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129274 (2005 QC176)
Classification: Main-belt Asteroid          SPK-ID: 2129274
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700945730857642 5.6819e-08  
a 2.361063675109235 7.7437e-09 au
q 1.959459557263224 1.316e-07 au
i 3.533837385948687 5.3703e-06 deg
node 51.35557078119126 6.5484e-05 deg
peri 331.0853493432757 6.6436e-05 deg
M 5.966465403439075 1.1058e-05 deg
tp 2458978.537862699888
(2020-May-09.03786270)
4.0649e-05 TDB
period 1325.134546742401
3.63
6.5192e-06
1.785e-08
d
yr
n .2716705265023794 1.3365e-09 deg/d
Q 2.762667792955245 9.0609e-09 au
  Orbit Determination Parameters
   # obs. used (total)      664  
   data-arc span      7058 days (19.32 yr)  
   first obs. used      1998-12-17  
   last obs. used      2018-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51256  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 05:08:22  

Additional Information
 Earth MOID = .963668 au 
 Jupiter MOID = 2.69182 au 
 T_jup = 3.529 
[ 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 16.2   n/a MPO439819  
diameter diameter 3.413 km 0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.87 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]
geometric albedo albedo 0.055   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129274 (2005 QC176)          Discovered 2005-Aug-31 by NEAT at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2005 QC176 = 2001 LC18 = 2004 HY71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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