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 ]  
344224 (2001 RK120)
Classification: Main-belt Asteroid          SPK-ID: 2344224
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1923201238404856 1.2831e-07  
a 2.360715405645361 2.7e-08 au
q 1.906702326479503 3.1875e-07 au
i 2.094929942765428 7.7056e-06 deg
node 122.7665337025007 0.00022906 deg
peri 266.1409849439498 0.00023753 deg
M 283.5524029720779 5.0478e-05 deg
tp 2458881.835940244488
(2020-Feb-02.33594024)
0.00018885 TDB
period 1324.841360952435
3.63
2.2729e-05
6.223e-08
d
yr
n .2717306468611415 4.6618e-09 deg/d
Q 2.814728484811219 3.2193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      6568 days (17.98 yr)  
   first obs. used      2001-09-12  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4802  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:29:24  

Additional Information
 Earth MOID = .91237 au 
 Jupiter MOID = 2.62703 au 
 T_jup = 3.525 
[ 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 18.3   n/a MPO397230  

344224 (2001 RK120)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2001 RK120 = 2012 UN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-06 15:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin