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67539 (2000 SK4)
Classification: Main-belt Asteroid          SPK-ID: 2067539
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872406516575716 4.6361e-08  
a 2.234687345849246 5.7158e-09 au
q 1.816263030961504 1.0388e-07 au
i 2.559232826934588 2.9105e-06 deg
node 106.0367317563734 0.00010705 deg
peri 259.4807461799695 0.00010733 deg
M 24.42212959824055 7.3474e-06 deg
tp 2459117.723966415888
(2020-Sep-25.22396642)
2.4917e-05 TDB
period 1220.179099058872
3.34
4.6814e-06
1.282e-08
d
yr
n .2950386547988481 1.132e-09 deg/d
Q 2.653111660736987 6.7861e-09 au
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      11041 days (30.23 yr)  
   first obs. used      1990-10-21  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49441  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:30:37  

Additional Information
 Earth MOID = .815006 au 
 Jupiter MOID = 2.80736 au 
 T_jup = 3.615 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.65   n/a E2021B10  
rotation period rot_per 3.39 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

67539 (2000 SK4)          Discovered 2000-Sep-22 by Nomen, J. at Ametlla de Mar
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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