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JPL Small-Body Database Browser
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1709 Ukraina (1925 QA)
Classification: Main-belt Asteroid          SPK-ID: 2001709
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2140980045237776 3.7094e-08  
a 2.378420478781692 6.3117e-09 au
q 1.869205400356044 8.7084e-08 au
i 7.556963268981742 3.4768e-06 deg
node 300.067647617837 2.8915e-05 deg
peri 42.4509137058568 3.0015e-05 deg
M 291.4704302358043 1.0408e-05 deg
tp 2459255.539169075011
(2021-Feb-10.03916907)
3.9305e-05 TDB
period 1339.773490230979
3.67
5.3331e-06
1.46e-08
d
yr
n .2687021370589558 1.0696e-09 deg/d
Q 2.887635557207341 7.663e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2664  
   data-arc span      34586 days (94.69 yr)  
   first obs. used      1925-08-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:28:59  

Additional Information
 Earth MOID = .868419 au 
 Jupiter MOID = 2.53105 au 
 T_jup = 3.497 
[ 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 12.4   n/a MPO473787  
diameter diameter 9.444 km 1.398 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 7.28 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Behrend, R. (2013) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.196   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.990   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.29 deg.

1709 Ukraina (1925 QA)          Discovered 1925-Aug-16 by Shajn, G. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1925 QA = 1936 QH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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