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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 171 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4817156372550087 1.0222e-08  
a 1.46777610124702 1.0436e-09 au
q .7607254012871398 1.5296e-08 au
i 3.122911166294376 3.6964e-06 deg
node 73.41879771953847 3.5236e-05 deg
peri 280.0735527981349 3.5663e-05 deg
M 288.4992711065487 4.0592e-06 deg
tp 2459129.501901945012
(2020-Oct-07.00190195)
7.4591e-06 TDB
period 649.5134443931241
1.78
6.9271e-07
1.897e-09
d
yr
n .5542610443366074 5.9113e-10 deg/d
Q 2.174826801206901 1.5463e-09 au
  Orbit Determination Parameters
   # obs. used (total)      999  
   # delay obs. used      5  
   # Doppler obs. used      7  
   data-arc span      11524 days (31.55 yr)  
   first obs. used      1988-12-05  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52026  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-02 06:25:53  

Additional Information
 Earth MOID = .00664514 au 
 Jupiter MOID = 3.27041 au 
 T_jup = 4.475 
[ 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 18.6   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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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