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JPL Small-Body Database Browser
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65580 (4181 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2065580
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 .03422715202875759 4.1033e-08  
a 3.100860327397505 2.5072e-08 au
q 2.994726709551728 1.359e-07 au
i 11.02188406887269 6.9059e-06 deg
node 22.26121690053429 2.1269e-05 deg
peri 287.0050746342148 0.00010028 deg
M 247.8711804261665 9.9422e-05 deg
tp 2459621.707203704217
(2022-Feb-11.20720370)
0.00055222 TDB
period 1994.443481911992
5.46
2.4189e-05
6.623e-08
d
yr
n .1805014798689019 2.1892e-09 deg/d
Q 3.206993945243283 2.5931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      641  
   data-arc span      17023 days (46.61 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53959  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:52:24  

Additional Information
 Earth MOID = 2.00551 au 
 Jupiter MOID = 1.89227 au 
 T_jup = 3.193 
[ 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 14.6   n/a MPO287225  

65580 (4181 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030614/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
1952-Mar-08 08:09 00:02 Jupiter 1.87705574301895 1.87705516272255 1.87705632331576 4.41537095010263 4.31196004647759 2434079.839912085 2.23551667872888 123.517344323222 23.0755464474968 -84.1055650549858 2347425.41942186 T 20 CATAB v2.0f-lin.ifort 2020-May-20 12:52:40 2020-May-20 12:52
2023-Jan-25 18:55 < 00:01 Jupiter 1.89503509588866 1.89503452635768 1.8950356654198 4.50973569156182 4.40950988227902 2459970.288441502 0.384565610698989 96.6433193105105 24.2064046283243 -83.9824143130031 2611770.22088237 T 20 CATAB v2.0f-lin.ifort 2020-May-20 12:52:40 2020-May-20 12:52
2083-Nov-11 09:38 00:03 Jupiter 1.97335527487995 1.9733543449889 1.97335620477189 3.77172618437188 3.65615360578367 2482174.901675162 2.64887767028434 94.3356964104182 19.1780149517258 -61.7004897302174 2499056.6941111 T 20 CATAB v2.0f-lin.ifort 2020-May-20 12:52:40 2020-May-20 12:52
2093-Dec-14 23:07 00:03 Jupiter 1.92502995663359 1.92502912110847 1.92503079216288 4.58464924124148 4.48764960383269 2485861.463129663 2.87881326375109 201.148047199668 26.1726979090898 -81.3565110444543 2599949.29197732 T 20 CATAB v2.0f-lin.ifort 2020-May-20 12:52:40 2020-May-20 12:52
2154-Sep-27 01:52 00:05 Jupiter 1.94121025338449 1.9412089512639 1.94121155550751 3.94842222595456 3.83632159718422 2508061.577596888 5.26551085424996 136.976092048281 23.6758863902162 -59.8665371772886 2307106.51896764 T 20 CATAB v2.0f-lin.ifort 2020-May-20 12:52:40 2020-May-20 12:52
2164-Nov-04 09:06 00:05 Jupiter 1.96787735227587 1.96787568464 1.96787901992584 4.64522815079986 4.55162560898611 2511752.879150141 5.41466902246891 299.195433224124 30.2990427379092 -75.1758245612331 2745521.89374229 T 20 CATAB v2.0f-lin.ifort 2020-May-20 12:52:40 2020-May-20 12:52

Alternate Designations
 4181 T-2 = 2001 TD34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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