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22772 (1999 CU17)
Classification: Main-belt Asteroid          SPK-ID: 2022772
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 .08230646133110553 3.8174e-08  
a 2.908372862419287 1.1992e-08 au
q 2.668994983882137 1.1278e-07 au
i 1.096731669151252 2.9063e-06 deg
node 301.8507822594309 0.00022816 deg
peri 113.1291126058902 0.00022906 deg
M 208.2451398411454 2.1448e-05 deg
tp 2459964.183944915154
(2023-Jan-19.68394492)
0.00010999 TDB
period 1811.646888156775
4.96
1.1205e-05
3.068e-08
d
yr
n .1987142209408562 1.2291e-09 deg/d
Q 3.147750740956437 1.2979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2335  
   data-arc span      15657 days (42.87 yr)  
   first obs. used      1977-09-09  
   last obs. used      2020-07-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:11:56  

Additional Information
 Earth MOID = 1.67989 au 
 Jupiter MOID = 2.12616 au 
 T_jup = 3.279 
[ 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 13.46   n/a E2021B10  
diameter diameter 5.806 km 0.379 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.883 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.198   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22772 (1999 CU17)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CU17 = 1977 RC12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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