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312408 (2008 FN71)
Classification: Main-belt Asteroid          SPK-ID: 2312408
[ 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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1418078892732779 9.8558e-08  
a 3.114595491932036 6.4997e-08 au
q 2.672921279281087 3.4355e-07 au
i 10.20023271955895 9.389e-06 deg
node 169.3312548506539 5.1789e-05 deg
peri 179.5057847709272 6.3117e-05 deg
M 260.2280248815877 3.3961e-05 deg
tp 2459556.925432237702
(2021-Dec-08.42543224)		 0.00018811 TDB
period 2007.709633570299
5.50		 6.2847e-05
1.721e-07		 d
yr
n .1793087974379113 5.6129e-09 deg/d
Q 3.556269704582985 7.4215e-08 au
   Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      5319 days (14.56 yr)  
   first obs. used      2005-10-03  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:27:12  

Additional Information
 Earth MOID = 1.6666 au 
 Jupiter MOID = 1.88027 au 
 T_jup = 3.178 
[ 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 16.0   n/a MPO434003  

312408 (2008 FN71)          Discovered 2008-Mar-05 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
1908-May-06 03:33 00:10 Jupiter 1.93304433148683 1.93304247884457 1.93304618416765 2.94961867561763 2.79712158138665 2418067.648225943 10.4584202447137 483.216291098042 29.2787959621049 77.9875715701358 1892676.48946544 T 9 CATAB v2.0f-lin.ifort 2020-May-21 20:27:14 2020-May-21 20:27
1980-Jul-13 13:08 00:03 Jupiter 1.90074671602901 1.90074590187369 1.90074753018443 3.24924478860603 3.10907370735513 2444434.047029899 3.26527206885085 254.553821781298 33.4311183552505 89.5118845724433 1572456.0428552 T 9 CATAB v2.0f-lin.ifort 2020-May-21 20:27:14 2020-May-21 20:27
1990-Oct-11 15:11 00:02 Jupiter 1.9930600992111 1.99305908843936 1.99306110998387 2.92645858244189 2.77744270124374 2448176.132641601 2.36286984415911 117.383980351985 30.7844402085851 71.7661244080513 2258102.18093607 T 9 CATAB v2.0f-lin.ifort 2020-May-21 20:27:14 2020-May-21 20:27
2052-Sep-09 00:55 00:03 Jupiter 1.98864280125919 1.98864108270547 1.98864451982015 3.38453002644544 3.25625300200778 2470789.538282270 3.42495546047221 251.194316960304 40.8490313946534 -74.8714947264825 1325749.89323257 T 9 CATAB v2.0f-lin.ifort 2020-May-21 20:27:14 2020-May-21 20:27
2062-Dec-29 18:33 00:05 Jupiter 1.90786606651996 1.9078653260627 1.90786680698079 3.14591641252546 3.00147688206853 2474553.272676506 4.63803353519463 332.207637624081 27.413018848092 86.07197356716 1639277.04969324 T 9 CATAB v2.0f-lin.ifort 2020-May-21 20:27:14 2020-May-21 20:27
2135-Mar-01 22:14 00:11 Jupiter 1.92307082995048 1.92306858475497 1.92307307527431 3.31576154523312 3.18015226322881 2500912.426102800 11.1533289978711 869.554959936424 34.5530960635758 -83.7504004975168 1406539.02968352 T 9 CATAB v2.0f-lin.ifort 2020-May-21 20:27:14 2020-May-21 20:27
2145-Jun-13 22:34 00:13 Jupiter 1.96174543072729 1.96174262345349 1.96174823805674 3.09969867092873 2.95712565938536 2504669.440296934 12.9690658670148 566.011100055069 29.660370324682 75.0392036223795 2200271.67322568 T 9 CATAB v2.0f-lin.ifort 2020-May-21 20:27:14 2020-May-21 20:27

Alternate Designations
 2008 FN71 = 2011 WB103 
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