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 ]  
442121 (2010 TR177)
Classification: Main-belt Asteroid          SPK-ID: 2442121
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417793967929489 7.8783e-08  
a 3.145416587706857 8.9608e-08 au
q 2.699461321239244 2.7112e-07 au
i 8.516175865950949 7.7788e-06 deg
node 302.2281647894588 6.0649e-05 deg
peri 85.11742628284632 6.9782e-05 deg
M 182.9834537144389 4.0621e-05 deg
tp 2459602.406163627547
(2022-Jan-22.90616363)
0.00026186 TDB
period 2037.584770883858
5.58
8.7071e-05
2.384e-07
d
yr
n .1766797657423795 7.55e-09 deg/d
Q 3.59137185417447 1.0231e-07 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      4864 days (13.32 yr)  
   first obs. used      2006-02-02  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64334  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:47  

Additional Information
 Earth MOID = 1.72028 au 
 Jupiter MOID = 1.96971 au 
 T_jup = 3.177 
[ 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 15.9   n/a MPO440830  

442121 (2010 TR177)          Discovered 2010-Oct-01 by CSS at Catalina
Reference: Last Updated: 2015-09-02

[ 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
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin