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1503 Kuopio (1938 XD)
Classification: Main-belt Asteroid          SPK-ID: 2001503
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041525362506076 4.8978e-08  
a 2.625309941997493 8.6652e-09 au
q 2.351877253094519 1.2998e-07 au
i 12.36839517204584 5.1508e-06 deg
node 316.9598201417177 1.9051e-05 deg
peri 177.7034567339411 2.9638e-05 deg
M 26.8330598372857 2.1064e-05 deg
tp 2458884.692416347840
(2020-Feb-05.19241635)
9.0949e-05 TDB
period 1553.707641528331
4.25
7.6924e-06
2.106e-08
d
yr
n .2317038227641591 1.1472e-09 deg/d
Q 2.898742630900467 9.5677e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2444  
   data-arc span      31147 days (85.28 yr)  
   first obs. used      1935-03-02  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:32:23  

Additional Information
 Earth MOID = 1.36591 au 
 Jupiter MOID = 2.14302 au 
 T_jup = 3.362 
[ 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 10.5   n/a MPO384761  
diameter diameter 22.985 km 0.964 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.957 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Szekely, P.; Kiss, L.L.; Szabo, Gy.M.; Sarneczky, K.; et al. (2005) Planet. Space Sci. 53, 925-936.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.399   0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1503 Kuopio (1938 XD)          Discovered 1938-Dec-15 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1938 XD = 1935 EF = 1953 LH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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