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160228 (2002 GQ112)
Classification: Main-belt Asteroid          SPK-ID: 2160228
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3030805239608306 6.3437e-08  
a 3.149960009976437 2.8946e-08 au
q 2.195268479697115 1.8677e-07 au
i 9.399694192196957 6.0194e-06 deg
node 63.08119602286561 3.014e-05 deg
peri 93.94136218112099 3.1324e-05 deg
M 150.2509679263385 1.202e-05 deg
tp 2458348.242631125295
(2018-Aug-17.74263113)
6.1764e-05 TDB
period 2042.001173299001
5.59
2.8147e-05
7.706e-08
d
yr
n .1762976460088874 2.4301e-09 deg/d
Q 4.104651540255759 3.7719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      7212 days (19.75 yr)  
   first obs. used      2000-11-24  
   last obs. used      2020-08-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51903  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:27  

Additional Information
 Earth MOID = 1.22839 au 
 Jupiter MOID = 1.09274 au 
 T_jup = 3.115 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456983.5 (2014-Nov-22.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2980828423785095 6.3157e-08  
q 2.212786920889687 1.8473e-07 au
tp 2456298.164439596753
(2013-Jan-05.66443960)
5.4238e-05 TDB
node 63.5833651395558 2.9805e-05 deg
peri 93.17560490914472 3.1185e-05 deg
i 9.452514259952141 6.0438e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      7212 days (19.75 yr)  
   first obs. used      2000-11-24  
   last obs. used      2020-08-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51903  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:27  

Additional Information
 Jupiter MOID = 1.09274 au 
 T_jup = 3.115 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.988824933007919E-15 -1.16371463102067E-14 1.284903075413063E-12 -9.565538071392334E-15 1.941686392684612E-13 -1.51586689331673E-14
q -1.16371463102067E-14 3.412557444947131E-14 -3.913307264105058E-12 3.081854733268388E-14 -6.031224571236242E-13 4.519752209184271E-14
tp 1.284903075413063E-12 -3.913307264105058E-12 2.941793936870253E-9 -1.072885661412349E-11 5.407966242133806E-10 -2.165196653741865E-11
node -9.565538071392334E-15 3.081854733268388E-14 -1.072885661412349E-11 8.883238215305816E-10 -8.776417010641156E-10 -2.702252077078095E-11
peri 1.941686392684612E-13 -6.031224571236242E-13 5.407966242133806E-10 -8.776417010641156E-10 9.72519278909383E-10 2.263549770016151E-11
i -1.51586689331673E-14 4.519752209184271E-14 -2.165196653741865E-11 -2.702252077078095E-11 2.263549770016151E-11 3.652736607399927E-11

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 15.93   n/a E2021B55  
rotation period rot_per 8.564 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

160228 (2002 GQ112)          Discovered 2002-Apr-10 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Alternate Designations
 2002 GQ112 = 2007 AJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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