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118337 (1999 BQ9)
Classification: Mars-crossing Asteroid          SPK-ID: 2118337
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3353420138098983 3.301e-08  
a 2.405720319073319 8.015e-09 au
q 1.598981222611881 8.0165e-08 au
i 20.87050201506444 6.7401e-06 deg
node 63.6766917065293 1.1644e-05 deg
peri 85.22250192499712 1.5167e-05 deg
M 300.7837242907753 9.5951e-06 deg
tp 2459424.684055037831
(2021-Jul-29.18405504)
3.7046e-05 TDB
period 1362.906715206453
3.73
6.8111e-06
1.865e-08
d
yr
n .264141335561229 1.32e-09 deg/d
Q 3.212459415534757 1.0703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1183  
   data-arc span      8139 days (22.28 yr)  
   first obs. used      1998-11-24  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48965  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:48  

Additional Information
 Earth MOID = .759348 au 
 Jupiter MOID = 2.25762 au 
 T_jup = 3.360 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO449691  
rotation period rot_per 2.858 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2014) Minor Planet Bull. 41, 144-155.]

118337 (1999 BQ9)          Discovered 1999-Jan-23 by CSS at Catalina
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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