🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.65 AU - 0.87 AU

Year: 252 Days

Day: 39.7 Hours

Environment

Temp: 98 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,381,542 km

• M1: 75,996 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.68 AU - 1.04 AU

Year: 304 Days

Day: 26.8 Hours

Environment

Temp: 41 °C

Axial Tilt: 25.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.86 AU - 1.08 AU

Year: 364 Days

Day: 21.6 Hours

Environment

Temp: 23 °C

Axial Tilt: 10.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 74,381,542 km

• M1: 117,135 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.6 AU - 2.48 AU

Year: 1110 Days

Day: 39.3 Hours

Environment

Temp: -79 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.13 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124

Radius: 9.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.83 AU - 4.59 AU

Year: 3289 Days

Day: 11 Hours

Environment

Temp: -130 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,381,542 km

• M1: 145,110 km (0.088 R)
• M2: 525,687 km (0.111 R)
• M3: 1,083,687 km (0.086 R)
• M4: 1,510,938 km (0.096 R)
• M5: 4,058,141 km (0.062 R)
• M6: 4,606,717 km (0.043 R)
• M7: 5,350,517 km (0.06 R)
• M8: 7,926,742 km (0.107 R)
• M9: 9,991,043 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.8

Radius: 12.5

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.44 AU - 9.56 AU

Year: 8617 Days

Day: 9.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,381,542 km

• M1: 158,125 km (0.097 R)
• M2: 642,373 km (0.083 R)
• M3: 2,895,168 km (0.1 R)
• M4: 3,333,340 km (0.087 R)
• M5: 5,885,031 km (0.091 R)
• M6: 7,286,613 km (0.107 R)
• M7: 9,148,807 km (0.106 R)
• M8: 9,834,714 km (0.058 R)
• M9: 12,201,651 km (0.113 R)
• M10: 15,042,664 km (0.098 R)
• M11: 15,756,246 km (0.097 R)
• M12: 18,906,328 km (0.093 R)
• M13: 28,709,327 km (0.084 R)
• M14: 33,469,831 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.8

Radius: 12.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.06 AU - 10.14 AU

Year: 9604 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,381,542 km

• M1: 153,039 km (0.054 R)
• M2: 590,612 km (0.082 R)
• M3: 1,282,054 km (0.087 R)
• M4: 2,697,399 km (0.109 R)
• M5: 3,085,606 km (0.08 R)
• M6: 5,153,048 km (0.073 R)
• M7: 6,024,007 km (0.076 R)
• M8: 7,374,128 km (0.102 R)
• M9: 7,934,521 km (0.075 R)
• M10: 8,609,507 km (0.068 R)
• M11: 10,171,458 km (0.083 R)
• M12: 10,815,926 km (0.062 R)
• M13: 13,611,312 km (0.093 R)
• M14: 14,641,443 km (0.091 R)
• M15: 15,271,250 km (0.095 R)
• M16: 16,249,770 km (0.06 R)
• M17: 20,198,256 km (0.049 R)
• M18: 21,058,294 km (0.111 R)
• M19: 23,357,763 km (0.105 R)
• M20: 25,188,990 km (0.08 R)
• M21: 26,461,769 km (0.044 R)
• M22: 31,255,184 km (0.077 R)
• M23: 32,089,042 km (0.114 R)
• M24: 33,475,964 km (0.116 R)
• M25: 35,686,871 km (0.098 R)
• M26: 37,291,458 km (0.119 R)
• M27: 38,348,068 km (0.049 R)
• M28: 39,424,424 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.8

Radius: 4

Gravity: 27.55 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 11.96 AU - 19.8 AU

Year: 24098 Days

Day: 22.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,381,542 km

• M1: 50,714 km (0.115 R)
• M2: 220,657 km (0.045 R)
• M3: 421,417 km (0.098 R)
• M4: 644,468 km (0.099 R)
• M5: 1,090,269 km (0.082 R)
• M6: 1,448,706 km (0.071 R)
• M7: 1,595,611 km (0.053 R)
• M8: 3,023,074 km (0.091 R)
• M9: 3,182,396 km (0.066 R)
• M10: 4,630,802 km (0.115 R)
• M11: 6,511,995 km (0.045 R)
• M12: 10,381,195 km (0.052 R)
• M13: 11,689,428 km (0.114 R)
• M14: 13,243,899 km (0.087 R)
• M15: 16,591,900 km (0.107 R)
• M16: 22,808,739 km (0.107 R)
• M17: 23,319,017 km (0.046 R)
• M18: 26,095,853 km (0.116 R)
• M19: 32,039,825 km (0.1 R)
• M20: 41,033,948 km (0.092 R)
• M21: 51,398,687 km (0.09 R)
• M22: 52,805,356 km (0.113 R)
• M23: 56,248,949 km (0.093 R)
• M24: 62,381,564 km (0.03 R)
• M25: 63,780,005 km (0.097 R)
• M26: 72,831,424 km (0.099 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 15,577 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit