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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1810417484606035 4.1224e-08  
a 2.404383878980473 7.8216e-09 au
q 1.96909001755936 9.8334e-08 au
i 2.080951081174899 3.8752e-06 deg
node 255.8292630210635 0.00011489 deg
peri 116.4478253207808 0.00011531 deg
M 9.343086934535165 1.0696e-05 deg
tp 2458965.157926389920
(2020-Apr-25.65792639)		 4.0386e-05 TDB
period 1361.771177853418
3.73		 6.6449e-06
1.819e-08		 d
yr
n .2643615945576656 1.29e-09 deg/d
Q 2.839677740401586 9.2376e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1882  
   data-arc span      25899 days (70.91 yr)  
   first obs. used      1949-12-14  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49063  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:04:43  

Additional Information
 Earth MOID = .970423 au 
 Jupiter MOID = 2.63235 au 
 T_jup = 3.500 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456357.5 (2013-Mar-06.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820118076337618 4.142e-08  
q 1.967188069887119 9.8924e-08 au
tp 2456242.156808228417
(2012-Nov-10.65680823)		 3.6378e-05 TDB
node 255.9074558564228 0.00011497 deg
peri 116.6184217878148 0.00011538 deg
i 2.079651775168792 3.8771e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1882  
   data-arc span      25899 days (70.91 yr)  
   first obs. used      1949-12-14  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49063  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:04:43  

Additional Information
 Jupiter MOID = 2.63235 au 
 T_jup = 3.500 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.715613177343838E-15 -4.089031367141895E-15 1.388071950704765E-13 -1.42971284925226E-14 9.511868944511771E-15 -1.391935620257062E-16
q -4.089031367141895E-15 9.785932140471604E-15 -3.152482766961605E-13 3.275363807728598E-14 -1.734782776571783E-14 3.788023402850534E-16
tp 1.388071950704765E-13 -3.152482766961605E-13 1.323337792374648E-9 -8.282670109108399E-12 3.692394542743582E-10 -2.07641235387162E-13
node -1.42971284925226E-14 3.275363807728598E-14 -8.282670109108399E-12 1.32181248918417E-8 -1.32110757630234E-8 -9.077875918857628E-11
peri 9.511868944511771E-15 -1.734782776571783E-14 3.692394542743582E-10 -1.32110757630234E-8 1.331184011323493E-8 9.067204820337907E-11
i -1.391935620257062E-16 3.788023402850534E-16 -2.07641235387162E-13 -9.077875918857628E-11 9.067204820337907E-11 1.50319390976381E-11

[ 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. 2020-October); 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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