🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.4

Radius: 8.5

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.69 AU - 1.09 AU

Year: 569 Days

Day: 10.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,426,714 km

• M1: 105,766 km (0.103 R)
• M2: 384,915 km (0.088 R)
• M3: 721,660 km (0.097 R)
• M4: 1,147,715 km (0.11 R)
• M5: 1,419,534 km (0.118 R)
• M6: 2,029,594 km (0.1 R)
• M7: 2,500,229 km (0.093 R)
• M8: 3,258,840 km (0.089 R)
• M9: 3,853,342 km (0.061 R)
• M10: 4,121,571 km (0.115 R)
• M11: 4,503,494 km (0.091 R)
• M12: 5,571,174 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.2

Radius: 9.3

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.03 AU - 1.07 AU

Year: 730 Days

Day: 10.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,426,714 km

• M1: 115,639 km (0.112 R)
• M2: 431,440 km (0.1 R)
• M3: 1,129,015 km (0.066 R)
• M4: 1,427,912 km (0.084 R)
• M5: 2,001,320 km (0.101 R)
• M6: 2,362,450 km (0.045 R)
• M7: 2,825,305 km (0.081 R)
• M8: 3,347,552 km (0.114 R)
• M9: 3,773,457 km (0.11 R)
• M10: 4,360,180 km (0.074 R)
• M11: 5,830,427 km (0.082 R)
• M12: 6,448,566 km (0.11 R)
• M13: 6,784,413 km (0.097 R)
• M14: 7,606,005 km (0.112 R)
• M15: 7,957,410 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.4

Radius: 9.1

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.54 AU - 3.98 AU

Year: 3992 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,426,714 km

• M1: 115,340 km (0.053 R)
• M2: 596,148 km (0.057 R)
• M3: 1,042,548 km (0.075 R)
• M4: 1,522,458 km (0.072 R)
• M5: 4,176,623 km (0.058 R)
• M6: 4,460,560 km (0.105 R)
• M7: 5,324,936 km (0.04 R)
• M8: 7,999,148 km (0.112 R)
• M9: 10,394,958 km (0.076 R)
• M10: 12,133,434 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.3

Radius: 7.1

Gravity: 16.99 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.44 AU - 7.52 AU

Year: 12508 Days

Day: 15.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,426,714 km

• M1: 88,412 km (0.088 R)
• M2: 382,372 km (0.075 R)
• M3: 816,505 km (0.069 R)
• M4: 1,202,168 km (0.058 R)
• M5: 3,477,403 km (0.101 R)
• M6: 3,976,611 km (0.104 R)
• M7: 6,958,994 km (0.034 R)
• M8: 10,210,204 km (0.03 R)
• M9: 10,543,209 km (0.029 R)
• M10: 11,172,717 km (0.054 R)
• M11: 13,474,430 km (0.092 R)
• M12: 14,284,053 km (0.119 R)
• M13: 17,452,836 km (0.043 R)
• M14: 21,329,964 km (0.072 R)
• M15: 22,242,810 km (0.067 R)
• M16: 26,362,436 km (0.098 R)
• M17: 27,519,875 km (0.11 R)
• M18: 31,079,257 km (0.113 R)
• M19: 32,370,286 km (0.079 R)
• M20: 36,716,105 km (0.044 R)
• M21: 40,737,744 km (0.043 R)
• M22: 45,939,561 km (0.084 R)
• M23: 48,231,700 km (0.108 R)
• M24: 52,056,020 km (0.106 R)
• M25: 59,404,566 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.7

Radius: 3.3

Gravity: 72.79 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.69 AU - 10.29 AU

Year: 19829 Days

Day: 19.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,426,714 km

• M1: 41,139 km (0.026 R)
• M2: 181,612 km (0.088 R)
• M3: 319,840 km (0.104 R)
• M4: 666,608 km (0.117 R)
• M5: 1,420,282 km (0.092 R)
• M6: 2,184,428 km (0.111 R)
• M7: 2,338,065 km (0.102 R)
• M8: 2,452,059 km (0.093 R)
• M9: 2,569,942 km (0.083 R)
• M10: 3,329,301 km (0.1 R)
• M11: 3,444,641 km (0.098 R)
• M12: 3,714,066 km (0.066 R)
• M13: 4,501,101 km (0.095 R)
• M14: 4,642,321 km (0.075 R)
• M15: 4,822,886 km (0.119 R)
• M16: 5,674,098 km (0.038 R)
• M17: 6,092,224 km (0.043 R)
• M18: 7,768,169 km (0.089 R)
• M19: 7,971,472 km (0.075 R)
• M20: 8,548,920 km (0.052 R)
• M21: 15,133,021 km (0.078 R)
• M22: 17,188,347 km (0.116 R)
• M23: 20,367,600 km (0.08 R)
• M24: 23,704,082 km (0.081 R)
• M25: 24,024,371 km (0.11 R)
• M26: 24,347,502 km (0.118 R)
• M27: 24,564,569 km (0.114 R)
• M28: 24,782,832 km (0.045 R)
• M29: 34,342,136 km (0.038 R)
• M30: 36,993,758 km (0.067 R)
• M31: 38,442,763 km (0.11 R)
• M32: 54,509,874 km (0.117 R)
• M33: 56,194,346 km (0.06 R)
• M34: 61,054,930 km (0.117 R)
• M35: 65,139,401 km (0.106 R)
• M36: 65,977,448 km (0.039 R)
• M37: 67,035,255 km (0.067 R)
• M38: 74,074,134 km (0.214 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 20,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit