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JPL Small-Body Database Browser
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59631 (1999 JY77)
Classification: Main-belt Asteroid          SPK-ID: 2059631
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06758613810020785 3.6801e-08  
a 2.410034928155316 8.8629e-09 au
q 2.247149974674687 8.9558e-08 au
i 6.932433214711229 3.315e-06 deg
node 136.0870287997649 3.4251e-05 deg
peri 59.06544919262742 4.3559e-05 deg
M 264.1397454721051 2.8512e-05 deg
tp 2459364.389487268917
(2021-May-29.88948727)
0.00010913 TDB
period 1366.574875708155
3.74
7.5383e-06
2.064e-08
d
yr
n .2634323273457292 1.4532e-09 deg/d
Q 2.572919881635946 9.4619e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1434  
   data-arc span      10569 days (28.94 yr)  
   first obs. used      1991-02-20  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:51:12  

Additional Information
 Earth MOID = 1.25609 au 
 Jupiter MOID = 2.39782 au 
 T_jup = 3.507 
[ 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 14.8   n/a MPO351256  
diameter diameter 2.105 km 0.424 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.276   0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59631 (1999 JY77)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JY77 = 2000 QQ146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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