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192489 (1998 HU22)
Classification: Main-belt Asteroid          SPK-ID: 2192489
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .192887413644469 1.662e-07  
a 2.565392674999964 2.7292e-08 au
q 2.070560716936755 4.4162e-07 au
i 10.70869176108407 7.2281e-06 deg
node 39.04498287339798 4.4784e-05 deg
peri 132.0117609226909 5.6555e-05 deg
M 202.0401707079202 4.6386e-05 deg
tp 2459859.026653315692
(2022-Oct-06.52665332)
0.00020297 TDB
period 1500.822052392126
4.11
2.395e-05
6.557e-08
d
yr
n .2398685436599257 3.8278e-09 deg/d
Q 3.060224633063173 3.2557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      9715 days (26.60 yr)  
   first obs. used      1994-04-12  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .67698  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:19  

Additional Information
 Earth MOID = 1.09086 au 
 Jupiter MOID = 1.94175 au 
 T_jup = 3.382 
[ 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 16.3   n/a MPO433270  
diameter diameter 3.059 km 0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192489 (1998 HU22)          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
1963-May-23 17:25 00:02 Jupiter 1.92719207141589 1.92719101457479 1.92719312844255 2.76654481551382 2.60283457112283 2438173.225905581 2.23079864314177 1169.90900906971 16.3765037962803 -87.6447171522576 1063520.93086211 T 12 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:19 2021-Apr-13 22:16
2070-Feb-20 12:58 00:03 Jupiter 1.92166207461739 1.92166109811233 1.92166305121179 2.78203907700179 2.61881451002248 2477163.040187693 2.66608717984617 937.564000091506 23.5584592758214 -87.9840850332465 756892.347269222 T 12 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:19 2021-Apr-13 22:16
2176-Nov-22 06:27 00:08 Jupiter 1.92452912964464 1.92452827958374 1.92452997981341 2.81265068251893 2.65155900561903 2516153.768720801 7.54260253873877 1210.74295927753 31.7382271434781 -86.8525274961387 652599.550358572 T 12 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:19 2021-Apr-13 22:16
2189-Jul-04 09:18 00:08 Jupiter 1.99027010303665 1.99026633526762 1.99027387106645 3.3296550256537 3.19928729762613 2520760.887289531 8.13687148569736 1205.90442573729 25.4098484538205 -82.825295048932 1119670.74671983 T 12 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:19 2021-Apr-13 22:16

Alternate Designations
 1998 HU22 = 1996 TF31 = 2002 FG21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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