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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2681243379300303 5.5751e-08  
a 2.425186031398578 1.3912e-08 au
q 1.774934632372676 1.3477e-07 au
i 21.92994314298067 6.9577e-06 deg
node 240.2174390332319 1.5889e-05 deg
peri 227.6702604594272 1.9969e-05 deg
M 187.4003274146017 1.4091e-05 deg
tp 2458061.883689993200
(2017-Nov-04.38368999)
5.6111e-05 JED
period 1379.481923870665
3.78
1.187e-05
3.25e-08
d
yr
n .2609675369938028 2.2456e-09 deg/d
Q 3.07543743042448 1.7642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      20887 days (57.19 yr)  
   first obs. used      1958-04-17  
   last obs. used      2015-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45625  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:52:03  

Additional Information
 Earth MOID = .845958 au 
 Jupiter MOID = 2.35256 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 LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Bembrick, C.; Bolt, G. (2003) Minor Planet Bul. 30, 42-43.]
[Oey, J. (2016) Minor Planet Bul. 43, 45-51.]
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
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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