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18959 (2000 QG129)
Classification: Outer Main-belt Asteroid          SPK-ID: 2018959
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07231421600200269 4.1223e-08  
a 3.497618236721556 2.9961e-08 au
q 3.24469071605873 1.4642e-07 au
i 9.332905245834137 4.2513e-06 deg
node 205.6901896803969 2.8379e-05 deg
peri 238.9513634115179 4.1127e-05 deg
M 212.7757922840307 3.0422e-05 deg
tp 2459577.588178711720
(2021-Dec-29.08817871)
0.00020663 TDB
period 2389.224909362953
6.54
3.0699e-05
8.405e-08
d
yr
n .150676480305066 1.9361e-09 deg/d
Q 3.750545757384383 3.2127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      17752 days (48.60 yr)  
   first obs. used      1971-03-25  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5579  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:16:28  

Additional Information
 Earth MOID = 2.27318 au 
 Jupiter MOID = 1.55096 au 
 T_jup = 3.101 
[ 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 13.6   n/a MPO449090  
diameter diameter 10.397 km 0.301 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18959 (2000 QG129)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 QG129 = 1994 TD12 = 3108 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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