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192488 (1998 HK22)
Classification: Main-belt Asteroid          SPK-ID: 2192488
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417215000486784 4.3331e-08  
a 2.603508458354886 1.4542e-08 au
q 2.234535334247409 1.1035e-07 au
i 6.16742780578886 4.9955e-06 deg
node 24.87763323644162 3.7112e-05 deg
peri 146.8150586910939 4.0354e-05 deg
M 161.8168480446887 1.6327e-05 deg
tp 2458510.803292020021
(2019-Jan-27.30329202)
6.7681e-05 TDB
period 1534.394087346347
4.20
1.2855e-05
3.52e-08
d
yr
n .2346202992886925 1.9657e-09 deg/d
Q 2.972481582462363 1.6603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      8213 days (22.49 yr)  
   first obs. used      1998-03-22  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5867  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:18  

Additional Information
 Earth MOID = 1.2421 au 
 Jupiter MOID = 1.99374 au 
 T_jup = 3.391 
[ 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 15.99   n/a E2021B55  

192488 (1998 HK22)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1975-Jan-10 05:10 < 00:01 Jupiter 1.99151014377509 1.99150979913071 1.99151048841947 2.73110962646642 2.57066652894974 2442422.715506941 0.94469043401492 99.728674590472 11.9621092738315 -88.0902104990704 2617163.75016727 T 19 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:20 2021-Apr-13 22:16
2046-Jul-24 14:49 < 00:01 Jupiter 1.99151028498094 1.99150992075106 1.99151064921104 2.81200213204635 2.65644925835812 2468551.117566673 0.701385863866301 100.864942465261 10.3301280187146 -85.1096047534018 2623802.61229812 T 19 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:20 2021-Apr-13 22:16

Alternate Designations
 1998 HK22 = 2002 CG257 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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