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91826 (1999 TP281)
Classification: Outer Main-belt Asteroid          SPK-ID: 2091826
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07383627389859512 4.2791e-08  
a 3.204231031331243 2.4433e-08 au
q 2.967642551267491 1.3321e-07 au
i 15.48997831585638 4.6176e-06 deg
node 108.7362920714529 1.6111e-05 deg
peri 338.953739140122 3.3961e-05 deg
M 163.7267152487541 3.2538e-05 deg
tp 2458047.701185620707
(2017-Oct-21.20118562)
0.00018455 TDB
period 2095.000639665954
5.74
2.3963e-05
6.561e-08
d
yr
n .1718376563633898 1.9655e-09 deg/d
Q 3.440819511394995 2.6237e-08 au
  Orbit Determination Parameters
   # obs. used (total)      984  
   data-arc span      7582 days (20.76 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54223  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:41:47  

Additional Information
 Earth MOID = 1.98903 au 
 Jupiter MOID = 1.73211 au 
 T_jup = 3.132 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456803.5 (2014-May-26.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07611745560416956 4.2864e-08  
q 2.958493089618768 1.3394e-07 au
tp 2455953.374828993002
(2012-Jan-26.87482899)
0.0001706 TDB
node 108.7622143799242 1.612e-05 deg
peri 338.6527540782761 3.3149e-05 deg
i 15.48922747512084 4.6179e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      984  
   data-arc span      7582 days (20.76 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54223  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:41:47  

Additional Information
 Jupiter MOID = 1.73211 au 
 T_jup = 3.132 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.837362289805199E-15 -5.66075794816756E-15 -2.535030084582199E-13 -1.916852637734687E-15 -3.476824562516883E-14 2.284027823724825E-15
q -5.66075794816756E-15 1.794039560673135E-14 1.936981754887506E-12 8.390278312651036E-15 3.30500092545066E-13 -5.902735885856177E-15
tp -2.535030084582199E-13 1.936981754887506E-12 2.910277134226406E-8 -3.322164820962399E-12 4.964927672623853E-9 -3.770440874150273E-12
node -1.916852637734687E-15 8.390278312651036E-15 -3.322164820962399E-12 2.598498453106431E-10 -2.504482354265561E-10 -1.496665694480272E-11
peri -3.476824562516883E-14 3.30500092545066E-13 4.964927672623853E-9 -2.504482354265561E-10 1.098833198839258E-9 1.387447337400858E-11
i 2.284027823724825E-15 -5.902735885856177E-15 -3.770440874150273E-12 -1.496665694480272E-11 1.387447337400858E-11 2.132466326762404E-11

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 13.9   n/a MPO474797  
diameter diameter 8.853 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.098   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91826 (1999 TP281)          Discovered 1999-Oct-08 by LINEAR at Socorro
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
2010-Sep-16 08:49 < 00:01 Jupiter 1.99918952242389 1.99918892682814 1.99919011801975 3.27872372641957 3.14684975377704 2455455.867354888 0.29847486959904 44.1890884029789 15.948281538875 56.2366610184416 3450690.52945688 T 22 CATAB v2.0f-lin.ifort 2020-Jun-24 00:42:03 2020-Jun-24 00:42
2021-Sep-11 04:41 < 00:01 Jupiter 1.82665108404509 1.82665058852611 1.82665157956418 3.81550898599482 3.69197833088687 2459468.695450723 0.394117406114248 59.5884996781058 19.5749624313194 77.1393878202387 3213929.63135576 T 22 CATAB v2.0f-lin.ifort 2020-Jun-24 00:42:03 2020-Jun-24 00:42
2032-Oct-20 17:46 < 00:01 Jupiter 1.74084821800633 1.74084779549011 1.74084864052256 4.21614975818776 4.09912235245183 2463526.240138818 0.726283241509685 88.9118476216766 19.3063041048471 -89.1079629783828 3535898.95246283 T 22 CATAB v2.0f-lin.ifort 2020-Jun-24 00:42:03 2020-Jun-24 00:42
2043-Dec-18 04:18 00:01 Jupiter 1.80309355298835 1.80309286093291 1.80309424504461 4.35842834120647 4.2492794890875 2467601.679162968 1.13538695889995 106.90676316978 27.0569879362119 -78.9792730752261 3885390.34801714 T 22 CATAB v2.0f-lin.ifort 2020-Jun-24 00:42:03 2020-Jun-24 00:42
2055-Feb-07 14:21 00:02 Jupiter 1.98416585124251 1.98416473537391 1.98416696711123 4.29752620849335 4.19701674305798 2471671.097852853 1.62073686656829 94.9898508980343 54.6266296434529 -82.0421272580757 3741340.05533773 T 22 CATAB v2.0f-lin.ifort 2020-Jun-24 00:42:03 2020-Jun-24 00:42
2176-Jul-29 12:46 00:06 Jupiter 1.94460282282452 1.94460080079959 1.94460484486945 3.13413783818745 2.99193378711855 2516038.031898985 6.12175513780889 343.586638009052 18.7063807106929 69.0774163822225 3066210.17952395 T 22 CATAB v2.0f-lin.ifort 2020-Jun-24 00:42:03 2020-Jun-24 00:42
2187-Aug-02 14:54 00:06 Jupiter 1.78955111072543 1.78954968597069 1.78955253552859 3.80384144304756 3.67730586964255 2520059.121076093 5.57230361274483 499.969342698968 18.7675609160127 80.5122064883416 3080898.80693774 T 22 CATAB v2.0f-lin.ifort 2020-Jun-24 00:42:03 2020-Jun-24 00:42
2198-Sep-17 18:04 00:05 Jupiter 1.74290708447884 1.74290641098726 1.7429077580147 4.22923103375857 4.11271564026361 2524123.252639178 5.47030948957075 568.552689037344 19.4292239735426 -87.9150544652123 3573463.44118019 T 22 CATAB v2.0f-lin.ifort 2020-Jun-24 00:42:03 2020-Jun-24 00:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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