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 ]  
212720 (2007 RA128)
Classification: Main-belt Asteroid          SPK-ID: 2212720
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1058473774519037 6.0365e-08  
a 2.676309534449468 2.7827e-08 au
q 2.393029188978466 1.6133e-07 au
i 2.60894128517811 7.2103e-06 deg
node 164.701364580855 0.00015592 deg
peri 274.9703876881161 0.00016018 deg
M 176.6983846613188 3.6136e-05 deg
tp 2457815.566224035569
(2017-Mar-03.06622404)
0.00016013 TDB
period 1599.20058063244
4.38
2.4942e-05
6.829e-08
d
yr
n .2251124745450192 3.5109e-09 deg/d
Q 2.959589879920469 3.0773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      5247 days (14.37 yr)  
   first obs. used      2003-12-01  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64525  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:43:03  

Additional Information
 Earth MOID = 1.41027 au 
 Jupiter MOID = 2.24541 au 
 T_jup = 3.369 
[ 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 17.5   n/a MPO440127  

212720 (2007 RA128)          Discovered 2007-Sep-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2007 RA128 = 2003 XY32 
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