🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.1

Radius: 9

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.41 AU - 0.67 AU

Year: 265 Days

Day: 5.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,088,304 km

• M1: 111,899 km (0.102 R)
• M2: 407,505 km (0.07 R)
• M3: 743,053 km (0.074 R)
• M4: 1,064,090 km (0.11 R)
• M5: 1,424,920 km (0.063 R)
• M6: 1,775,278 km (0.12 R)
• M7: 2,080,009 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.8

Radius: 13.1

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.81 AU - 1.25 AU

Year: 697 Days

Day: 11.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 20,088,304 km

• M1: 162,912 km (0.114 R)
• M2: 696,528 km (0.115 R)
• M3: 1,221,467 km (0.032 R)
• M4: 2,047,546 km (0.025 R)
• M5: 3,108,943 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.6

Radius: 14.3

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.99 AU - 1.41 AU

Year: 877 Days

Day: 6.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,088,304 km

• M1: 177,872 km (0.062 R)
• M2: 644,318 km (0.117 R)
• M3: 1,157,439 km (0.088 R)
• M4: 1,727,556 km (0.079 R)
• M5: 2,351,679 km (0.084 R)
• M6: 2,926,284 km (0.102 R)
• M7: 3,432,374 km (0.092 R)
• M8: 4,282,389 km (0.054 R)
• M9: 5,057,306 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.7

Radius: 12.9

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.04 AU - 2.82 AU

Year: 2526 Days

Day: 14.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,088,304 km

• M1: 160,519 km (0.071 R)
• M2: 588,668 km (0.07 R)
• M3: 996,771 km (0.104 R)
• M4: 1,401,283 km (0.104 R)
• M5: 1,885,681 km (0.096 R)
• M6: 2,468,664 km (0.095 R)
• M7: 2,998,390 km (0.115 R)
• M8: 3,726,932 km (0.058 R)
• M9: 5,148,710 km (0.103 R)
• M10: 8,301,186 km (0.053 R)
• M11: 9,601,341 km (0.111 R)
• M12: 10,122,540 km (0.041 R)
• M13: 11,644,100 km (0.104 R)
• M14: 12,439,512 km (0.088 R)
• M15: 12,892,195 km (0.112 R)
• M16: 13,743,556 km (0.084 R)
• M17: 14,722,974 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.1

Radius: 14.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.52 AU - 2.56 AU

Year: 2699 Days

Day: 8.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,088,304 km

• M1: 182,809 km (0.101 R)
• M2: 785,987 km (0.112 R)
• M3: 1,291,778 km (0.051 R)
• M4: 1,766,003 km (0.102 R)
• M5: 2,905,639 km (0.12 R)
• M6: 4,869,710 km (0.096 R)
• M7: 5,664,075 km (0.089 R)
• M8: 6,267,702 km (0.107 R)
• M9: 7,389,686 km (0.104 R)
• M10: 8,675,779 km (0.107 R)
• M11: 9,372,606 km (0.066 R)
• M12: 10,181,930 km (0.086 R)
• M13: 11,482,983 km (0.098 R)
• M14: 12,195,069 km (0.069 R)
• M15: 12,715,370 km (0.062 R)
• M16: 14,606,138 km (0.028 R)
• M17: 17,647,163 km (0.115 R)
• M18: 18,145,623 km (0.12 R)
• M19: 19,286,905 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.2

Radius: 12.1

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.11 AU - 6.11 AU

Year: 7703 Days

Day: 14.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,088,304 km

• M1: 150,645 km (0.065 R)
• M2: 544,835 km (0.043 R)
• M3: 1,018,462 km (0.102 R)
• M4: 2,516,386 km (0.087 R)
• M5: 4,462,355 km (0.062 R)
• M6: 5,453,890 km (0.101 R)
• M7: 8,082,175 km (0.12 R)
• M8: 9,996,728 km (0.077 R)
• M9: 15,133,620 km (0.078 R)
• M10: 22,293,523 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.8

Radius: 3.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.93 AU - 7.23 AU

Year: 11256 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,088,304 km

• M1: 46,076 km (0.066 R)
• M2: 162,912 km (0.117 R)
• M3: 283,488 km (0.061 R)
• M4: 440,566 km (0.084 R)
• M5: 660,624 km (0.03 R)
• M6: 854,802 km (0.114 R)
• M7: 1,753,287 km (0.061 R)
• M8: 2,153,611 km (0.089 R)
• M9: 2,290,343 km (0.053 R)
• M10: 3,166,987 km (0.078 R)
• M11: 3,472,316 km (0.032 R)
• M12: 5,275,419 km (0.099 R)
• M13: 7,189,075 km (0.091 R)
• M14: 7,557,984 km (0.1 R)
• M15: 9,927,614 km (0.111 R)
• M16: 10,078,558 km (0.101 R)
• M17: 10,501,322 km (0.088 R)
• M18: 10,618,606 km (0.088 R)
• M19: 11,630,636 km (0.091 R)
• M20: 13,153,094 km (0.099 R)
• M21: 16,219,252 km (0.111 R)
• M22: 18,394,704 km (0.043 R)
• M23: 19,375,467 km (0.045 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 18,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit