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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07605334957450716 3.42e-08  
a 3.012865003171084 1.3089e-08 au
q 2.783726527864115 1.0161e-07 au
i 10.79095379408919 4.6784e-06 deg
node 170.7479060470542 2.0768e-05 deg
peri 115.6323390787312 3.7625e-05 deg
M 105.506997423172 3.1483e-05 deg
tp 2458040.682205329386
(2017-Oct-14.18220533)
0.00016695 TDB
period 1910.15203733927
5.23
1.2447e-05
3.408e-08
d
yr
n .1884666733133238 1.2281e-09 deg/d
Q 3.242003478478053 1.4084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2703  
   data-arc span      41587 days (113.86 yr)  
   first obs. used      1906-01-25  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:46:47  

Additional Information
 Earth MOID = 1.78831 au 
 Jupiter MOID = 1.94909 au 
 T_jup = 3.218 
[ 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-January); 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1941-Jan-20 23:51 00:01 Jupiter 1.94729157744074 1.9472911319833 1.94729202289852 3.5308338290312 3.40541307091971 2430015.493625076 1.43241955576605 89.0526659767739 16.3464687444855 80.3363322286288 2841033.68954977 T 38 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:04 2019-Dec-13 20:47
1987-Sep-27 15:48 < 00:01 Jupiter 1.9667451580687 1.96674475935866 1.96674555677863 4.32099795282607 4.22015152046794 2447066.158147200 0.491764275193924 49.9977215099084 17.8219377150096 88.1936403942075 3485200.18998053 T 38 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:04 2019-Dec-13 20:47
2071-Dec-04 19:20 00:01 Jupiter 1.97548235865081 1.9754819233392 1.97548279396253 3.13280080597414 2.99280904966565 2477815.305820765 1.25429370351126 65.7380342569959 14.6820551402594 77.8074962148168 2633600.72749501 T 38 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:04 2019-Dec-13 20:47
2118-Aug-02 08:33 00:02 Jupiter 1.9654275524306 1.96542711371918 1.96542799114236 3.96635160530346 3.85616690074486 2494856.856402347 2.07128685672202 145.945096888764 17.7894285222863 -89.7720535358964 2976295.81415829 T 38 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:04 2019-Dec-13 20:47

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