53311 Deucalion

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53311 Deucalion
Discovery A
Discoverer Deep Ecliptic Survey
Discovery date April 18, 1999
Alternate
designations B		 1999 HU11
Category TNO (cubewano)
Orbital elements C
Epoch August 18, 2005 (JD 2453600.5)
Eccentricity (e) 0.063
Semi-major axis (a) 44.368 AU
Perihelion (q) 41.579 AU
Aphelion (Q) 47.157 AU
Orbital period (P) 295.540 y
Mean orbital speed 4.467 km/s
Inclination (i) 0.366 °
Longitude of the
ascending node (Ω)		 51.570 °
Argument of
perihelion (ω)		 235.548 °
Mean anomaly (M) 291.869 °
Physical characteristics D
Dimensions 497 km
Mass  ?×10? kg
Density  ? g/cm³
Surface gravity  ? m/s²
Escape velocity  ? km/s
Rotation period  ? d
Spectral class  ?
Absolute magnitude 6.60
Albedo (geometric) 0.10?
Mean surface
temperature		 ~42 K
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53311 Deucalion (original provisional designation: 1999 HU11) is a trans-Neptunian object (TNO). It was discovered in 1999 by the Deep Ecliptic Survey (DES). It is classified as a cubewano, and named after Deucalion, from Greek mythology.

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Trans-Neptunian objects
Plutinos : Pluto* | 1993 SB | 1993 SC | 1994 JR1 | 1994 TB | 1995 QZ9 | 1996 SZ4 | 1996 TP66 | 1996 TQ66 | 1997 QJ4 | 1998 HK151 | 1998 US43 | 1998 VG44 | 1998 WW24 | 1998 WU31 | 38083 Rhadamanthus | 1999 TC36 | 38628 Huya | 28978 Ixion | 2002 KX14 | 2002 VR128 | 2003 VS2 | 90482 Orcus | Unnumbered: 1993 RO | 1993 RP | 2003 AZ84 | 2001 QF298

Cubewanos: 1992 QB1 | 1994 GV9 | 1994 JQ1 | 1994 VK8 | 1995 SM55 | 1996 TO66 | 58534 Logos | 1997 CS29 | 1997 CU29 | 1998 HJ151 | 1998 HP151 | 1998 HM151 | 1998 KR65 | 19521 Chaos | 1998 WA25 | 1999 DF9 | 1999 HT11 | 53311 Deucalion | 20000 Varuna | 2002 AW197 | 50000 Quaoar | 2002 TX300 | 2002 UX25 | 2003 EL61 | 2003 OP32 | 2004 GV9| 2005 FY9 | 2005 RN43 | Unnumbered: 1998 WW31 | 2002 MS4 | 2003 MW12 | 2003 QW90

Twotinos: 1996 TR66 | 1998 SM165 | 1999 RB216 | 2000 JG81 | 2002 WC19 | Unnumbered: 1997 SZ10

Other Orbital Resonances: 1994 JS | 1995 DA2 | 1998 WA31 | 1999 CP133 | 1999 DE9 | 1999 HB12 | 2001 KC77 | 2001 KP77 | 2002 TC302 | 2003 LG7

Scattered disc objects: Eris* | 1995 TL8 | 1996 GQ21 | 1996 TL66 | 1999 CC158 | 2000 EE173 | 2000 OO67 | 2000 OM67 | 2001 UR163 | 2002 CY224 | 2002 GX32 | 2002 RP120 | 90377 Sedna** | 2005 RM43 Unnumbered: 2000 CR105 | 2004 XR190 | 2005 TN74 | 2006 QH181

Unclassified Objects : 1997 CR29 | 1998 SN165 | 1999 CL158 | 1999 HC12 | 1999 KR16 | 1999 OY3 | 2003 FY128 | 2004 SB60 | 2004 TY364 | 2005 RR43

Natural satellites : Charon (Pluto) | Hydra (Pluto) | Nix (Pluto) | Dysnomia (Eris) | S/2000 (1998 WW31) 1 | S/2005 (2003 EL61) 1 | S/2005 (2003 EL61) 2 | (58534) Logos I Zoë | S/2005 (79360) 1 (1997 CS29)
* - Also classified as a dwarf planet   ** - Currently classified as an SDO, though may be part of the Inner Oort Cloud
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