🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.98 AU - 1.44 AU

Year: 501 Days

Day: 25.2 Hours

Environment

Temp: -8 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 78,446,657 km

• M1: 1,036,863 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.1 AU - 1.32 AU

Year: 501 Days

Day: 15.7 Hours

Environment

Temp: -13 °C

Axial Tilt: 14.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.14 AU - 4.1 AU

Year: 2595 Days

Day: 17.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,446,657 km

• M1: 158,574 km (0.103 R)

Asteroid Belt

Center: 4.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.5

Radius: 14.8

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.28 AU - 6.7 AU

Year: 5523 Days

Day: 12.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,446,657 km

• M1: 192,682 km (0.116 R)
• M2: 952,789 km (0.094 R)
• M3: 1,409,362 km (0.102 R)
• M4: 1,745,209 km (0.087 R)
• M5: 2,198,490 km (0.118 R)
• M6: 3,904,953 km (0.105 R)
• M7: 4,543,437 km (0.08 R)
• M8: 5,085,580 km (0.062 R)
• M9: 5,814,570 km (0.081 R)
• M10: 7,189,973 km (0.097 R)
• M11: 7,782,081 km (0.05 R)
• M12: 8,367,009 km (0.104 R)
• M13: 9,006,091 km (0.11 R)
• M14: 9,702,918 km (0.032 R)
• M15: 10,815,776 km (0.057 R)
• M16: 11,468,771 km (0.109 R)
• M17: 11,952,421 km (0.036 R)
• M18: 12,369,650 km (0.119 R)
• M19: 13,146,810 km (0.092 R)
• M20: 13,705,259 km (0.106 R)
• M21: 14,440,383 km (0.089 R)
• M22: 14,815,276 km (0.109 R)
• M23: 16,540,139 km (0.115 R)
• M24: 17,989,443 km (0.115 R)
• M25: 19,259,978 km (0.054 R)
• M26: 20,475,461 km (0.106 R)
• M27: 22,394,951 km (0.103 R)
• M28: 24,078,525 km (0.076 R)
• M29: 24,563,222 km (0.105 R)
• M30: 25,326,620 km (0.12 R)
• M31: 25,768,233 km (0.089 R)
• M32: 27,343,948 km (0.113 R)
• M33: 29,143,610 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.6

Radius: 8.3

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.31 AU - 8.17 AU

Year: 8112 Days

Day: 10.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,446,657 km

• M1: 137,929 km (0.112 R)
• M2: 383,419 km (0.115 R)
• M3: 623,524 km (0.117 R)
• M4: 824,583 km (0.099 R)
• M5: 1,429,856 km (0.103 R)
• M6: 2,003,863 km (0.08 R)
• M7: 2,320,861 km (0.09 R)
• M8: 2,588,342 km (0.061 R)
• M9: 3,108,195 km (0.05 R)
• M10: 3,271,705 km (0.093 R)
• M11: 3,568,358 km (0.081 R)
• M12: 5,118,940 km (0.04 R)
• M13: 7,388,639 km (0.12 R)
• M14: 7,642,058 km (0.086 R)
• M15: 7,867,202 km (0.07 R)
• M16: 8,327,665 km (0.063 R)
• M17: 8,904,664 km (0.114 R)
• M18: 9,824,990 km (0.083 R)
• M19: 10,451,506 km (0.112 R)
• M20: 10,639,401 km (0.091 R)
• M21: 11,213,557 km (0.088 R)
• M22: 11,369,139 km (0.041 R)
• M23: 11,525,918 km (0.094 R)
• M24: 12,694,726 km (0.032 R)
• M25: 12,860,331 km (0.051 R)
• M26: 13,619,241 km (0.075 R)
• M27: 13,834,063 km (0.036 R)
• M28: 14,709,809 km (0.103 R)
• M29: 15,067,647 km (0.074 R)
• M30: 15,981,241 km (0.094 R)
• M31: 21,115,291 km (0.098 R)
• M32: 22,801,109 km (0.087 R)
• M33: 25,014,260 km (0.107 R)
• M34: 27,879,358 km (0.062 R)
• M35: 29,307,569 km (0.113 R)
• M36: 30,642,880 km (0.099 R)
• M37: 33,469,980 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.5

