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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09163349789624461 3.9026e-08  
a 3.246385400323594 1.9283e-08 au
q 2.948907750572643 1.2973e-07 au
i 1.681524565213979 4.1781e-06 deg
node 55.65063248845759 0.00015118 deg
peri 175.1183031649246 0.00015336 deg
M 304.956549501334 2.8093e-05 deg
tp 2459527.164312824480
(2021-Nov-08.66431282)
0.00016782 TDB
period 2136.478573770784
5.85
1.9035e-05
5.211e-08
d
yr
n .1685015728309491 1.5013e-09 deg/d
Q 3.543863050074545 2.105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1550  
   data-arc span      10581 days (28.97 yr)  
   first obs. used      1992-04-04  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54307  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:37:18  

Additional Information
 Earth MOID = 1.93704 au 
 Jupiter MOID = 1.44056 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 13.73   n/a MPCxxxxx  
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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