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5327 (1989 EX1)
Classification: Main-belt Asteroid          SPK-ID: 2005327
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1612176984002681 3.5986e-08  
a 2.342595413397585 6.3464e-09 au
q 1.964927572566602 8.4088e-08 au
i 9.756348185903628 3.2834e-06 deg
node 137.178886042519 2.2756e-05 deg
peri 82.13169136630692 2.4616e-05 deg
M 262.8919684996207 1.0378e-05 deg
tp 2459553.762070128036
(2021-Dec-05.26207013)
3.8138e-05 TDB
period 1309.617168437773
3.59
5.3219e-06
1.457e-08
d
yr
n .2748894934154228 1.1171e-09 deg/d
Q 2.720263254228569 7.3696e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2451  
   data-arc span      25799 days (70.63 yr)  
   first obs. used      1950-06-04  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44219  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:23:58  

Additional Information
 Earth MOID = .98531 au 
 Jupiter MOID = 2.30769 au 
 T_jup = 3.526 
[ 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 13.59   n/a E2021B10  
diameter diameter 12.048 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.71997 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.037   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5327 (1989 EX1)          Discovered 1989-Mar-05 by Vavrova, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 EX1 = 1950 LB = 1950 LP = 1979 OB13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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