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JPL Small-Body Database Browser
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74578 (1999 NF28)
Classification: Main-belt Asteroid          SPK-ID: 2074578
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1894529726980404 4.8689e-08  
a 2.374608894263714 1.5077e-08 au
q 1.924732180250247 1.1675e-07 au
i 23.36501204879887 6.0315e-06 deg
node 106.2102016078274 1.3461e-05 deg
peri 275.2138820239448 1.9808e-05 deg
M 83.33669053376737 1.6205e-05 deg
tp 2458291.099998768850
(2018-Jun-21.59999877)
5.946e-05 TDB
period 1336.55416035608
3.66
1.273e-05
3.485e-08
d
yr
n .269349354240976 2.5653e-09 deg/d
Q 2.824485608277182 1.7934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      924  
   data-arc span      7418 days (20.31 yr)  
   first obs. used      1999-07-14  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52998  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:48:57  

Additional Information
 Earth MOID = 1.07834 au 
 Jupiter MOID = 2.80699 au 
 T_jup = 3.409 
[ 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 14.6   n/a MPO366104  
diameter diameter 2.892 km 0.414 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.441   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74578 (1999 NF28)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 NF28 = 2000 WS55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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