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11263 Pesonen (1979 OA)
Classification: Main-belt Asteroid          SPK-ID: 2011263
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3802684073304343 3.9519e-08  
a 2.900424074269509 1.5132e-08 au
q 1.797484430964193 1.1266e-07 au
i 25.20348920219292 4.3471e-06 deg
node 297.6710083622874 1.5723e-05 deg
peri 341.8892503022864 2.0726e-05 deg
M 143.4490557307199 1.6242e-05 deg
tp 2458481.571216356209
(2018-Dec-29.07121636)
7.9048e-05 TDB
period 1804.22492705429
4.94
1.4119e-05
3.866e-08
d
yr
n .1995316629328265 1.5615e-09 deg/d
Q 4.003363717574825 2.0886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1410  
   data-arc span      15123 days (41.40 yr)  
   first obs. used      1979-07-23  
   last obs. used      2020-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45764  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:38:44  

Additional Information
 Earth MOID = .790556 au 
 Jupiter MOID = 1.28245 au 
 T_jup = 3.044 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457568.5 (2016-Jun-29.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3804142192144742 3.9415e-08  
q 1.795800371141151 1.1232e-07 au
tp 2456679.699079420050
(2014-Jan-22.19907942)
7.4982e-05 TDB
node 297.6970293516364 1.5732e-05 deg
peri 341.8855441740345 2.0748e-05 deg
i 25.2007708838889 4.3472e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1410  
   data-arc span      15123 days (41.40 yr)  
   first obs. used      1979-07-23  
   last obs. used      2020-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45764  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:38:44  

Additional Information
 Jupiter MOID = 1.28245 au 
 T_jup = 3.044 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.553571683678528E-15 -4.412882074718622E-15 1.516711322714702E-12 -1.041919161624326E-14 2.349661708962151E-13 -1.245202694668715E-14
q -4.412882074718622E-15 1.261659131171527E-14 -4.253632647283604E-12 3.228408553255202E-14 -6.478540009645042E-13 3.506041505286317E-14
tp 1.516711322714702E-12 -4.253632647283604E-12 5.622272670816348E-9 -5.421439195895273E-11 1.095028095746101E-9 -5.716400789100326E-11
node -1.041919161624326E-14 3.228408553255202E-14 -5.421439195895273E-11 2.475036615962735E-10 -2.333202907184555E-10 2.524722432999879E-11
peri 2.349661708962151E-13 -6.478540009645042E-13 1.095028095746101E-9 -2.333202907184555E-10 4.304699702035543E-10 -3.356625112960183E-11
i -1.245202694668715E-14 3.506041505286317E-14 -5.716400789100326E-11 2.524722432999879E-11 -3.356625112960183E-11 1.889846224743895E-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 13.8   n/a MPO449023  
diameter diameter 10.079 km 1.924 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.026   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

11263 Pesonen           Discovered 1979 July 23 by E. Bowell at the Anderson Mesa Station of the Lowell Observatory.
Lauri Pesonen (b. 1944) is an emeritus Professor of geophysics at the University of Helsinki. An expert in supercontinents, he also studied terrestrial impact craters. He introduced planetary geophysics at the University and raised public awareness in Finland about asteroid impacts.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-07-12Last Updated: 2014-08-13

[ 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
1907-Sep-15 07:33 00:02 Jupiter 1.47677121595429 1.47676824310412 1.47677418880547 5.68473905701764 5.58293207421783 2417833.814457247 1.49715186346659 161.189403089471 41.6573440212285 24.1203260201787 2482682.62536148 T 29 CATAB v2.0f-lin.ifort 2021-Apr-12 22:38:48 2021-Apr-12 22:38
1942-May-30 17:29 < 00:01 Jupiter 1.7132148273176 1.71321173389392 1.71321792074117 7.243745912558 7.17516858490513 2430510.228439630 0.954942223723692 154.248442713182 65.9655930540992 9.50552765780415 1093152.47132841 T 29 CATAB v2.0f-lin.ifort 2021-Apr-12 22:38:48 2021-Apr-12 22:38
1967-Apr-04 03:11 00:01 Jupiter 1.73520016159426 1.73519734928823 1.73520297390059 5.77019409536132 5.6849676958885 2439584.632584454 1.14869374766812 144.19065662664 43.7111550825695 14.7292158650569 2134063.89468744 T 29 CATAB v2.0f-lin.ifort 2021-Apr-12 22:38:48 2021-Apr-12 22:38
2001-Nov-25 20:05 < 00:01 Jupiter 1.45460136776412 1.45460033063808 1.45460240489018 6.61820524756336 6.52962705781264 2452239.336830828 0.410965367600185 73.1485131210501 49.0585653527512 75.4965556759288 2576148.99796257 T 29 CATAB v2.0f-lin.ifort 2021-Apr-12 22:38:48 2021-Apr-12 22:38
2061-Apr-28 18:40 < 00:01 Jupiter 1.3418336993857 1.34183248346462 1.34183491530715 6.34323920476076 6.24293188582827 2473943.277448313 0.721329835088353 84.2615065293973 45.7880546686818 57.4979246737424 2411570.84506343 T 29 CATAB v2.0f-lin.ifort 2021-Apr-12 22:38:48 2021-Apr-12 22:38
2120-Aug-31 16:56 00:01 Jupiter 1.31674027741158 1.31673826127738 1.31674229354593 6.2892640453436 6.18613754180749 2495617.205328878 1.47150876791395 105.457857682864 64.4915492082899 26.6552116074783 1361820.11526889 T 29 CATAB v2.0f-lin.ifort 2021-Apr-12 22:38:48 2021-Apr-12 22:38
2179-Dec-04 09:20 00:02 Jupiter 1.35565088049251 1.35564685577603 1.35565490520977 6.39304242209546 6.29455113106689 2517260.889087354 2.46248519416456 208.304377165396 68.061944737489 19.6680653031952 916556.727037459 T 29 CATAB v2.0f-lin.ifort 2021-Apr-12 22:38:48 2021-Apr-12 22:38

Alternate Designations
 1979 OA = 1969 OY = 2001 YS82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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