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7025 (1993 QA)
Classification: Apollo [NEO]          SPK-ID: 2007025
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 75 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3150592090410127 2.3927e-08  
a 1.475732979010344 1.8872e-09 AU
q 1.010789713887608 3.5712e-08 AU
i 12.60667531536392 5.1967e-06 deg
node 146.6480879730134 1.0088e-05 deg
peri 323.3829011985559 1.4192e-05 deg
M 85.72821763970873 1.2228e-05 deg
tp 2456644.569383919265
(2013-Dec-18.06938392)
2.1962e-05 JED
period 654.8021565662793
1.79
1.256e-06
3.439e-09
d
yr
n .5497843835576322 1.0546e-09 deg/d
Q 1.94067624413308 2.4817e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      444  
   # delay obs. used      3  
   # Doppler obs. used      0  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1993-08-16  
   last obs. used      2014-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59781  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-27 05:52:08  

Additional Information
 Earth MOID = .0628983 AU 
 T_jup = 4.512 
[ 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 18.3 mag n/a PDS3 (MPC 27297)  
rotation period rot_per 2.5057 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
[Krugly, Yu.N.; Bel'skaya, I.N.; Shevchenko, V.G.; et al. (2002) Icarus 158, 294-304.]

7025 (1993 QA)          Discovered 1993-Aug-16 by Spacewatch at Kitt Peak (691)
Reference: DISCOVERY.DBLast Updated: 2013-09-05

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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