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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3353205430861105 4.4946e-08  
a 2.405334280532437 9.5871e-09 au
q 1.598776283280661 1.0645e-07 au
i 20.87152102495997 7.0542e-06 deg
node 63.67449691373807 1.5298e-05 deg
peri 85.25055085384227 1.8352e-05 deg
M 247.9136565539595 9.8268e-06 deg
tp 2459424.740170755819
(2021-Jul-29.24017076)
3.8802e-05 TDB
period 1362.578676193669
3.73
8.1463e-06
2.23e-08
d
yr
n .2642049272381477 1.5796e-09 deg/d
Q 3.211892277784213 1.2802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      1998-11-24  
   last obs. used      2018-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53338  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:38:16  

Additional Information
 Earth MOID = .759288 au 
 Jupiter MOID = 2.25864 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. 2019-August); 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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