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 ]  
3216 Harrington (1980 RB)
Classification: Main-belt Asteroid          SPK-ID: 2003216
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .302982047924555 3.8821e-08  
a 2.395847925364723 6.6989e-09 au
q 1.669949014421923 9.4323e-08 au
i 4.911443057140809 3.5332e-06 deg
node 107.8869139271448 4.4725e-05 deg
peri 224.728597518274 4.4912e-05 deg
M 259.7954423673285 6.0581e-06 deg
tp 2459377.526844543451
(2021-Jun-12.02684454)
2.3668e-05 TDB
period 1354.52585433487
3.71
5.681e-06
1.555e-08
d
yr
n .2657756578421128 1.1147e-09 deg/d
Q 3.121746836307524 8.7286e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2110  
   data-arc span      24090 days (65.95 yr)  
   first obs. used      1954-08-04  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:02:13  

Additional Information
 Earth MOID = .663814 au 
 Jupiter MOID = 2.26372 au 
 T_jup = 3.460 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457077.5 (2015-Feb-24.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3030134070558277 3.892e-08  
q 1.670413511655614 9.4537e-08 au
tp 2456664.616416673710
(2014-Jan-07.11641667)
1.9295e-05 TDB
node 108.0372746753858 4.4568e-05 deg
peri 224.1651213151688 4.4758e-05 deg
i 4.918842335049385 3.5408e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2110  
   data-arc span      24090 days (65.95 yr)  
   first obs. used      1954-08-04  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:02:13  

Additional Information
 Jupiter MOID = 2.26372 au 
 T_jup = 3.460 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.514776109904874E-15 -3.675215168306583E-15 -9.558059447927482E-14 1.08090727685754E-14 -9.528376613379651E-15 -4.404124309125767E-16
q -3.675215168306583E-15 8.937329137174162E-15 2.427038601122698E-13 -2.658003424850346E-14 2.677621600966626E-14 1.211839492837827E-15
tp -9.558059447927482E-14 2.427038601122698E-13 3.722963737834705E-10 -4.804170610202837E-12 9.847892656703153E-11 6.538005502918646E-13
node 1.08090727685754E-14 -2.658003424850346E-14 -4.804170610202837E-12 1.986329309006169E-9 -1.979426422227217E-9 4.32996221477786E-11
peri -9.528376613379651E-15 2.677621600966626E-14 9.847892656703153E-11 -1.979426422227217E-9 2.003307287874334E-9 -4.301672203482305E-11
i -4.404124309125767E-16 1.211839492837827E-15 6.538005502918646E-13 4.32996221477786E-11 -4.301672203482305E-11 1.253724384711531E-11

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 13.7   n/a MPO365284  
diameter diameter 4.029 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.433   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B S   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)

3216 Harrington (1980 RB)          Discovered 1980-Sep-04 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 RB = 1969 TH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-28 11:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin