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5587 (1990 SB)
Classification: Amor [NEO]          SPK-ID: 2005587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 339 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5448120713678102 1.9369e-08  
a 2.396403609255477 4.8454e-09 au
q 1.090813995063704 4.6532e-08 au
i 18.09771789036292 4.3898e-06 deg
node 189.9521447889572 1.047e-05 deg
peri 86.77352147393283 1.1704e-05 deg
M 39.27329109528554 6.5948e-06 deg
tp 2458852.680009433500
(2020-Jan-04.18000943)
2.4395e-05 TDB
period 1354.997127050754
3.71
4.1096e-06
1.125e-08
d
yr
n .2656832201434737 8.0579e-10 deg/d
Q 3.701993223447249 7.4852e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3280  
   data-arc span      24428 days (66.88 yr)  
   first obs. used      1953-12-07  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-25 07:38:13  

Additional Information
 Earth MOID = .30648 au 
 Jupiter MOID = 1.97039 au 
 T_jup = 3.253 
[ 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 13.8   n/a MPO265987  
diameter diameter 3.57 km n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
rotation period rot_per 5.0522 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Koff, R.A.; Pravec, P.; Sarounova, L.; Kusnirak, P.; et al. (2002) Minor Planet Bull. 29, 51-53.]
[Galad, A.; Kornos, L.; Gajdos, S.; Vilagi, J.; Toth, J. (2004) Contr. Astron. Obs. Skalnate Pleso 34, 157-168]
[Kaasalainen, M.; et al. (2004) Icarus 167, 178-196.]
[Polishook, D. (2009) Minor Planet Bull. 36, 119-120.]
[Vaduvescu, O.; Aznar Macias, A.; Tudor, V.; Predatu, M.; et al. (2017) Earth, Moon, and Planets 120, 41-100.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 22-36.]
geometric albedo albedo 0.32   n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
SMASSII spectral type spec_B Sq   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)

5587 (1990 SB)          Discovered 1990-Sep-16 by Holt and Brown at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1990 SB = 1990 UV12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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