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 ]  
30309 (2000 JR2)
Classification: Main-belt Asteroid          SPK-ID: 2030309
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06991051025161889 1.8112e-08  
a 2.322551080273402 7.0643e-09 au
q 2.16018034916604 4.244e-08 au
i 6.945939624177786 3.4515e-07 deg
node 97.52404526720515 8.3285e-06 deg
peri 147.030124211352 1.6685e-05 deg
M 290.2208403220712 1.1694e-05 deg
tp 2459451.093367720857
(2021-Aug-24.59336772)
4.2488e-05 TDB
period 1292.844637222586
3.54
5.8985e-06
1.615e-08
d
yr
n .2784557321391585 1.2704e-09 deg/d
Q 2.484921811380764 7.5582e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2263  
   data-arc span      10679 days (29.24 yr)  
   first obs. used      1991-12-27  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49176  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:28:22  

Additional Information
 Earth MOID = 1.1481 au 
 Jupiter MOID = 2.5267 au 
 T_jup = 3.564 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.25   n/a MPCxxxxx  
diameter diameter 3.237 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.423   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30309 (2000 JR2)          Discovered 2000-May-03 by Korlevic, K. at Visnjan
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 JR2 = 1997 RS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-20 08:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin