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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
357032 (2000 HT18)
Classification: Main-belt Asteroid          SPK-ID: 2357032
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03725034725188622 1.2016e-07  
a 2.734636361899888 3.9026e-08 au
q 2.632770207811483 3.288e-07 au
i 3.654677720742897 8.8232e-06 deg
node 75.61290607388831 0.00015251 deg
peri 69.25638426536916 0.00020245 deg
M 135.5695390691432 0.00013503 deg
tp 2457978.475598676400
(2017-Aug-12.97559868)
0.00061314 TDB
period 1651.763264919621
4.52
3.5358e-05
9.68e-08
d
yr
n .21794890808249 4.6655e-09 deg/d
Q 2.836502515988294 4.048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      7012 days (19.20 yr)  
   first obs. used      2000-04-25  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54385  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:26  

Additional Information
 Earth MOID = 1.64794 au 
 Jupiter MOID = 2.14996 au 
 T_jup = 3.349 
[ 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 16.9   n/a MPO440599  

357032 (2000 HT18)          Discovered 2000-Apr-25 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ 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
1905-Dec-18 17:29 00:23 Iris 0.0438206562022121 0.043753260175389 0.0438880529065882 4.32525157540944 4.32525154507872 2417198.228674175 22.661828305818 3369.91583344364 256.48206858767 -4.61071392541653 2823.48918087793 T 7 CATAB v2.0f-lin.ifort 2019-Sep-24 06:42:27 2019-Sep-24 06:42
2145-Aug-11 20:10 00:28 Iris 0.0405115606542066 0.0404532482721451 0.0405700879977009 4.55549069543414 4.55549066428408 2504728.340479741 28.352098657426 5499.73586165341 224.102381764838 58.1040594368329 22957.3293949138 T 7 CATAB v2.0f-lin.ifort 2019-Sep-24 06:42:27 2019-Sep-24 06:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-17 22:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin