🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.08 AU - 1.18 AU

Year: 430 Days

Day: 17.2 Hours

Environment

Temp: 28 °C

Axial Tilt: 136.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 41,382,338 km

• M1: 52,509 km (0.075 R)
• M2: 152,739 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.7 AU - 2.5 AU

Year: 1090 Days

Day: 19 Hours

Environment

Temp: -74 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301

Radius: 12

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.19 AU - 6.51 AU

Year: 4432 Days

Day: 14.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,382,338 km

• M1: 149,448 km (0.12 R)
• M2: 825,631 km (0.101 R)
• M3: 1,276,369 km (0.089 R)
• M4: 1,652,608 km (0.046 R)
• M5: 2,078,812 km (0.107 R)
• M6: 2,922,993 km (0.093 R)
• M7: 4,274,460 km (0.08 R)
• M8: 5,041,897 km (0.098 R)
• M9: 5,509,540 km (0.089 R)
• M10: 8,264,834 km (0.12 R)
• M11: 8,776,907 km (0.031 R)
• M12: 11,662,201 km (0.049 R)
• M13: 12,219,752 km (0.096 R)
• M14: 16,368,550 km (0.057 R)
• M15: 17,956,532 km (0.1 R)
• M16: 20,744,737 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.1

Radius: 13.2

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.84 AU - 10.52 AU

Year: 10787 Days

Day: 14.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,382,338 km

• M1: 176,525 km (0.109 R)
• M2: 690,245 km (0.078 R)
• M3: 1,144,125 km (0.116 R)
• M4: 1,648,419 km (0.106 R)
• M5: 2,115,015 km (0.088 R)
• M6: 3,436,712 km (0.118 R)
• M7: 5,345,132 km (0.106 R)
• M8: 7,357,971 km (0.056 R)
• M9: 8,909,750 km (0.111 R)
• M10: 10,369,825 km (0.086 R)
• M11: 12,595,243 km (0.107 R)
• M12: 16,984,893 km (0.105 R)
• M13: 18,260,066 km (0.062 R)
• M14: 24,267,318 km (0.071 R)
• M15: 25,975,576 km (0.103 R)
• M16: 30,441,222 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.1

Radius: 12.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 9 AU - 11.62 AU

Year: 11857 Days

Day: 6.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,382,338 km

• M1: 151,692 km (0.045 R)
• M2: 1,130,511 km (0.066 R)
• M3: 1,633,160 km (0.118 R)
• M4: 2,471,806 km (0.078 R)
• M5: 2,858,965 km (0.11 R)
• M6: 3,862,318 km (0.115 R)
• M7: 4,244,989 km (0.1 R)
• M8: 4,866,868 km (0.076 R)
• M9: 5,930,808 km (0.106 R)
• M10: 7,143,897 km (0.094 R)
• M11: 7,639,215 km (0.09 R)
• M12: 8,290,714 km (0.071 R)
• M13: 9,409,706 km (0.106 R)
• M14: 10,005,704 km (0.104 R)
• M15: 10,469,158 km (0.099 R)
• M16: 11,054,983 km (0.072 R)
• M17: 15,108,188 km (0.094 R)
• M18: 16,630,496 km (0.104 R)
• M19: 22,590,026 km (0.118 R)
• M20: 25,804,137 km (0.088 R)
• M21: 27,872,477 km (0.089 R)
• M22: 29,206,890 km (0.074 R)
• M23: 34,388,063 km (0.048 R)
• M24: 41,587,310 km (0.113 R)
• M25: 44,700,592 km (0.092 R)
• M26: 45,537,592 km (0.076 R)
• M27: 48,549,595 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.2

Radius: 9.4

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 11.89 AU - 12.03 AU

Year: 14814 Days

Day: 10.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 132.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,382,338 km

• M1: 118,033 km (0.059 R)
• M2: 475,123 km (0.03 R)
• M3: 826,379 km (0.101 R)
• M4: 2,194,152 km (0.119 R)
• M5: 2,511,599 km (0.061 R)
• M6: 3,213,961 km (0.088 R)
• M7: 10,074,070 km (0.047 R)
• M8: 13,293,716 km (0.08 R)
• M9: 15,022,917 km (0.047 R)
• M10: 18,834,671 km (0.084 R)
• M11: 25,423,261 km (0.088 R)
• M12: 27,732,453 km (0.057 R)
• M13: 29,112,942 km (0.108 R)
• M14: 30,902,432 km (0.073 R)
• M15: 34,830,723 km (0.066 R)
• M16: 35,761,670 km (0.109 R)
• M17: 40,960,047 km (0.047 R)
• M18: 41,997,059 km (0.098 R)
• M19: 48,590,286 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.6

Radius: 5.4

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 12.27 AU - 14.67 AU

Year: 17706 Days

Day: 19.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,382,338 km

• M1: 71,508 km (0.058 R)
• M2: 312,211 km (0.061 R)
• M3: 784,940 km (0.1 R)
• M4: 1,064,389 km (0.115 R)
• M5: 1,620,444 km (0.044 R)
• M6: 2,010,895 km (0.113 R)
• M7: 2,334,176 km (0.082 R)
• M8: 3,398,116 km (0.061 R)
• M9: 4,329,362 km (0.109 R)
• M10: 4,987,593 km (0.115 R)
• M11: 6,792,043 km (0.106 R)
• M12: 7,130,134 km (0.118 R)
• M13: 8,509,426 km (0.1 R)
• M14: 12,830,112 km (0.077 R)
• M15: 16,007,720 km (0.034 R)
• M16: 26,806,891 km (0.095 R)
• M17: 29,985,547 km (0.067 R)
• M18: 40,765,719 km (0.112 R)
• M19: 41,258,494 km (0.115 R)

Kuiper Belt

Range: 30.6 - 50.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 11,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit