🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.14 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.7

Radius: 12.8

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.73 AU - 2.81 AU

Year: 2281 Days

Day: 8.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,291,356 km

• M1: 159,471 km (0.061 R)
• M2: 617,390 km (0.081 R)
• M3: 1,153,400 km (0.096 R)
• M4: 3,964,044 km (0.098 R)
• M5: 4,815,855 km (0.103 R)
• M6: 5,383,429 km (0.087 R)
• M7: 7,012,699 km (0.049 R)
• M8: 7,743,485 km (0.116 R)
• M9: 8,888,208 km (0.12 R)
• M10: 9,549,730 km (0.096 R)
• M11: 10,830,138 km (0.102 R)
• M12: 14,188,610 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.2

Radius: 11.8

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.64 AU - 3.74 AU

Year: 3799 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,291,356 km

• M1: 146,756 km (0.094 R)
• M2: 807,380 km (0.064 R)
• M3: 1,386,473 km (0.116 R)
• M4: 1,975,739 km (0.112 R)
• M5: 2,693,210 km (0.039 R)
• M6: 3,598,128 km (0.063 R)
• M7: 4,307,072 km (0.088 R)
• M8: 5,213,785 km (0.116 R)
• M9: 5,627,423 km (0.102 R)
• M10: 6,304,353 km (0.12 R)
• M11: 6,839,166 km (0.079 R)
• M12: 7,856,581 km (0.083 R)
• M13: 10,022,309 km (0.071 R)
• M14: 13,054,209 km (0.098 R)
• M15: 13,459,171 km (0.06 R)
• M16: 18,485,210 km (0.103 R)
• M17: 21,135,935 km (0.101 R)
• M18: 21,907,112 km (0.059 R)
• M19: 23,431,514 km (0.114 R)
• M20: 23,955,107 km (0.109 R)
• M21: 25,337,092 km (0.102 R)
• M22: 27,097,710 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.7

Radius: 9.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.72 AU - 3.9 AU

Year: 4016 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 61.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,291,356 km

• M1: 115,340 km (0.079 R)
• M2: 614,249 km (0.081 R)
• M3: 982,409 km (0.056 R)
• M4: 1,353,861 km (0.097 R)
• M5: 2,133,415 km (0.04 R)
• M6: 2,556,927 km (0.091 R)
• M7: 4,052,756 km (0.082 R)
• M8: 4,339,236 km (0.079 R)
• M9: 5,139,285 km (0.118 R)
• M10: 7,029,754 km (0.084 R)
• M11: 7,536,292 km (0.077 R)
• M12: 8,099,079 km (0.111 R)
• M13: 9,736,877 km (0.099 R)
• M14: 10,141,389 km (0.111 R)
• M15: 15,709,422 km (0.04 R)
• M16: 16,575,594 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 13.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.06 AU - 4.82 AU

Year: 5215 Days

Day: 11.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,291,356 km

• M1: 166,652 km (0.112 R)
• M2: 600,037 km (0.081 R)
• M3: 1,039,705 km (0.092 R)
• M4: 2,388,180 km (0.106 R)
• M5: 2,984,627 km (0.064 R)
• M6: 3,436,413 km (0.103 R)
• M7: 3,910,339 km (0.083 R)
• M8: 4,376,785 km (0.08 R)
• M9: 6,005,008 km (0.1 R)
• M10: 6,731,306 km (0.083 R)
• M11: 7,331,941 km (0.09 R)
• M12: 8,162,359 km (0.097 R)
• M13: 9,481,064 km (0.116 R)
• M14: 10,282,759 km (0.111 R)
• M15: 10,937,250 km (0.088 R)
• M16: 11,520,233 km (0.03 R)
• M17: 13,725,605 km (0.029 R)
• M18: 14,810,638 km (0.114 R)
• M19: 15,767,915 km (0.052 R)
• M20: 16,893,788 km (0.087 R)
• M21: 20,086,057 km (0.03 R)
• M22: 20,520,639 km (0.091 R)
• M23: 21,109,905 km (0.101 R)
• M24: 21,634,694 km (0.102 R)
• M25: 23,500,479 km (0.11 R)
• M26: 29,181,907 km (0.087 R)
• M27: 32,736,951 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.9

Radius: 8.3

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.58 AU - 5.34 AU

Year: 6281 Days

Day: 8.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,291,356 km

• M1: 103,522 km (0.074 R)
• M2: 397,332 km (0.114 R)
• M3: 1,138,889 km (0.105 R)
• M4: 1,715,289 km (0.074 R)
• M5: 2,229,906 km (0.111 R)
• M6: 3,211,268 km (0.118 R)
• M7: 4,112,146 km (0.116 R)
• M8: 5,116,696 km (0.039 R)
• M9: 7,245,922 km (0.084 R)
• M10: 8,663,063 km (0.091 R)
• M11: 9,819,604 km (0.093 R)
• M12: 10,256,430 km (0.038 R)
• M13: 15,600,814 km (0.084 R)
• M14: 16,377,526 km (0.113 R)
• M15: 17,242,651 km (0.08 R)
• M16: 17,558,751 km (0.115 R)
• M17: 18,795,925 km (0.113 R)
• M18: 19,401,797 km (0.086 R)
• M19: 19,812,892 km (0.101 R)
• M20: 21,956,031 km (0.078 R)
• M21: 25,453,479 km (0.118 R)
• M22: 28,770,962 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.4

Radius: 5.2

Gravity: 13.66 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 9 AU - 12.6 AU

Year: 23668 Days

Day: 19.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,291,356 km

• M1: 64,925 km (0.058 R)
• M2: 227,538 km (0.06 R)
• M3: 562,338 km (0.08 R)
• M4: 724,203 km (0.117 R)
• M5: 1,185,713 km (0.109 R)
• M6: 1,584,391 km (0.114 R)
• M7: 2,126,983 km (0.033 R)
• M8: 2,290,792 km (0.072 R)
• M9: 2,552,439 km (0.114 R)
• M10: 3,058,229 km (0.117 R)
• M11: 3,923,503 km (0.12 R)
• M12: 4,697,523 km (0.076 R)
• M13: 5,012,576 km (0.039 R)
• M14: 7,768,468 km (0.025 R)
• M15: 10,254,635 km (0.096 R)
• M16: 12,952,632 km (0.116 R)
• M17: 16,643,362 km (0.066 R)
• M18: 17,958,028 km (0.119 R)
• M19: 21,355,096 km (0.068 R)
• M20: 21,927,906 km (0.094 R)
• M21: 22,315,514 km (0.077 R)
• M22: 24,013,600 km (0.094 R)
• M23: 26,554,819 km (0.1 R)
• M24: 27,890,129 km (0.106 R)
• M25: 30,453,489 km (0.089 R)
• M26: 31,300,961 km (0.045 R)
• M27: 34,586,429 km (0.082 R)
• M28: 43,943,327 km (0.11 R)
• M29: 57,747,022 km (0.065 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: 243 - 16,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit