Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
21828 (1999 TN92)
Classification: Main-belt Asteroid          SPK-ID: 2021828
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009124857407846 3.2649e-08  
a 3.174526009636279 2.0013e-08 au
q 2.854176698955108 1.0413e-07 au
i 2.611285403513062 3.894e-06 deg
node 125.5560712102119 8.3989e-05 deg
peri 301.6645402521149 8.6406e-05 deg
M 267.4968037161904 2.1732e-05 deg
tp 2459927.348995535399
(2022-Dec-13.84899554)
0.00012677 TDB
period 2065.935514340618
5.66
1.9536e-05
5.349e-08
d
yr
n .1742551969802894 1.6478e-09 deg/d
Q 3.49487532031745 2.2032e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1295  
   data-arc span      9310 days (25.49 yr)  
   first obs. used      1996-02-10  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53387  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:45:57  

Additional Information
 Earth MOID = 1.86897 au 
 Jupiter MOID = 1.77002 au 
 T_jup = 3.192 
[ 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 13.94   n/a E2021B10  
diameter diameter 8.197 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.92464 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.072   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21828 (1999 TN92)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ 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
1903-Sep-19 12:27 00:03 Jupiter 1.93528343935018 1.93528251494171 1.93528436376195 3.71881977288217 3.59920453164199 2416377.019020140 3.02218121385248 150.528691114023 15.4121857550657 77.5020261612829 3576276.41566064 T 25 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:01 2021-Aug-24 22:46
1914-May-11 08:10 00:03 Jupiter 1.80395129223748 1.8039507702426 1.80395181423319 2.78513172853525 2.6111078191545 2420263.840428445 2.74116534346581 102.899607852456 9.72735099630176 87.7302697775718 3058228.35456077 T 25 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:01 2021-Aug-24 22:46
1925-Jan-02 12:16 00:02 Jupiter 1.80284000850092 1.80283962700707 1.80284038999467 2.41111639808993 2.20767496035884 2424153.011414919 2.37276516076791 45.1278581943108 11.9504527621767 -82.6775517985503 3666727.97082025 T 25 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:01 2021-Aug-24 22:46
1935-Sep-05 14:25 00:02 Jupiter 1.92605123748419 1.9260506405939 1.92605183437469 2.63795285128502 2.46561395469683 2428051.100403296 2.00755056005911 69.4984342373628 13.2313623564999 79.9026784911173 3394643.06382857 T 25 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:01 2021-Aug-24 22:46
2010-Sep-23 01:45 < 00:01 Jupiter 1.94577773705028 1.94577736233646 1.9457781117641 3.80827621350363 3.69220009568824 2455462.572861073 0.197719014110586 32.8308546439318 15.1236399823845 85.6676375624408 4113455.71670876 T 25 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:01 2021-Aug-24 22:46
2021-May-15 10:00 < 00:01 Jupiter 1.79999881924065 1.79999845872896 1.79999917975224 2.83563800579886 2.66452738005988 2459349.916550977 0.275285969030447 36.276843402159 10.2648122836502 -89.4445659443227 3566861.63481227 T 25 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:01 2021-Aug-24 22:46
2032-Jan-07 13:42 < 00:01 Jupiter 1.78019375808913 1.7801934130454 1.78019410313276 2.39803173767797 2.19065038593604 2463239.070556101 0.556948951608932 41.9027778967365 6.96759793207203 -87.8178875748684 3601647.19314904 T 25 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:01 2021-Aug-24 22:46
2042-Sep-08 03:08 < 00:01 Jupiter 1.901813577231 1.90181314853576 1.90181400592613 2.58705852197445 2.4087588897117 2467135.630830844 0.862100796036893 46.3929614561117 11.7854327158568 86.7582749576428 3574396.56224069 T 25 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:01 2021-Aug-24 22:46
2117-Oct-02 14:59 00:03 Jupiter 1.96647137798277 1.96647051146814 1.96647224450019 3.92467794834509 3.81334926678807 2494553.124393626 2.84965076276819 141.012367541838 15.7484682355582 76.9662662569022 3747388.09078676 T 25 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:01 2021-Aug-24 22:46
2128-May-24 18:48 00:03 Jupiter 1.80067111794617 1.80067052225352 1.80067171364107 2.90140283441267 2.73447491295511 2498440.283096090 3.19242122853171 140.618389302086 10.7507400681929 86.7874842375865 3164463.78807409 T 25 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:01 2021-Aug-24 22:46
2139-Jan-15 21:59 00:03 Jupiter 1.76220624877587 1.76220580170175 1.76220669585039 2.39919025012238 2.18970165529708 2502328.415657350 3.47278098459382 83.7217556228348 11.1877829541865 -76.9312272525326 3510027.95309312 T 25 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:01 2021-Aug-24 22:46
2149-Sep-15 06:13 00:04 Jupiter 1.87397895721303 1.87397786477075 1.87398004965553 2.53436169192141 2.34925652866255 2506223.758876713 3.74457894225866 76.1064473525013 21.7674043651219 67.1083282673092 2474674.06419229 T 25 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:01 2021-Aug-24 22:46

Alternate Designations
 1999 TN92 = 1997 LS10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-23 03:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin