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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456859.5 (2014-Jul-21.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073463192156581 3.2855e-08  
q 2.823789027912988 1.0573e-07 au
tp 2457867.903961216446
(2017-Apr-24.40396122)
0.00011228 TDB
node 125.627454457931 8.4324e-05 deg
peri 301.9206767976349 8.6422e-05 deg
i 2.60701068279354 3.8929e-06 deg
  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
 Jupiter MOID = 1.77002 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.079481670415321E-15 -3.429413228233436E-15 -1.084045061888368E-13 -7.484982212944758E-16 -2.089866273799683E-14 1.600149158739745E-16
q -3.429413228233436E-15 1.117873337466559E-14 8.359839427669644E-13 2.0599657658042E-15 1.232870404008321E-13 -3.617027458259122E-16
tp -1.084045061888368E-13 8.359839427669644E-13 1.260623527605019E-8 -2.634013148082136E-13 2.139465837934677E-9 -5.934925867256021E-13
node -7.484982212944758E-16 2.0599657658042E-15 -2.634013148082136E-13 7.11052265271856E-9 -7.102996263312103E-9 1.730534803532473E-11
peri -2.089866273799683E-14 1.232870404008321E-13 2.139465837934677E-9 -7.102996263312103E-9 7.468848319806145E-9 -1.740308139112745E-11
i 1.600149158739745E-16 -3.617027458259122E-16 -5.934925867256021E-13 1.730534803532473E-11 -1.740308139112745E-11 1.515499355438901E-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 13.94   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

[ show close-approach data ]
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-22 15:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin