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16992 (1999 CU5)
Classification: Main-belt Asteroid          SPK-ID: 2016992
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1393361730537622 4.3865e-08  
a 2.552090465242778 1.0557e-08 au
q 2.196491946528854 1.115e-07 au
i 15.67413222659697 5.4629e-06 deg
node 143.5129712331891 1.525e-05 deg
peri 17.41865646562433 2.4823e-05 deg
M 176.2071613990765 2.0039e-05 deg
tp 2458667.607337153793
(2019-Jul-03.10733715)
8.0858e-05 TDB
period 1489.163984830017
4.08
9.2399e-06
2.53e-08
d
yr
n .241746378281565 1.5e-09 deg/d
Q 2.907688983956702 1.2028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1546  
   data-arc span      25995 days (71.17 yr)  
   first obs. used      1950-03-21  
   last obs. used      2021-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50699  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:17:39  

Additional Information
 Earth MOID = 1.21135 au 
 Jupiter MOID = 2.09381 au 
 T_jup = 3.374 
[ 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 14.07   n/a E2021B10  
rotation period rot_per 17.7634 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

16992 (1999 CU5)          Discovered 1999-Feb-12 by Kobayashi, T. at Oizumi
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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