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100959 (1998 QO12)
Classification: Main-belt Asteroid          SPK-ID: 2100959
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565321091676351 5.1396e-08  
a 2.754277733207722 1.4409e-08 au
q 2.323144830395265 1.3937e-07 au
i 8.540112672945838 4.5408e-06 deg
node 172.6792276438843 3.4145e-05 deg
peri 228.3091571993334 3.5657e-05 deg
M 214.3519652193932 1.13e-05 deg
tp 2459675.979466729963
(2022-Apr-06.47946673)
5.4865e-05 TDB
period 1669.590725265078
4.57
1.3101e-05
3.587e-08
d
yr
n .215621705698469 1.692e-09 deg/d
Q 3.18541063602018 1.6664e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      7975 days (21.83 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:14:18  

Additional Information
 Earth MOID = 1.34047 au 
 Jupiter MOID = 2.27199 au 
 T_jup = 3.310 
[ 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 15.0   n/a MPO337988  
diameter diameter 5.307 km 0.307 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100959 (1998 QO12)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 QO12 = 2001 GD10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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