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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700323035339933 2.7479e-08  
a 2.357252435514399 6.8311e-09 au
q 1.95644337389277 6.5043e-08 au
i 4.456298460974078 3.2084e-06 deg
node 202.5645516667012 3.9005e-05 deg
peri 49.62640423777865 4.0094e-05 deg
M 279.8825219345678 9.3167e-06 deg
tp 2459494.693000655066
(2021-Oct-07.19300066)
3.4603e-05 TDB
period 1321.927284697192
3.62
5.7463e-06
1.573e-08
d
yr
n .2723296539585863 1.1838e-09 deg/d
Q 2.758061497136028 7.9926e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2323  
   data-arc span      17168 days (47.00 yr)  
   first obs. used      1974-03-22  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:28:49  

Additional Information
 Earth MOID = .944269 au 
 Jupiter MOID = 2.28068 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 14.09   n/a MPCxxxxx  
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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