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
JPL Small-Body Database Browser
Search: [ help ]  
2283 Bunke (1974 SV4)
Classification: Main-belt Asteroid          SPK-ID: 2002283
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08651088720798042 1.2972e-08  
a 2.249698023126884 5.3617e-09 au
q 2.055074651196138 2.9401e-08 au
i 6.730809129119579 8.6473e-07 deg
node 196.8149613504885 1.2144e-06 deg
peri 347.3716874001387 8.6002e-06 deg
M 99.78028873109571 9.1184e-06 deg
tp 2458858.892794664506
(2020-Jan-10.39279466)
3.13e-05 TDB
period 1232.493867122399
3.37
4.4061e-06
1.206e-08
d
yr
n .29209070292619 1.0442e-09 deg/d
Q 2.444321395057631 5.8256e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2970  
   data-arc span      25132 days (68.81 yr)  
   first obs. used      1951-12-21  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41423  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:34:57  

Additional Information
 Earth MOID = 1.05631 au 
 Jupiter MOID = 2.51394 au 
 T_jup = 3.614 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.42   n/a E2021B10  
diameter diameter 6.033 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 46.77 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:
[Polakis, T. (2020) Minor Planet Bull. 47, 314-321.]
geometric albedo albedo 0.422   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2283 Bunke (1974 SV4)          Discovered 1974-Sep-26 by Zhuravleva, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1974 SV4 = 1929 JG = 1939 GD = 1949 FZ = 1951 YA = 1952 BB1 = 1974 WF = 1976 GE6 = 1977 QN3 = 1977 SJ = 1980 LC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-22 03:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin