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2170 Byelorussia (1971 SZ)
Classification: Main-belt Asteroid          SPK-ID: 2002170
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1810417487638815 4.1291e-08  
a 2.404383878962879 7.8363e-09 au
q 1.969090016815755 9.8522e-08 au
i 2.080951063520474 3.8764e-06 deg
node 255.8292646560388 0.00011523 deg
peri 116.4478236855639 0.00011564 deg
M 9.343086962632574 1.0701e-05 deg
tp 2458965.157926284024
(2020-Apr-25.65792628)
4.0405e-05 TDB
period 1361.771177838471
3.73
6.6573e-06
1.823e-08
d
yr
n .2643615945605673 1.2924e-09 deg/d
Q 2.839677741110004 9.255e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1875  
   data-arc span      25889 days (70.88 yr)  
   first obs. used      1949-12-14  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49151  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:12:00  

Additional Information
 Earth MOID = .970423 au 
 Jupiter MOID = 2.63235 au 
 T_jup = 3.500 
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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 13.9   n/a MPO344314  
diameter diameter 9.427 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.768 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.049   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2170 Byelorussia           Discovered 1971 Sept. 16 at the Crimean Astrophysical Observatory.
Named for one of the Soviet Socialist Republics.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5285Last Updated: 2007-10-23

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Alternate Designations
 1971 SZ = 1949 XH = 1975 XC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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