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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387020000081725 4.3933e-08  
a 2.55271787731207 1.0349e-08 au
q 2.198650802272269 1.1161e-07 au
i 15.66673465082345 5.4754e-06 deg
node 143.5165949097288 1.5424e-05 deg
peri 17.16116066642238 2.5266e-05 deg
M 129.1902480878488 2.0228e-05 deg
tp 2458665.898850658095
(2019-Jul-01.39885066)
8.2178e-05 TDB
period 1489.713168072997
4.08
9.0594e-06
2.48e-08
d
yr
n .2416572584007391 1.4696e-09 deg/d
Q 2.906784952351871 1.1785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1542  
   data-arc span      25738 days (70.47 yr)  
   first obs. used      1950-03-21  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50689  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:50:29  

Additional Information
 Earth MOID = 1.21247 au 
 Jupiter MOID = 2.09522 au 
 T_jup = 3.374 
[ 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 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

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