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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 190 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5064780661640713 2.5192e-09  
a 1.842043614256059 3.15e-10 au
q .9090889267177737 4.5922e-09 au
i 5.418516317022171 2.0534e-06 deg
node 294.8706665648853 1.1717e-05 deg
peri 173.3675691362719 9.9685e-06 deg
M 294.8643191744387 1.0624e-06 deg
tp 2457765.720809729621
(2017-Jan-12.22080973)
2.6953e-06 JED
period 913.1629661161379
2.50
2.3424e-07
6.413e-10
d
yr
n .394234121792248 1.0112e-10 deg/d
Q 2.774998301794345 4.7454e-10 au
  Orbit Determination Parameters
   # obs. used (total)      955  
   # 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      .48944  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:57:28  

Additional Information
 Earth MOID = .048427 au 
 Jupiter MOID = 2.38816 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 LCDB (Rev. 2016-February); Warner et al., 2009 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
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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