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 ]  
227983 (2007 JR1)
Classification: Main-belt Asteroid          SPK-ID: 2227983
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145337629432774 6.52e-08  
a 3.175786347774079 4.3025e-08 au
q 2.812051587059626 1.9714e-07 au
i 16.11080185995543 8.5965e-06 deg
node 205.1387999105599 2.057e-05 deg
peri 28.95428947788185 4.2779e-05 deg
M 128.6201476890506 4.0929e-05 deg
tp 2458461.946694631340
(2018-Dec-09.44669463)		 0.00022687 TDB
period 2067.165951134667
5.66		 4.2008e-05
1.15e-07		 d
yr
n .1741514752612851 3.5391e-09 deg/d
Q 3.539521108488533 4.7953e-08 au
   Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      6753 days (18.49 yr)  
   first obs. used      2002-06-12  
   last obs. used      2020-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56289  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:12:34  

Additional Information
 Earth MOID = 1.81225 au 
 Jupiter MOID = 1.4594 au 
 T_jup = 3.130 
[ 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 15.11   n/a E2021B55  

227983 (2007 JR1)          Discovered 2007-May-07 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2007 JR1 = 2002 LS37 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-12 15:18 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin