🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.8

Radius: 11.8

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.56 AU - 0.72 AU

Year: 341 Days

Day: 8.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 13,161,305 km

• M1: 151,842 km (0.112 R)
• M2: 524,041 km (0.106 R)
• M3: 1,192,295 km (0.095 R)
• M4: 1,830,330 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308

Radius: 9

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.82 AU - 2.08 AU

Year: 1816 Days

Day: 6.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,161,305 km

• M1: 112,498 km (0.09 R)
• M2: 479,910 km (0.06 R)
• M3: 772,374 km (0.105 R)
• M4: 1,058,854 km (0.078 R)
• M5: 1,526,497 km (0.095 R)
• M6: 1,858,155 km (0.068 R)
• M7: 2,681,991 km (0.087 R)
• M8: 5,668,114 km (0.103 R)
• M9: 6,310,337 km (0.088 R)
• M10: 7,792,403 km (0.071 R)
• M11: 9,463,262 km (0.089 R)
• M12: 10,270,642 km (0.087 R)
• M13: 11,428,978 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 10.6

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.65 AU - 4.33 AU

Year: 4348 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 13,161,305 km

• M1: 133,292 km (0.049 R)
• M2: 788,381 km (0.098 R)
• M3: 1,124,677 km (0.086 R)
• M4: 1,470,547 km (0.102 R)
• M5: 1,981,723 km (0.034 R)
• M6: 2,691,714 km (0.07 R)
• M7: 3,228,472 km (0.1 R)
• M8: 3,645,700 km (0.025 R)
• M9: 4,516,809 km (0.114 R)
• M10: 5,916,147 km (0.041 R)
• M11: 6,574,976 km (0.053 R)
• M12: 7,019,132 km (0.093 R)
• M13: 7,382,206 km (0.056 R)
• M14: 8,584,375 km (0.12 R)
• M15: 9,271,328 km (0.118 R)
• M16: 11,061,267 km (0.112 R)
• M17: 12,583,126 km (0.061 R)
• M18: 13,621,634 km (0.108 R)
• M19: 14,877,359 km (0.12 R)
• M20: 16,611,497 km (0.112 R)
• M21: 21,152,541 km (0.108 R)
• M22: 21,703,210 km (0.106 R)
• M23: 22,618,600 km (0.092 R)
• M24: 23,706,475 km (0.117 R)
• M25: 24,677,216 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.1

Radius: 13.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.54 AU - 3.62 AU

Year: 4517 Days

Day: 10.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,161,305 km

• M1: 166,802 km (0.033 R)
• M2: 661,671 km (0.071 R)
• M3: 1,615,507 km (0.1 R)
• M4: 2,279,124 km (0.091 R)
• M5: 2,906,986 km (0.081 R)
• M6: 3,822,974 km (0.114 R)
• M7: 5,663,177 km (0.071 R)
• M8: 7,158,857 km (0.11 R)
• M9: 7,816,040 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.4

Radius: 8.4

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.16 AU - 4.62 AU

Year: 5116 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 13,161,305 km

• M1: 104,569 km (0.099 R)
• M2: 547,827 km (0.097 R)
• M3: 1,162,076 km (0.119 R)
• M4: 1,575,864 km (0.104 R)
• M5: 2,506,512 km (0.057 R)
• M6: 3,161,751 km (0.081 R)
• M7: 3,651,534 km (0.097 R)
• M8: 4,544,634 km (0.082 R)
• M9: 5,369,965 km (0.112 R)
• M10: 5,696,537 km (0.067 R)
• M11: 6,324,400 km (0.066 R)
• M12: 7,351,389 km (0.03 R)
• M13: 7,791,955 km (0.094 R)
• M14: 8,057,042 km (0.049 R)
• M15: 8,446,146 km (0.117 R)
• M16: 10,084,991 km (0.087 R)
• M17: 10,400,194 km (0.039 R)
• M18: 11,482,235 km (0.116 R)
• M19: 11,875,677 km (0.073 R)
• M20: 12,741,550 km (0.117 R)
• M21: 13,758,516 km (0.103 R)
• M22: 14,598,807 km (0.107 R)
• M23: 16,943,455 km (0.076 R)
• M24: 19,877,518 km (0.057 R)
• M25: 21,169,744 km (0.113 R)
• M26: 28,840,076 km (0.049 R)
• M27: 29,202,252 km (0.083 R)
• M28: 30,587,678 km (0.092 R)
• M29: 32,600,069 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.4

Radius: 11.9

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.96 AU - 4.9 AU

Year: 5195 Days

Day: 6.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 13,161,305 km

• M1: 148,999 km (0.092 R)
• M2: 602,580 km (0.092 R)
• M3: 2,216,592 km (0.109 R)
• M4: 2,692,313 km (0.086 R)
• M5: 3,255,848 km (0.117 R)
• M6: 3,897,025 km (0.053 R)
• M7: 4,494,219 km (0.111 R)
• M8: 6,593,676 km (0.066 R)
• M9: 7,198,650 km (0.11 R)
• M10: 8,175,374 km (0.1 R)
• M11: 9,910,261 km (0.035 R)
• M12: 11,830,200 km (0.115 R)
• M13: 18,338,305 km (0.098 R)
• M14: 19,740,337 km (0.119 R)
• M15: 20,643,459 km (0.08 R)
• M16: 22,681,880 km (0.109 R)
• M17: 24,061,172 km (0.114 R)
• M18: 25,414,434 km (0.107 R)
• M19: 26,316,659 km (0.077 R)
• M20: 30,873,560 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.3

Radius: 8

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.31 AU - 5.35 AU

Year: 7079 Days

Day: 8 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,161,305 km

• M1: 114,592 km (0.054 R)
• M2: 543,788 km (0.059 R)
• M3: 1,088,025 km (0.103 R)
• M4: 1,693,298 km (0.051 R)
• M5: 5,500,415 km (0.087 R)
• M6: 6,203,076 km (0.117 R)
• M7: 8,407,550 km (0.107 R)
• M8: 11,873,733 km (0.073 R)
• M9: 12,468,534 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 19,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit