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JPL Small-Body Database Browser
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109401 (2001 QG180)
Classification: Main-belt Asteroid          SPK-ID: 2109401
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .142243452328411 4.4153e-08  
a 3.09090504562632 2.1087e-08 au
q 2.651244041117128 1.3732e-07 au
i 9.190238336109084 5.0192e-06 deg
node 106.619767695711 3.2152e-05 deg
peri 274.2197606276719 3.6677e-05 deg
M 63.06562736135191 1.735e-05 deg
tp 2458252.790031474444
(2018-May-14.29003147)
9.5144e-05 TDB
period 1984.846483044911
5.43
2.0312e-05
5.561e-08
d
yr
n .181374228725101 1.8561e-09 deg/d
Q 3.530566050135513 2.4087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      6406 days (17.54 yr)  
   first obs. used      2001-08-25  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52934  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:02:31  

Additional Information
 Earth MOID = 1.67361 au 
 Jupiter MOID = 2.00783 au 
 T_jup = 3.190 
[ 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 14.0   n/a MPO338039  
diameter diameter 5.025 km 2.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.232   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109401 (2001 QG180)          Discovered 2001-Aug-25 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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