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
JPL Small-Body Database Browser
Search: [ help ]  
24677 (1989 TH7)
Classification: Main-belt Asteroid          SPK-ID: 2024677
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699513037861022 3.8404e-08  
a 2.768499009346539 1.5297e-08 au
q 2.297988993177562 1.0327e-07 au
i 9.825274358521431 5.8481e-06 deg
node 48.97144816077513 2.4881e-05 deg
peri 37.34559894264047 3.0822e-05 deg
M 231.1843147073819 1.9062e-05 deg
tp 2459802.548159479196
(2022-Aug-11.04815948)
9.1529e-05 TDB
period 1682.538402991602
4.61
1.3945e-05
3.818e-08
d
yr
n .2139624268664 1.7733e-09 deg/d
Q 3.239009025515516 1.7896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      11223 days (30.73 yr)  
   first obs. used      1989-10-07  
   last obs. used      2020-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:46:46  

Additional Information
 Earth MOID = 1.32192 au 
 Jupiter MOID = 2.0595 au 
 T_jup = 3.296 
[ 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 14.29   n/a E2021B10  
diameter diameter 8.888 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24677 (1989 TH7)          Discovered 1989-Oct-07 by Elst, E. W. at La Silla
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 TH7 = 1998 SH165 = 1999 XX231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-20 23:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin