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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .26834848027514 5.7405e-08  
a 2.424674658283841 1.4513e-08 AU
q 1.774016898571728 1.3951e-07 AU
i 21.9342476115008 7.0627e-06 deg
node 240.2227403900258 1.7128e-05 deg
peri 227.6361959154409 2.1485e-05 deg
M 83.02426510890469 1.3918e-05 deg
tp 2456682.460416275236
(2014-Jan-24.96041628)
5.2756e-05 JED
period 1379.045631909304
3.78
1.2381e-05
3.39e-08
d
yr
n .261050099916981 2.3437e-09 deg/d
Q 3.075332417995954 1.8407e-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 = .845181 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 12.1 mag n/a MPO296181  
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. 2014-Mar-01) 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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