🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.68 AU - 0.88 AU

Year: 262 Days

Day: 32.1 Hours

Environment

Temp: 121 °C

Axial Tilt: 22.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.9

Radius: 10.6

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.24 AU - 6.62 AU

Year: 6209 Days

Day: 9.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 89,481,755 km

• M1: 132,095 km (0.083 R)
• M2: 556,354 km (0.06 R)
• M3: 1,151,904 km (0.117 R)
• M4: 1,610,571 km (0.081 R)
• M5: 2,076,269 km (0.094 R)
• M6: 2,943,189 km (0.091 R)
• M7: 3,369,692 km (0.076 R)
• M8: 3,886,104 km (0.059 R)
• M9: 4,427,798 km (0.043 R)
• M10: 5,473,487 km (0.087 R)
• M11: 6,325,746 km (0.049 R)
• M12: 6,783,964 km (0.106 R)
• M13: 7,113,977 km (0.11 R)
• M14: 8,210,380 km (0.112 R)
• M15: 8,799,347 km (0.085 R)
• M16: 9,643,228 km (0.118 R)
• M17: 10,637,905 km (0.116 R)
• M18: 14,329,681 km (0.032 R)
• M19: 16,859,530 km (0.091 R)
• M20: 17,330,913 km (0.068 R)
• M21: 20,271,409 km (0.117 R)
• M22: 23,114,517 km (0.091 R)
• M23: 24,545,271 km (0.098 R)
• M24: 26,573,818 km (0.078 R)
• M25: 29,094,841 km (0.116 R)
• M26: 36,143,145 km (0.083 R)
• M27: 38,996,874 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.6

Radius: 8.2

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.73 AU - 9.15 AU

Year: 7728 Days

Day: 10.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,481,755 km

• M1: 102,026 km (0.101 R)
• M2: 386,860 km (0.087 R)
• M3: 2,761,876 km (0.1 R)
• M4: 3,713,318 km (0.109 R)
• M5: 4,058,889 km (0.057 R)
• M6: 5,254,625 km (0.103 R)
• M7: 5,513,579 km (0.08 R)
• M8: 6,537,577 km (0.097 R)
• M9: 8,207,388 km (0.065 R)
• M10: 10,276,775 km (0.092 R)
• M11: 11,194,259 km (0.073 R)
• M12: 12,671,388 km (0.117 R)
• M13: 17,428,601 km (0.102 R)
• M14: 19,201,485 km (0.105 R)
• M15: 21,969,943 km (0.081 R)
• M16: 24,193,566 km (0.062 R)
• M17: 29,714,027 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.6

Radius: 7.8

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 15.88 AU - 20.22 AU

Year: 29202 Days

Day: 22.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,481,755 km

• M1: 97,388 km (0.051 R)
• M2: 404,812 km (0.118 R)
• M3: 1,476,980 km (0.074 R)
• M4: 2,017,477 km (0.063 R)
• M5: 2,277,029 km (0.092 R)
• M6: 2,559,021 km (0.102 R)
• M7: 3,137,217 km (0.086 R)
• M8: 5,158,284 km (0.092 R)
• M9: 5,817,562 km (0.081 R)
• M10: 6,078,909 km (0.09 R)
• M11: 6,531,892 km (0.087 R)
• M12: 7,973,716 km (0.055 R)
• M13: 8,461,256 km (0.091 R)
• M14: 12,737,810 km (0.04 R)
• M15: 23,970,815 km (0.091 R)
• M16: 29,716,719 km (0.074 R)
• M17: 30,493,880 km (0.086 R)
• M18: 33,459,658 km (0.052 R)
• M19: 34,159,627 km (0.112 R)
• M20: 51,391,057 km (0.106 R)
• M21: 55,378,738 km (0.106 R)
• M22: 56,555,026 km (0.063 R)
• M23: 59,568,077 km (0.074 R)
• M24: 79,922,662 km (0.105 R)
• M25: 81,928,620 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 10,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit