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(2002 UK11)
Classification: Apollo [NEO, PHA]          SPK-ID: 3141522
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5755983974316187 1.0772e-07  
a 1.322956603830616 7.7775e-09 au
q .5614649027941365 1.3933e-07 au
i 5.367910497158497 8.9705e-06 deg
node 69.25389479924775 4.8928e-05 deg
peri 84.41655108917192 4.0935e-05 deg
M 281.1039116860405 1.447e-05 deg
tp 2459322.306312333317
(2021-Apr-17.80631233)
2.2856e-05 TDB
period 555.7978016032453
1.52
4.9012e-06
1.342e-08
d
yr
n .6477175673627169 5.7118e-09 deg/d
Q 2.084448304867095 1.2254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      6801 days (18.62 yr)  
   first obs. used      2002-10-28  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51767  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-11 05:49:54  

Additional Information
 Earth MOID = .0122272 au 
 Jupiter MOID = 2.92535 au 
 T_jup = 4.754 
[ 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 21.9   n/a E2018M78  
rotation period rot_per 8. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Hergenrother, C.W.; Whitely, R.J. (2011) Icarus 214, 194-209.]

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