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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1356267606006306 5.3878e-08  
a 2.54600391732234 1.281e-08 au
q 2.200697653539395 1.3725e-07 au
i 10.70949463669546 6.6792e-06 deg
node 349.9546509255435 1.7594e-05 deg
peri 216.5265068515793 2.9004e-05 deg
M 169.7825328101026 2.1414e-05 deg
tp 2458300.694203411624
(2018-Jul-01.19420341)
8.7141e-05 TDB
period 1483.839842662688
4.06
1.1199e-05
3.066e-08
d
yr
n .2426137846211187 1.8311e-09 deg/d
Q 2.891310181105285 1.4548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      7398 days (20.25 yr)  
   first obs. used      1999-09-04  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:14:06  

Additional Information
 Earth MOID = 1.20781 au 
 Jupiter MOID = 2.10693 au 
 T_jup = 3.406 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457198.5 (2015-Jun-25.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1349057750275792 5.3887e-08  
q 2.203581610285731 1.3717e-07 au
tp 2456816.586880505020
(2014-Jun-08.08688051)
8.6782e-05 TDB
node 350.0140570502486 1.7586e-05 deg
peri 216.6825422360344 2.9127e-05 deg
i 10.71093846946435 6.6791e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      7398 days (20.25 yr)  
   first obs. used      1999-09-04  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:14:06  

Additional Information
 Jupiter MOID = 2.10693 au 
 T_jup = 3.406 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.903843672638869E-15 -7.367154235176241E-15 -3.38919233645243E-12 1.660651237045151E-14 -9.396122363790369E-13 4.635235459882513E-15
q -7.367154235176241E-15 1.881444578456251E-14 8.669233415663669E-12 -4.211762086264742E-14 2.40906109174738E-12 -1.170347703984082E-14
tp -3.38919233645243E-12 8.669233415663669E-12 7.53106999381458E-9 -3.184033547606788E-11 2.019405385592231E-9 -5.821912927405104E-12
node 1.660651237045151E-14 -4.211762086264742E-14 -3.184033547606788E-11 3.092800378288058E-10 -3.118379402387108E-10 -3.019118210867181E-11
peri -9.396122363790369E-13 2.40906109174738E-12 2.019405385592231E-9 -3.118379402387108E-10 8.483843372649406E-10 2.810670062044825E-11
i 4.635235459882513E-15 -1.170347703984082E-14 -5.821912927405104E-12 -3.019118210867181E-11 2.810670062044825E-11 4.461067300096222E-11

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 2020-Oct-23 21:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin