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192481 (1998 GQ2)
Classification: Main-belt Asteroid          SPK-ID: 2192481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790302908986638 5.4634e-08  
a 2.553323567013591 1.7099e-08 au
q 2.096201306052734 1.4029e-07 au
i 13.77689308866961 5.4645e-06 deg
node 47.83075802277982 2.0384e-05 deg
peri 162.532775691865 2.8665e-05 deg
M 182.0829537974385 2.5765e-05 deg
tp 2459936.999178069826
(2022-Dec-23.49917807)
0.00011077 TDB
period 1490.243401429177
4.08
1.497e-05
4.099e-08
d
yr
n .2415712759773014 2.4267e-09 deg/d
Q 3.010445827974447 2.0161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      8321 days (22.78 yr)  
   first obs. used      1998-04-02  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62389  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:17  

Additional Information
 Earth MOID = 1.09236 au 
 Jupiter MOID = 1.96363 au 
 T_jup = 3.377 
[ 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 15.88   n/a MPCxxxxx  
diameter diameter 3.492 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192481 (1998 GQ2)          Discovered 1998-Apr-02 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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