🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.41 AU - 0.63 AU

Year: 238 Days

Day: 33.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 66.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.8

Radius: 14.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.62 AU - 1 AU

Year: 464 Days

Day: 11 Hours

Environment

Temp: -151 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,429,970 km

• M1: 177,872 km (0.12 R)
• M2: 636,838 km (0.101 R)
• M3: 1,258,118 km (0.091 R)
• M4: 1,793,678 km (0.095 R)
• M5: 2,351,230 km (0.098 R)
• M6: 2,959,195 km (0.089 R)
• M7: 3,633,433 km (0.116 R)
• M8: 4,102,123 km (0.064 R)
• M9: 5,291,875 km (0.104 R)
• M10: 5,932,453 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.6

Radius: 11.5

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.27 AU - 2.29 AU

Year: 2189 Days

Day: 12 Hours

Environment

Temp: -186 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,429,970 km

• M1: 148,700 km (0.112 R)
• M2: 636,689 km (0.068 R)
• M3: 1,111,063 km (0.084 R)
• M4: 1,618,350 km (0.092 R)
• M5: 2,125,337 km (0.099 R)
• M6: 2,677,951 km (0.066 R)
• M7: 3,568,358 km (0.047 R)
• M8: 4,092,549 km (0.047 R)
• M9: 4,863,876 km (0.112 R)
• M10: 6,750,006 km (0.099 R)
• M11: 7,347,649 km (0.119 R)
• M12: 8,104,913 km (0.112 R)
• M13: 8,616,389 km (0.088 R)
• M14: 10,766,858 km (0.089 R)
• M15: 12,316,393 km (0.118 R)
• M16: 13,384,821 km (0.109 R)
• M17: 15,413,966 km (0.088 R)
• M18: 16,603,419 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.6

Radius: 13.4

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.49 AU - 3.23 AU

Year: 3075 Days

Day: 6.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,429,970 km

• M1: 166,802 km (0.111 R)
• M2: 622,327 km (0.081 R)
• M3: 1,129,165 km (0.113 R)
• M4: 1,738,776 km (0.098 R)
• M5: 2,702,336 km (0.099 R)
• M6: 3,752,064 km (0.104 R)
• M7: 5,357,100 km (0.094 R)
• M8: 5,801,705 km (0.104 R)
• M9: 6,242,869 km (0.104 R)
• M10: 7,702,794 km (0.108 R)
• M11: 10,146,027 km (0.093 R)
• M12: 11,458,599 km (0.074 R)
• M13: 13,207,846 km (0.07 R)
• M14: 13,974,835 km (0.078 R)
• M15: 15,440,445 km (0.091 R)
• M16: 17,627,267 km (0.101 R)
• M17: 19,336,722 km (0.068 R)
• M18: 21,413,589 km (0.081 R)
• M19: 22,071,371 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.9

Radius: 10.9

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.9 AU - 6.08 AU

Year: 8179 Days

Day: 9.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,429,970 km

• M1: 135,536 km (0.061 R)
• M2: 674,238 km (0.12 R)
• M3: 1,035,666 km (0.043 R)
• M4: 2,669,574 km (0.112 R)
• M5: 3,515,550 km (0.114 R)
• M6: 4,082,077 km (0.044 R)
• M7: 4,829,318 km (0.109 R)
• M8: 5,564,143 km (0.112 R)
• M9: 6,118,104 km (0.069 R)
• M10: 6,939,696 km (0.116 R)
• M11: 8,003,636 km (0.116 R)
• M12: 10,869,632 km (0.064 R)
• M13: 12,825,474 km (0.094 R)
• M14: 13,485,799 km (0.073 R)
• M15: 14,744,516 km (0.096 R)
• M16: 15,469,317 km (0.083 R)
• M17: 17,349,164 km (0.03 R)
• M18: 18,456,936 km (0.092 R)
• M19: 20,006,621 km (0.115 R)
• M20: 22,491,292 km (0.063 R)
• M21: 26,786,845 km (0.098 R)
• M22: 29,901,473 km (0.111 R)
• M23: 33,586,667 km (0.059 R)
• M24: 34,267,038 km (0.032 R)
• M25: 34,610,664 km (0.069 R)
• M26: 35,304,649 km (0.032 R)
• M27: 35,890,175 km (0.067 R)
• M28: 36,840,420 km (0.103 R)
• M29: 40,938,205 km (0.087 R)
• M30: 47,002,155 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.6

Radius: 5.3

Gravity: 33.56 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.69 AU - 10.25 AU

Year: 18529 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,429,970 km

• M1: 65,973 km (0.087 R)
• M2: 268,079 km (0.12 R)
• M3: 460,761 km (0.078 R)
• M4: 634,744 km (0.077 R)
• M5: 1,176,886 km (0.087 R)
• M6: 1,367,325 km (0.119 R)
• M7: 1,737,280 km (0.076 R)
• M8: 2,235,740 km (0.046 R)
• M9: 2,414,061 km (0.087 R)
• M10: 4,616,441 km (0.098 R)
• M11: 7,005,369 km (0.085 R)
• M12: 7,586,108 km (0.083 R)
• M13: 8,787,977 km (0.095 R)
• M14: 11,235,847 km (0.117 R)
• M15: 11,962,743 km (0.034 R)
• M16: 15,664,991 km (0.113 R)
• M17: 16,487,181 km (0.086 R)
• M18: 16,909,047 km (0.094 R)
• M19: 21,730,886 km (0.11 R)
• M20: 22,237,873 km (0.113 R)
• M21: 22,649,118 km (0.075 R)
• M22: 26,928,066 km (0.079 R)
• M23: 33,564,227 km (0.073 R)
• M24: 37,619,077 km (0.099 R)
• M25: 47,189,452 km (0.094 R)
• M26: 47,358,647 km (0.05 R)
• M27: 48,210,158 km (0.106 R)
• M28: 51,898,493 km (0.088 R)
• M29: 54,273,509 km (0.109 R)
• M30: 60,825,746 km (0.071 R)
• M31: 61,428,027 km (0.076 R)
• M32: 65,544,961 km (0.077 R)
• M33: 72,959,330 km (0.059 R)
• M34: 74,323,065 km (0.045 R)
• M35: 75,011,364 km (0.111 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 10,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit