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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 63 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3150592309865975 2.7639e-08  
a 1.475732976573256 2.2037e-09 AU
q 1.010789679832523 4.1272e-08 AU
i 12.60668329125587 6.4449e-06 deg
node 146.6481010137274 1.0766e-05 deg
peri 323.3828788203382 1.6219e-05 deg
M 85.72823170011671 1.4157e-05 deg
tp 2456644.569358731127
(2013-Dec-18.06935873)
2.5425e-05 JED
period 654.8021549442273
1.79
1.4667e-06
4.016e-09
d
yr
n .549784384919538 1.2315e-09 deg/d
Q 1.940676273313989 2.8979e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      397  
   # delay obs. used      3  
   # Doppler obs. used      0  
   data-arc span      7554 days (20.68 yr)  
   first obs. used      1993-08-16  
   last obs. used      2014-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59748  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-22 05:45:48  

Additional Information
 Earth MOID = .0628984 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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