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

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 117 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .315215154812314 1.8594e-08  
a 1.475776128596654 1.5187e-09 au
q 1.010589127752743 2.7961e-08 au
i 12.61098118458464 4.3753e-06 deg
node 146.6078578760813 9.4338e-06 deg
peri 323.465398481491 1.1957e-05 deg
M 72.82701856062005 1.2675e-05 deg
tp 2459264.029499031790
(2021-Feb-18.52949903)
2.2854e-05 TDB
period 654.8308758357284
1.79
1.0108e-06
2.767e-09
d
yr
n .5497602713686183 8.4865e-10 deg/d
Q 1.940963129440566 1.9975e-09 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   # delay obs. used      3  
   # Doppler obs. used      0  
   data-arc span      10121 days (27.71 yr)  
   first obs. used      1993-08-16  
   last obs. used      2021-05-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-07 05:55:32  

Additional Information
 Earth MOID = .0630806 au 
 Jupiter MOID = 3.19271 au 
 T_jup = 4.512 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.10   n/a E2021B10  
diameter diameter 0.498 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 2.5057 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 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.]
geometric albedo albedo 0.340   0.234 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

7025 (1993 QA)          Discovered 1993-Aug-16 by Spacewatch at Kitt Peak
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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