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JPL Small-Body Database Browser
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59477 (1999 HP3)
Classification: Main-belt Asteroid          SPK-ID: 2059477
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08340114163683549 4.5152e-08  
a 3.048409266015398 2.0965e-08 au
q 2.794168453053406 1.4352e-07 au
i 10.26781343785135 4.4951e-06 deg
node 99.19684042942623 2.8798e-05 deg
peri 56.1669444905431 4.0871e-05 deg
M 305.912844359685 2.9701e-05 deg
tp 2458892.578761792396
(2020-Feb-13.07876179)
0.0001612 TDB
period 1944.054054986914
5.32
2.0055e-05
5.491e-08
d
yr
n .1851800360573941 1.9104e-09 deg/d
Q 3.302650078977389 2.2714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1154  
   data-arc span      7952 days (21.77 yr)  
   first obs. used      1998-01-22  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53992  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:22:50  

Additional Information
 Earth MOID = 1.82147 au 
 Jupiter MOID = 1.78004 au 
 T_jup = 3.208 
[ 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 13.7   n/a MPO337725  
diameter diameter 9.165 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59477 (1999 HP3)          Discovered 1999-Apr-18 by CSS at Catalina
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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