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1700 Zvezdara (1940 QC)
Classification: Main-belt Asteroid          SPK-ID: 2001700
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247990667748307 3.5346e-08  
a 2.361209562081663 5.9981e-09 au
q 1.830411856065898 8.4122e-08 au
i 4.512713128785723 4.0936e-06 deg
node 356.8718193555501 4.4379e-05 deg
peri 15.28615952389926 4.5161e-05 deg
M 332.3744733989309 1.043e-05 deg
tp 2459102.197035055402
(2020-Sep-09.69703506)
3.8628e-05 TDB
period 1325.257366081414
3.63
5.0497e-06
1.383e-08
d
yr
n .2716453492082564 1.0351e-09 deg/d
Q 2.892007268097427 7.3464e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2573  
   data-arc span      33234 days (90.99 yr)  
   first obs. used      1929-08-08  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41652  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:39:36  

Additional Information
 Earth MOID = .830923 au 
 Jupiter MOID = 2.57633 au 
 T_jup = 3.512 
[ 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 IRAS observations used: 10
diameter diameter 20.176 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.114 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Baker, R.E.; Benishek, V.; Pilcher, F.; Higgins, D. (2010) Minor Planet Bull. 37, 81-83.]
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm]
geometric albedo albedo 0.045   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.720   0.017 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=1.10, mean=1.18, max.=1.26) deg.
U-B UB 0.322   0.037 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=1.10, mean=1.18, max.=1.26) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1700 Zvezdara           Discovered 1940 Aug. 27 by P. Djurkovic at Belgrade.
The Serbian word for Observatory, this is the name of the section of the city of Belgrade in which the Observatory, founded in 1934, is located.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5449Last Updated: 2006-03-21

[ show close-approach data ]
Alternate Designations
 1940 QC = 1929 PM = 1951 SB = 1951 SO = 1955 XP = 1962 WJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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