🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.1

Radius: 11.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.42 AU - 0.68 AU

Year: 277 Days

Day: 11.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,431,175 km

• M1: 147,952 km (0.089 R)
• M2: 631,453 km (0.108 R)
• M3: 1,153,100 km (0.058 R)
• M4: 1,578,856 km (0.076 R)
• M5: 2,018,674 km (0.111 R)
• M6: 2,443,532 km (0.075 R)
• M7: 2,892,026 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.2

Radius: 8.8

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.53 AU - 0.63 AU

Year: 300 Days

Day: 11 Hours

Environment

Temp: -157 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,431,175 km

• M1: 110,852 km (0.094 R)
• M2: 386,860 km (0.119 R)
• M3: 803,490 km (0.082 R)
• M4: 1,673,701 km (0.109 R)
• M5: 1,993,840 km (0.046 R)
• M6: 2,416,454 km (0.109 R)
• M7: 3,442,097 km (0.086 R)
• M8: 4,116,335 km (0.078 R)
• M9: 4,404,311 km (0.053 R)
• M10: 4,890,354 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.9

Radius: 11.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.62 AU - 0.62 AU

Year: 331 Days

Day: 7.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 18,431,175 km

• M1: 146,756 km (0.119 R)
• M2: 521,648 km (0.106 R)
• M3: 954,734 km (0.051 R)
• M4: 1,393,055 km (0.105 R)
• M5: 2,269,101 km (0.089 R)
• M6: 2,686,179 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.6

Radius: 12.6

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.58 AU - 0.7 AU

Year: 347 Days

Day: 7.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,431,175 km

• M1: 157,676 km (0.113 R)
• M2: 643,420 km (0.109 R)
• M3: 1,052,870 km (0.1 R)
• M4: 1,468,303 km (0.089 R)
• M5: 1,995,785 km (0.113 R)
• M6: 2,389,228 km (0.105 R)
• M7: 2,885,743 km (0.069 R)
• M8: 3,462,592 km (0.083 R)
• M9: 4,076,392 km (0.09 R)
• M10: 4,633,046 km (0.11 R)
• M11: 5,041,897 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.2

Radius: 9.8

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.86 AU - 1.32 AU

Year: 772 Days

Day: 14 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,431,175 km

• M1: 122,072 km (0.112 R)
• M2: 472,430 km (0.111 R)
• M3: 804,089 km (0.06 R)
• M4: 1,210,696 km (0.095 R)
• M5: 1,986,361 km (0.053 R)
• M6: 3,140,359 km (0.1 R)
• M7: 3,687,139 km (0.107 R)
• M8: 3,998,901 km (0.089 R)
• M9: 4,376,935 km (0.1 R)
• M10: 4,900,527 km (0.081 R)
• M11: 8,419,817 km (0.067 R)
• M12: 8,779,749 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 14.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.58 AU - 2.16 AU

Year: 1734 Days

Day: 12.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,431,175 km

• M1: 182,958 km (0.092 R)
• M2: 806,033 km (0.053 R)
• M3: 1,288,038 km (0.09 R)
• M4: 2,086,142 km (0.116 R)
• M5: 3,271,556 km (0.108 R)
• M6: 3,804,573 km (0.118 R)
• M7: 4,580,687 km (0.081 R)
• M8: 7,347,200 km (0.118 R)
• M9: 11,430,175 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.4

Radius: 11.1

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.03 AU - 2.43 AU

Year: 2259 Days

Day: 14.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,431,175 km

• M1: 138,079 km (0.106 R)
• M2: 584,180 km (0.089 R)
• M3: 1,013,077 km (0.117 R)
• M4: 1,464,563 km (0.038 R)
• M5: 1,838,558 km (0.115 R)
• M6: 3,148,437 km (0.118 R)
• M7: 3,615,781 km (0.035 R)
• M8: 4,372,447 km (0.111 R)
• M9: 5,278,561 km (0.103 R)
• M10: 6,768,705 km (0.104 R)
• M11: 9,329,671 km (0.063 R)
• M12: 10,224,266 km (0.092 R)
• M13: 10,635,661 km (0.097 R)
• M14: 12,184,148 km (0.088 R)
• M15: 13,473,682 km (0.09 R)
• M16: 15,331,987 km (0.065 R)
• M17: 17,514,021 km (0.084 R)
• M18: 18,267,097 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 14,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit