🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.61 AU - 0.75 AU

Year: 212 Days

Day: 41.5 Hours

Environment

Temp: 117 °C

Axial Tilt: 10.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.73 AU - 0.79 AU

Year: 251 Days

Day: 18.2 Hours

Environment

Temp: 124 °C

Axial Tilt: 17.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.95 AU - 1.23 AU

Year: 431 Days

Day: 38.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 34.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 37,061,005 km

• M1: 782,846 km (0.098 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.42 AU - 2.24 AU

Year: 938 Days

Day: 30.4 Hours

Environment

Temp: -69 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.97 AU - 2.05 AU

Year: 1079 Days

Day: 44 Hours

Environment

Temp: -70 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.15 AU - 2.15 AU

Year: 1194 Days

Day: 15.7 Hours

Environment

Temp: -95 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.6

Radius: 11.9

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.69 AU - 5.29 AU

Year: 3603 Days

Day: 9.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,061,005 km

• M1: 149,897 km (0.081 R)
• M2: 625,020 km (0.059 R)
• M3: 1,362,238 km (0.025 R)
• M4: 2,059,963 km (0.106 R)
• M5: 2,671,070 km (0.102 R)
• M6: 4,143,263 km (0.109 R)
• M7: 5,201,069 km (0.108 R)
• M8: 8,570,013 km (0.105 R)
• M9: 10,027,695 km (0.066 R)
• M10: 11,236,146 km (0.084 R)
• M11: 12,395,081 km (0.082 R)
• M12: 13,028,479 km (0.069 R)
• M13: 14,519,221 km (0.096 R)
• M14: 17,053,260 km (0.047 R)
• M15: 21,421,517 km (0.106 R)
• M16: 25,150,693 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 13.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.68 AU - 6.42 AU

Year: 4952 Days

Day: 10.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,061,005 km

• M1: 169,195 km (0.118 R)
• M2: 622,477 km (0.079 R)
• M3: 1,210,995 km (0.099 R)
• M4: 1,686,566 km (0.043 R)
• M5: 2,845,651 km (0.114 R)
• M6: 3,795,747 km (0.09 R)
• M7: 4,308,718 km (0.117 R)
• M8: 4,762,598 km (0.114 R)
• M9: 5,276,616 km (0.061 R)
• M10: 6,289,394 km (0.102 R)
• M11: 7,217,648 km (0.072 R)
• M12: 9,981,469 km (0.084 R)
• M13: 12,012,111 km (0.105 R)
• M14: 12,459,259 km (0.076 R)
• M15: 13,814,017 km (0.068 R)
• M16: 14,527,150 km (0.102 R)
• M17: 18,336,959 km (0.063 R)
• M18: 25,270,222 km (0.117 R)
• M19: 27,264,062 km (0.118 R)
• M20: 29,630,252 km (0.096 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.8

Radius: 9.3

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.64 AU - 8.52 AU

Year: 7904 Days

Day: 9.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 37,061,005 km

• M1: 117,734 km (0.051 R)
• M2: 525,388 km (0.101 R)
• M3: 961,914 km (0.059 R)
• M4: 1,292,526 km (0.12 R)
• M5: 1,606,532 km (0.077 R)
• M6: 2,551,840 km (0.073 R)
• M7: 3,053,143 km (0.118 R)
• M8: 3,572,846 km (0.055 R)
• M9: 4,050,213 km (0.12 R)
• M10: 4,488,834 km (0.102 R)
• M11: 5,074,360 km (0.093 R)
• M12: 5,492,336 km (0.09 R)
• M13: 7,361,562 km (0.089 R)
• M14: 7,976,708 km (0.089 R)
• M15: 8,460,358 km (0.079 R)
• M16: 10,402,886 km (0.093 R)
• M17: 13,171,943 km (0.114 R)
• M18: 13,620,138 km (0.082 R)
• M19: 13,963,016 km (0.115 R)
• M20: 14,965,771 km (0.052 R)
• M21: 15,515,693 km (0.079 R)
• M22: 16,916,826 km (0.05 R)
• M23: 18,262,010 km (0.059 R)
• M24: 19,749,911 km (0.111 R)
• M25: 21,164,209 km (0.064 R)
• M26: 21,935,237 km (0.117 R)
• M27: 22,724,665 km (0.119 R)
• M28: 24,444,292 km (0.069 R)
• M29: 25,985,749 km (0.06 R)
• M30: 33,315,895 km (0.097 R)
• M31: 36,400,004 km (0.084 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 12,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit