🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.3

Radius: 8.7

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.61 AU - 0.69 AU

Year: 349 Days

Day: 12.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,389,361 km

• M1: 108,159 km (0.055 R)
• M2: 495,019 km (0.12 R)
• M3: 785,090 km (0.098 R)
• M4: 1,075,010 km (0.059 R)
• M5: 1,383,631 km (0.106 R)
• M6: 1,662,481 km (0.115 R)
• M7: 2,048,892 km (0.115 R)
• M8: 2,327,593 km (0.097 R)
• M9: 2,697,848 km (0.119 R)
• M10: 3,266,918 km (0.119 R)
• M11: 3,816,541 km (0.099 R)
• M12: 4,268,027 km (0.114 R)
• M13: 4,588,615 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.5

Radius: 10.3

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.29 AU - 1.45 AU

Year: 1069 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,389,361 km

• M1: 128,505 km (0.113 R)
• M2: 489,933 km (0.106 R)
• M3: 873,502 km (0.111 R)
• M4: 1,535,473 km (0.089 R)
• M5: 1,973,346 km (0.103 R)
• M6: 2,299,618 km (0.106 R)
• M7: 2,825,455 km (0.098 R)
• M8: 3,429,830 km (0.116 R)
• M9: 3,954,470 km (0.077 R)
• M10: 4,304,529 km (0.071 R)
• M11: 5,262,105 km (0.073 R)
• M12: 5,854,812 km (0.072 R)
• M13: 6,559,717 km (0.035 R)
• M14: 7,028,407 km (0.089 R)
• M15: 7,444,289 km (0.097 R)
• M16: 8,352,498 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.6

Radius: 12

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.49 AU - 4.87 AU

Year: 5699 Days

Day: 6.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,389,361 km

• M1: 204,949 km (0.114 R)
• M2: 1,790,836 km (0.084 R)
• M3: 2,195,498 km (0.083 R)
• M4: 2,724,327 km (0.077 R)
• M5: 3,410,981 km (0.04 R)
• M6: 3,876,230 km (0.115 R)
• M7: 5,328,676 km (0.099 R)
• M8: 6,461,880 km (0.093 R)
• M9: 7,396,867 km (0.052 R)
• M10: 9,723,413 km (0.113 R)
• M11: 12,727,787 km (0.094 R)
• M12: 15,095,622 km (0.105 R)
• M13: 15,665,141 km (0.12 R)
• M14: 16,957,517 km (0.103 R)
• M15: 20,940,710 km (0.103 R)
• M16: 22,042,797 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.2

Radius: 9.1

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.18 AU - 4.72 AU

Year: 6260 Days

Day: 12.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,389,361 km

• M1: 113,545 km (0.11 R)
• M2: 1,283,400 km (0.074 R)
• M3: 1,776,176 km (0.115 R)
• M4: 2,266,557 km (0.095 R)
• M5: 2,899,057 km (0.084 R)
• M6: 7,943,348 km (0.096 R)
• M7: 8,801,591 km (0.109 R)
• M8: 14,094,812 km (0.103 R)
• M9: 14,795,529 km (0.038 R)
• M10: 18,524,555 km (0.115 R)
• M11: 20,298,785 km (0.088 R)
• M12: 23,205,323 km (0.077 R)
• M13: 25,029,519 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.7

Radius: 4.7

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.77 AU - 5.83 AU

Year: 9315 Days

Day: 17 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 23,389,361 km

• M1: 59,989 km (0.079 R)
• M2: 212,579 km (0.105 R)
• M3: 685,457 km (0.105 R)
• M4: 1,072,018 km (0.096 R)
• M5: 1,604,437 km (0.111 R)
• M6: 2,166,776 km (0.105 R)
• M7: 2,347,041 km (0.045 R)
• M8: 2,554,982 km (0.119 R)
• M9: 3,128,989 km (0.048 R)
• M10: 4,270,421 km (0.113 R)
• M11: 5,131,955 km (0.116 R)
• M12: 5,513,130 km (0.09 R)
• M13: 7,669,284 km (0.095 R)
• M14: 8,245,535 km (0.079 R)
• M15: 10,147,672 km (0.082 R)
• M16: 10,653,463 km (0.04 R)
• M17: 12,478,856 km (0.114 R)
• M18: 12,846,119 km (0.088 R)
• M19: 14,850,132 km (0.063 R)
• M20: 17,636,243 km (0.104 R)
• M21: 20,898,374 km (0.116 R)
• M22: 22,554,721 km (0.117 R)
• M23: 23,335,772 km (0.045 R)
• M24: 25,283,686 km (0.097 R)
• M25: 25,450,787 km (0.096 R)
• M26: 26,211,641 km (0.057 R)
• M27: 26,640,838 km (0.047 R)
• M28: 31,097,957 km (0.102 R)
• M29: 33,251,418 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.9

Radius: 4.5

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.5 AU - 7.14 AU

Year: 9363 Days

Day: 24.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 23,389,361 km

• M1: 100,679 km (0.096 R)
• M2: 255,663 km (0.116 R)
• M3: 498,311 km (0.115 R)
• M4: 754,871 km (0.067 R)
• M5: 1,067,082 km (0.05 R)
• M6: 1,603,540 km (0.099 R)
• M7: 2,045,302 km (0.101 R)
• M8: 2,496,788 km (0.041 R)
• M9: 2,826,801 km (0.118 R)
• M10: 4,493,172 km (0.041 R)
• M11: 4,954,382 km (0.104 R)
• M12: 5,142,128 km (0.072 R)
• M13: 6,401,143 km (0.099 R)
• M14: 8,829,266 km (0.115 R)
• M15: 9,025,988 km (0.047 R)
• M16: 12,436,669 km (0.098 R)
• M17: 12,584,771 km (0.108 R)
• M18: 13,758,516 km (0.092 R)
• M19: 15,340,214 km (0.088 R)
• M20: 16,918,173 km (0.116 R)
• M21: 17,099,934 km (0.04 R)
• M22: 20,529,615 km (0.044 R)
• M23: 21,224,348 km (0.082 R)
• M24: 22,660,637 km (0.037 R)
• M25: 26,207,453 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.9

Radius: 5.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 9.27 AU - 11.99 AU

Year: 23112 Days

Day: 18.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,389,361 km

• M1: 67,169 km (0.098 R)
• M2: 336,296 km (0.098 R)
• M3: 541,694 km (0.079 R)
• M4: 1,058,555 km (0.11 R)
• M5: 1,746,106 km (0.115 R)
• M6: 4,881,379 km (0.08 R)
• M7: 5,465,708 km (0.07 R)
• M8: 6,152,362 km (0.078 R)
• M9: 8,520,646 km (0.077 R)
• M10: 10,345,441 km (0.054 R)
• M11: 13,020,550 km (0.11 R)
• M12: 13,693,740 km (0.096 R)
• M13: 18,465,763 km (0.073 R)
• M14: 20,895,232 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 11,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit