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JPL Small-Body Database Browser
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2544 Gubarev (1980 PS)
Classification: Main-belt Asteroid          SPK-ID: 2002544
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2403742444583391 4.6422e-08  
a 2.373747522352196 9.6776e-09 au
q 1.803159755131932 1.1085e-07 au
i 22.51209801741873 5.7353e-06 deg
node 305.4837984726467 1.2264e-05 deg
peri 262.1269737404753 1.6062e-05 deg
M 291.9522929785482 1.2553e-05 deg
tp 2458852.999898739859
(2020-Jan-04.49989874)
4.7195e-05 TDB
period 1335.826988522822
3.66
8.1691e-06
2.237e-08
d
yr
n .2694959774679305 1.6481e-09 deg/d
Q 2.944335289572459 1.2004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1735  
   data-arc span      37342 days (102.24 yr)  
   first obs. used      1917-02-14  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35913  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 21:35:24  

Additional Information
 Earth MOID = .947973 au 
 Jupiter MOID = 2.46442 au 
 T_jup = 3.403 
[ 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 12.1   n/a MPO473799  
diameter diameter 9.261 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.750 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Bolt, G.; Bembrick, C. (2007) Minor Planet Bull. 34, 43.]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2012) http://www.asu.cas.cz/~ppravec/neo.htm]
[DeGraff, D.R. (2017) Minor Planet Bull. 44, 350-354.]
geometric albedo albedo 0.248   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2544 Gubarev (1980 PS)          Discovered 1980-Aug-06 by Vavrova, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1980 PS = 1950 BK1 = 1979 BP = A917 CA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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