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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1811718120047458 1.9491e-08  
a 2.404885064824987 6.6686e-09 au
q 1.969187679967494 4.7766e-08 au
i 2.080788616103969 8.4257e-07 deg
node 255.8305809353735 1.0769e-05 deg
peri 116.4848907099128 1.2099e-05 deg
M 62.1683756226169 5.2468e-06 deg
tp 2458965.262294889574
(2020-Apr-25.76229489)
1.9455e-05 TDB
period 1362.196985068799
3.73
5.6659e-06
1.551e-08
d
yr
n .2642789581433539 1.0992e-09 deg/d
Q 2.840582449682481 7.8768e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2076  
   data-arc span      26027 days (71.26 yr)  
   first obs. used      1949-12-14  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:01:50  

Additional Information
 Earth MOID = .969067 au 
 Jupiter MOID = 2.63256 au 
 T_jup = 3.500 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456603.5 (2013-Nov-07.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1824815738005259 1.9664e-08  
q 1.966000398831473 4.8378e-08 au
tp 2456242.073262268479
(2012-Nov-10.57326227)
1.8161e-05 TDB
node 255.9019621551989 1.0786e-05 deg
peri 116.5420085103604 1.2093e-05 deg
i 2.079448541385741 8.4276e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2076  
   data-arc span      26027 days (71.26 yr)  
   first obs. used      1949-12-14  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:01:50  

Additional Information
 Jupiter MOID = 2.63256 au 
 T_jup = 3.500 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.866556716893816E-16 -9.45304712648107E-16 1.042455996910175E-13 2.191628122498125E-14 2.840497347338525E-14 -4.056546632223709E-16
q -9.45304712648107E-16 2.340439849558967E-15 -2.729118292121435E-13 -5.794064966751163E-14 -6.451375562600819E-14 1.548597615867067E-15
tp 1.042455996910175E-13 -2.729118292121435E-13 3.298171532152564E-10 -2.64719388319026E-11 1.066144474678098E-10 6.96909638999199E-12
node 2.191628122498125E-14 -5.794064966751163E-14 -2.64719388319026E-11 1.163428337898441E-10 -1.200768544948298E-10 -5.365469017669814E-12
peri 2.840497347338525E-14 -6.451375562600819E-14 1.066144474678098E-10 -1.200768544948298E-10 1.46232655791764E-10 7.07352389338547E-12
i -4.056546632223709E-16 1.548597615867067E-15 6.96909638999199E-12 -5.365469017669814E-12 7.07352389338547E-12 7.102407247195719E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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

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