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59977 (1999 SD5)
Classification: Main-belt Asteroid          SPK-ID: 2059977
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2072071618231317 3.8718e-08  
a 3.183380612296594 1.9835e-08 au
q 2.523761350619834 1.2838e-07 au
i 18.92519962947352 4.3223e-06 deg
node 137.569947172472 1.3537e-05 deg
peri 260.1074362181932 1.728e-05 deg
M 281.05852633901 1.2922e-05 deg
tp 2459851.418926875216
(2022-Sep-28.91892688)
7.7176e-05 TDB
period 2074.585209523488
5.68
1.9389e-05
5.308e-08
d
yr
n .1735286641143501 1.6218e-09 deg/d
Q 3.842999873973354 2.3945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1139  
   data-arc span      7968 days (21.82 yr)  
   first obs. used      1999-09-11  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51301  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:14:53  

Additional Information
 Earth MOID = 1.61072 au 
 Jupiter MOID = 2.00676 au 
 T_jup = 3.082 
[ 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 13.77   n/a E2021B10  
diameter diameter 9.561 km 0.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59977 (1999 SD5)          Discovered 1999-Sep-30 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 SD5 = 2000 YU136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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