🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.54 AU - 0.74 AU

Year: 331 Days

Day: 27.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.6

Radius: 12.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.76 AU - 1.04 AU

Year: 551 Days

Day: 10.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,322,760 km

• M1: 160,519 km (0.102 R)
• M2: 675,584 km (0.12 R)
• M3: 1,132,157 km (0.031 R)
• M4: 1,739,524 km (0.104 R)
• M5: 2,499,481 km (0.108 R)
• M6: 2,946,031 km (0.097 R)
• M7: 3,470,671 km (0.115 R)
• M8: 3,908,095 km (0.092 R)
• M9: 4,863,876 km (0.08 R)
• M10: 5,297,560 km (0.119 R)
• M11: 5,969,703 km (0.113 R)
• M12: 6,468,014 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.2

Radius: 10.1

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.96 AU - 2.04 AU

Year: 1826 Days

Day: 14.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 166 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,322,760 km

• M1: 125,961 km (0.065 R)
• M2: 528,230 km (0.097 R)
• M3: 1,246,749 km (0.109 R)
• M4: 1,680,582 km (0.092 R)
• M5: 4,059,787 km (0.073 R)
• M6: 4,980,113 km (0.072 R)
• M7: 5,338,998 km (0.072 R)
• M8: 5,860,796 km (0.047 R)
• M9: 6,364,342 km (0.079 R)
• M10: 7,258,189 km (0.108 R)
• M11: 9,632,756 km (0.083 R)
• M12: 11,146,388 km (0.106 R)
• M13: 16,142,807 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.3

Radius: 9.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.92 AU - 2.88 AU

Year: 2401 Days

Day: 7.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,322,760 km

• M1: 123,119 km (0.076 R)
• M2: 470,485 km (0.116 R)
• M3: 952,938 km (0.108 R)
• M4: 1,370,167 km (0.086 R)
• M5: 1,681,480 km (0.064 R)
• M6: 2,489,907 km (0.108 R)
• M7: 2,844,454 km (0.092 R)
• M8: 3,391,234 km (0.113 R)
• M9: 4,496,463 km (0.097 R)
• M10: 5,687,262 km (0.119 R)
• M11: 7,680,205 km (0.084 R)
• M12: 8,741,452 km (0.089 R)
• M13: 9,307,381 km (0.099 R)
• M14: 10,652,715 km (0.11 R)
• M15: 11,372,131 km (0.095 R)
• M16: 12,394,034 km (0.077 R)
• M17: 12,747,983 km (0.117 R)
• M18: 13,600,242 km (0.105 R)
• M19: 14,061,601 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.1

Radius: 12.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.22 AU - 4.12 AU

Year: 4540 Days

Day: 11.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,322,760 km

• M1: 154,235 km (0.065 R)
• M2: 659,427 km (0.109 R)
• M3: 2,388,928 km (0.097 R)
• M4: 2,960,691 km (0.103 R)
• M5: 4,232,273 km (0.055 R)
• M6: 5,095,154 km (0.085 R)
• M7: 7,600,021 km (0.115 R)
• M8: 10,523,013 km (0.095 R)
• M9: 11,115,720 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.9

Radius: 6.5

Gravity: 18.7 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.93 AU - 9.95 AU

Year: 17259 Days

Day: 15.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,322,760 km

• M1: 80,783 km (0.114 R)
• M2: 344,673 km (0.079 R)
• M3: 778,956 km (0.045 R)
• M4: 1,196,185 km (0.081 R)
• M5: 2,492,749 km (0.089 R)
• M6: 3,285,618 km (0.029 R)
• M7: 4,268,027 km (0.091 R)
• M8: 5,206,903 km (0.108 R)
• M9: 5,744,857 km (0.101 R)
• M10: 7,066,854 km (0.114 R)
• M11: 9,329,522 km (0.106 R)
• M12: 9,607,474 km (0.119 R)
• M13: 9,891,112 km (0.092 R)
• M14: 12,564,875 km (0.103 R)
• M15: 14,469,704 km (0.076 R)
• M16: 14,917,750 km (0.113 R)
• M17: 16,478,355 km (0.11 R)
• M18: 21,421,667 km (0.105 R)
• M19: 23,402,642 km (0.114 R)
• M20: 23,812,989 km (0.063 R)
• M21: 28,299,878 km (0.088 R)
• M22: 30,557,908 km (0.114 R)
• M23: 39,622,043 km (0.103 R)
• M24: 40,941,496 km (0.086 R)
• M25: 42,138,878 km (0.094 R)
• M26: 43,513,533 km (0.117 R)
• M27: 44,603,204 km (0.083 R)
• M28: 45,710,976 km (0.092 R)
• M29: 52,046,146 km (0.086 R)
• M30: 59,321,091 km (0.085 R)
• M31: 60,275,525 km (0.047 R)
• M32: 63,796,311 km (0.071 R)
• M33: 68,282,751 km (0.119 R)
• M34: 69,964,830 km (0.113 R)
• M35: 70,389,688 km (0.087 R)
• M36: 70,816,341 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 13,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit