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 ]  
70338 (1999 RL170)
Classification: Main-belt Asteroid          SPK-ID: 2070338
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1356267325813009 4.0392e-08  
a 2.546003921787356 1.2484e-08 au
q 2.200697728736159 1.0508e-07 au
i 10.70949847208445 5.04e-06 deg
node 349.9546489679732 1.6415e-05 deg
peri 216.5265006148739 2.2934e-05 deg
M 169.7825404748035 1.6699e-05 deg
tp 2458300.694169978523
(2018-Jul-01.19416998)
6.6394e-05 TDB
period 1483.839846566081
4.06
1.0914e-05
2.988e-08
d
yr
n .2426137839828982 1.7845e-09 deg/d
Q 2.891310114838553 1.4178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      7744 days (21.20 yr)  
   first obs. used      1999-09-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5091  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:31  

Additional Information
 Earth MOID = 1.20781 au 
 Jupiter MOID = 2.10693 au 
 T_jup = 3.406 
[ 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 15.1   n/a MPO436274  
diameter diameter 2.739 km 0.273 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.215   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70338 (1999 RL170)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RL170 = 2000 XF51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-26 06:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin