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58841 (1998 HT54)
Classification: Main-belt Asteroid          SPK-ID: 2058841
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1264361182850509 5.3463e-08  
a 2.561543659694689 1.1959e-08 au
q 2.23767202254521 1.4077e-07 au
i 13.01658308007644 6.5444e-06 deg
node 13.26258222427045 1.931e-05 deg
peri 104.5939750190185 3.7421e-05 deg
M 216.3755010369455 2.7803e-05 deg
tp 2459597.916339539377
(2022-Jan-18.41633954)
0.00011458 TDB
period 1497.445657161174
4.10
1.0487e-05
2.871e-08
d
yr
n .2404093920059045 1.6836e-09 deg/d
Q 2.885415296844169 1.3471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1599  
   data-arc span      23291 days (63.77 yr)  
   first obs. used      1955-10-24  
   last obs. used      2019-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:38:00  

Additional Information
 Earth MOID = 1.2933 au 
 Jupiter MOID = 2.24129 au 
 T_jup = 3.388 
[ 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 13.6   n/a MPO436193  
diameter diameter 5.121 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.203   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58841 (1998 HT54)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HT54 = 2000 QL151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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