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 ]  
3819 Robinson (1983 AR)
Classification: Main-belt Asteroid          SPK-ID: 2003819
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392096317266614 2.8526e-08  
a 2.770926710218912 1.1282e-08 au
q 2.385187023347768 7.8976e-08 au
i 11.1132135834736 7.8265e-07 deg
node 46.19109141644216 3.779e-06 deg
peri 352.3275537732277 5.9627e-06 deg
M 178.3227087975351 5.3292e-06 deg
tp 2458561.973489919415
(2019-Mar-19.47348992)
2.1025e-05 TDB
period 1684.75201871296
4.61
1.0289e-05
2.817e-08
d
yr
n .2136812990881687 1.305e-09 deg/d
Q 3.156666397090056 1.2852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3785  
   data-arc span      25679 days (70.31 yr)  
   first obs. used      1951-03-09  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 22:44:17  

Additional Information
 Earth MOID = 1.39308 au 
 Jupiter MOID = 2.26329 au 
 T_jup = 3.296 
[ 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 12.10   n/a E2021B10  
diameter diameter 10.307 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.700 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Ferrero, A.; Bonamico, R. (2020) Minor Planet Bull. 47, 147-148.]
geometric albedo albedo 0.358   0.298 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Sr   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3819 Robinson (1983 AR)          Discovered 1983-Jan-12 by Skiff, B. A. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1983 AR = 1951 EB1 = 1972 TW = 1986 VF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-27 00:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin