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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2078746167292396 4.1953e-08  
a 3.178903194292824 2.0948e-08 au
q 2.518089911159848 1.3586e-07 au
i 18.9227579832906 4.575e-06 deg
node 137.5819746647426 1.5028e-05 deg
peri 260.4772489670012 1.865e-05 deg
M 211.8590090078343 1.2728e-05 deg
tp 2459852.397072394116
(2022-Sep-29.89707239)
7.8248e-05 TDB
period 2070.209899420076
5.67
2.0463e-05
5.602e-08
d
yr
n .1738954103643529 1.7189e-09 deg/d
Q 3.8397164774258 2.5303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1054  
   data-arc span      7579 days (20.75 yr)  
   first obs. used      1999-09-11  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:44:18  

Additional Information
 Earth MOID = 1.60619 au 
 Jupiter MOID = 2.00634 au 
 T_jup = 3.083 
[ 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 13.7   n/a MPO395559  
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

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