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JPL Small-Body Database Browser
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4374 Tadamori (1987 BJ)
Classification: Main-belt Asteroid          SPK-ID: 2004374
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1708402377098293 3.0514e-08  
a 2.222908056910216 6.4208e-09 au
q 1.84314591606058 6.7397e-08 au
i 4.845934789927005 3.8104e-06 deg
node 152.5475591516405 4.1332e-05 deg
peri 339.0047791912533 4.2952e-05 deg
M 24.01339039574446 1.1913e-05 deg
tp 2458919.752021734787
(2020-Mar-11.25202173)
3.9992e-05 TDB
period 1210.544271192462
3.31
5.2449e-06
1.436e-08
d
yr
n .297386893290055 1.2885e-09 deg/d
Q 2.602670197759852 7.5177e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2229  
   data-arc span      18347 days (50.23 yr)  
   first obs. used      1969-11-11  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4733  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:11:50  

Additional Information
 Earth MOID = .858466 au 
 Jupiter MOID = 2.44028 au 
 T_jup = 3.624 
[ 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 MPO458874  
diameter diameter 5.687 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.50474 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Fleenor, M.L. (2007) Minor Planet Bull. 34, 66-67.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2007) http://www.asu.cas.cz/~ppravec/neo.htm]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.388   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4374 Tadamori (1987 BJ)          Discovered 1987-Jan-31 by Suzuki and Urata at Toyota
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 BJ = 1969 VX = 1979 YV3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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