Radius: 11.4

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.73 AU - 10.99 AU

Year: 11664 Days

Day: 13.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,446,657 km

• M1: 210,634 km (0.095 R)
• M2: 543,639 km (0.096 R)
• M3: 1,861,895 km (0.077 R)
• M4: 2,334,924 km (0.082 R)
• M5: 3,257,344 km (0.084 R)
• M6: 3,969,131 km (0.111 R)
• M7: 5,637,745 km (0.118 R)
• M8: 6,738,486 km (0.067 R)
• M9: 8,062,128 km (0.109 R)
• M10: 9,540,155 km (0.106 R)
• M11: 16,318,285 km (0.11 R)
• M12: 16,894,836 km (0.114 R)
• M13: 17,299,797 km (0.104 R)
• M14: 18,873,567 km (0.099 R)
• M15: 19,493,650 km (0.097 R)
• M16: 26,753,485 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.1

Radius: 10.9

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.53 AU - 10.77 AU

Year: 12182 Days

Day: 10.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,446,657 km

• M1: 182,360 km (0.1 R)
• M2: 794,514 km (0.115 R)
• M3: 1,130,212 km (0.053 R)
• M4: 1,822,551 km (0.111 R)
• M5: 2,093,772 km (0.119 R)
• M6: 2,574,430 km (0.102 R)
• M7: 2,796,583 km (0.111 R)
• M8: 3,521,235 km (0.107 R)
• M9: 3,991,720 km (0.109 R)
• M10: 4,754,968 km (0.037 R)
• M11: 5,024,693 km (0.086 R)
• M12: 5,231,886 km (0.112 R)
• M13: 5,805,744 km (0.055 R)
• M14: 7,499,491 km (0.106 R)
• M15: 11,707,380 km (0.101 R)
• M16: 14,079,553 km (0.071 R)
• M17: 14,369,773 km (0.094 R)
• M18: 15,138,257 km (0.069 R)
• M19: 16,173,624 km (0.05 R)
• M20: 17,629,511 km (0.115 R)
• M21: 22,376,550 km (0.092 R)
• M22: 22,742,616 km (0.087 R)
• M23: 24,236,949 km (0.056 R)
• M24: 24,924,950 km (0.077 R)
• M25: 27,530,496 km (0.119 R)
• M26: 29,089,755 km (0.12 R)
• M27: 29,507,282 km (0.104 R)
• M28: 32,513,601 km (0.117 R)
• M29: 33,577,990 km (0.106 R)
• M30: 34,387,614 km (0.087 R)
• M31: 34,750,538 km (0.102 R)
• M32: 35,298,515 km (0.114 R)
• M33: 36,593,883 km (0.099 R)
• M34: 41,213,017 km (0.102 R)
• M35: 43,016,120 km (0.107 R)
• M36: 45,480,595 km (0.045 R)
• M37: 47,586,933 km (0.101 R)
• M38: 52,389,324 km (0.109 R)
• M39: 54,420,564 km (0.116 R)
• M40: 57,540,128 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.6

Radius: 7.1

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 15.76 AU - 20.18 AU

Year: 28698 Days

Day: 24.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,446,657 km

• M1: 119,678 km (0.028 R)
• M2: 780,602 km (0.104 R)
• M3: 3,778,094 km (0.082 R)
• M4: 4,126,059 km (0.08 R)
• M5: 4,907,708 km (0.115 R)
• M6: 7,570,101 km (0.111 R)
• M7: 8,882,074 km (0.084 R)
• M8: 20,071,696 km (0.117 R)
• M9: 24,661,508 km (0.076 R)
• M10: 27,088,135 km (0.057 R)
• M11: 28,674,621 km (0.111 R)
• M12: 29,149,893 km (0.058 R)
• M13: 33,092,844 km (0.076 R)
• M14: 38,264,742 km (0.056 R)
• M15: 41,502,937 km (0.116 R)
• M16: 44,400,199 km (0.071 R)
• M17: 46,788,679 km (0.097 R)
• M18: 50,112,295 km (0.084 R)
• M19: 61,321,962 km (0.111 R)
• M20: 64,407,718 km (0.085 R)
• M21: 76,113,601 km (0.09 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 18,740 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit