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 ]  
70636 (1999 TH230)
Classification: Main-belt Asteroid          SPK-ID: 2070636
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1395334355110616 2.9997e-08  
a 2.599512234987585 1.1934e-08 au
q 2.236793362186729 7.7463e-08 au
i 5.53138994297176 4.2073e-06 deg
node 87.44068848900709 4.1286e-05 deg
peri 250.3858702420812 4.548e-05 deg
M 50.22352741727646 1.7941e-05 deg
tp 2458986.929661146962
(2020-May-17.42966115)
7.6304e-05 TDB
period 1530.862644280256
4.19
1.0542e-05
2.886e-08
d
yr
n .2351615289229662 1.6194e-09 deg/d
Q 2.962231107788441 1.36e-08 au
  Orbit Determination Parameters
   # obs. used (total)      823  
   data-arc span      8321 days (22.78 yr)  
   first obs. used      1998-04-22  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50748  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:54  

Additional Information
 Earth MOID = 1.2329 au 
 Jupiter MOID = 2.40862 au 
 T_jup = 3.395 
[ 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 15.56   n/a E2021B10  

70636 (1999 TH230)          Discovered 1999-Oct-03 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-18 22:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin