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249642 (1999 TU188)
Classification: Main-belt Asteroid          SPK-ID: 2249642
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1811501107337198 5.4228e-08  
a 3.174661064600701 4.2382e-08 au
q 2.599570861206255 1.6136e-07 au
i 9.306981754150623 6.5109e-06 deg
node 318.3686161776196 3.2327e-05 deg
peri 136.6999670231821 3.7636e-05 deg
M 229.6334113245026 2.269e-05 deg
tp 2459948.683757902098
(2023-Jan-04.18375790)
0.00014032 TDB
period 2066.067353462778
5.66
4.1374e-05
1.133e-07
d
yr
n .1742440774724171 3.4893e-09 deg/d
Q 3.749751267995147 5.006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      8031 days (21.99 yr)  
   first obs. used      1998-08-20  
   last obs. used      2020-08-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57214  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:08:16  

Additional Information
 Earth MOID = 1.62544 au 
 Jupiter MOID = 1.45732 au 
 T_jup = 3.155 
[ 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 15.43   n/a E2021B55  
diameter diameter 5.297 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 1.35 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.052   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249642 (1999 TU188)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ 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
1914-Sep-30 12:22 00:05 Jupiter 1.59720326506036 1.59720035113159 1.59720617921828 2.96329419030759 2.77857524239484 2420406.015090671 4.69522000425881 1144.49001502463 51.1170838621601 84.3143898441001 1050670.74236458 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 02:08:17 2021-Apr-14 02:08
1925-May-01 06:46 00:04 Jupiter 1.5300725430902 1.53007123921808 1.53007384703321 2.32889708753972 2.07764173295259 2424271.782133731 3.95558682488925 665.094056706039 21.5387111115886 80.3574389634056 1638397.53357601 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 02:08:17 2021-Apr-14 02:08
1935-Oct-04 14:46 00:04 Jupiter 1.94851491559608 1.94851239388486 1.94851743730365 1.78649233834727 1.523860792967 2428080.115206233 4.03380889823129 114.331876728348 48.6938091795758 85.5579284921187 890849.924414119 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 02:08:17 2021-Apr-14 02:08
2010-Jan-12 03:22 < 00:01 Jupiter 1.68823156712361 1.68823065466795 1.68823247958532 3.04547920772888 2.87602157278 2455208.640558715 0.520693497788664 452.048625580091 32.8230845477124 87.3234027352461 1698336.66464872 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 02:08:17 2021-Apr-14 02:08
2020-Aug-09 12:59 < 00:01 Jupiter 1.46577759347256 1.46577687302803 1.46577831393808 2.56845851856783 2.33264825384643 2459071.040671536 0.389194098534245 488.186637707333 6.85387462265142 85.2729625760285 1590127.45590562 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 02:08:17 2021-Apr-14 02:08
2031-Feb-11 01:55 00:01 Jupiter 1.82337046738281 1.82336947884698 1.82337145591832 1.87250453959291 1.60536595153992 2462908.580198450 1.0537710500242 97.3475224731973 73.9132099627695 69.6291739589472 1463489.81746568 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 02:08:17 2021-Apr-14 02:08
2105-May-05 19:36 00:04 Jupiter 1.815338889053 1.81533602945946 1.81534174868689 3.12185201418829 2.96863202496029 2490020.316748647 4.33102828403823 507.140526788491 52.2168103329523 76.4578277081843 1541028.56229804 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 02:08:17 2021-Apr-14 02:08
2115-Nov-13 09:01 00:04 Jupiter 1.45454760289016 1.45454696439231 1.45454824140835 2.7100884617296 2.48594554199714 2493863.875582782 4.26572851209019 902.907583301048 24.4746562195448 88.4561281255757 1639045.68103679 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 02:08:17 2021-Apr-14 02:08
2126-Jun-08 08:59 00:06 Jupiter 1.70379806606745 1.70379427805977 1.70380185410157 2.16782420099122 1.92488598675963 2497723.874058606 5.56849153583008 426.014077939998 46.6343472569409 55.3390786889331 1428403.58648076 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 02:08:17 2021-Apr-14 02:08
2200-Aug-28 14:08 00:09 Jupiter 1.93726191537459 1.93725566043877 1.93726817033937 3.23869594059428 3.10075766914726 2524833.089188014 9.21122605002094 503.090353570256 60.480807624152 58.802535396588 1325431.3178998 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 02:08:17 2021-Apr-14 02:08

Alternate Designations
 1999 TU188 = 1998 QR2 = 1999 VK215 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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