Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1810417497053419 4.2588e-08  
a 2.404383878809581 8.1824e-09 au
q 1.969090014426578 1.0215e-07 au
i 2.080950906078704 3.8846e-06 deg
node 255.8292873027071 0.00012121 deg
peri 116.4478009879614 0.0001216 deg
M 9.34308710649934 1.0902e-05 deg
tp 2458965.157925743199
(2020-Apr-25.65792574)
4.1156e-05 TDB
period 1361.771177708236
3.73
6.9514e-06
1.903e-08
d
yr
n .2643615945858499 1.3495e-09 deg/d
Q 2.839677743192584 9.6637e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1697  
   data-arc span      25517 days (69.86 yr)  
   first obs. used      1949-12-14  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50196  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:14:14  

Additional Information
 Earth MOID = .970423 au 
 Jupiter MOID = 2.63235 au 
 T_jup = 3.500 
[ 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 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

[ show close-approach data ]
Alternate Designations
 1971 SZ = 1949 XH = 1975 XC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-04 10:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin