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312258 (2008 AE13)
Classification: Main-belt Asteroid          SPK-ID: 2312258
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183796953181121 5.8469e-08  
a 2.615305457128194 2.474e-08 au
q 2.305706393949563 1.5343e-07 au
i 12.52354158438424 6.7481e-06 deg
node 286.3592456592147 2.7713e-05 deg
peri 352.7419265932759 3.8985e-05 deg
M 180.2671384660896 2.7906e-05 deg
tp 2459771.771076049511
(2022-Jul-11.27107605)
0.0001212 TDB
period 1544.834845493394
4.23
2.1921e-05
6.002e-08
d
yr
n .2330346192346679 3.3067e-09 deg/d
Q 2.924904520306825 2.7669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      7011 days (19.20 yr)  
   first obs. used      2001-08-10  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6167  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:48:02  

Additional Information
 Earth MOID = 1.28974 au 
 Jupiter MOID = 2.22947 au 
 T_jup = 3.364 
[ 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 16.2   n/a MPO450243  

312258 (2008 AE13)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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
1906-Jul-07 09:52 < 00:01 Psych 0.0305088940717589 0.0304685487616737 0.0305492498480014 5.52091363651753 5.52091356468589 2417398.911253020 0.851777320067307 2199.9029451507 76.5493161675176 -23.9186953743666 24234.6264374797 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 18:48:03 2020-Nov-11 18:48
1921-Apr-21 10:28 00:05 Iris 0.0212876512983503 0.0212451007685579 0.0213302086153263 6.48702688341426 6.48702684178491 2422800.936412947 4.96267989462271 2204.7245747139 78.7007250691701 -15.7955746453297 11098.499265603 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 18:48:03 2020-Nov-11 18:48
2016-Jun-01 22:39 < 00:01 Psych 0.0270187129182167 0.0270153685018405 0.0270220573379953 5.45258803213415 5.45258795000718 2457541.443891057 0.863459381062532 167.558933408112 75.7139412500775 -6.52779419266384 24709.8972122497 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 18:48:03 2020-Nov-11 18:48
2071-May-19 11:20 00:01 Psych 0.0350285028280609 0.0350044131234046 0.0350525954129561 5.49823648868864 5.49823642586716 2477615.972512108 1.01743207112421 1301.38651038585 75.9608682780294 22.7168421699286 26883.8954297758 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 18:48:03 2020-Nov-11 18:48
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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