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JPL Small-Body Database Browser
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80017 (1999 GQ39)
Classification: Main-belt Asteroid          SPK-ID: 2080017
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1687674467254844 4.8501e-08  
a 2.773803906563522 2.2312e-08 au
q 2.305676103535622 1.3481e-07 au
i 14.49366056919376 5.5431e-06 deg
node 56.94550629037975 1.9481e-05 deg
peri 179.1270280220511 2.4994e-05 deg
M 172.531696513754 1.9944e-05 deg
tp 2458191.816742007583
(2018-Mar-14.31674201)
8.7427e-05 TDB
period 1687.376747344868
4.62
2.0359e-05
5.574e-08
d
yr
n .2133489160417017 2.5742e-09 deg/d
Q 3.241931709591422 2.6077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      7595 days (20.79 yr)  
   first obs. used      1999-04-12  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56813  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:50:56  

Additional Information
 Earth MOID = 1.29408 au 
 Jupiter MOID = 1.76342 au 
 T_jup = 3.269 
[ 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 MPO309750  

80017 (1999 GQ39)          Discovered 1999-Apr-12 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ 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
1964-Nov-28 08:54 00:02 Jupiter 1.76695041642313 1.76694988507501 1.76695094778611 3.72895232764846 3.59810311606462 2438727.870778879 1.69913650744538 319.710344075196 10.1716194330592 -85.8086712448375 2509365.05734024 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 18:50:58 2020-Feb-23 18:50
1987-Aug-09 00:02 00:01 Jupiter 1.92975167974227 1.92975085158288 1.92975250793873 3.45458592562637 3.32510261945166 2447016.501388216 1.0000137176987 647.544458917306 26.2185143136947 -87.106272416703 2350772.72120538 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 18:50:58 2020-Feb-23 18:50
2048-May-23 02:14 00:01 Jupiter 1.83667336921005 1.83667281837971 1.83667392004822 3.70370271349918 3.57701965171642 2469219.593356025 1.13253182990621 234.976701769443 9.51046509748018 -83.7737638262907 2751596.87257253 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 18:50:58 2020-Feb-23 18:50
2071-Feb-11 08:21 00:02 Jupiter 1.80065480945801 1.80065391972731 1.80065569919097 3.65347027873103 3.52236443227358 2477518.847589207 1.97559330976167 303.99600368799 41.1601745337737 -86.2289973837561 2617173.77451235 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 18:50:58 2020-Feb-23 18:50
2131-Nov-25 01:54 00:04 Jupiter 1.98865366577797 1.98865074908043 1.98865658255905 3.5666795400824 3.44519196979539 2499719.578822060 4.23374220540756 675.13186668837 11.9497297567208 -77.1755034464232 2787495.13679961 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 18:50:58 2020-Feb-23 18:50
2154-Aug-08 04:21 00:05 Jupiter 1.76242917865551 1.76242875374822 1.76242960356531 3.73317290235928 3.60213561572527 2508011.681163661 4.70845773787239 574.353249691883 19.7708777257144 -89.4655670806548 2610093.26516342 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 18:50:58 2020-Feb-23 18:50
2177-Apr-15 01:23 00:06 Jupiter 1.98286165129423 1.98285749818838 1.98286580573832 3.56003850699905 3.43795442622534 2516297.557638953 6.12960871058651 2666.9216061378 32.8020471911905 -85.4937129206918 2240095.51895618 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 18:50:58 2020-Feb-23 18:50

Alternate Designations
 1999 GQ39 = 2001 WQ36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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