🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622

Radius: 10.6

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.63 AU - 0.99 AU

Year: 471 Days

Day: 9.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,245,388 km

• M1: 131,796 km (0.051 R)
• M2: 510,578 km (0.099 R)
• M3: 849,716 km (0.097 R)
• M4: 1,251,237 km (0.096 R)
• M5: 1,676,244 km (0.116 R)
• M6: 2,277,328 km (0.085 R)
• M7: 2,669,125 km (0.051 R)
• M8: 3,105,951 km (0.113 R)
• M9: 3,479,796 km (0.081 R)
• M10: 4,347,015 km (0.109 R)
• M11: 4,725,946 km (0.084 R)
• M12: 5,500,714 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.3

Radius: 10.7

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.66 AU - 0.98 AU

Year: 479 Days

Day: 6.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,245,388 km

• M1: 133,890 km (0.077 R)
• M2: 467,643 km (0.109 R)
• M3: 1,023,399 km (0.054 R)
• M4: 1,401,582 km (0.072 R)
• M5: 2,227,662 km (0.094 R)
• M6: 2,658,055 km (0.095 R)
• M7: 3,714,814 km (0.1 R)
• M8: 4,104,218 km (0.095 R)
• M9: 5,048,180 km (0.092 R)
• M10: 5,562,797 km (0.105 R)
• M11: 5,943,523 km (0.091 R)
• M12: 6,859,511 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.7

Radius: 8.5

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.2 AU - 2.36 AU

Year: 2223 Days

Day: 7.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 16,245,388 km

• M1: 106,962 km (0.09 R)
• M2: 468,391 km (0.102 R)
• M3: 786,137 km (0.084 R)
• M4: 1,131,259 km (0.056 R)
• M5: 1,752,988 km (0.093 R)
• M6: 5,548,585 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.8

Radius: 9.2

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.85 AU - 2.87 AU

Year: 3123 Days

Day: 10.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,245,388 km

• M1: 114,442 km (0.118 R)
• M2: 496,067 km (0.113 R)
• M3: 988,543 km (0.101 R)
• M4: 1,429,707 km (0.069 R)
• M5: 2,434,855 km (0.065 R)
• M6: 3,533,651 km (0.104 R)
• M7: 5,758,321 km (0.111 R)
• M8: 6,833,182 km (0.04 R)
• M9: 9,308,578 km (0.056 R)
• M10: 12,530,467 km (0.114 R)
• M11: 13,838,551 km (0.118 R)
• M12: 14,279,416 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 11.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.72 AU - 4.5 AU

Year: 4429 Days

Day: 10.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 16,245,388 km

• M1: 147,653 km (0.101 R)
• M2: 514,916 km (0.097 R)
• M3: 898,934 km (0.037 R)
• M4: 1,420,881 km (0.081 R)
• M5: 2,170,067 km (0.116 R)
• M6: 2,857,319 km (0.097 R)
• M7: 3,419,059 km (0.075 R)
• M8: 4,399,374 km (0.092 R)
• M9: 6,561,363 km (0.093 R)
• M10: 7,172,470 km (0.113 R)
• M11: 7,681,402 km (0.114 R)
• M12: 10,683,532 km (0.093 R)
• M13: 11,168,528 km (0.096 R)
• M14: 12,908,202 km (0.097 R)
• M15: 13,868,770 km (0.099 R)
• M16: 15,204,380 km (0.059 R)
• M17: 15,649,433 km (0.089 R)
• M18: 17,036,954 km (0.069 R)
• M19: 17,883,378 km (0.111 R)
• M20: 18,379,445 km (0.116 R)
• M21: 19,076,571 km (0.1 R)
• M22: 19,725,526 km (0.119 R)
• M23: 23,561,365 km (0.116 R)

Asteroid Belt

Center: 4.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.6

Radius: 14.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.15 AU - 5.45 AU

Year: 7878 Days

Day: 13.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 152 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 16,245,388 km

• M1: 194,776 km (0.094 R)
• M2: 925,412 km (0.1 R)
• M3: 1,451,099 km (0.088 R)
• M4: 1,939,686 km (0.11 R)
• M5: 2,426,477 km (0.105 R)
• M6: 2,922,245 km (0.038 R)
• M7: 3,850,350 km (0.082 R)
• M8: 4,531,469 km (0.093 R)
• M9: 5,128,215 km (0.102 R)
• M10: 5,718,379 km (0.083 R)
• M11: 7,036,336 km (0.065 R)
• M12: 7,912,231 km (0.091 R)
• M13: 8,471,877 km (0.035 R)
• M14: 10,443,427 km (0.115 R)
• M15: 11,678,657 km (0.083 R)
• M16: 12,654,933 km (0.049 R)
• M17: 13,526,939 km (0.112 R)
• M18: 14,714,596 km (0.091 R)
• M19: 17,546,185 km (0.11 R)
• M20: 18,243,012 km (0.085 R)
• M21: 21,502,450 km (0.042 R)
• M22: 22,227,551 km (0.119 R)
• M23: 27,260,173 km (0.11 R)
• M24: 27,938,450 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.4

Radius: 3.9

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.01 AU - 7.97 AU

Year: 10675 Days

Day: 23.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 16,245,388 km

• M1: 48,619 km (0.107 R)
• M2: 363,822 km (0.086 R)
• M3: 3,599,774 km (0.099 R)
• M4: 3,983,941 km (0.111 R)
• M5: 8,034,154 km (0.062 R)
• M6: 9,011,626 km (0.078 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: 243 - 16,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit