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58872 (1998 HY117)
Classification: Main-belt Asteroid          SPK-ID: 2058872
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2296366019704057 3.2769e-08  
a 2.605618484667739 1.37e-08 au
q 2.007273109817362 8.6289e-08 au
i 12.5368543958349 6.5479e-06 deg
node 70.3327256349999 1.8298e-05 deg
peri 52.3041447221554 2.4093e-05 deg
M 159.8554159209496 1.6359e-05 deg
tp 2458318.334862564169
(2018-Jul-18.83486256)
6.7355e-05 TDB
period 1536.259801158949
4.21
1.2116e-05
3.317e-08
d
yr
n .2343353641932291 1.8482e-09 deg/d
Q 3.203963859518116 1.6846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      773  
   data-arc span      24990 days (68.42 yr)  
   first obs. used      1950-12-09  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49091  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:13:59  

Additional Information
 Earth MOID = 1.04931 au 
 Jupiter MOID = 2.01574 au 
 T_jup = 3.342 
[ 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 15.2   n/a MPO474468  
diameter diameter 5.096 km 0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58872 (1998 HY117)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HY117 = 2000 SE355 = 2002 BA30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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