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136795 (1997 BQ)
Classification: Apollo [NEO, PHA]          SPK-ID: 2136795
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 69 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4786097612476057 4.7107e-08  
a 1.747208815854408 6.3972e-09 au
q .9109776216486181 8.4994e-08 au
i 10.99172231480142 7.3902e-06 deg
node 50.19110360870567 2.7478e-05 deg
peri 147.4553511200596 2.8584e-05 deg
M 17.87248545501296 3.7802e-06 deg
tp 2458958.620827003851
(2020-Apr-19.12082700)
9.0159e-06 TDB
period 843.5593536535821
2.31
4.6329e-06
1.268e-08
d
yr
n .4267630943107749 2.3438e-09 deg/d
Q 2.583440010060198 9.459e-09 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      8576 days (23.48 yr)  
   first obs. used      1997-01-16  
   last obs. used      2020-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-11 06:46:39  

Additional Information
 Earth MOID = .0358257 au 
 Jupiter MOID = 2.38908 au 
 T_jup = 3.977 
[ 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 18.0   n/a MPO502856  
SMASSII spectral type spec_B S   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)

136795 (1997 BQ)          Discovered 1997-Jan-16 by Hasegawa, T. at Kiso
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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