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JPL Small-Body Database Browser
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376835 (2001 QD9)
Classification: Main-belt Asteroid          SPK-ID: 2376835
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2045963255833791 6.1921e-08  
a 3.157230806039298 3.8108e-08 au
q 2.511272984105007 1.9774e-07 au
i 16.01011265404417 9.6646e-06 deg
node 334.0544071112461 1.8847e-05 deg
peri 52.81598113680592 3.0721e-05 deg
M 81.62813891279275 2.081e-05 deg
tp 2458535.882762233365
(2019-Feb-21.38276223)
0.00011766 TDB
period 2049.0753289706
5.61
3.7099e-05
1.016e-07
d
yr
n .1756890022100135 3.1809e-09 deg/d
Q 3.803188627973589 4.5905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      6716 days (18.39 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53827  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:26:35  

Additional Information
 Earth MOID = 1.54845 au 
 Jupiter MOID = 1.86599 au 
 T_jup = 3.114 
[ 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 15.4   n/a MPO455716  

376835 (2001 QD9)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2001 QD9 = 2007 TL136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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