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22600 (1998 HH123)
Classification: Main-belt Asteroid          SPK-ID: 2022600
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08325650399785731 2.274e-08  
a 2.601124321919106 9.5844e-09 au
q 2.384563804412324 6.1154e-08 au
i 11.80551801756727 6.1507e-07 deg
node 181.1791033567365 5.0885e-06 deg
peri 207.3297661438515 1.0412e-05 deg
M 340.2097878966877 1.1267e-05 deg
tp 2459284.734119378696
(2021-Mar-11.23411938)
4.7903e-05 TDB
period 1532.286911227964
4.20
8.469e-06
2.319e-08
d
yr
n .234942945320533 1.2985e-09 deg/d
Q 2.817684839425888 1.0382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2425  
   data-arc span      16945 days (46.39 yr)  
   first obs. used      1974-09-21  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45162  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:05  

Additional Information
 Earth MOID = 1.39149 au 
 Jupiter MOID = 2.55327 au 
 T_jup = 3.380 
[ 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 13.74   n/a E2021B10  
diameter diameter 6.349 km 0.349 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.23 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Polishook, D. (2009) Minor Planet Bull. 36, 104-107.]
geometric albedo albedo 0.191   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22600 (1998 HH123)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HH123 = 1974 SF3 = 1995 SH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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