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91108 (1998 HX37)
Classification: Main-belt Asteroid          SPK-ID: 2091108
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479968282811893 4.1334e-08  
a 2.617731797622269 1.2899e-08 au
q 2.230315794283357 1.0827e-07 au
i 13.95614833065638 7.5505e-06 deg
node 9.786081615618027 1.6561e-05 deg
peri 78.81724981829569 3.2192e-05 deg
M 272.9848692030864 2.6125e-05 deg
tp 2459770.419768399493
(2022-Jul-09.91976840)
0.00011259 TDB
period 1546.985166729096
4.24
1.1434e-05
3.13e-08
d
yr
n .2327106993282776 1.7201e-09 deg/d
Q 3.005147800961181 1.4808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1077  
   data-arc span      8537 days (23.37 yr)  
   first obs. used      1998-03-25  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52686  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:01:32  

Additional Information
 Earth MOID = 1.29426 au 
 Jupiter MOID = 2.30982 au 
 T_jup = 3.349 
[ 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 14.63   n/a MPCxxxxx  
diameter diameter 3.165 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.336   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91108 (1998 HX37)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 HX37 = 2000 RQ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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