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JPL Small-Body Database Browser
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17837 (1998 HQ92)
Classification: Outer Main-belt Asteroid          SPK-ID: 2017837
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09194438705351196 4.2977e-08  
a 3.247385744638866 2.2071e-08 au
q 2.948806852821733 1.3939e-07 au
i 1.681813605391936 4.7427e-06 deg
node 55.66768308340889 0.00016247 deg
peri 174.850047198084 0.00016475 deg
M 204.1841122963411 2.9706e-05 deg
tp 2459525.642184244041
(2021-Nov-07.14218424)
0.00018001 TDB
period 2137.466154679128
5.85
2.1791e-05
5.966e-08
d
yr
n .1684237194642469 1.717e-09 deg/d
Q 3.545964636455999 2.41e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1295  
   data-arc span      10107 days (27.67 yr)  
   first obs. used      1992-04-04  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55435  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:23:09  

Additional Information
 Earth MOID = 1.93828 au 
 Jupiter MOID = 1.43988 au 
 T_jup = 3.175 
[ 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 MPO337409  
diameter diameter 7.915 km 0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.112   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17837 (1998 HQ92)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20001013/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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