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JPL Small-Body Database Browser
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173715 (2001 QD144)
Classification: Main-belt Asteroid          SPK-ID: 2173715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09807524737193346 1.127e-07  
a 2.898575253015841 2.702e-08 au
q 2.614296768050147 3.2484e-07 au
i 1.219797186323133 9.8221e-06 deg
node 337.1136339045895 0.00031408 deg
peri 21.07408507898196 0.00031553 deg
M 196.9029772334536 2.994e-05 deg
tp 2459417.117776298643
(2021-Jul-21.61777630)
0.0001532 TDB
period 1802.500097676899
4.93
2.5204e-05
6.9e-08
d
yr
n .1997225966666941 2.7927e-09 deg/d
Q 3.182853737981534 2.967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      10075 days (27.58 yr)  
   first obs. used      1991-09-05  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55948  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:13:08  

Additional Information
 Earth MOID = 1.60944 au 
 Jupiter MOID = 2.23664 au 
 T_jup = 3.280 
[ 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 16.7   n/a MPO433116  

173715 (2001 QD144)          Discovered 2001-Aug-21 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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