🌌 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 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.3

Radius: 12.2

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.51 AU - 0.53 AU

Year: 259 Days

Day: 14.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 87,099,544 km

• M1: 151,692 km (0.052 R)
• M2: 771,476 km (0.082 R)
• M3: 1,249,441 km (0.086 R)
• M4: 1,825,992 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.3

Radius: 14.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.51 AU - 2.37 AU

Year: 1865 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,099,544 km

• M1: 180,265 km (0.044 R)
• M2: 649,105 km (0.081 R)
• M3: 1,242,111 km (0.113 R)
• M4: 1,708,707 km (0.072 R)
• M5: 2,523,566 km (0.089 R)
• M6: 3,151,429 km (0.088 R)
• M7: 3,693,571 km (0.091 R)
• M8: 4,178,717 km (0.112 R)
• M9: 5,398,688 km (0.098 R)
• M10: 6,495,091 km (0.092 R)
• M11: 7,480,492 km (0.03 R)
• M12: 8,480,554 km (0.09 R)
• M13: 10,396,005 km (0.113 R)
• M14: 11,105,548 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.7

Radius: 11.4

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.71 AU - 2.43 AU

Year: 2056 Days

Day: 9.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,099,544 km

• M1: 141,819 km (0.114 R)
• M2: 987,346 km (0.103 R)
• M3: 1,365,978 km (0.109 R)
• M4: 1,959,134 km (0.04 R)
• M5: 2,963,833 km (0.114 R)
• M6: 3,378,219 km (0.073 R)
• M7: 3,888,348 km (0.12 R)
• M8: 4,772,022 km (0.072 R)
• M9: 5,133,152 km (0.049 R)
• M10: 6,275,331 km (0.025 R)
• M11: 7,311,147 km (0.103 R)
• M12: 7,731,517 km (0.101 R)
• M13: 10,415,153 km (0.068 R)
• M14: 11,701,097 km (0.063 R)
• M15: 12,572,803 km (0.103 R)
• M16: 13,801,900 km (0.083 R)
• M17: 15,061,364 km (0.046 R)
• M18: 16,143,106 km (0.119 R)
• M19: 16,754,513 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.1

Radius: 11.3

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.3 AU - 3.9 AU

Year: 4715 Days

Day: 8.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,099,544 km

• M1: 141,968 km (0.07 R)
• M2: 556,504 km (0.105 R)
• M3: 1,619,098 km (0.079 R)
• M4: 1,970,653 km (0.041 R)
• M5: 2,483,175 km (0.102 R)
• M6: 3,010,208 km (0.103 R)
• M7: 4,949,296 km (0.087 R)
• M8: 5,816,664 km (0.066 R)
• M9: 6,562,709 km (0.038 R)
• M10: 7,852,392 km (0.118 R)
• M11: 8,650,796 km (0.116 R)
• M12: 10,031,584 km (0.117 R)
• M13: 10,451,805 km (0.116 R)
• M14: 15,941,448 km (0.119 R)
• M15: 20,987,085 km (0.116 R)
• M16: 22,166,814 km (0.106 R)
• M17: 23,025,805 km (0.06 R)
• M18: 25,892,699 km (0.09 R)
• M19: 26,366,176 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.7

Radius: 13.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.78 AU - 5.6 AU

Year: 8161 Days

Day: 6 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,099,544 km

• M1: 170,392 km (0.031 R)
• M2: 811,868 km (0.11 R)
• M3: 1,516,773 km (0.057 R)
• M4: 2,068,639 km (0.04 R)
• M5: 3,222,338 km (0.084 R)
• M6: 4,425,105 km (0.119 R)
• M7: 5,630,415 km (0.1 R)
• M8: 8,123,763 km (0.112 R)
• M9: 9,483,308 km (0.109 R)
• M10: 10,378,203 km (0.097 R)
• M11: 11,774,848 km (0.033 R)
• M12: 13,293,566 km (0.114 R)
• M13: 16,275,650 km (0.11 R)
• M14: 18,700,781 km (0.115 R)
• M15: 21,811,220 km (0.066 R)
• M16: 26,619,595 km (0.097 R)
• M17: 27,233,245 km (0.104 R)
• M18: 27,677,401 km (0.054 R)
• M19: 32,488,170 km (0.036 R)
• M20: 34,311,319 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.7

