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(1999 SK10)
Classification: Apollo [NEO]          SPK-ID: 3024683
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 121 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4419100196936335 1.9609e-08  
a 1.76399908531069 6.1044e-09 au
q .9844702147814914 3.5323e-08 au
i 6.961023246845408 4.4271e-06 deg
node 197.670919336591 1.8183e-05 deg
peri 269.4423481416175 2.0611e-05 deg
M 340.9595221071467 6.9144e-06 deg
tp 2459245.760703908344
(2021-Jan-31.26070391)
1.6627e-05 TDB
period 855.7481329352421
2.34
4.442e-06
1.216e-08
d
yr
n .4206845287119576 2.1837e-09 deg/d
Q 2.543527955839888 8.802e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -4.712408701621615E-14 1.34E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      7860 days (21.52 yr)  
   first obs. used      1999-09-30  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:51:05  

Additional Information
 Earth MOID = .112863 au 
 Jupiter MOID = 2.65225 au 
 T_jup = 3.987 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.7   n/a E2014D50  
SMASSII spectral type spec_B Sq   n/a Binzel et al. (2001) Icarus 151, 139-149  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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