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447731 (2007 EF217)
Classification: Main-belt Asteroid          SPK-ID: 2447731
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08380597693487656 6.5839e-08  
a 3.143608630979713 5.2745e-08 au
q 2.880155438559548 2.1017e-07 au
i 7.390129095731588 7.2657e-06 deg
node 180.8433595765966 5.4128e-05 deg
peri 292.7834240867292 7.3783e-05 deg
M 255.7585438059453 5.6386e-05 deg
tp 2459985.993613584558
(2023-Feb-10.49361358)
0.00032666 TDB
period 2035.828245677793
5.57
5.1237e-05
1.403e-07
d
yr
n .1768322061373818 4.4504e-09 deg/d
Q 3.407061823399877 5.7165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      5846 days (16.01 yr)  
   first obs. used      2004-09-12  
   last obs. used      2020-09-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63576  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:02:42  

Additional Information
 Earth MOID = 1.90718 au 
 Jupiter MOID = 1.69699 au 
 T_jup = 3.191 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457986.5 (2017-Aug-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0818403342133536 6.3664e-08  
q 2.88752877728606 2.0437e-07 au
tp 2457920.676645509735
(2017-Jun-16.17664551)
0.00031302 TDB
node 181.4248391000047 5.4295e-05 deg
peri 287.8611585438386 7.5375e-05 deg
i 7.375752241183785 7.2492e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      5846 days (16.01 yr)  
   first obs. used      2004-09-12  
   last obs. used      2020-09-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63576  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:02:42  

Additional Information
 Jupiter MOID = 1.69699 au 
 T_jup = 3.191 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.053074923394017E-15 -1.263179714645093E-14 3.462981937715632E-12 1.06343755974603E-14 5.561376099532747E-13 4.517744705345729E-15
q -1.263179714645093E-14 4.176740435632267E-14 -3.887502996890916E-12 -2.287204157140742E-14 -5.881709750928891E-13 -1.20743373712373E-14
tp 3.462981937715632E-12 -3.887502996890916E-12 9.798238025631265E-8 8.593383454605322E-11 1.64410162075712E-8 -9.548072248383234E-12
node 1.06343755974603E-14 -2.287204157140742E-14 8.593383454605322E-11 2.947994595855641E-9 -2.908050200471223E-9 -5.056664943298348E-11
peri 5.561376099532747E-13 -5.881709750928891E-13 1.64410162075712E-8 -2.908050200471223E-9 5.681457435565219E-9 4.851751372659695E-11
i 4.517744705345729E-15 -1.20743373712373E-14 -9.548072248383234E-12 -5.056664943298348E-11 4.851751372659695E-11 5.25502307488213E-11

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 16.78   n/a E2021B25  

447731 (2007 EF217)          Discovered 2007-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

[ 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
1904-Dec-09 09:59 00:08 Jupiter 1.95625409704321 1.95625011918563 1.95625807494315 4.17064238836018 4.06550049054461 2416823.915990441 8.36410253162649 507.289601122997 29.5432543891641 69.3988289972124 2247030.21441038 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:02:43 2021-Apr-14 15:02
1915-May-16 02:30 00:08 Jupiter 1.73871493332537 1.73871356655526 1.73871630013739 3.0353069412623 2.87032743159049 2420633.603823360 7.88957261910624 528.604622892816 28.1163997139771 88.7573876264411 1558336.7429555 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:02:43 2021-Apr-14 15:02
1925-Sep-24 16:57 00:07 Jupiter 1.81631110984026 1.81630935595639 1.8163128637267 2.29629127949974 2.08333128637873 2424418.206300132 7.35168134276937 161.380195883102 28.5398803224415 -60.4678119143013 1642031.1900777 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:02:43 2021-Apr-14 15:02
1999-May-03 21:01 00:02 Jupiter 1.83385383384843 1.83385271473121 1.83385495296691 3.69281850972179 3.56554992293193 2451302.375756041 1.49422758198057 120.250887962079 31.3459002205476 72.2839039254792 1853996.63771067 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:02:43 2021-Apr-14 15:02
2009-Sep-30 21:56 < 00:01 Jupiter 1.72127858549401 1.72127778788126 1.72127938310647 2.64850104141768 2.45568309684008 2455105.413708332 0.759433567163018 87.3262386802063 28.3278811622716 88.4153343080652 1391547.45019316 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:02:43 2021-Apr-14 15:02
2020-Feb-07 14:32 < 00:01 Jupiter 1.89476596916263 1.89476524805935 1.89476669026581 2.46221596498816 2.27342074527867 2458887.105544397 0.382253928692653 70.2214303183735 11.2784111373493 -72.5600016107633 1969944.57899117 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:02:43 2021-Apr-14 15:02
2093-Sep-23 22:44 00:06 Jupiter 1.74505055371946 1.74504951756503 1.74505158989134 3.27167298005123 3.11978729604229 2485779.447400774 5.62594429756458 391.172859631487 27.7374555175015 86.8659541270092 1733234.0252197 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:02:43 2021-Apr-14 15:02
2104-Feb-13 23:39 00:07 Jupiter 1.7642465005058 1.76424467640176 1.76424832461835 2.4246769841742 2.21784798251749 2489573.485746950 6.7427667390894 247.331268795851 39.2580905232537 -64.8534461372725 1530130.33956338 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:02:43 2021-Apr-14 15:02
2177-Sep-12 02:05 00:12 Jupiter 1.89222624918405 1.89222162952531 1.89223086893464 3.83031590768862 3.71161075235939 2516447.586729370 11.791326398045 714.105811571695 28.1552612254723 73.241143005827 2081250.42518304 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:02:43 2021-Apr-14 15:02
2188-Feb-13 17:06 00:13 Jupiter 1.69567064981489 1.69566991402928 1.69567138560195 2.90071690919266 2.72307129547873 2520254.212253090 12.8519542364948 843.812691785466 28.7980495851489 -85.9504036692475 1529202.90506487 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:02:43 2021-Apr-14 15:02
2198-Jun-29 00:56 00:14 Jupiter 1.83625546978766 1.83625076018659 1.83626017938988 2.39926324590508 2.19861547746008 2524042.539044869 14.2511337726474 252.248156169019 52.4880523043328 -39.3940040488663 1200961.66297236 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:02:43 2021-Apr-14 15:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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