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2283 Bunke (1974 SV4)
Classification: Main-belt Asteroid          SPK-ID: 2002283
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08647991534853246 4.1769e-08  
a 2.249111788140738 7.7569e-09 au
q 2.05460879109294 9.5846e-08 au
i 6.7313210319961 4.2846e-06 deg
node 196.8451238325147 2.9349e-05 deg
peri 346.9799432709324 3.5958e-05 deg
M 284.8100069094431 2.2695e-05 deg
tp 2458857.819402174703
(2020-Jan-09.31940217)
7.8237e-05 TDB
period 1232.01214650101
3.37
6.3736e-06
1.745e-08
d
yr
n .2922049113090501 1.5117e-09 deg/d
Q 2.443614785188536 8.4277e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2269  
   data-arc span      24813 days (67.93 yr)  
   first obs. used      1951-12-21  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45027  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:33:18  

Additional Information
 Earth MOID = 1.05696 au 
 Jupiter MOID = 2.51716 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 12.4   n/a MPO458851  
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 3.96 h n/a LCDB (Rev. 2019-January); 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:
[Menke, J. (2005) Minor Planet Bull. 32, 64-66.]
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 ]
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