🌌 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: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.7

Radius: 14.2

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.79 AU - 0.85 AU

Year: 513 Days

Day: 6.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,352,241 km

• M1: 176,675 km (0.098 R)
• M2: 809,175 km (0.104 R)
• M3: 1,431,951 km (0.081 R)
• M4: 1,972,448 km (0.082 R)
• M5: 2,776,536 km (0.075 R)
• M6: 3,803,975 km (0.113 R)
• M7: 4,443,506 km (0.094 R)
• M8: 4,925,211 km (0.095 R)
• M9: 6,031,786 km (0.106 R)
• M10: 6,526,357 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.2

Radius: 14.4

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.44 AU - 1.54 AU

Year: 1255 Days

Day: 10.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,352,241 km

• M1: 179,069 km (0.039 R)
• M2: 693,536 km (0.096 R)
• M3: 1,360,593 km (0.097 R)
• M4: 2,060,411 km (0.051 R)
• M5: 3,047,159 km (0.055 R)
• M6: 4,192,331 km (0.033 R)
• M7: 4,687,500 km (0.06 R)
• M8: 5,341,542 km (0.061 R)
• M9: 6,598,313 km (0.039 R)
• M10: 7,599,871 km (0.112 R)
• M11: 9,363,181 km (0.03 R)
• M12: 9,874,357 km (0.083 R)
• M13: 11,151,324 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.2

Radius: 11.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.67 AU - 2.29 AU

Year: 1923 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,352,241 km

• M1: 139,276 km (0.12 R)
• M2: 601,832 km (0.095 R)
• M3: 1,127,220 km (0.115 R)
• M4: 1,806,544 km (0.113 R)
• M5: 2,989,115 km (0.099 R)
• M6: 5,270,034 km (0.115 R)
• M7: 6,508,405 km (0.084 R)
• M8: 7,986,881 km (0.03 R)
• M9: 8,497,309 km (0.071 R)
• M10: 11,920,856 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.4

Radius: 9

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.04 AU - 5.56 AU

Year: 8422 Days

Day: 5.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 95.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,352,241 km

• M1: 114,293 km (0.103 R)
• M2: 484,248 km (0.119 R)
• M3: 1,249,890 km (0.071 R)
• M4: 1,904,082 km (0.055 R)
• M5: 2,421,092 km (0.097 R)
• M6: 3,571,948 km (0.117 R)
• M7: 4,851,908 km (0.048 R)
• M8: 7,124,150 km (0.082 R)
• M9: 8,124,511 km (0.109 R)
• M10: 9,980,123 km (0.077 R)
• M11: 12,102,318 km (0.112 R)
• M12: 13,922,924 km (0.074 R)
• M13: 14,449,509 km (0.106 R)
• M14: 17,824,437 km (0.096 R)
• M15: 21,769,033 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.3

Radius: 3.2

Gravity: 34.79 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.42 AU - 9.88 AU

Year: 19105 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 59,352,241 km

• M1: 39,793 km (0.083 R)
• M2: 697,575 km (0.115 R)
• M3: 1,246,599 km (0.113 R)
• M4: 1,673,402 km (0.085 R)
• M5: 1,823,897 km (0.041 R)
• M6: 1,983,369 km (0.086 R)
• M7: 2,412,415 km (0.086 R)
• M8: 2,784,016 km (0.066 R)
• M9: 2,900,404 km (0.066 R)
• M10: 3,243,282 km (0.101 R)
• M11: 4,657,580 km (0.071 R)
• M12: 6,890,478 km (0.102 R)
• M13: 7,233,655 km (0.118 R)
• M14: 7,543,173 km (0.083 R)
• M15: 7,953,969 km (0.099 R)
• M16: 8,379,575 km (0.106 R)
• M17: 8,524,835 km (0.056 R)
• M18: 10,737,537 km (0.119 R)
• M19: 12,221,398 km (0.097 R)
• M20: 16,103,912 km (0.09 R)
• M21: 17,799,005 km (0.085 R)
• M22: 19,694,410 km (0.108 R)
• M23: 21,629,159 km (0.113 R)
• M24: 24,862,568 km (0.115 R)
• M25: 27,863,052 km (0.117 R)
• M26: 29,283,185 km (0.111 R)
• M27: 30,180,622 km (0.072 R)
• M28: 32,504,027 km (0.113 R)
• M29: 35,320,207 km (0.105 R)
• M30: 35,699,138 km (0.104 R)
• M31: 37,241,941 km (0.086 R)
• M32: 40,874,327 km (0.082 R)
• M33: 42,561,941 km (0.088 R)
• M34: 43,278,514 km (0.091 R)
• M35: 44,149,174 km (0.11 R)
• M36: 46,075,247 km (0.039 R)
• M37: 49,146,640 km (0.119 R)
• M38: 52,025,203 km (0.111 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 16,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit