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39819 (1997 YE10)
Classification: Main-belt Asteroid          SPK-ID: 2039819
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028554243255798 3.5146e-08  
a 2.57737880757131 1.1936e-08 au
q 2.312281416670806 8.9446e-08 au
i 12.61151260833174 4.7449e-06 deg
node 305.2813719590866 2.4663e-05 deg
peri 158.1450188327811 4.2149e-05 deg
M 157.3209934253251 3.3096e-05 deg
tp 2458340.034729167848
(2018-Aug-09.53472917)
0.00013861 TDB
period 1511.352632110316
4.14
1.0499e-05
2.874e-08
d
yr
n .2381972230380996 1.6546e-09 deg/d
Q 2.842476198471814 1.3163e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1223  
   data-arc span      9218 days (25.24 yr)  
   first obs. used      1994-02-11  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46561  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:11:19  

Additional Information
 Earth MOID = 1.33322 au 
 Jupiter MOID = 2.2739 au 
 T_jup = 3.385 
[ 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 14.2   n/a MPO474255  
diameter diameter 3.820 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.641 h n/a LCDB (Rev. 2019-August); 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 0.333   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39819 (1997 YE10)          Discovered 1997-Dec-28 by Kobayashi, T. at Oizumi
Reference: 20020526/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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