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19607 (1999 NF55)
Classification: Main-belt Asteroid          SPK-ID: 2019607
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .131243839915072 2.1804e-08  
a 2.527775140611246 1.0056e-08 au
q 2.196020224715565 5.5249e-08 au
i 14.10078208804451 6.7537e-07 deg
node 258.7937316553554 3.8631e-06 deg
peri 128.9369908297326 9.1901e-06 deg
M 61.92164928477133 8.524e-06 deg
tp 2458948.008885642845
(2020-Apr-08.50888564)
3.451e-05 TDB
period 1467.93249563736
4.02
8.7596e-06
2.398e-08
d
yr
n .245242884853293 1.4634e-09 deg/d
Q 2.859530056506927 1.1376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1829  
   data-arc span      11757 days (32.19 yr)  
   first obs. used      1989-01-11  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44907  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:56:41  

Additional Information
 Earth MOID = 1.22993 au 
 Jupiter MOID = 2.5871 au 
 T_jup = 3.399 
[ 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 13.83   n/a MPCxxxxx  
diameter diameter 5.061 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.274   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19607 (1999 NF55)          Discovered 1999-Jul-12 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NF55 = 1989 AS2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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