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JPL Small-Body Database Browser
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52191 (4263 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2052191
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1974671795835099 4.2789e-08  
a 2.355993389818423 8.6491e-09 au
q 1.890762020013586 1.0011e-07 au
i 3.247124978018193 4.0486e-06 deg
node 101.8985658411195 7.0964e-05 deg
peri 324.2933317581292 7.1646e-05 deg
M 285.1590348661786 1.0888e-05 deg
tp 2459275.097391230040
(2021-Mar-01.59739123)
4.078e-05 TDB
period 1320.868332818183
3.62
7.2736e-06
1.991e-08
d
yr
n .2725479830619529 1.5008e-09 deg/d
Q 2.821224759623259 1.0357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      873  
   data-arc span      16771 days (45.92 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53549  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:20:40  

Additional Information
 Earth MOID = .905725 au 
 Jupiter MOID = 2.48439 au 
 T_jup = 3.526 
[ 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 15.9   n/a MPO337675  

52191 (4263 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ 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
1983-Jun-20 21:30 < 00:01 Iris 0.0495107437207978 0.0495102133378511 0.049511274104458 2.94164693418086 2.94164689470942 2445506.395796801 0.641721235844884 112.77359845876 26.325857245768 -88.8138716661685 281006.821415874 T 20 CATAB v2.0f-lin.ifort 2019-Sep-24 02:20:44 2019-Sep-24 02:20
2023-Jul-31 18:08 < 00:01 Eunom 0.046326651190973 0.0463244785497432 0.0463288238323755 4.76661386922457 4.76661380565445 2460157.255737899 0.400882847045544 108.361016267545 20.6299964341723 2.46775842706925 65464.5478727659 T 20 CATAB v2.0f-lin.ifort 2019-Sep-24 02:20:44 2019-Sep-24 02:20

Alternate Designations
 4263 T-2 = 1991 TZ13 = 1993 FC54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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