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5647 (1990 TZ)
Classification: Main-belt Asteroid          SPK-ID: 2005647
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2684413970070553 5.7384e-08  
a 2.42487482276613 1.4621e-08 AU
q 1.773938037775554 1.3959e-07 AU
i 21.93409203420759 7.0627e-06 deg
node 240.2246276508432 1.7127e-05 deg
peri 227.6403796910714 2.1483e-05 deg
M 30.80271733104292 1.3822e-05 deg
tp 2456682.489963954613
(2014-Jan-24.98996395)
5.2755e-05 JED
period 1379.216402233593
3.78
1.2474e-05
3.415e-08
d
yr
n .261017777498145 2.3607e-09 deg/d
Q 3.075811607756706 1.8545e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      20442 days (55.97 yr)  
   first obs. used      1958-04-17  
   last obs. used      2014-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46619  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:32:20  

Additional Information
 Earth MOID = .844764 AU 
 T_jup = 3.366 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0 mag n/a MPO244231  
diameter diameter 10.62 km 0.7 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
rotation period rot_per 6.144 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Bembrick, C.; Bolt, G. (2003) Minor Planet Bul. 30, 42-43.]
geometric albedo albedo 0.4729   0.072 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
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)

5647 (1990 TZ)          Discovered 1990-Oct-14 by Helin, E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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