Back 4450 Pan (كويكب) ARZ 4450 Пан Bulgarian (4450) Pan Catalan (4450) Пан CE (4450) Pan German 4450 Pajno Esperanto (4450) Pan Spanish پان ۴۴۵۰ Persian (4450) Pan French 4450 Pan Croatian
| Discovery [1] | |
|---|---|
| Discovered by | C. S. Shoemaker E. M. Shoemaker |
| Discovery site | Palomar Obs. |
| Discovery date | 25 September 1987 |
| Designations | |
| (4450) Pan | |
| Pronunciation | /ˈpæn/[2] |
Named after | Pan (Greek deity)[3] |
| 1987 SY · 1937 CA | |
| NEO · Apollo · PHA [1][4] | |
| Orbital characteristics [1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 78.85 yr (28,799 days) |
| Earliest precovery date | 6 February 1937 |
| Aphelion | 2.2884 AU |
| Perihelion | 0.5962 AU |
| 1.4423 AU | |
| Eccentricity | 0.5866 |
| 1.73 yr (633 days) | |
| 152.71° | |
| 0° 34m 8.4s / day | |
| Inclination | 5.5196° |
| 311.84° | |
| 291.79° | |
| Earth MOID | 0.0287 AU · 11.2 LD |
| Physical characteristics | |
| 1.0±0.2 km[5] 1.13 km (calculated)[6] | |
| 3.51±0.02 h[7] 56.48±0.02 h[8] 60±12 h[a] | |
| 0.20 (assumed)[6] | |
| S [6] | |
| 17.1[1][6] · 17.43±0.07[5] | |
4450 Pan (prov. designation: 1987 SY) is a highly eccentric asteroid and contact binary, classified as a potentially hazardous asteroid and near-Earth object of the Apollo group, approximately 1.1 kilometers in diameter. It was discovered on 25 September 1987, by American astronomers Eugene and Carolyn Shoemaker at Palomar Observatory in California, United States.[4] It was named after Pan from Greek mythology.[3]
- ^ a b c d Cite error: The named reference
jpldatawas invoked but never defined (see the help page). - ^ "Pan". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
- ^ a b Cite error: The named reference
springerwas invoked but never defined (see the help page). - ^ a b Cite error: The named reference
MPC-Panwas invoked but never defined (see the help page). - ^ a b Cite error: The named reference
Carbognani-2008bwas invoked but never defined (see the help page). - ^ a b c d Cite error: The named reference
lcdbwas invoked but never defined (see the help page). - ^ Cite error: The named reference
geneva-obswas invoked but never defined (see the help page). - ^ Cite error: The named reference
Warner-2014ewas invoked but never defined (see the help page).
Cite error: There are <ref group=lower-alpha> tags or {{efn}} templates on this page, but the references will not show without a {{reflist|group=lower-alpha}} template or {{notelist}} template (see the help page).