astro.wikisort.org - Asteroid

2012 TV is a near-Earth Apollo asteroid with an estimated diameter of 30 metres (98 ft).[2] Its closest approach to the Earth was on October 7, 2012 with a distance of 0.0017 astronomical units (250,000 km; 160,000 mi).[3] It also approached the Moon an hour earlier with a distance of 0.0028 astronomical units (420,000 km; 260,000 mi).[3] With a short observation arc of 1.8 days, the asteroid is listed on the Sentry Risk Table and has a 1:500,000 chance of impacting Earth on April 2, 2081.[2]

2012 TV

Discovery[1]
Discovered by	Tenagra II Observatory
Discovery site	Nogales, Arizona
Discovery date	October 5, 2012
Designations
MPC designation	2012 TV
Alternative designations	MPO 240124
Minor planet category	Apollo NEO risk listed[2]
Orbital characteristics[3]
Epoch 2022-Jan-21 (JD 2459600.5)
Uncertainty parameter 7
Observation arc	1.8 days[2]
Aphelion	2.361 AU (353.2 Gm)
Perihelion	0.6439 AU (96.33 Gm)
Semi-major axis	1.502 AU (224.7 Gm)
Eccentricity	0.5714
Orbital period (sidereal)	1.84 yr (672.7 d)
Mean anomaly	348°
Mean motion	0° 32m 6.72s /day[1]
Inclination	5.54°
Longitude of ascending node	193.4°
Time of perihelion	2022-Feb-12.6 ± 1.5 days
Argument of perihelion	270.0°
Earth MOID	0.002 AU (300,000 km)[3]
Mercury MOID	0.34112 AU (51,031,000 km)[1]
Jupiter MOID	2.83676 AU (424.373 Gm)[1]
Physical characteristics
Dimensions	24–54 meters
Sidereal rotation period	0.0525 hr[3]
Absolute magnitude (H)	25.2[3]

As it will come to perihelion in mid-February 2022, it will be approaching Earth from the direction of the Sun. The closest approach possible during April 2022 is 0.66 LD (250,000 km), but it is expected to pass millions of kilometers from Earth.[3]

2022 close approach[3]

Date	JPL SBDB nominal geocentric distance	uncertainty region (3-sigma)
2022-04-05.2 ± 4.3 days	7.4 million km	± 11.6 million km[4]

See also

• List of asteroid close approaches to Earth in 2022
• List of asteroid close approaches to Earth in 2012
• 2012 TC4
• 2012 EG5

References

External links

• 2012 TV at NeoDyS-2, Near Earth Objects—Dynamic Site
  • Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
• 2012 TV at ESA–space situational awareness
  • Ephemerides · Observations · Orbit · Physical Properties · Summary
• 2012 TV at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

---