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19920 (1978 NF)
Classification: Main-belt Asteroid          SPK-ID: 2019920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1673431851751858 4.0356e-08  
a 2.550907232643359 1.0479e-08 au
q 2.124030291246401 1.0254e-07 au
i 14.39367907546454 4.0091e-06 deg
node 111.4911317808245 2.0706e-05 deg
peri 193.5226401400193 2.6063e-05 deg
M 94.69410179248462 1.5679e-05 deg
tp 2458609.063920686758
(2019-May-05.56392069)
6.5082e-05 TDB
period 1488.128467194045
4.07
9.1695e-06
2.51e-08
d
yr
n .2419145980580571 1.4906e-09 deg/d
Q 2.977784174040317 1.2232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1651  
   data-arc span      15176 days (41.55 yr)  
   first obs. used      1978-07-10  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50163  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:58:17  

Additional Information
 Earth MOID = 1.11089 au 
 Jupiter MOID = 2.26315 au 
 T_jup = 3.377 
[ show covariance matrix ]

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 14.2   n/a MPO452452  
diameter diameter 3.365 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.430   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19920 (1978 NF)          Discovered 1978-Jul-10 by Helin, E. F., Shoemaker, E. M. at Palomar
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 NF = 1998 KL50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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