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JPL Small-Body Database Browser
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185649 (1802 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2185649
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2001794780728354 7.9647e-08  
a 3.162108719745694 3.9743e-08 au
q 2.529119446617439 2.404e-07 au
i 26.09213425000784 1.1851e-05 deg
node 214.2616087282931 1.4554e-05 deg
peri 234.8122984615158 2.7427e-05 deg
M 175.3990159445655 2.4648e-05 deg
tp 2457999.836001343793
(2017-Sep-03.33600134)
0.00013465 TDB
period 2053.825887085291
5.62
3.8721e-05
1.06e-07
d
yr
n .1752826285147754 3.3046e-09 deg/d
Q 3.795097992873949 4.7699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      15211 days (41.65 yr)  
   first obs. used      1977-10-07  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:07:55  

Additional Information
 Earth MOID = 1.61926 au 
 Jupiter MOID = 1.86307 au 
 T_jup = 3.017 
[ 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 15.1   n/a MPO385818  
diameter diameter 5.261 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185649 (1802 T-3)          Discovered 1977-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ 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
1935-Oct-10 14:07 00:03 Jupiter 1.89649152072108 1.89648981514172 1.8964932263373 6.58220784457502 6.5140009218748 2428086.088174548 3.33016358747913 556.535226396886 54.3650090870972 -83.2540141945419 1743817.7683985 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 20:08:09 2020-Feb-24 20:08
2042-Mar-23 05:59 00:01 Jupiter 1.88842165962394 1.88842060289204 1.88842271636197 6.66010359550799 6.59241311183941 2466966.749586446 1.41613333494921 312.717717760825 42.73029700372 84.602761962436 1847677.57669398 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 20:08:09 2020-Feb-24 20:08
2148-Sep-06 04:27 00:06 Jupiter 1.93611829247395 1.93611537857537 1.93612120666055 6.74921964361337 6.68408527769932 2505849.685228047 6.10960306624262 1243.46783116513 40.6450269830667 83.630422669346 2021641.37454097 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 20:08:09 2020-Feb-24 20:08

Alternate Designations
 1802 T-3 = 2005 TX82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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