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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457547.5 (2016-Jun-08.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914227659968168 1.6615e-07  
q 2.075948709946467 4.4113e-07 au
tp 2456854.896951959597
(2014-Jul-16.39695196)
0.00016124 TDB
node 39.12746837215291 4.4731e-05 deg
peri 131.9707865426428 5.651e-05 deg
i 10.71281550463671 7.2282e-06 deg
  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
 Jupiter MOID = 1.94175 au 
 T_jup = 3.382 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.760734177023041E-14 -7.324689738068688E-14 -2.170890124334078E-11 9.270732149700252E-13 -4.648382106917844E-12 -1.388066585594879E-13
q -7.324689738068688E-14 1.94598510533753E-13 5.870225967000401E-11 -2.478563651280075E-12 1.259145060021273E-11 3.73282140122607E-13
tp -2.170890124334078E-11 5.870225967000401E-11 2.59979214396049E-8 -8.775019910789705E-10 5.745070604236804E-9 1.457864370783477E-10
node 9.270732149700252E-13 -2.478563651280075E-12 -8.775019910789705E-10 2.000848046407757E-9 -2.123617328622449E-9 -1.640013756312894E-10
peri -4.648382106917844E-12 1.259145060021273E-11 5.745070604236804E-9 -2.123617328622449E-9 3.193398271056051E-9 1.879557116332411E-10
i -1.388066585594879E-13 3.73282140122607E-13 1.457864370783477E-10 -1.640013756312894E-10 1.879557116332411E-10 5.224698366152448E-11

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

[ show close-approach data ]
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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