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669 Kypria (A908 QF)
Classification: Main-belt Asteroid          SPK-ID: 2000669
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07603000931288242 3.4023e-08  
a 3.013448774048929 1.2867e-08 au
q 2.784336235694095 1.0083e-07 au
i 10.79061054163402 4.3881e-06 deg
node 170.7305299380868 2.0701e-05 deg
peri 115.8846085243871 3.6268e-05 deg
M 180.6177653544707 3.0334e-05 deg
tp 2459952.574812507906
(2023-Jan-08.07481251)
0.00016181 TDB
period 1910.707229063881
5.23
1.2238e-05
3.351e-08
d
yr
n .1884119107961799 1.2068e-09 deg/d
Q 3.242561312403764 1.3846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2923  
   data-arc span      41878 days (114.66 yr)  
   first obs. used      1906-01-25  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41145  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 15:29:03  

Additional Information
 Earth MOID = 1.78951 au 
 Jupiter MOID = 1.94885 au 
 T_jup = 3.217 
[ 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 10.1   n/a MPO502159 IRAS observations used: 4
diameter diameter 29.227 km 0.405 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 14.283 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Bennefeld, C.S.; Sada, P.V. (2008) Minor Planet Bull. 35, 87-88.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.112   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.820   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=9.57 deg.
U-B UB 0.470   0.026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=9.57 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

669 Kypria (A908 QF)          Discovered 1908-Aug-20 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A908 QF = A906 BK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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