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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07383618746502506 4.4108e-08  
a 3.204231006746913 2.5299e-08 au
q 2.967642805451502 1.3868e-07 au
i 15.48997706810775 4.8853e-06 deg
node 108.7362883793935 1.6534e-05 deg
peri 338.9537408689087 3.4599e-05 deg
M 163.7267201753117 3.2905e-05 deg
tp 2458047.701167916335
(2017-Oct-21.20116792)
0.00018682 TDB
period 2095.000615555246
5.74
2.4812e-05
6.793e-08
d
yr
n .1718376583410157 2.0351e-09 deg/d
Q 3.440819208042325 2.7167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      882  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      1999-09-14  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:04:46  

Additional Information
 Earth MOID = 1.98903 au 
 Jupiter MOID = 1.73211 au 
 T_jup = 3.132 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456591.5 (2013-Oct-26.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07630582254405402 4.4206e-08  
q 2.95702455839205 1.3954e-07 au
tp 2455952.671064047116
(2012-Jan-26.17106405)
0.00017271 TDB
node 108.7638916318117 1.6546e-05 deg
peri 338.4757273407895 3.3704e-05 deg
i 15.48913383502193 4.8854e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      882  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      1999-09-14  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:04:46  

Additional Information
 Jupiter MOID = 1.73211 au 
 T_jup = 3.132 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.954158452872635E-15 -6.080446563079036E-15 -3.789837215351644E-13 -3.611404179917715E-15 -5.004637016757187E-14 2.307877231865058E-15
q -6.080446563079036E-15 1.947230591224311E-14 2.254066614943006E-12 1.404659508427674E-14 3.612222448955209E-13 -5.794183266875126E-15
tp -3.789837215351644E-13 2.254066614943006E-12 2.982781627258323E-8 -3.612224182786598E-12 5.096734250850298E-9 -2.98827589186433E-12
node -3.611404179917715E-15 1.404659508427674E-14 -3.612224182786598E-12 2.737788352617629E-10 -2.639084392985168E-10 -1.402678900905156E-11
peri -5.004637016757187E-14 3.612222448955209E-13 5.096734250850298E-9 -2.639084392985168E-10 1.135947878298702E-9 1.311814880942762E-11
i 2.307877231865058E-15 -5.794183266875126E-15 -2.98827589186433E-12 -1.402678900905156E-11 1.311814880942762E-11 2.386739945096726E-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 1.99918946766958 1.99918885302129 1.99919008231798 3.2787237119257 3.14684973498831 2455455.867326257 0.303207032242877 45.7196622081277 16.1035803336826 56.1466119162524 3355177.34352961 T 21 CATAB v2.0e-lin.ifort 2019-May-30 06:04:51 2019-May-30 06:04
2021-Sep-11 04:41 < 00:01 Jupiter 1.82665114767543 1.8266506386194 1.82665165673157 3.81550942340973 3.69197878731244 2459468.695355490 0.414561686569128 61.3206917766659 19.75446579745 76.6183484228736 3082637.07834183 T 21 CATAB v2.0e-lin.ifort 2019-May-30 06:04:51 2019-May-30 06:04
2032-Oct-20 17:46 < 00:01 Jupiter 1.74084844675171 1.74084801722521 1.74084887627822 4.216150423942 4.0991230528097 2463526.239940315 0.761920209527158 93.3844541527173 19.7408287379064 -89.9094041385563 3377740.5438533 T 21 CATAB v2.0e-lin.ifort 2019-May-30 06:04:51 2019-May-30 06:04
2043-Dec-18 04:18 00:01 Jupiter 1.80309398117898 1.80309328225976 1.80309468009902 4.35842901150435 4.24928020285601 2467601.678844240 1.1873736224176 114.031903910092 27.8650638337558 -79.961403365864 3709570.23655489 T 21 CATAB v2.0e-lin.ifort 2019-May-30 06:04:51 2019-May-30 06:04
2055-Feb-07 14:20 00:02 Jupiter 1.98416642804207 1.9841652817533 1.98416757433096 4.29752673710841 4.19701731390031 2471671.097407853 1.69488831304216 101.812883968981 55.9198447234781 -81.6711946144042 3644922.93312368 T 21 CATAB v2.0e-lin.ifort 2019-May-30 06:04:51 2019-May-30 06:04
2176-Jul-29 12:44 00:06 Jupiter 1.94460216363608 1.94460002385633 1.94460430343794 3.13414059556603 2.99193662620248 2516038.030448746 6.43733209769416 360.368621199671 19.0758453125297 68.9534804103906 2931446.8254886 T 21 CATAB v2.0e-lin.ifort 2019-May-30 06:04:51 2019-May-30 06:04
2187-Aug-02 14:52 00:06 Jupiter 1.78955078890776 1.78954926602565 1.78955231184357 3.80384463583138 3.67730914914295 2520059.119770510 5.85977631264404 524.941432034379 19.3166526136769 80.3626579433034 2924795.42142877 T 21 CATAB v2.0e-lin.ifort 2019-May-30 06:04:51 2019-May-30 06:04
2198-Sep-17 18:02 00:06 Jupiter 1.74290748580069 1.74290680733927 1.74290816430908 4.22923301065141 4.11271770037169 2524123.251344405 5.74780879444684 598.105436034828 20.2509667536936 -88.068483243203 3402814.47701696 T 21 CATAB v2.0e-lin.ifort 2019-May-30 06:04:51 2019-May-30 06:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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