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 ]  
85246 (1993 RL4)
Classification: Main-belt Asteroid          SPK-ID: 2085246
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271550398517422 3.7538e-08  
a 2.422216938415507 1.0767e-08 au
q 2.114219847081718 9.1092e-08 au
i 2.040641876027322 4.7768e-06 deg
node 245.1254679428142 0.00010361 deg
peri 56.07515799918838 0.00010509 deg
M 130.2923795335926 1.6748e-05 deg
tp 2458702.149960535259
(2019-Aug-06.64996054)
6.3976e-05 TDB
period 1376.949402946867
3.77
9.1814e-06
2.514e-08
d
yr
n .261447515231532 1.7433e-09 deg/d
Q 2.730214029749296 1.2137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      9987 days (27.34 yr)  
   first obs. used      1993-09-15  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51229  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:04  

Additional Information
 Earth MOID = 1.09753 au 
 Jupiter MOID = 2.45876 au 
 T_jup = 3.501 
[ 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 15.52   n/a E2021B10  
diameter diameter 5.266 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85246 (1993 RL4)          Discovered 1993-Sep-15 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 RL4 = 2001 VT26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-24 07:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin