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 ]  
30666 (1156 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2030666
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1884597562049727 3.2513e-08  
a 2.530617942944005 1.0014e-08 au
q 2.053698302368848 8.3787e-08 au
i 6.199385245924852 3.9427e-06 deg
node 190.4200219593708 3.4085e-05 deg
peri 198.668354037598 3.6477e-05 deg
M 295.6115629768663 1.5726e-05 deg
tp 2459659.492693903764
(2022-Mar-20.99269390)
6.5155e-05 TDB
period 1470.409504913732
4.03
8.7279e-06
2.39e-08
d
yr
n .2448297557904598 1.4532e-09 deg/d
Q 3.007537583519162 1.1901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1059  
   data-arc span      17438 days (47.74 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:49:36  

Additional Information
 Earth MOID = 1.05881 au 
 Jupiter MOID = 2.44175 au 
 T_jup = 3.418 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.23   n/a E2021B10  

30666 (1156 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1156 T-2 = 1999 CB69 = 2001 OM7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-27 16:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin