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59765 (1999 NN4)
Classification: Main-belt Asteroid          SPK-ID: 2059765
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871015581000142 3.8177e-08  
a 2.771853706157359 1.7034e-08 au
q 2.253235558910018 1.0595e-07 au
i 10.49335650491875 4.5457e-06 deg
node 105.6692884533438 2.6885e-05 deg
peri 204.5829385286987 3.0153e-05 deg
M 182.6043179015722 1.6029e-05 deg
tp 2459831.104784786507
(2022-Sep-08.60478479)
7.804e-05 TDB
period 1685.597524054913
4.61
1.5538e-05
4.254e-08
d
yr
n .2135741153285368 1.9687e-09 deg/d
Q 3.290471853404699 2.0221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      7509 days (20.56 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51966  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:53:57  

Additional Information
 Earth MOID = 1.24295 au 
 Jupiter MOID = 1.98047 au 
 T_jup = 3.287 
[ 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 14.8   n/a MPO417238  
diameter diameter 6.904 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59765 (1999 NN4)          Discovered 1999-Jul-13 by Broughton, J. at Reedy Creek
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 NN4 = 2000 WR38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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