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JPL Small-Body Database Browser
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109608 (2001 QL287)
Classification: Main-belt Asteroid          SPK-ID: 2109608
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160300848529505 5.9758e-08  
a 2.547714670911522 1.553e-08 au
q 2.139313847353336 1.5498e-07 au
i 3.56041095999507 5.2797e-06 deg
node 265.0331340367702 9.9433e-05 deg
peri 20.68391659023343 0.00010064 deg
M 168.2356088684304 1.5831e-05 deg
tp 2457906.371250703648
(2017-Jun-01.87125070)
6.5409e-05 TDB
period 1485.33566364129
4.07
1.3581e-05
3.718e-08
d
yr
n .2423694581718064 2.2161e-09 deg/d
Q 2.956115494469707 1.8019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      6373 days (17.45 yr)  
   first obs. used      2001-07-19  
   last obs. used      2018-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:41:25  

Additional Information
 Earth MOID = 1.12271 au 
 Jupiter MOID = 2.19426 au 
 T_jup = 3.421 
[ 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 16.0   n/a MPO422368  

109608 (2001 QL287)          Discovered 2001-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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