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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 ]

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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

[ 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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