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 ]  
52397 (1993 RF7)
Classification: Main-belt Asteroid          SPK-ID: 2052397
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169899297653667 4.8157e-08  
a 2.614257931530455 1.4817e-08 au
q 2.170097345077902 1.3146e-07 au
i 1.748919362327262 3.3601e-06 deg
node 268.7250176486395 0.00016051 deg
peri 75.54551041041198 0.0001608 deg
M 174.5876610701634 1.1247e-05 deg
tp 2458451.758121987063
(2018-Nov-29.25812199)
4.5198e-05 TDB
period 1543.906794056493
4.23
1.3126e-05
3.594e-08
d
yr
n .2331746977122424 1.9824e-09 deg/d
Q 3.058418517983008 1.7335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      960  
   data-arc span      10047 days (27.51 yr)  
   first obs. used      1993-09-15  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53254  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:18:18  

Additional Information
 Earth MOID = 1.16148 au 
 Jupiter MOID = 2.35164 au 
 T_jup = 3.387 
[ 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 15.25   n/a E2021B10  
diameter diameter 2.883 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.122   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52397 (1993 RF7)          Discovered 1993-Sep-15 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 RF7 = 2000 ED65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-18 03:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin