🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.96 AU - 1.24 AU

Year: 419 Days

Day: 19.7 Hours

Environment

Temp: 10 °C

Axial Tilt: 133.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.04 AU - 1.36 AU

Year: 478 Days

Day: 31.3 Hours

Environment

Temp: 3 °C

Axial Tilt: 174.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.35 AU - 1.49 AU

Year: 615 Days

Day: 21.8 Hours

Environment

Temp: -24 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,566,757 km

• M1: 340,485 km (0.052 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.86 AU - 3.08 AU

Year: 1860 Days

Day: 30.4 Hours

Environment

Temp: -93 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3 AU - 4.18 AU

Year: 2472 Days

Day: 23.5 Hours

Environment

Temp: -113 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.25 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.4

Radius: 11

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.58 AU - 5.22 AU

Year: 3942 Days

Day: 7.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,566,757 km

• M1: 136,882 km (0.12 R)
• M2: 568,921 km (0.092 R)
• M3: 957,875 km (0.11 R)
• M4: 1,435,541 km (0.106 R)
• M5: 1,779,018 km (0.117 R)
• M6: 2,782,820 km (0.116 R)
• M7: 3,233,408 km (0.091 R)
• M8: 3,938,164 km (0.028 R)
• M9: 4,282,837 km (0.091 R)
• M10: 4,766,039 km (0.108 R)
• M11: 5,311,173 km (0.11 R)
• M12: 6,735,644 km (0.091 R)
• M13: 7,423,196 km (0.046 R)
• M14: 8,435,375 km (0.077 R)
• M15: 9,729,846 km (0.102 R)
• M16: 11,067,550 km (0.118 R)
• M17: 13,515,270 km (0.076 R)
• M18: 14,254,732 km (0.099 R)
• M19: 17,255,516 km (0.104 R)
• M20: 18,541,758 km (0.116 R)
• M21: 22,578,358 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.2

Radius: 9.9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.97 AU - 5.75 AU

Year: 4510 Days

Day: 9.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,566,757 km

• M1: 124,615 km (0.073 R)
• M2: 1,229,694 km (0.061 R)
• M3: 1,620,444 km (0.102 R)
• M4: 2,470,160 km (0.107 R)
• M5: 3,249,864 km (0.072 R)
• M6: 4,335,047 km (0.08 R)
• M7: 7,062,665 km (0.11 R)
• M8: 9,597,451 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.5

Radius: 4.8

Gravity: 29.06 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 11.4 AU - 15.08 AU

Year: 17509 Days

Day: 17.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,566,757 km

• M1: 60,737 km (0.106 R)
• M2: 214,972 km (0.063 R)
• M3: 540,796 km (0.065 R)
• M4: 726,896 km (0.118 R)
• M5: 955,781 km (0.111 R)
• M6: 1,850,226 km (0.062 R)
• M7: 2,586,248 km (0.113 R)
• M8: 4,092,549 km (0.113 R)
• M9: 5,248,342 km (0.061 R)
• M10: 6,351,178 km (0.07 R)
• M11: 6,956,899 km (0.059 R)
• M12: 7,553,047 km (0.086 R)
• M13: 8,586,918 km (0.12 R)
• M14: 8,741,901 km (0.086 R)
• M15: 10,871,128 km (0.079 R)
• M16: 11,862,812 km (0.076 R)
• M17: 13,391,852 km (0.104 R)
• M18: 16,435,121 km (0.095 R)
• M19: 18,158,938 km (0.094 R)
• M20: 20,918,420 km (0.105 R)
• M21: 21,483,002 km (0.101 R)
• M22: 23,843,058 km (0.072 R)
• M23: 28,265,022 km (0.094 R)
• M24: 29,773,567 km (0.114 R)
• M25: 32,322,714 km (0.032 R)
• M26: 36,345,700 km (0.102 R)
• M27: 38,127,710 km (0.116 R)
• M28: 41,716,862 km (0.119 R)
• M29: 43,062,046 km (0.115 R)
• M30: 45,838,882 km (0.11 R)
• M31: 57,405,640 km (0.082 R)
• M32: 60,194,892 km (0.07 R)
• M33: 65,440,990 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.5

Radius: 5.2

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 16.4 AU - 21.92 AU

Year: 30481 Days

Day: 21.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,566,757 km

• M1: 71,657 km (0.099 R)
• M2: 336,894 km (0.069 R)
• M3: 2,341,955 km (0.109 R)
• M4: 7,369,341 km (0.027 R)
• M5: 12,347,359 km (0.099 R)
• M6: 26,703,519 km (0.076 R)
• M7: 31,220,328 km (0.101 R)
• M8: 38,176,030 km (0.097 R)
• M9: 38,977,426 km (0.119 R)
• M10: 47,617,451 km (0.075 R)
• M11: 48,545,855 km (0.096 R)
• M12: 53,369,040 km (0.119 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 14,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit