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JPL Small-Body Database Browser
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35797 (1999 JY31)
Classification: Main-belt Asteroid          SPK-ID: 2035797
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1561931445641404 3.5665e-08  
a 2.425071581472667 7.8292e-09 au
q 2.046292025369318 8.8391e-08 au
i 2.405816034623685 3.9276e-06 deg
node 146.1587398437437 8.0567e-05 deg
peri 245.8455789206174 8.1497e-05 deg
M 45.21755822719371 1.1143e-05 deg
tp 2458827.243364672864
(2019-Dec-09.74336467)
4.2727e-05 TDB
period 1379.384273789871
3.78
6.6799e-06
1.829e-08
d
yr
n .2609860115418721 1.2639e-09 deg/d
Q 2.803851137576016 9.052e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1707  
   data-arc span      10523 days (28.81 yr)  
   first obs. used      1991-04-06  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51732  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:56:54  

Additional Information
 Earth MOID = 1.05343 au 
 Jupiter MOID = 2.62689 au 
 T_jup = 3.493 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO436016  
diameter diameter 3.050 km 0.279 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.52 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
geometric albedo albedo 0.362   0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35797 (1999 JY31)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JY31 = 2000 QY76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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