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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
74203 (1998 RN56)
Classification: Main-belt Asteroid          SPK-ID: 2074203
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538957836541748 4.0574e-08  
a 2.400976562223366 1.0133e-08 au
q 2.031476392644694 9.9348e-08 au
i 14.21897722886653 5.3583e-06 deg
node 349.9363936730276 1.6042e-05 deg
peri 146.6669858928229 2.4136e-05 deg
M 70.89412145141256 1.6776e-05 deg
tp 2458332.898815204624
(2018-Aug-02.39881520)
6.3116e-05 TDB
period 1358.877500052803
3.72
8.6024e-06
2.355e-08
d
yr
n .2649245424889375 1.6771e-09 deg/d
Q 2.770476731802037 1.1692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1202  
   data-arc span      7558 days (20.69 yr)  
   first obs. used      1998-08-28  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47356  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:16  

Additional Information
 Earth MOID = 1.05702 au 
 Jupiter MOID = 2.26236 au 
 T_jup = 3.468 
[ 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 14.1   n/a MPO272970  
diameter diameter 3.618 km 0.550 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.309   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

74203 (1998 RN56)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RN56 = 2000 AS243 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-05 23:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin