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344843 (2004 GQ12)
Classification: Main-belt Asteroid          SPK-ID: 2344843
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .127854138441009 4.805e-08  
a 2.256540332807314 1.5869e-08 au
q 1.968032312698847 1.0612e-07 au
i 7.49187065074955 5.5809e-06 deg
node 67.30978790400462 4.9583e-05 deg
peri 188.6682193792348 5.6453e-05 deg
M 238.88253801189 2.8929e-05 deg
tp 2459417.050191357844
(2021-Jul-21.55019136)		 0.00010143 TDB
period 1238.120964783304
3.39		 1.3061e-05
3.576e-08		 d
yr
n .2907631889288033 3.0672e-09 deg/d
Q 2.545048352915781 1.7898e-08 au
   Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      6768 days (18.53 yr)  
   first obs. used      2001-07-13  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66849  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:06:43  

Additional Information
 Earth MOID = .953629 au 
 Jupiter MOID = 2.49261 au 
 T_jup = 3.601 
[ 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 17.2   n/a MPO455509  

344843 (2004 GQ12)          Discovered 2004-Apr-11 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1918-Sep-01 18:45 00:03 Amphi 0.0169346880195931 0.016925519384489 0.016943881244081 4.14995540570873 4.14995532390889 2421838.281075457 3.20502727811446 1128.61688277796 76.6313620676002 -66.3796973606974 30287.5012661552 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 23:06:47 2020-Feb-25 23:06
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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