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3116 Goodricke (1983 CF)
Classification: Main-belt Asteroid          SPK-ID: 2003116
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2001654797208995 2.8886e-08  
a 2.227661994299385 6.0524e-09 au
q 1.781760962554433 6.3358e-08 au
i 5.469125916659811 3.4417e-06 deg
node 80.32037676978437 3.2855e-05 deg
peri 270.9884205901773 3.4231e-05 deg
M 210.9403331143366 1.1581e-05 deg
tp 2459503.340229232827
(2021-Oct-15.84022923)
4.0106e-05 TDB
period 1214.429673069586
3.32
4.9493e-06
1.355e-08
d
yr
n .2964354445408649 1.2081e-09 deg/d
Q 2.673563026044337 7.2639e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2846  
   data-arc span      26231 days (71.82 yr)  
   first obs. used      1948-10-09  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42227  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:00:08  

Additional Information
 Earth MOID = .786442 au 
 Jupiter MOID = 2.76908 au 
 T_jup = 3.612 
[ 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 12.5   n/a MPO347545  
diameter diameter 7.776 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10. h n/a LCDB (Rev. 2019-August); 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:
[Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.]
geometric albedo albedo 0.262   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3116 Goodricke (1983 CF)          Discovered 1983-Feb-11 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
 1983 CF = 1938 UM = 1948 TN = 1951 NC = 1973 DC = 1974 HR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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