🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.4

Radius: 13.9

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.93 AU - 1.15 AU

Year: 732 Days

Day: 12.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,414,804 km

• M1: 173,085 km (0.072 R)
• M2: 850,464 km (0.101 R)
• M3: 1,334,114 km (0.032 R)
• M4: 1,969,306 km (0.081 R)
• M5: 2,529,850 km (0.093 R)
• M6: 3,044,167 km (0.118 R)
• M7: 3,993,066 km (0.074 R)
• M8: 5,257,617 km (0.115 R)
• M9: 5,766,250 km (0.101 R)
• M10: 6,687,773 km (0.06 R)
• M11: 7,195,508 km (0.116 R)
• M12: 7,968,929 km (0.119 R)
• M13: 8,413,833 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.7

Radius: 9.4

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.35 AU - 1.37 AU

Year: 1095 Days

Day: 11.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,414,804 km

• M1: 117,135 km (0.048 R)
• M2: 445,054 km (0.098 R)
• M3: 792,869 km (0.081 R)
• M4: 1,196,035 km (0.108 R)
• M5: 1,644,679 km (0.084 R)
• M6: 2,581,012 km (0.096 R)
• M7: 3,166,538 km (0.109 R)
• M8: 3,918,267 km (0.117 R)
• M9: 5,125,821 km (0.116 R)
• M10: 5,544,695 km (0.104 R)
• M11: 5,879,047 km (0.101 R)
• M12: 7,084,207 km (0.059 R)
• M13: 7,428,432 km (0.093 R)
• M14: 7,732,415 km (0.104 R)
• M15: 8,528,724 km (0.084 R)
• M16: 9,466,703 km (0.065 R)
• M17: 10,694,153 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.3

Radius: 10.6

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.81 AU - 2.69 AU

Year: 2330 Days

Day: 11.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,414,804 km

• M1: 131,796 km (0.109 R)
• M2: 482,752 km (0.12 R)
• M3: 1,037,611 km (0.082 R)
• M4: 1,525,449 km (0.09 R)
• M5: 2,439,792 km (0.032 R)
• M6: 3,523,329 km (0.057 R)
• M7: 3,872,042 km (0.098 R)
• M8: 5,128,514 km (0.109 R)
• M9: 5,850,324 km (0.104 R)
• M10: 6,421,788 km (0.104 R)
• M11: 7,144,794 km (0.117 R)
• M12: 8,686,849 km (0.026 R)
• M13: 9,396,541 km (0.043 R)
• M14: 9,854,909 km (0.102 R)
• M15: 11,961,995 km (0.094 R)
• M16: 12,417,072 km (0.092 R)
• M17: 12,926,453 km (0.084 R)
• M18: 14,123,834 km (0.115 R)
• M19: 15,932,323 km (0.063 R)
• M20: 16,281,484 km (0.097 R)
• M21: 17,943,816 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.2

Radius: 5.9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.62 AU - 8.76 AU

Year: 13308 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,414,804 km

• M1: 74,350 km (0.11 R)
• M2: 333,304 km (0.094 R)
• M3: 634,893 km (0.038 R)
• M4: 1,099,694 km (0.076 R)
• M5: 2,804,810 km (0.098 R)
• M6: 5,780,013 km (0.079 R)
• M7: 6,021,913 km (0.088 R)
• M8: 7,799,435 km (0.118 R)
• M9: 8,552,809 km (0.112 R)
• M10: 11,477,298 km (0.12 R)
• M11: 13,741,911 km (0.074 R)
• M12: 18,021,906 km (0.099 R)
• M13: 19,738,541 km (0.11 R)
• M14: 20,012,006 km (0.088 R)
• M15: 23,723,530 km (0.036 R)
• M16: 25,699,867 km (0.085 R)
• M17: 27,612,775 km (0.118 R)
• M18: 28,560,477 km (0.1 R)
• M19: 29,351,701 km (0.092 R)
• M20: 29,618,583 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.7

Radius: 6.7

Gravity: 19.93 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.26 AU - 9.94 AU

Year: 15913 Days

Day: 20.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,414,804 km

• M1: 94,546 km (0.111 R)
• M2: 333,753 km (0.118 R)
• M3: 549,772 km (0.065 R)
• M4: 782,397 km (0.06 R)
• M5: 1,308,383 km (0.093 R)
• M6: 2,420,643 km (0.041 R)
• M7: 3,905,402 km (0.038 R)
• M8: 4,347,314 km (0.112 R)
• M9: 4,580,388 km (0.085 R)
• M10: 5,181,621 km (0.092 R)
• M11: 5,559,057 km (0.101 R)
• M12: 6,077,114 km (0.095 R)
• M13: 6,936,255 km (0.089 R)
• M14: 8,946,401 km (0.107 R)
• M15: 10,642,991 km (0.036 R)
• M16: 12,277,647 km (0.102 R)
• M17: 14,882,744 km (0.113 R)
• M18: 18,870,275 km (0.097 R)
• M19: 20,590,801 km (0.118 R)
• M20: 21,345,671 km (0.094 R)
• M21: 26,818,709 km (0.065 R)
• M22: 31,768,454 km (0.095 R)
• M23: 32,775,547 km (0.101 R)
• M24: 33,803,733 km (0.113 R)
• M25: 39,701,629 km (0.042 R)
• M26: 39,991,550 km (0.062 R)
• M27: 41,313,546 km (0.081 R)
• M28: 48,693,658 km (0.09 R)
• M29: 52,257,528 km (0.111 R)
• M30: 55,809,580 km (0.103 R)
• M31: 59,141,274 km (0.116 R)
• M32: 59,709,148 km (0.101 R)
• M33: 67,425,705 km (0.083 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: 519 - 17,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit