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 ]  
172070 (2002 AR70)
Classification: Outer Main-belt Asteroid          SPK-ID: 2172070
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09889284685291715 4.8475e-08  
a 3.207128328811626 3.0385e-08 au
q 2.889966278152806 1.569e-07 au
i 5.865160130312725 5.2671e-06 deg
node 77.69860688363929 5.3118e-05 deg
peri 89.4320885315648 5.9777e-05 deg
M 10.77149159763778 2.939e-05 deg
tp 2458937.730845309221
(2020-Mar-29.23084531)
0.00017092 TDB
period 2097.842762430058
5.74
2.9813e-05
8.162e-08
d
yr
n .1716048535415448 2.4387e-09 deg/d
Q 3.524290379470446 3.339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      6594 days (18.05 yr)  
   first obs. used      2001-12-18  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52922  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:44:32  

Additional Information
 Earth MOID = 1.90464 au 
 Jupiter MOID = 1.48145 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 15.1   n/a MPO427050  

172070 (2002 AR70)          Discovered 2002-Jan-08 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2002 AR70 = 2003 EA28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-21 04:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin