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5563 (1991 VZ1)
Classification: Main-belt Asteroid          SPK-ID: 2005563
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06340135118519143 5.2448e-08  
a 2.763190518256524 1.8811e-08 AU
q 2.588000505816951 1.5139e-07 AU
i 10.47366158766445 6.7224e-06 deg
node 68.14177657077239 3.034e-05 deg
peri 49.67091688167866 6.129e-05 deg
M 311.5126763410368 5.3088e-05 deg
tp 2457226.464588053824
(2015-Jul-22.96458805)
0.00024768 JED
period 1677.701418860207
4.59
1.7132e-05
4.69e-08
d
yr
n .214579302343665 2.1912e-09 deg/d
Q 2.938380530696097 2.0004e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1209  
   data-arc span      26649 days (72.96 yr)  
   first obs. used      1942-04-12  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49644  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:22:13  

Additional Information
 Earth MOID = 1.61771 AU 
 T_jup = 3.313 
[ 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 11.9 mag n/a MPO319154  
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)

5563 (1991 VZ1)          Discovered 1991-Nov-09 by Ueda and Kaneda at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 VZ1 = 1942 GN = 1952 HP2 = 1968 UX1 = 1973 YL2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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