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 ]  
243995 (2001 RL142)
Classification: Main-belt Asteroid          SPK-ID: 2243995
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2555069458668704 4.1081e-08  
a 2.767570749931344 2.092e-08 au
q 2.060437200145902 1.1e-07 au
i 16.18370478840995 6.3918e-06 deg
node 80.46861062185701 1.8938e-05 deg
peri 242.8229556397782 2.3041e-05 deg
M 38.53213387608646 1.5313e-05 deg
tp 2458820.502246609213
(2019-Dec-03.00224661)
7.0289e-05 TDB
period 1681.692257923415
4.60
1.9068e-05
5.221e-08
d
yr
n .2140700822661422 2.4272e-09 deg/d
Q 3.474704299716786 2.6265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      6083 days (16.65 yr)  
   first obs. used      2001-08-24  
   last obs. used      2018-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56107  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:35:16  

Additional Information
 Earth MOID = 1.10125 au 
 Jupiter MOID = 2.00919 au 
 T_jup = 3.234 
[ 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 15.3   n/a MPO437138  
diameter diameter 2.795 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243995 (2001 RL142)          Discovered 2001-Sep-13 by NEAT at Palomar
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-13 12:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin