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249630 (1999 TT71)
Classification: Main-belt Asteroid          SPK-ID: 2249630
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 .09803991638837603 5.7665e-08  
a 3.157404846904861 4.1614e-08 au
q 2.847853139710055 1.9604e-07 au
i 6.907125313785933 9.3665e-06 deg
node 28.73137797594915 5.2717e-05 deg
peri 272.1750216041037 7.1504e-05 deg
M 357.5641680739596 5.0802e-05 deg
tp 2459214.365599492908
(2020-Dec-30.86559949)
0.00028929 TDB
period 2049.244762778447
5.61
4.0513e-05
1.109e-07
d
yr
n .1756744760503366 3.473e-09 deg/d
Q 3.466956554099666 4.5694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      7137 days (19.54 yr)  
   first obs. used      1999-10-09  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56331  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:33:50  

Additional Information
 Earth MOID = 1.84177 au 
 Jupiter MOID = 1.76608 au 
 T_jup = 3.187 
[ 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 16.4   n/a MPO433636  
diameter diameter 3.472 km 1.426 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249630 (1999 TT71)          Discovered 1999-Oct-09 by Spacewatch at Kitt Peak
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
1978-Sep-11 23:41 00:02 Jupiter 1.89429379095766 1.89429289474979 1.89429468716617 2.56808154570228 2.38762526150736 2443763.486968603 2.42644054834483 101.078428940696 14.4971350948394 -71.9361709745567 2066208.47028898 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 13:33:52 2019-Jul-13 13:33
1989-Apr-09 12:37 00:02 Jupiter 1.78865891442093 1.78865815253711 1.78865967630486 2.77046013491373 2.59390553172751 2447626.025489914 1.65120512372999 79.0051885114397 15.9248272702953 -73.3203904631047 1434623.26342275 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 13:33:52 2019-Jul-13 13:33
1999-Nov-17 00:47 < 00:01 Jupiter 1.83865150110574 1.83865069529446 1.83865230691712 3.65423122808701 3.5259117942015 2451499.532635081 0.892649619301225 96.5671626618301 29.1101490186203 -80.2737700061456 1625263.48548104 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 13:33:52 2019-Jul-13 13:33
2085-Apr-30 18:36 00:05 Jupiter 1.87788922123977 1.8778880275351 1.8778904149454 2.52698945929748 2.34170346264206 2482711.274816937 4.59172913951463 116.915395561466 14.0550248543878 -70.7682628074503 1693896.31544262 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 13:33:52 2019-Jul-13 13:33
2095-Nov-27 16:41 00:05 Jupiter 1.80300956895197 1.80300875864503 1.80301037925923 2.87914540401712 2.71107230917777 2486574.195191921 5.3482455501938 95.9840522140059 23.5769799456296 -66.7607499367987 1239144.92566728 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 13:33:52 2019-Jul-13 13:33
2106-Jul-06 18:35 00:06 Jupiter 1.87612844754557 1.8761269377276 1.87612995737208 3.8413693907617 3.72198489268094 2490447.274467315 5.90303527700557 250.112243202625 30.8645479926727 -77.7373361486725 1543636.70033488 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 13:33:52 2019-Jul-13 13:33
2181-May-10 09:49 00:10 Jupiter 1.9949395937127 1.99493703441535 1.99494215301605 3.05425690749286 2.91192619511456 2517783.909340197 10.2589928469671 236.919101720217 27.2218815803034 -71.2459248933027 1150297.98668045 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 13:33:52 2019-Jul-13 13:33
2191-Dec-18 13:33 00:12 Jupiter 1.86338382559055 1.86338182878368 1.86338582240292 2.50517320657239 2.31662897940737 2521658.064524528 11.5447338376693 208.327925910142 15.0973894163431 -68.0564581199636 1781954.76953901 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 13:33:52 2019-Jul-13 13:33

Alternate Designations
 1999 TT71 = 1999 US62 = 2005 UP384 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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