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66234 (1999 CZ157)
Classification: Main-belt Asteroid          SPK-ID: 2066234
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663408884663307 3.6257e-08  
a 2.172149559050779 5.963e-09 au
q 1.810832271516524 7.8403e-08 au
i 4.220847254825602 4.3225e-06 deg
node 325.6206510439186 3.7672e-05 deg
peri 321.641889244469 3.9232e-05 deg
M 170.602799152029 1.1282e-05 deg
tp 2458646.363617419808
(2019-Jun-11.86361742)
3.6441e-05 TDB
period 1169.319018916558
3.20
4.815e-06
1.318e-08
d
yr
n .3078714997157584 1.2677e-09 deg/d
Q 2.533466846585034 6.9549e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1661  
   data-arc span      8044 days (22.02 yr)  
   first obs. used      1999-02-09  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49056  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:20:25  

Additional Information
 Earth MOID = .794902 au 
 Jupiter MOID = 2.62932 au 
 T_jup = 3.666 
[ 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 15.2   n/a MPO502574  
rotation period rot_per 2.929 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

66234 (1999 CZ157)          Discovered 1999-Feb-09 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CZ157 = 1999 EU3 = 2000 OF47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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