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78912 (2003 SK99)
Classification: Main-belt Asteroid          SPK-ID: 2078912
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1639317603752492 5.0149e-08  
a 3.194563229671147 2.4133e-08 au
q 2.670872855801115 1.6596e-07 au
i 16.91090321843479 8.9946e-06 deg
node 317.4328513325238 1.4236e-05 deg
peri 131.5737384078691 3.1955e-05 deg
M 255.3564887485443 2.6983e-05 deg
tp 2459606.713303135127
(2022-Jan-27.21330314)
0.00015768 TDB
period 2085.526245427948
5.71
2.3633e-05
6.47e-08
d
yr
n .1726183023537679 1.9561e-09 deg/d
Q 3.71825360354118 2.809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1091  
   data-arc span      8021 days (21.96 yr)  
   first obs. used      1998-11-16  
   last obs. used      2020-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50301  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:04  

Additional Information
 Earth MOID = 1.71891 au 
 Jupiter MOID = 1.53074 au 
 T_jup = 3.108 
[ 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 13.6   n/a MPO445709  

78912 (2003 SK99)          Discovered 2003-Sep-19 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 SK99 = 2000 GH167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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