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120851 (1998 OF12)
Classification: Main-belt Asteroid          SPK-ID: 2120851
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2144131222998149 3.7323e-08  
a 2.727251174786693 1.7685e-08 au
q 2.14249273510484 1.0697e-07 au
i 8.214441572434763 4.8244e-06 deg
node 326.8721079734711 2.9349e-05 deg
peri 293.748577874303 3.1603e-05 deg
M 16.94730849444094 1.1281e-05 deg
tp 2459123.056607873035
(2020-Sep-30.55660787)		 5.1487e-05 TDB
period 1645.076631186149
4.50		 1.6001e-05
4.381e-08		 d
yr
n .2188347905352161 2.1285e-09 deg/d
Q 3.312009614468546 2.1477e-08 au
   Orbit Determination Parameters
   # obs. used (total)      605  
   data-arc span      7972 days (21.83 yr)  
   first obs. used      1998-07-29  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .532  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:08:25  

Additional Information
 Earth MOID = 1.14134 au 
 Jupiter MOID = 1.86812 au 
 T_jup = 3.308 
[ 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 15.50   n/a E2021B55  

120851 (1998 OF12)          Discovered 1998-Jul-29 by Broughton, J. at Reedy Creek
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ 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
1905-Jul-03 07:41 00:03 Jupiter 1.89284217218807 1.89284124013256 1.89284310423959 1.3933184600828 1.02291840889466 2417029.820104880 3.40734001458959 573.666540324916 117.706226525813 9.35252178108793 626612.948268918 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:27 2021-Apr-13 17:08
1941-Nov-26 13:17 00:02 Jupiter 1.85390870510987 1.85390823194783 1.85390917827159 1.41025190514321 1.03684186272185 2430325.053466950 2.19066290905028 344.198136859177 89.6273523880709 -22.8639540386429 1482437.11472219 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:27 2021-Apr-13 17:08
1978-Apr-13 21:55 00:01 Jupiter 1.97482515429533 1.97482455255427 1.97482575603627 2.35930846827236 2.16991156294906 2443612.412995972 1.07392802225478 101.156283138186 18.0736688785686 -83.2526929651609 2181847.71671669 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:27 2021-Apr-13 17:08
2036-Jan-15 04:31 < 00:01 Jupiter 1.9004854683568 1.90048494991624 1.90048598679672 1.38375485548692 1.01163363510955 2464707.688278160 0.69714039879221 169.371001421685 117.764306764713 3.1305620083311 1617021.19058378 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:27 2021-Apr-13 17:08
2072-Jun-09 09:53 00:02 Jupiter 1.85474155671896 1.85474108641458 1.85474202702334 1.53020830354972 1.19506417519409 2478002.911765106 1.7527938740242 264.099155422815 64.7796433850276 -39.511854823517 1982222.81079854 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:27 2021-Apr-13 17:08
2108-Oct-23 07:41 00:03 Jupiter 1.96304664079318 1.96304523282151 1.96304804876774 2.41730731700332 2.23168263508657 2491286.819973224 2.77256823995742 183.81622460633 24.2782436068825 88.4295994557802 1761467.70432409 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:27 2021-Apr-13 17:08
2166-Jul-30 06:02 00:05 Jupiter 1.90755410203109 1.90755259897464 1.90755560508146 1.39872108388065 1.03360962719873 2512385.751053161 4.76748446836909 514.786284992855 113.785740728989 -17.6534567089729 776071.459009184 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:27 2021-Apr-13 17:08

Alternate Designations
 1998 OF12 = 2003 SK128 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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