🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375

Radius: 10.5

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.63 AU - 0.81 AU

Year: 407 Days

Day: 12.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,196,204 km

• M1: 130,599 km (0.068 R)
• M2: 608,115 km (0.092 R)
• M3: 1,095,505 km (0.114 R)
• M4: 1,445,564 km (0.114 R)
• M5: 1,786,797 km (0.105 R)
• M6: 2,432,162 km (0.085 R)
• M7: 2,901,600 km (0.106 R)
• M8: 3,419,807 km (0.084 R)
• M9: 3,806,967 km (0.104 R)
• M10: 4,135,035 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.2

Radius: 11.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.87 AU - 1.23 AU

Year: 717 Days

Day: 8.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,196,204 km

• M1: 148,102 km (0.119 R)
• M2: 525,089 km (0.115 R)
• M3: 1,048,980 km (0.05 R)
• M4: 1,515,426 km (0.04 R)
• M5: 2,319,365 km (0.119 R)
• M6: 2,813,038 km (0.056 R)
• M7: 3,275,445 km (0.108 R)
• M8: 3,678,911 km (0.076 R)
• M9: 4,086,415 km (0.092 R)
• M10: 4,555,554 km (0.032 R)
• M11: 5,530,633 km (0.071 R)
• M12: 6,660,097 km (0.117 R)
• M13: 7,355,727 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971

Radius: 9.9

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.29 AU - 1.73 AU

Year: 1237 Days

Day: 9.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 69.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,196,204 km

• M1: 123,269 km (0.119 R)
• M2: 541,095 km (0.119 R)
• M3: 964,607 km (0.097 R)
• M4: 1,404,126 km (0.11 R)
• M5: 2,163,036 km (0.05 R)
• M6: 2,970,266 km (0.105 R)
• M7: 3,310,900 km (0.103 R)
• M8: 3,727,680 km (0.115 R)
• M9: 4,362,424 km (0.061 R)
• M10: 5,234,280 km (0.086 R)
• M11: 6,555,827 km (0.089 R)
• M12: 7,918,814 km (0.104 R)
• M13: 8,578,540 km (0.073 R)
• M14: 10,072,873 km (0.108 R)
• M15: 10,539,768 km (0.084 R)
• M16: 11,697,506 km (0.052 R)
• M17: 13,370,310 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.7

Radius: 6.8

Gravity: 21.27 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.91 AU - 11.05 AU

Year: 19464 Days

Day: 18.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,196,204 km

• M1: 85,121 km (0.089 R)
• M2: 301,141 km (0.07 R)
• M3: 513,121 km (0.112 R)
• M4: 799,601 km (0.114 R)
• M5: 1,082,789 km (0.096 R)
• M6: 1,634,207 km (0.028 R)
• M7: 2,404,337 km (0.116 R)
• M8: 3,002,429 km (0.039 R)
• M9: 4,350,605 km (0.119 R)
• M10: 5,515,225 km (0.051 R)
• M11: 5,762,660 km (0.103 R)
• M12: 6,458,888 km (0.11 R)
• M13: 7,064,909 km (0.046 R)
• M14: 8,940,717 km (0.113 R)
• M15: 9,398,636 km (0.038 R)
• M16: 9,692,745 km (0.113 R)
• M17: 10,423,680 km (0.036 R)
• M18: 10,675,454 km (0.097 R)
• M19: 18,642,438 km (0.112 R)
• M20: 23,427,775 km (0.074 R)
• M21: 24,407,790 km (0.119 R)
• M22: 25,414,883 km (0.095 R)
• M23: 26,449,502 km (0.09 R)
• M24: 28,602,215 km (0.11 R)
• M25: 35,757,332 km (0.119 R)
• M26: 40,205,325 km (0.093 R)
• M27: 48,414,808 km (0.094 R)
• M28: 49,646,597 km (0.12 R)
• M29: 51,806,341 km (0.082 R)
• M30: 61,072,732 km (0.037 R)
• M31: 63,759,959 km (0.068 R)
• M32: 65,452,210 km (0.095 R)
• M33: 67,391,597 km (0.114 R)
• M34: 74,597,277 km (0.068 R)
• M35: 79,594,893 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.7

Radius: 6.2

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 8.8 AU - 12.72 AU

Year: 23537 Days

Day: 18.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,196,204 km

• M1: 114,592 km (0.116 R)
• M2: 478,115 km (0.089 R)
• M3: 1,077,703 km (0.06 R)
• M4: 1,509,742 km (0.068 R)
• M5: 2,501,875 km (0.098 R)
• M6: 3,175,664 km (0.051 R)
• M7: 3,870,546 km (0.029 R)
• M8: 4,221,054 km (0.114 R)
• M9: 6,386,034 km (0.063 R)
• M10: 6,875,668 km (0.065 R)
• M11: 7,829,653 km (0.118 R)
• M12: 11,538,334 km (0.115 R)
• M13: 11,798,784 km (0.116 R)
• M14: 15,005,863 km (0.08 R)
• M15: 17,439,821 km (0.03 R)
• M16: 18,394,554 km (0.065 R)
• M17: 23,176,600 km (0.092 R)
• M18: 24,011,356 km (0.116 R)
• M19: 28,964,541 km (0.077 R)
• M20: 31,678,845 km (0.056 R)
• M21: 39,933,506 km (0.117 R)
• M22: 45,354,484 km (0.038 R)
• M23: 71,500,751 km (0.094 R)
• M24: 71,719,762 km (0.092 R)
• M25: 72,600,595 km (0.061 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 10,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit