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7341 (1991 VK)
Classification: Apollo [NEO, PHA]          SPK-ID: 2007341
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 189 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5067560954371678 2.6155e-09  
a 1.841747505356057 3.2805e-10 AU
q .9084307307606772 4.7639e-09 AU
i 5.420060189915763 2.1918e-06 deg
node 294.8729989875839 1.2248e-05 deg
peri 173.3597819074952 1.022e-05 deg
M 339.4505851006755 1.1392e-06 deg
tp 2456852.612333708922
(2014-Jul-14.11233371)
2.8876e-06 JED
period 912.9427882556668
2.50
2.4392e-07
6.678e-10
d
yr
n .3943292007244414 1.0535e-10 deg/d
Q 2.775064279951436 4.9429e-10 AU
  Orbit Determination Parameters
   # obs. used (total)      952  
   # delay obs. used      8  
   # Doppler obs. used      3  
   data-arc span      7974 days (21.83 yr)  
   first obs. used      1991-09-12  
   last obs. used      2013-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46992  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 09:20:13  

Additional Information
 Earth MOID = .0480828 AU 
 T_jup = 3.846 
[ 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 16.7 mag n/a PDS3 (MPC 28573)  
rotation period rot_per 4.2096 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
SMASSII spectral type spec_B Sq   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)

7341 (1991 VK)          Discovered 1991-Nov-01 by Helin, E. F., Lawrence, K. J. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 VK = 1981 UX12 = 1991 TS1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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