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91624 (1999 TP44)
Classification: Main-belt Asteroid          SPK-ID: 2091624
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01033209744483212 3.8043e-08  
a 3.197617669794892 2.8144e-08 au
q 3.164579572439254 1.1777e-07 au
i 7.451402359340774 4.5528e-06 deg
node 222.46835139 3.4384e-05 deg
peri 244.1838656671459 0.00024354 deg
M 138.9709968054635 0.00024228 deg
tp 2458194.268241767249
(2018-Mar-16.76824177)
0.0014032 TDB
period 2088.518033515174
5.72
2.7574e-05
7.549e-08
d
yr
n .1723710277924131 2.2757e-09 deg/d
Q 3.23065576715053 2.8435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      656  
   data-arc span      7513 days (20.57 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:42:44  

Additional Information
 Earth MOID = 2.188 au 
 Jupiter MOID = 1.78386 au 
 T_jup = 3.182 
[ 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 14.5   n/a MPO432453  
diameter diameter 8.052 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91624 (1999 TP44)          Discovered 1999-Oct-03 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ 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
1988-Nov-21 07:48 00:01 Jupiter 1.89896908239307 1.89896857333997 1.8989695914465 4.09581612042283 3.98542632705394 2447486.825291665 1.00716153460303 69.2223455300283 18.4951604051463 77.6504099021299 4175287.37980022 T 16 CATAB v2.0f-lin.ifort 2020-May-20 16:42:56 2020-May-20 16:43
1999-Nov-24 09:24 < 00:01 Jupiter 1.79835112669966 1.7983506919425 1.79835156145682 3.75171683168841 3.62400057216026 2451506.891781525 0.597172767294978 54.7641654570048 18.4057264746195 86.4731808527746 3366176.49226437 T 16 CATAB v2.0f-lin.ifort 2020-May-20 16:42:56 2020-May-20 16:43
2010-Nov-22 16:15 < 00:01 Jupiter 1.79436278740376 1.79436230592819 1.79436326887924 3.30860145969297 3.16271256912037 2455523.177419382 0.256218175992106 39.2542104892894 19.1746226779026 -82.7389147090749 2846197.84792903 T 16 CATAB v2.0f-lin.ifort 2020-May-20 16:42:56 2020-May-20 16:43
2021-Nov-09 11:03 < 00:01 Jupiter 1.86756122462217 1.86756068878071 1.86756176046363 3.02719238776008 2.87346556106136 2459527.960706007 0.444804216812644 41.7170515631097 14.4970685127877 -68.3795188025662 2950009.83086664 T 16 CATAB v2.0f-lin.ifort 2020-May-20 16:42:56 2020-May-20 16:43
2032-Oct-23 08:33 < 00:01 Jupiter 1.96955731181514 1.96955675706085 1.96955786656943 3.29803060679157 3.16494727712652 2463528.856592341 0.854827983826866 48.0300533832396 17.6829813755348 -72.0525711243435 3071821.25615353 T 16 CATAB v2.0f-lin.ifort 2020-May-20 16:42:56 2020-May-20 16:43
2143-Jan-19 12:21 00:05 Jupiter 1.87861139543105 1.87860989909985 1.87861289177421 3.99841973970608 3.88401938450003 2503793.014773539 4.7338142941339 260.706324333583 19.0136836496559 74.8581078300091 3919381.15946265 T 16 CATAB v2.0f-lin.ifort 2020-May-20 16:42:56 2020-May-20 16:43
2154-Jan-22 18:03 00:05 Jupiter 1.78437746937969 1.78437687446564 1.78437806430561 3.70768256200847 3.57736411954527 2507814.251929013 5.14911519934967 341.57660335541 18.5253485298249 87.7879032548187 3240998.59538683 T 16 CATAB v2.0f-lin.ifort 2020-May-20 16:42:56 2020-May-20 16:43
2165-Jan-20 21:39 00:06 Jupiter 1.79625408839944 1.79625312527124 1.79625505154571 3.32771254830551 3.18285595471245 2511830.402017673 5.76409060772581 335.402857956762 18.7820048891213 -80.8547611808704 2890634.63537238 T 16 CATAB v2.0f-lin.ifort 2020-May-20 16:42:56 2020-May-20 16:43
2176-Jan-09 12:24 00:06 Jupiter 1.88356303279408 1.88356139324277 1.88356467235985 3.10049918128802 2.9518997152151 2515836.016456747 6.42815987538914 288.588948447331 14.804920641271 -74.4292758000111 3143673.34746419 T 16 CATAB v2.0f-lin.ifort 2020-May-20 16:42:56 2020-May-20 16:43
2186-Dec-23 13:59 00:07 Jupiter 1.992083119632 1.99208135309392 1.99208488617303 3.38237248705968 3.25423645614349 2519837.082680714 6.79610506279762 156.934713795303 17.420527418496 -65.1004632422259 2518224.52791411 T 16 CATAB v2.0f-lin.ifort 2020-May-20 16:42:56 2020-May-20 16:43

Alternate Designations
 1999 TP44 = 2002 GT39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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