diameter diameter 10.083 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 0.90 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.040   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72887 (2001 KE19)          Discovered 2001-May-18 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 KE19 = 2002 LW37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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