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7753 (1988 XB)
Classification: Apollo [NEO, PHA]          SPK-ID: 2007753
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 87 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4815357672221579 1.5845e-08  
a 1.467449714834714 1.9274e-09 AU
q .7608201905418431 2.2762e-08 AU
i 3.124422685059808 6.4743e-06 deg
node 73.49380574303841 2.9403e-05 deg
peri 280.0063032896319 3.0133e-05 deg
M 287.4561805667041 3.5181e-06 deg
tp 2456531.340195942355
(2013-Aug-26.84019594)		 6.5955e-06 JED
period 649.2968099447589
1.78		 1.2792e-06
3.502e-09		 d
yr
n .5544459706041497 1.0923e-09 deg/d
Q 2.174079239127585 2.8555e-09 AU
   Orbit Determination Parameters
   # obs. used (total)      681  
   # delay obs. used      5  
   # Doppler obs. used      6  
   data-arc span      8921 days (24.42 yr)  
   first obs. used      1988-12-05  
   last obs. used      2013-05-09  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .59369  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-May-10 01:45:33  

Additional Information
 Earth MOID = .00662481 AU 
 T_jup = 4.475 
[ 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 18.6 mag n/a PDS3 (MPC 30258)  
SMASSII spectral type spec_B B   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)

7753 (1988 XB)          Discovered 1988-Dec-05 by Oshima, Y. at Gekko
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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