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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 218 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .481587433037949 8.7809e-09  
a 1.467143037540498 1.621e-09 au
q .7605853881918703 1.2989e-08 au
i 3.124492992278504 3.599e-06 deg
node 73.40235265832914 2.5079e-05 deg
peri 280.043755375617 2.5492e-05 deg
M 148.091677298752 5.7013e-07 deg
tp 2459129.485243262363
(2020-Oct-06.98524326)
8.8592e-07 TDB
period 649.093279101913
1.78
1.0757e-06
2.945e-09
d
yr
n .5546198236686365 9.1917e-10 deg/d
Q 2.173700686889126 2.4016e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.037320503022494E-14 3.757E-15
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      1241  
   # delay obs. used      8  
   # Doppler obs. used      9  
   data-arc span      11806 days (32.32 yr)  
   first obs. used      1988-12-05  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37875  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:25:34  

Additional Information
 Earth MOID = .00660099 au 
 Jupiter MOID = 3.27267 au 
 T_jup = 4.476 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 17.96   n/a E2021B10  
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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