C/2013 V5

C/2013 V5
Discovery
Discovered by Oukaimeden Observatory
0.5-m reflector (J43)[1]
Discovery date 12 November 2013
Orbital characteristics A
Epoch 20 September 2014[2]
Perihelion 0.62539 AU (q)[2]
Eccentricity 0.99868[2]
Orbital period several million years inbound (Barycentric solution for epoch 1950)[3]
~6000 years outbound
(Barycentric solution for epoch 2050)[3]
Inclination 154.88°[2]
Last perihelion 28 September 2014[2]

C/2013 V5 (Oukaimeden) is a retrograde Oort cloud comet discovered on 12 November 2013 by Oukaimeden Observatory at an apparent magnitude of 19.4 using a 0.5-meter (20 in) reflecting telescope.[1]

From 5 May 2014 until 18 July 2014 it had an elongation less than 30 degrees from the Sun.[4] By late August 2014 it had brighten to apparent magnitude 8[5] making it a small telescope and high-end binoculars target for experienced observers. It crossed the celestial equator on 30 August 2014 becoming a southern hemisphere object.[4] On 16 September 2014 the comet passed 0.480 AU (71,800,000 km; 44,600,000 mi) from Earth.[6] The comet peaked around magnitude 6.2 in mid-September 2014[7][8] but only had an elongation of about 35 degrees from the Sun.[4] On 20 September 2014 the comet was visible in STEREO HI-1B.[9] The comet came to perihelion (closest approach to the Sun) on 28 September 2014 at a distance of 0.625 AU (93,500,000 km; 58,100,000 mi) from the Sun.[2]

C/2013 V5 is dynamically new. It came from the Oort cloud with a loosely bound chaotic orbit that was easily perturbed by galactic tides and passing stars. Before entering the planetary region (epoch 1950), C/2013 V5 had an orbital period of several million years.[3] After leaving the planetary region (epoch 2050), it will have an orbital period of about 6000 years.[3]

References

  1. 1 2 "MPEC 2013-V95 : COMET C/2013 V5 (OUKAIMEDEN)". IAU Minor Planet Center. 2013-11-15. Retrieved 2013-05-05. (CK13V050)
  2. 1 2 3 4 5 6 "MPEC 2014-J58: Observations and Orbits of Comets". IAU Minor Planet Center. 12 May 2014. Retrieved 2014-06-15.
  3. 1 2 3 4 Horizons output. "Barycentric Osculating Orbital Elements for Comet C/2013 V5 (Oukaimeden)". Retrieved 2014-06-15. (Solution using the Solar System Barycenter and barycentric coordinates. Select Ephemeris Type:Elements and Center:@0)
  4. 1 2 3 "Elements and Ephemeris for C/2013 V5 (Oukaimeden)". IAU Minor Planet Center. Retrieved 2014-06-15.
  5. ↑ Yoshida, Seiichi (2014-08-31). "Weekly Information about Bright Comets (2014 Aug. 23: South)". aerith.net. Retrieved 2014-10-21.
  6. ↑ "JPL Close-Approach Data: C/2013 V5 (Oukaimeden)" (last observation: 2014-04-13; arc: 152 days). Retrieved 2014-06-15.
  7. ↑ Yoshida, Seiichi (2014-09-20). "Weekly Information about Bright Comets (2014 Sept. 20: South)". aerith.net. Retrieved 2014-10-21.
  8. ↑ Seiichi Yoshida (2014-05-11). "C/2013 V5 ( Oukaimeden )". Seiichi Yoshida's Comet Catalog. Retrieved 2013-06-15.
  9. ↑ Karl Battams (2014-09-22). "Comet C/2013 V5 Oukaimeden is in the @NASA STEREO HI-1B images". Retrieved 2014-09-23.
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