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305342 (2008 AH116)
Classification: Main-belt Asteroid          SPK-ID: 2305342
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04670289034094004 4.0144e-08  
a 3.043981298773317 3.6893e-08 au
q 2.901818573976835 1.2298e-07 au
i 10.74275135795993 5.2434e-06 deg
node 140.178868063093 2.4208e-05 deg
peri 244.1215881271162 6.1942e-05 deg
M 251.8412683734487 5.7555e-05 deg
tp 2459583.301259541310
(2022-Jan-03.80125954)
0.00031209 TDB
period 1939.819839597368
5.31
3.5266e-05
9.655e-08
d
yr
n .185584244810447 3.3739e-09 deg/d
Q 3.1861440235698 3.8616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1997-01-31  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:53:46  

Additional Information
 Earth MOID = 1.92068 au 
 Jupiter MOID = 2.05817 au 
 T_jup = 3.211 
[ 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 15.7   n/a MPO437356  

305342 (2008 AH116)          Discovered 2008-Jan-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ 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
1991-Oct-09 13:05 00:02 Psych 0.00352171125545982 0.00351739967641674 0.00352604068201604 2.68320721988178 2.68320593948284 2448539.045144371 2.48256402358456 467.904573512549 67.5019020917821 63.8365330855391 7006.93913157587 T 15 CATAB v2.0f-lin.ifort 2020-Feb-25 17:53:53 2020-Feb-25 17:54
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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