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4216 Neunkirchen (1988 AF5)
Classification: Main-belt Asteroid          SPK-ID: 2004216
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1702959758361019 3.0861e-08  
a 2.356946480203127 7.9878e-09 au
q 1.95556797936347 7.1586e-08 au
i 4.456918740372167 3.5328e-06 deg
node 202.5839086947581 4.3568e-05 deg
peri 49.50607926908467 4.4967e-05 deg
M 116.619551550382 1.001e-05 deg
tp 2458172.354016053706
(2018-Feb-22.85401605)
3.6564e-05 TDB
period 1321.669927311266
3.62
6.7188e-06
1.84e-08
d
yr
n .2723826823633377 1.3847e-09 deg/d
Q 2.758324981042783 9.3481e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1907  
   data-arc span      16657 days (45.60 yr)  
   first obs. used      1974-03-22  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50463  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:33:54  

Additional Information
 Earth MOID = .944732 au 
 Jupiter MOID = 2.28125 au 
 T_jup = 3.530 
[ 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 14.0   n/a MPO448955  
diameter diameter 2.366 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.601   0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4216 Neunkirchen (1988 AF5)          Discovered 1988-Jan-14 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 AF5 = 1974 FC = 1978 LK = 1985 JS = 1986 UO2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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