2012 EF5

Initial reported observation by Lincoln Laboratory ETS, New Mexico on 2012-03-12.
(Discoverer will be defined when the object is numbered. See this note on how discoverers are determined.)

Orbit

Orbit type: Apollo
Near-Earth Object
One opposition object seen prior.

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epoch2023-02-25.0
epoch JD2460000.5
perihelion date2021-10-24.30408
perihelion JD2459511.80408
argument of perihelion (°)69.91562
ascending node (°)164.03853
inclination (°)47.79150
eccentricity0.2607711
perihelion distance (AU)0.9035941
Tisserand w.r.t. Jupiter4.9
ΔV w.r.t. Earth (km/sec)17.5
semimajor axis (AU)1.2223468
mean anomaly (°)356.41084
mean daily motion (°/day)0.72931000
aphelion distance (AU)1.541
period (years)1.35
P-vector [x]-0.50367671
P-vector [y]-0.74666726
P-vector [z]0.43450866
Q-vector [x]0.83953639
Q-vector [y]-0.54164603
Q-vector [z]0.04240555
absolute magnitude21.42
phase slope0.15
uncertainty9
referenceMPO 750185
observations used30
oppositions1
arc length (days)12
first opposition used2012
last opposition used2012
residual rms (arc-secs)0.33
perturbers coarse indicatorM-v
perturbers precise indicator003Ek
first observation date used2012-03-12.0
last observation date used2012-03-24.0
computer nameBell
JD of orbit computation2456010.644073
perihelion JD uncertainty (days)1.3565E-01
argument of perihelion uncertainty (°)1.6063E-01
ascending node uncertainty (°)6.5392E-03
inclination uncertainty (°)5.0940E-02
eccentricity uncertainty 6.8202E-04
perihelion distance uncertainty (AU)3.3764E-04
 Minimum Orbit Intersection Distances (in AU)
for orbit epoch: 2460000.5, reference: E2023-N14
Mercury0.57921
Venus0.29239
Earth0.05135
Mars0.11251
Jupiter3.64034
Saturn8.04765
Uranus17.3637
Neptune28.5394

Observations

31 total observations over interval: 2012 03 12.16341 – 2012 03 24.13390
These data are available for download (format description).

Date (UT) J2000 RA J2000 Dec Magn Location Ref
2012 03 12.16341 06 45 55.03 +35 16 42.1 19.4   704 – Lincoln Laboratory ETS, New Mexico MPS 416242
2012 03 12.17467 06 45 49.26 +35 20 29.1 19.6   704 – Lincoln Laboratory ETS, New Mexico MPS 416242
2012 03 12.18595 06 45 43.49 +35 24 15.1 19.8   704 – Lincoln Laboratory ETS, New Mexico MPS 416242
2012 03 12.19716 06 45 37.89 +35 27 59.5 19.6   704 – Lincoln Laboratory ETS, New Mexico MPS 416242
2012 03 13.218884 06 37 20.23 +40 51 22.4 19.7 V H21 – Astronomical Research Observatory, Westfield MPS 416242
2012 03 13.220206 06 37 19.57 +40 51 46.0 19.5 V H21 – Astronomical Research Observatory, Westfield MPS 416242
2012 03 13.222760 06 37 18.25 +40 52 31.1 19.6 V H21 – Astronomical Research Observatory, Westfield MPS 416242
2012 03 13.224696 06 37 17.31 +40 53 04.9 19.5 V H21 – Astronomical Research Observatory, Westfield MPS 416242
2012 03 13.78374 06 32 44.21 +43 33 52.3 19.3 R 204 – Schiaparelli Observatory MPS 416242
2012 03 13.79263 06 32 39.42 +43 36 20.8 19.6 R A24 – New Millennium Observatory, Mozzate MPS 416242
2012 03 13.80361 06 32 33.86 +43 39 23.0 19.4 R A24 – New Millennium Observatory, Mozzate MPS 416242
2012 03 13.80364 06 32 33.68 +43 39 22.0   204 – Schiaparelli Observatory MPS 416242
2012 03 13.84710 06 32 11.47 +43 51 21.0 19.2 V I93 – St Pardon de Conques MPS 416242
2012 03 13.84918 06 32 10.43 +43 51 55.2 19.3 V I93 – St Pardon de Conques MPS 416242
2012 03 13.86323 06 32 03.08 +43 55 46.3 19.4 V I93 – St Pardon de Conques MPS 416242
2012 03 13.87651 06 31 56.14 +43 59 22.6 18.6 V I93 – St Pardon de Conques MPS 416242
2012 03 13.88036 06 31 54.17 +44 00 26.1 18.7 V I93 – St Pardon de Conques MPS 416242
2012 03 13.89755 06 31 44.71 +44 05 00.8   203 – GiaGa Observatory MPS 416242
2012 03 13.92030 06 31 32.94 +44 11 09.2   203 – GiaGa Observatory MPS 416242
2012 03 14.078020 06 30 16.10 +44 53 58.0 20.0 V H21 – Astronomical Research Observatory, Westfield MPS 416242
2012 03 14.081543 06 30 14.23 +44 54 54.0 20.2 V H21 – Astronomical Research Observatory, Westfield MPS 416242
2012 03 14.085067 06 30 12.35 +44 55 50.1 20.2 V H21 – Astronomical Research Observatory, Westfield MPS 416242
2012 03 14.11158 06 29 59.72 +45 03 00.5 19.1 R H01 – Magdalena Ridge Observatory, Socorro MPS 416242
2012 03 14.11859 06 29 55.99 +45 04 51.9 19.4 R H01 – Magdalena Ridge Observatory, Socorro MPS 416242
2012 03 14.12541 06 29 52.34 +45 06 40.1 19.4 R H01 – Magdalena Ridge Observatory, Socorro MPS 416242
2012 03 14.13226 06 29 48.69 +45 08 28.6 19.3 R H01 – Magdalena Ridge Observatory, Socorro MPS 416242
2012 03 17.04835 06 04 33.97 +55 45 09.1 19.8 V H21 – Astronomical Research Observatory, Westfield MPS 417374
2012 03 17.05276 06 04 31.47 +55 45 56.1 20.3 V H21 – Astronomical Research Observatory, Westfield MPS 417374
2012 03 17.05452 06 04 30.44 +55 46 14.7 20.5 V H21 – Astronomical Research Observatory, Westfield MPS 417374
2012 03 24.13265 04 57 32.32 +69 08 57.9   291 – LPL/Spacewatch II MPS 418613
2012 03 24.13390 04 57 31.64 +69 09 01.5   291 – LPL/Spacewatch II MPS 418613