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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08271727024602546 4.3513e-08  
a 3.075524773057187 1.9343e-08 au
q 2.821125759255869 1.3292e-07 au
i 11.0479936112239 4.3647e-06 deg
node 109.1648012299495 2.4132e-05 deg
peri 306.667025643465 3.64e-05 deg
M 101.7595930775313 2.6618e-05 deg
tp 2458443.634731300875
(2018-Nov-21.13473130)
0.00014574 TDB
period 1970.050102096461
5.39
1.8585e-05
5.088e-08
d
yr
n .1827364692993849 1.7239e-09 deg/d
Q 3.329923786858505 2.0943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      8174 days (22.38 yr)  
   first obs. used      1998-01-01  
   last obs. used      2020-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58256  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:23:09  

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

[ 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
2043-Dec-31 13:43 < 00:01 Jupiter 1.98786034651723 1.98785996663579 1.98786072639867 4.04657495683717 3.93986975524844 2467615.071687635 0.844829213753921 71.955401729818 17.1496951181803 -88.2880475419539 4026984.05902663 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:23:11 2020-Nov-12 21:23
2103-Jul-02 18:52 00:02 Jupiter 1.97883089256892 1.97883050721564 1.97883127792264 4.0722278944234 3.96572266346885 2489347.286122704 2.47755675159675 164.794614287046 16.6030672038712 -87.6846189075981 3956994.29210848 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:23:11 2020-Nov-12 21:23
2163-Jan-01 17:22 00:04 Jupiter 1.97412867469604 1.97412831568801 1.97412903370407 4.08037384690697 3.97383037211082 2511080.223653084 4.13549090504482 278.033093317281 16.084278549304 -89.8112142945092 3945352.88114532 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:23:11 2020-Nov-12 21:23

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