Radius: 4.3

Gravity: 26.76 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.24 AU - 9.8 AU

Year: 18699 Days

Day: 23.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,099,544 km

• M1: 89,460 km (0.041 R)
• M2: 575,204 km (0.084 R)
• M3: 943,813 km (0.055 R)
• M4: 1,239,867 km (0.086 R)
• M5: 2,015,233 km (0.095 R)
• M6: 3,520,337 km (0.118 R)
• M7: 3,952,077 km (0.091 R)
• M8: 4,515,612 km (0.119 R)
• M9: 4,851,010 km (0.104 R)
• M10: 5,609,172 km (0.078 R)
• M11: 8,108,504 km (0.106 R)
• M12: 10,323,151 km (0.117 R)
• M13: 10,786,306 km (0.116 R)
• M14: 12,195,218 km (0.111 R)
• M15: 15,672,322 km (0.051 R)
• M16: 21,385,614 km (0.055 R)
• M17: 22,519,715 km (0.112 R)
• M18: 23,892,725 km (0.114 R)
• M19: 25,529,325 km (0.069 R)
• M20: 25,738,912 km (0.097 R)
• M21: 26,589,077 km (0.107 R)
• M22: 34,713,588 km (0.111 R)
• M23: 36,144,940 km (0.08 R)
• M24: 38,433,638 km (0.116 R)
• M25: 40,106,142 km (0.116 R)
• M26: 47,124,376 km (0.106 R)
• M27: 51,671,404 km (0.117 R)
• M28: 52,513,041 km (0.098 R)
• M29: 55,794,321 km (0.063 R)
• M30: 56,858,261 km (0.077 R)
• M31: 57,755,250 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.3

Radius: 5.8

Gravity: 22.93 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.95 AU - 11.81 AU

Year: 23084 Days

Day: 23.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,099,544 km

• M1: 72,256 km (0.108 R)
• M2: 281,543 km (0.104 R)
• M3: 514,916 km (0.109 R)
• M4: 1,367,773 km (0.107 R)
• M5: 1,882,091 km (0.098 R)
• M6: 2,639,804 km (0.109 R)
• M7: 3,087,251 km (0.109 R)
• M8: 3,553,398 km (0.108 R)
• M9: 5,517,469 km (0.113 R)
• M10: 6,247,357 km (0.086 R)
• M11: 7,186,383 km (0.106 R)
• M12: 7,435,014 km (0.091 R)
• M13: 8,992,777 km (0.045 R)
• M14: 9,223,457 km (0.113 R)
• M15: 10,062,102 km (0.109 R)
• M16: 14,551,385 km (0.108 R)
• M17: 18,870,126 km (0.091 R)
• M18: 21,936,882 km (0.094 R)
• M19: 23,100,454 km (0.091 R)
• M20: 24,752,464 km (0.098 R)
• M21: 29,667,352 km (0.084 R)
• M22: 31,220,178 km (0.094 R)
• M23: 33,788,325 km (0.04 R)
• M24: 34,206,301 km (0.085 R)
• M25: 35,768,402 km (0.114 R)
• M26: 38,577,401 km (0.106 R)
• M27: 39,958,040 km (0.111 R)
• M28: 44,463,330 km (0.098 R)
• M29: 46,665,560 km (0.046 R)
• M30: 50,920,273 km (0.096 R)
• M31: 55,041,096 km (0.072 R)
• M32: 55,233,628 km (0.087 R)
• M33: 58,173,974 km (0.032 R)
• M34: 68,727,057 km (0.044 R)
• M35: 70,752,911 km (0.074 R)
• M36: 74,451,868 km (0.078 R)
• M37: 76,348,769 km (0.101 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 17,200 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit