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312264 (2008 AB28)
Classification: Main-belt Asteroid          SPK-ID: 2312264
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298243798265019 6.5434e-08  
a 2.758718788073855 2.7046e-08 au
q 2.400569832296447 1.8368e-07 au
i 2.448472681873433 7.2599e-06 deg
node 6.727307673743538 0.00014434 deg
peri 132.5644115407989 0.00014634 deg
M 262.600399017171 2.3124e-05 deg
tp 2459453.308168474259
(2021-Aug-26.80816847)
0.00010957 TDB
period 1673.630476981844
4.58
2.4612e-05
6.738e-08
d
yr
n .2151012454369313 3.1632e-09 deg/d
Q 3.116867743851262 3.0557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6549 days (17.93 yr)  
   first obs. used      2002-12-06  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57753  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:10:53  

Additional Information
 Earth MOID = 1.41459 au 
 Jupiter MOID = 1.90247 au 
 T_jup = 3.329 
[ 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 17.0   n/a MPO494654  

312264 (2008 AB28)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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
1950-Dec-21 03:13 00:03 Jupiter 1.90507452757 1.90507389280782 1.90507516233229 2.4519613005567 2.26337944765768 2433636.634334808 2.74573872799932 163.270493962815 13.8952928220476 89.7307195028098 1575393.56980094 T 11 CATAB v2.0f-lin.ifort 2020-Dec-18 06:10:54 2020-Dec-18 06:10
2010-Oct-16 04:12 < 00:01 Jupiter 1.94899444997766 1.94899387056026 1.94899502939494 2.70244933719679 2.53654157591093 2455485.675170903 0.332666461660842 63.8374083838484 13.55228079811 -86.4926338657401 1872238.74995724 T 11 CATAB v2.0f-lin.ifort 2020-Dec-18 06:10:54 2020-Dec-18 06:10
2033-Jan-14 07:01 < 00:01 Jupiter 1.96829375170049 1.96829313664032 1.96829436676056 2.46979876642706 2.288938438148 2463611.792600018 0.833109181611542 63.3968728653193 16.1024460601052 89.8879519956525 1891929.4904846 T 11 CATAB v2.0f-lin.ifort 2020-Dec-18 06:10:54 2020-Dec-18 06:10
2092-Nov-10 02:28 00:03 Jupiter 1.91044245129889 1.91044172117916 1.9104431814207 2.37365182917526 2.17887444460114 2485461.602644898 3.33933709936701 168.447027673088 19.7392974231905 -84.0020955729761 1746053.27111285 T 11 CATAB v2.0f-lin.ifort 2020-Dec-18 06:10:54 2020-Dec-18 06:10
2152-Sep-08 09:45 00:06 Jupiter 1.90146607485101 1.90146538250132 1.90146676720578 2.43523361912742 2.24487139453905 2507312.906408573 5.89084050169051 334.123083149047 13.9926135972123 -88.9536077527276 1563607.92560222 T 11 CATAB v2.0f-lin.ifort 2020-Dec-18 06:10:54 2020-Dec-18 06:10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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