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59787 (1999 NO55)
Classification: Main-belt Asteroid          SPK-ID: 2059787
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 .218439641900549 4.5083e-08  
a 2.765692337866615 1.4979e-08 au
q 2.16155549397594 1.224e-07 au
i 12.20841708223605 5.97e-06 deg
node 223.8432183531349 2.0367e-05 deg
peri 119.8687054242403 2.4185e-05 deg
M 90.4959769989426 1.41e-05 deg
tp 2458178.190356277753
(2018-Feb-28.69035628)
6.443e-05 TDB
period 1679.980445338311
4.60
1.3648e-05
3.737e-08
d
yr
n .2142882085317987 1.7408e-09 deg/d
Q 3.369829181757291 1.8251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51529  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:40:29  

Additional Information
 Earth MOID = 1.18432 au 
 Jupiter MOID = 2.23141 au 
 T_jup = 3.272 
[ 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 14.4   n/a MPO417238  
diameter diameter 4.482 km 0.595 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.168   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59787 (1999 NO55)          Discovered 1999-Jul-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 NO55 = 1998 HQ72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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