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79469 (1998 AH2)
Classification: Main-belt Asteroid          SPK-ID: 2079469
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08271726959138363 4.3559e-08  
a 3.07552477330106 1.9358e-08 au
q 2.821125761492937 1.3309e-07 au
i 11.04799366353641 4.3711e-06 deg
node 109.1648010197691 2.4151e-05 deg
peri 306.6670257154341 3.6416e-05 deg
M 101.7595931364068 2.6619e-05 deg
tp 2458443.634730912452
(2018-Nov-21.13473091)
0.00014575 TDB
period 1970.050102330783
5.39
1.86e-05
5.092e-08
d
yr
n .1827364692776498 1.7253e-09 deg/d
Q 3.329923785109183 2.096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      8154 days (22.32 yr)  
   first obs. used      1998-01-01  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:40:41  

Additional Information
 Earth MOID = 1.85055 au 
 Jupiter MOID = 1.95102 au 
 T_jup = 3.196 
[ 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 14.3   n/a MPO417373  
diameter diameter 4.956 km 0.311 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79469 (1998 AH2)          Discovered 1998-Jan-01 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 AH2 = 2001 PF24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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