🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.86 AU - 1.1 AU

Year: 347 Days

Day: 29.4 Hours

Environment

Temp: 96 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 98,708,435 km

• M1: 106,514 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.97 AU - 1.41 AU

Year: 465 Days

Day: 15.1 Hours

Environment

Temp: 1 °C

Axial Tilt: 2.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.04 AU - 1.52 AU

Year: 519 Days

Day: 25.6 Hours

Environment

Temp: -9 °C

Axial Tilt: 15.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.03 AU - 4.47 AU

Year: 2601 Days

Day: 31.3 Hours

Environment

Temp: -112 °C

Axial Tilt: 44.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,708,435 km

• M1: 65,225 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.1

Radius: 10.9

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 9.04 AU - 14 AU

Year: 14004 Days

Day: 11.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 98,708,435 km

• M1: 135,536 km (0.058 R)
• M2: 795,711 km (0.089 R)
• M3: 1,191,846 km (0.088 R)
• M4: 1,834,967 km (0.059 R)
• M5: 2,763,222 km (0.095 R)
• M6: 3,922,905 km (0.087 R)
• M7: 4,394,437 km (0.084 R)
• M8: 4,837,995 km (0.095 R)
• M9: 5,241,909 km (0.107 R)
• M10: 5,927,367 km (0.076 R)
• M11: 7,003,424 km (0.117 R)
• M12: 7,926,742 km (0.087 R)
• M13: 8,879,830 km (0.118 R)
• M14: 9,695,887 km (0.057 R)
• M15: 11,359,864 km (0.08 R)
• M16: 13,271,426 km (0.114 R)
• M17: 14,066,089 km (0.117 R)
• M18: 14,752,145 km (0.113 R)
• M19: 15,317,027 km (0.075 R)
• M20: 16,043,175 km (0.118 R)
• M21: 16,414,926 km (0.112 R)
• M22: 23,647,983 km (0.103 R)
• M23: 28,330,994 km (0.087 R)
• M24: 29,204,048 km (0.118 R)
• M25: 32,876,675 km (0.081 R)
• M26: 33,598,036 km (0.115 R)
• M27: 40,025,210 km (0.063 R)
• M28: 44,542,317 km (0.102 R)
• M29: 44,982,434 km (0.108 R)
• M30: 46,470,634 km (0.068 R)
• M31: 47,379,142 km (0.037 R)
• M32: 48,764,119 km (0.068 R)
• M33: 53,741,090 km (0.107 R)
• M34: 54,406,950 km (0.06 R)
• M35: 58,694,126 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.7

Radius: 13

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 11.2 AU - 12.8 AU

Year: 14888 Days

Day: 13 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 98,708,435 km

• M1: 161,715 km (0.111 R)
• M2: 680,371 km (0.104 R)
• M3: 1,348,475 km (0.091 R)
• M4: 1,995,187 km (0.118 R)
• M5: 3,134,823 km (0.099 R)
• M6: 8,085,017 km (0.117 R)
• M7: 15,238,189 km (0.099 R)
• M8: 16,078,181 km (0.076 R)
• M9: 20,162,053 km (0.084 R)
• M10: 21,432,887 km (0.075 R)
• M11: 23,300,766 km (0.11 R)
• M12: 31,415,852 km (0.096 R)
• M13: 33,006,676 km (0.119 R)
• M14: 39,257,174 km (0.109 R)
• M15: 44,679,947 km (0.076 R)
• M16: 45,965,292 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.3

Radius: 3.9

Gravity: 52.75 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 14.74 AU - 21.22 AU

Year: 27306 Days

Day: 16.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 98.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 98,708,435 km

• M1: 48,470 km (0.096 R)
• M2: 499,806 km (0.106 R)
• M3: 693,685 km (0.089 R)
• M4: 1,233,285 km (0.048 R)
• M5: 2,214,348 km (0.058 R)
• M6: 3,757,599 km (0.095 R)
• M7: 6,457,990 km (0.057 R)
• M8: 7,049,201 km (0.099 R)
• M9: 7,892,634 km (0.107 R)
• M10: 9,777,418 km (0.06 R)
• M11: 10,032,332 km (0.073 R)
• M12: 10,291,735 km (0.108 R)
• M13: 11,304,064 km (0.086 R)
• M14: 12,830,261 km (0.119 R)
• M15: 14,903,538 km (0.058 R)
• M16: 15,757,144 km (0.117 R)
• M17: 21,252,622 km (0.048 R)
• M18: 21,788,032 km (0.098 R)
• M19: 22,442,373 km (0.12 R)
• M20: 25,072,154 km (0.072 R)
• M21: 27,772,994 km (0.101 R)
• M22: 29,589,112 km (0.116 R)
• M23: 30,122,130 km (0.118 R)
• M24: 34,325,830 km (0.093 R)
• M25: 37,180,905 km (0.082 R)
• M26: 37,490,274 km (0.047 R)
• M27: 37,801,437 km (0.087 R)
• M28: 41,008,217 km (0.105 R)
• M29: 43,357,801 km (0.119 R)
• M30: 43,529,091 km (0.12 R)
• M31: 46,329,563 km (0.039 R)
• M32: 46,867,816 km (0.111 R)
• M33: 49,434,317 km (0.118 R)
• M34: 50,373,193 km (0.057 R)
• M35: 51,707,457 km (0.116 R)
• M36: 64,124,379 km (0.096 R)
• M37: 67,512,023 km (0.115 R)
• M38: 68,435,042 km (0.094 R)
• M39: 71,493,122 km (0.091 R)
• M40: 79,662,512 km (0.077 R)
• M41: 84,904,421 km (0.117 R)
• M42: 94,048,142 km (0.083 R)
• M43: 95,778,092 km (0.101 R)
• M44: 98,708,415 km (0.1 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 15,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit