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2464 Nordenskiold (1939 BF)
Classification: Main-belt Asteroid          SPK-ID: 2002464
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1990267035858415 2.9456e-08  
a 3.192902982516177 1.3884e-08 au
q 2.55743002703658 9.3758e-08 au
i .8433655094990437 4.4164e-06 deg
node 8.114265909886059 0.00023194 deg
peri 79.37118259686585 0.00023226 deg
M 192.0047443289225 1.1553e-05 deg
tp 2459972.959508190788
(2023-Jan-28.45950819)
7.0037e-05 TDB
period 2083.900652731084
5.71
1.3592e-05
3.721e-08
d
yr
n .1727529570702889 1.1268e-09 deg/d
Q 3.828375937995773 1.6647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2541  
   data-arc span      42220 days (115.59 yr)  
   first obs. used      1905-02-09  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44988  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:09:08  

Additional Information
 Earth MOID = 1.57398 au 
 Jupiter MOID = 1.40049 au 
 T_jup = 3.165 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456627.5 (2013-Dec-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .204410760732885 2.994e-08  
q 2.528814186853449 9.5984e-08 au
tp 2455817.751318658065
(2011-Sep-13.25131866)
5.8524e-05 TDB
node 8.641824515521698 0.00023055 deg
peri 77.84943772281407 0.00023083 deg
i .8482681645126681 4.4337e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2541  
   data-arc span      42220 days (115.59 yr)  
   first obs. used      1905-02-09  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44988  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:09:08  

Additional Information
 Jupiter MOID = 1.40049 au 
 T_jup = 3.165 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.964253281217325E-16 -2.853924443657598E-15 -3.896645759782166E-13 -2.333116517204615E-16 -7.225147432485557E-14 -8.952287380062273E-17
q -2.853924443657598E-15 9.212985882236206E-15 1.269098098610503E-12 -2.669318017581235E-15 2.492570857392602E-13 2.408644890633561E-16
tp -3.896645759782166E-13 1.269098098610503E-12 3.425080836256526E-9 -1.098136213693358E-11 6.81241283927485E-10 3.097377217842924E-14
node -2.333116517204615E-16 -2.669318017581235E-15 -1.098136213693358E-11 5.31515191270153E-8 -5.314841222014721E-8 6.763569313775278E-11
peri -7.225147432485557E-14 2.492570857392602E-13 6.81241283927485E-10 -5.314841222014721E-8 5.328475781397287E-8 -6.763413850512562E-11
i -8.952287380062273E-17 2.408644890633561E-16 3.097377217842924E-14 6.763569313775278E-11 -6.763413850512562E-11 1.965800950558375E-11

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 11.9   n/a MPO452196  
diameter diameter 22.470 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.209 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Moravec, P.; Cochren, J.; Gerhardt, M.; Harris, A.; et al. (2012) Minor Planet Bull. 39, 213-216.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]
geometric albedo albedo 0.082   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2464 Nordenskiold (1939 BF)          Discovered 1939-Jan-19 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1939 BF = 1939 CP = 1971 SY2 = 1973 GD = 1976 SY9 = A905 CD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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