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JPL Small-Body Database Browser
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58877 (1998 HM124)
Classification: Main-belt Asteroid          SPK-ID: 2058877
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .08183648751843059 3.4639e-08  
a 3.188907183308113 2.5567e-08 au
q 2.927938220403885 1.1201e-07 au
i 21.55992332737227 7.2647e-06 deg
node 204.7572309132388 1.0936e-05 deg
peri 93.67513926233214 4.6424e-05 deg
M 250.0759744811313 4.5131e-05 deg
tp 2459635.613535620032
(2022-Feb-25.11353562)
0.00026217 TDB
period 2079.989990759252
5.69
2.5015e-05
6.849e-08
d
yr
n .1730777559504459 2.0815e-09 deg/d
Q 3.449876146212341 2.766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      7925 days (21.70 yr)  
   first obs. used      1998-04-23  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49351  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:45:15  

Additional Information
 Earth MOID = 2.01634 au 
 Jupiter MOID = 1.78131 au 
 T_jup = 3.083 
[ 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 13.2   n/a MPO468490  
diameter diameter 13.759 km 1.588 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.059   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

58877 (1998 HM124)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HM124 = 1999 TP106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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