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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03422714764015629 4.2293e-08  
a 3.100860323215116 2.6788e-08 au
q 2.99472671912093 1.3777e-07 au
i 11.02188328723082 7.1156e-06 deg
node 22.26121067514513 2.3894e-05 deg
peri 287.0050935076378 0.00010527 deg
M 247.8711690866637 0.00010304 deg
tp 2459621.707265269621
(2022-Feb-11.20726527)
0.00057147 TDB
period 1994.443477876883
5.46
2.5844e-05
7.076e-08
d
yr
n .180501480234088 2.339e-09 deg/d
Q 3.206993927309303 2.7705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      566  
   data-arc span      16939 days (46.38 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:42:12  

Additional Information
 Earth MOID = 2.00551 au 
 Jupiter MOID = 1.89227 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456828.5 (2014-Jun-20.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03239099008002896 4.2181e-08  
q 3.001445421532613 1.3709e-07 au
tp 2457624.942535052309
(2016-Aug-24.44253505)
0.00060337 TDB
node 22.29491309571069 2.3896e-05 deg
peri 286.7191097475927 0.00011113 deg
i 11.02047276178709 7.1144e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      566  
   data-arc span      16939 days (46.38 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:42:12  

Additional Information
 Jupiter MOID = 1.89227 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.779249219260075E-15 -5.68165028179767E-15 4.681092280420967E-12 1.865649046650716E-15 8.315630806057711E-13 -9.748361372736527E-17
q -5.68165028179767E-15 1.879261736967348E-14 -1.404454766967122E-11 -6.080102876776975E-15 -2.544416962388495E-12 3.415430117410568E-15
tp 4.681092280420967E-12 -1.404454766967122E-11 3.64049866340686E-7 1.181051528228724E-10 6.549000521633952E-8 -3.772247619932357E-12
node 1.865649046650716E-15 -6.080102876776975E-15 1.181051528228724E-10 5.710111012321348E-10 -5.385329207755944E-10 7.140873157247645E-12
peri 8.315630806057711E-13 -2.544416962388495E-12 6.549000521633952E-8 -5.385329207755944E-10 1.234944104303718E-8 -7.621741564486929E-12
i -9.748361372736527E-17 3.415430117410568E-15 -3.772247619932357E-12 7.140873157247645E-12 -7.621741564486929E-12 5.061469639281939E-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 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 08:10 00:02 Jupiter 1.8770557660156 1.87705516946617 1.87705636256545 4.41537084406338 4.31195993917739 2434079.839986047 2.3450517934356 134.735528585624 24.7417106668243 -85.2080625418563 2309987.52116766 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 14:42:24 2020-Feb-23 14:42
2023-Jan-25 18:55 < 00:01 Jupiter 1.89503511569566 1.89503452793091 1.89503570346051 4.50973567880862 4.40950987029541 2459970.288426008 0.405951014903111 107.730143487723 25.3262496423894 -84.9408566739224 2563628.58265804 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 14:42:24 2020-Feb-23 14:42
2083-Nov-11 09:38 00:03 Jupiter 1.97335527695695 1.97335434620969 1.97335620770522 3.77172632454232 3.65615375050853 2482174.901575261 2.80623924022143 99.1713498357008 21.2556445316715 -63.4850644113575 2295708.9620831 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 14:42:24 2020-Feb-23 14:42
2093-Dec-14 23:07 00:03 Jupiter 1.92502999502488 1.92502910833061 1.92503088172363 4.58464927105988 4.487649636251 2485861.463025879 3.03527627751015 212.129788818252 27.8771818513961 -81.3246064382571 2521508.684379 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 14:42:24 2020-Feb-23 14:42
2154-Sep-27 01:51 00:06 Jupiter 1.94121023596474 1.94120892186124 1.94121155007089 3.94842248480341 3.83632186257621 2508061.577412572 5.55804352458381 144.182152822046 26.4848003182298 -61.2851090995957 2178113.2431631 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 14:42:24 2020-Feb-23 14:42
2164-Nov-04 09:06 00:06 Jupiter 1.96787742712849 1.96787566650943 1.96787918776277 4.64522818040992 4.55162564280209 2511752.878961849 5.70451702374412 313.384266704912 32.998486846334 -75.1297792871012 2674945.04183537 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 14:42:24 2020-Feb-23 14:42

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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