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JPL Small-Body Database Browser
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39411 (2266 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2039411
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09803136536767573 4.4425e-08  
a 3.005530491786713 2.5181e-08 au
q 2.71089423402268 1.3473e-07 au
i 1.762386143386401 4.59e-06 deg
node 99.80785274537283 0.00022074 deg
peri 11.69540826863589 0.00022373 deg
M 219.4248235227805 3.7153e-05 deg
tp 2459743.666750589608
(2022-Jun-13.16675059)
0.00019973 TDB
period 1903.181179755549
5.21
2.3918e-05
6.548e-08
d
yr
n .1891569777115175 2.3772e-09 deg/d
Q 3.300166749550747 2.7649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      17250 days (47.23 yr)  
   first obs. used      1971-03-24  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54508  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 19:32:57  

Additional Information
 Earth MOID = 1.72755 au 
 Jupiter MOID = 1.78802 au 
 T_jup = 3.243 
[ 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 MPO351107  
diameter diameter 6.443 km 0.349 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.107   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39411 (2266 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/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
1926-Jul-20 07:23 00:03 Jupiter 1.80365622594964 1.80365565740536 1.80365679449391 2.4178663792398 2.21514096485638 2424716.807706806 3.31441036386583 142.908259145583 6.50393563820624 -87.0877253578773 1937125.69882636 T 15 CATAB v2.0e-lin.ifort 2018-Oct-03 19:33:00 2018-Dec-17 16:27
1963-Nov-12 20:24 00:02 Jupiter 1.98605094312399 1.98604992772741 1.98605195852103 3.60099966531203 3.48054981276724 2438346.350024442 1.79757134122264 88.9319539946364 26.1538596496074 69.7635049622785 1954731.14690762 T 15 CATAB v2.0e-lin.ifort 2018-Oct-03 19:33:00 2018-Dec-17 16:27
1972-Nov-23 00:39 00:02 Jupiter 1.88344565713415 1.88344514050695 1.88344617376124 2.477565988589 2.28886302213349 2441644.527160893 1.56845148414306 68.1356989858356 12.2576745496111 -87.1149805227249 2646393.55539173 T 15 CATAB v2.0e-lin.ifort 2018-Oct-03 19:33:00 2018-Dec-17 16:27
2010-Mar-22 15:29 < 00:01 Jupiter 1.81926673327548 1.81926608503179 1.81926738151895 2.63734065557802 2.45446462550843 2455278.145369041 0.285358012418076 50.6015108936295 12.6002826527085 88.052268508069 1808942.82888896 T 15 CATAB v2.0e-lin.ifort 2018-Oct-03 19:33:00 2018-Dec-17 16:27
2056-Jul-24 00:52 00:02 Jupiter 1.82013271530852 1.82013213967668 1.82013329094025 2.36452132682184 2.15875774476685 2472203.535979147 1.65879027137349 78.6866373351805 10.8794423916048 -84.7060304329971 2285226.48879143 T 15 CATAB v2.0e-lin.ifort 2018-Oct-03 19:33:00 2018-Dec-17 16:27
2093-Nov-22 04:39 00:03 Jupiter 1.8887849240092 1.88878400053224 1.88878584748798 3.05846672475469 2.90814751540365 2485838.693771878 3.03596236685505 150.775430261169 19.7498791971377 82.7118689062913 1891136.90563851 T 15 CATAB v2.0e-lin.ifort 2018-Oct-03 19:33:00 2018-Dec-17 16:27
2102-Dec-01 00:42 00:03 Jupiter 1.98023817103458 1.9802368457567 1.9802394963119 2.76631010832124 2.6071049500108 2489133.528901903 3.32243790617139 62.8408165515682 45.7735858353461 88.3791302263034 1350966.44837115 T 15 CATAB v2.0e-lin.ifort 2018-Oct-03 19:33:00 2018-Dec-17 16:27
2140-Mar-28 01:40 00:05 Jupiter 1.78731924806898 1.78731869385119 1.78731980228687 2.39030677331991 2.18306049561718 2502765.569438711 4.83300733673647 214.270695539988 7.16656733464751 -85.1471490337419 1965366.31422895 T 15 CATAB v2.0e-lin.ifort 2018-Oct-03 19:33:00 2018-Dec-17 16:27
2177-Jul-21 05:39 00:06 Jupiter 1.98497235646817 1.9849702465096 1.98497446643598 3.58934992129392 3.46842871955621 2516394.735338711 6.01747611157394 253.643181019111 24.9630008284565 72.0400966914431 2033919.70212889 T 15 CATAB v2.0e-lin.ifort 2018-Oct-03 19:33:00 2018-Dec-17 16:27
2186-Jul-30 20:37 00:07 Jupiter 1.87453454420458 1.87453254303508 1.87453654537494 2.48012907093233 2.29070408039602 2519691.359062736 6.54036597877773 137.15746659979 29.6382905462077 -65.7726979455539 1618472.25481326 T 15 CATAB v2.0e-lin.ifort 2018-Oct-03 19:33:00 2018-Dec-17 16:27

Alternate Designations
 2266 T-1 = 1994 RR21 = 2000 UV51 = 2000 VH62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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