🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.8

Radius: 9.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.4 AU - 0.64 AU

Year: 259 Days

Day: 11.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,557,262 km

• M1: 120,576 km (0.069 R)
• M2: 479,461 km (0.074 R)
• M3: 806,333 km (0.038 R)
• M4: 1,120,638 km (0.091 R)
• M5: 1,708,557 km (0.037 R)
• M6: 2,226,764 km (0.114 R)
• M7: 2,715,949 km (0.067 R)
• M8: 3,140,658 km (0.105 R)
• M9: 3,526,471 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.8

Radius: 14.6

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.8 AU - 1.08 AU

Year: 629 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,557,262 km

• M1: 181,612 km (0.051 R)
• M2: 704,157 km (0.078 R)
• M3: 1,626,428 km (0.084 R)
• M4: 2,133,415 km (0.062 R)
• M5: 2,686,329 km (0.09 R)
• M6: 3,311,798 km (0.101 R)
• M7: 4,033,458 km (0.113 R)
• M8: 4,590,859 km (0.093 R)
• M9: 5,590,622 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.7

Radius: 10.1

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.39 AU - 1.45 AU

Year: 1168 Days

Day: 7.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,557,262 km

• M1: 126,111 km (0.082 R)
• M2: 532,718 km (0.097 R)
• M3: 935,735 km (0.086 R)
• M4: 1,294,620 km (0.059 R)
• M5: 2,544,809 km (0.086 R)
• M6: 3,027,263 km (0.104 R)
• M7: 3,475,308 km (0.077 R)
• M8: 4,053,504 km (0.109 R)
• M9: 5,317,905 km (0.105 R)
• M10: 6,390,671 km (0.1 R)
• M11: 7,259,685 km (0.062 R)
• M12: 7,655,372 km (0.111 R)
• M13: 8,548,022 km (0.119 R)
• M14: 9,854,909 km (0.099 R)
• M15: 11,186,031 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.4

Radius: 9.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.35 AU - 2.95 AU

Year: 2978 Days

Day: 8.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,557,262 km

• M1: 119,977 km (0.092 R)
• M2: 474,824 km (0.1 R)
• M3: 777,909 km (0.106 R)
• M4: 1,123,031 km (0.106 R)
• M5: 2,075,970 km (0.098 R)
• M6: 2,439,343 km (0.06 R)
• M7: 2,995,099 km (0.113 R)
• M8: 4,479,259 km (0.08 R)
• M9: 5,520,461 km (0.031 R)
• M10: 5,828,483 km (0.09 R)
• M11: 7,094,529 km (0.101 R)
• M12: 8,883,570 km (0.116 R)
• M13: 10,734,545 km (0.03 R)
• M14: 11,140,853 km (0.109 R)
• M15: 11,828,105 km (0.117 R)
• M16: 14,103,788 km (0.079 R)
• M17: 14,907,877 km (0.119 R)
• M18: 15,695,210 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.9

Radius: 10.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.26 AU - 3.58 AU

Year: 3444 Days

Day: 8.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,557,262 km

• M1: 128,056 km (0.053 R)
• M2: 464,501 km (0.094 R)
• M3: 1,054,366 km (0.105 R)
• M4: 5,664,523 km (0.034 R)
• M5: 6,585,448 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.3

Radius: 5.7

Gravity: 28.48 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.53 AU - 9.97 AU

Year: 16357 Days

Day: 21.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,557,262 km

• M1: 71,059 km (0.07 R)
• M2: 268,229 km (0.118 R)
• M3: 907,909 km (0.033 R)
• M4: 1,485,357 km (0.073 R)
• M5: 2,281,368 km (0.093 R)
• M6: 3,194,663 km (0.099 R)
• M7: 3,733,215 km (0.081 R)
• M8: 4,430,042 km (0.112 R)
• M9: 5,913,604 km (0.119 R)
• M10: 6,416,552 km (0.054 R)
• M11: 7,084,656 km (0.032 R)
• M12: 9,037,955 km (0.112 R)
• M13: 9,367,370 km (0.076 R)
• M14: 10,643,889 km (0.069 R)
• M15: 11,450,520 km (0.11 R)
• M16: 22,271,981 km (0.086 R)
• M17: 24,634,132 km (0.074 R)
• M18: 24,953,972 km (0.086 R)
• M19: 27,613,972 km (0.115 R)
• M20: 28,541,030 km (0.1 R)
• M21: 29,130,894 km (0.097 R)
• M22: 30,702,420 km (0.103 R)
• M23: 35,891,372 km (0.109 R)
• M24: 38,980,119 km (0.103 R)
• M25: 40,145,785 km (0.05 R)
• M26: 41,786,425 km (0.078 R)
• M27: 42,699,870 km (0.099 R)
• M28: 47,963,022 km (0.104 R)
• M29: 49,979,302 km (0.088 R)
• M30: 52,051,382 km (0.097 R)
• M31: 54,000,343 km (0.071 R)
• M32: 55,997,625 km (0.06 R)
• M33: 61,107,439 km (0.117 R)
• M34: 64,884,037 km (0.109 R)
• M35: 69,235,690 km (0.037 R)
• M36: 73,337,065 km (0.085 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 12,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit