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

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3031340308670277 1.3196e-08  
a 2.396493378603495 6.4729e-09 au
q 1.670034680801276 3.233e-08 au
i 4.911055806139105 1.1921e-06 deg
node 107.8855932276837 1.127e-05 deg
peri 224.6688058787253 1.172e-05 deg
M 5.07954006626635 5.3344e-06 deg
tp 2459377.380141825399
(2021-Jun-11.88014183)
2.0029e-05 TDB
period 1355.073265110712
3.71
5.4901e-06
1.503e-08
d
yr
n .2656682920908984 1.0764e-09 deg/d
Q 3.122952076405714 8.4351e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2175  
   data-arc span      24432 days (66.89 yr)  
   first obs. used      1954-08-04  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46053  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 22:18:00  

Additional Information
 Earth MOID = .663127 au 
 Jupiter MOID = 2.26246 au 
 T_jup = 3.460 
[ 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 13.76   n/a MPCxxxxx  
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

Alternate Designations
 1980 RB = 1969 TH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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