🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.77 AU - 0.83 AU

Year: 275 Days

Day: 32 Hours

Environment

Temp: 26 °C

Axial Tilt: 13.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 90,864,748 km

• M1: 63,280 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.64 AU - 3.3 AU

Year: 1971 Days

Day: 37.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.7

Radius: 8.9

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.27 AU - 6.21 AU

Year: 5295 Days

Day: 6.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 90,864,748 km

• M1: 110,852 km (0.026 R)
• M2: 495,767 km (0.113 R)
• M3: 778,956 km (0.087 R)
• M4: 1,626,428 km (0.12 R)
• M5: 1,979,180 km (0.109 R)
• M6: 2,284,958 km (0.095 R)
• M7: 2,916,111 km (0.113 R)
• M8: 3,335,285 km (0.04 R)
• M9: 4,051,260 km (0.111 R)
• M10: 4,344,771 km (0.109 R)
• M11: 4,705,302 km (0.062 R)
• M12: 5,694,892 km (0.091 R)
• M13: 7,269,559 km (0.077 R)
• M14: 7,853,739 km (0.115 R)
• M15: 8,273,211 km (0.096 R)
• M16: 8,991,879 km (0.05 R)
• M17: 9,282,398 km (0.077 R)
• M18: 10,102,643 km (0.113 R)
• M19: 10,416,649 km (0.049 R)
• M20: 10,923,487 km (0.104 R)
• M21: 11,837,380 km (0.102 R)
• M22: 13,436,731 km (0.103 R)
• M23: 14,598,957 km (0.077 R)
• M24: 15,058,821 km (0.051 R)
• M25: 16,745,088 km (0.092 R)
• M26: 21,578,595 km (0.07 R)
• M27: 24,512,808 km (0.097 R)
• M28: 25,244,790 km (0.05 R)
• M29: 25,907,658 km (0.062 R)
• M30: 27,354,719 km (0.094 R)
• M31: 29,488,283 km (0.048 R)
• M32: 32,114,773 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.9

Radius: 6.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 12.62 AU - 16.52 AU

Year: 21412 Days

Day: 20.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,864,748 km

• M1: 81,531 km (0.097 R)
• M2: 573,558 km (0.078 R)
• M3: 884,273 km (0.057 R)
• M4: 1,447,359 km (0.103 R)
• M5: 1,691,204 km (0.071 R)
• M6: 2,135,210 km (0.086 R)
• M7: 2,653,866 km (0.074 R)
• M8: 3,159,208 km (0.108 R)
• M9: 3,966,139 km (0.092 R)
• M10: 4,388,454 km (0.079 R)
• M11: 6,124,088 km (0.034 R)
• M12: 8,635,088 km (0.075 R)
• M13: 9,247,243 km (0.114 R)
• M14: 10,663,486 km (0.1 R)
• M15: 13,666,962 km (0.118 R)
• M16: 14,046,193 km (0.049 R)
• M17: 15,226,071 km (0.082 R)
• M18: 15,771,056 km (0.096 R)
• M19: 16,048,411 km (0.095 R)
• M20: 17,706,853 km (0.099 R)
• M21: 23,904,693 km (0.081 R)
• M22: 24,270,759 km (0.101 R)
• M23: 32,289,952 km (0.045 R)
• M24: 35,154,303 km (0.077 R)
• M25: 36,225,573 km (0.078 R)
• M26: 36,466,575 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.8

Radius: 7.1

Gravity: 17.33 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 13.48 AU - 17.18 AU

Year: 23109 Days

Day: 21.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,864,748 km

• M1: 88,263 km (0.109 R)
• M2: 407,056 km (0.042 R)
• M3: 858,991 km (0.1 R)
• M4: 1,122,283 km (0.09 R)
• M5: 1,343,239 km (0.059 R)
• M6: 1,835,566 km (0.088 R)
• M7: 2,211,954 km (0.081 R)
• M8: 2,613,475 km (0.081 R)
• M9: 5,640,438 km (0.12 R)
• M10: 8,752,373 km (0.088 R)
• M11: 10,253,438 km (0.05 R)
• M12: 11,299,726 km (0.044 R)
• M13: 12,487,533 km (0.107 R)
• M14: 13,526,490 km (0.056 R)
• M15: 17,255,815 km (0.108 R)
• M16: 17,799,903 km (0.032 R)
• M17: 23,331,434 km (0.084 R)
• M18: 23,884,796 km (0.1 R)
• M19: 27,025,454 km (0.118 R)
• M20: 29,521,943 km (0.036 R)
• M21: 33,688,842 km (0.119 R)
• M22: 39,000,614 km (0.063 R)
• M23: 41,208,678 km (0.092 R)
• M24: 47,974,092 km (0.106 R)
• M25: 52,936,852 km (0.11 R)
• M26: 58,433,527 km (0.092 R)
• M27: 61,319,419 km (0.087 R)
• M28: 64,082,941 km (0.086 R)
• M29: 72,634,853 km (0.062 R)
• M30: 75,005,530 km (0.082 R)
• M31: 76,695,388 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 15,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit