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2299 Hanko (1941 SZ)
Classification: Main-belt Asteroid          SPK-ID: 2002299
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2958080089595891 3.8568e-08  
a 2.585963956708488 7.9232e-09 au
q 1.821015107433289 9.8978e-08 au
i 5.255222797505763 4.5571e-06 deg
node 174.1590071753067 3.7314e-05 deg
peri 165.8106609347413 3.784e-05 deg
M 345.2559322188669 6.9219e-06 deg
tp 2459062.708101268967
(2020-Aug-01.20810127)
2.9307e-05 TDB
period 1518.910302724275
4.16
6.9807e-06
1.911e-08
d
yr
n .2370120206270996 1.0893e-09 deg/d
Q 3.350912805983687 1.0267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2154  
   data-arc span      28807 days (78.87 yr)  
   first obs. used      1941-09-20  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:48:43  

Additional Information
 Earth MOID = .813146 au 
 Jupiter MOID = 2.0679 au 
 T_jup = 3.353 
[ 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 13.3   n/a MPO473796  
diameter diameter 6.521 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.262   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2299 Hanko (1941 SZ)          Discovered 1941-Sep-25 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1941 SZ = 1941 SH1 = 1966 UP = 1970 PQ = 1978 NA4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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