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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .155983501493429 3.6008e-08  
a 2.424664493755269 1.0854e-08 au
q 2.04645683607253 8.9604e-08 au
i 2.405810634761735 4.679e-06 deg
node 146.1628296815942 9.1617e-05 deg
peri 245.8156023147882 9.2902e-05 deg
M 300.8259333297291 1.7542e-05 deg
tp 2458827.175625070604
(2019-Dec-09.67562507)
6.792e-05 TDB
period 1379.036960229999
3.78
9.2599e-06
2.535e-08
d
yr
n .2610517414558333 1.7529e-09 deg/d
Q 2.802872151438008 1.2547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1369  
   data-arc span      9960 days (27.27 yr)  
   first obs. used      1991-04-06  
   last obs. used      2018-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52167  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 19:16:49  

Additional Information
 Earth MOID = 1.05291 au 
 Jupiter MOID = 2.62617 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-January); 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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