🌌 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: 576.4

Radius: 11.6

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.44 AU - 0.6 AU

Year: 264 Days

Day: 9.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,754,044 km

• M1: 144,212 km (0.111 R)
• M2: 752,627 km (0.098 R)
• M3: 1,161,927 km (0.072 R)
• M4: 1,761,216 km (0.108 R)
• M5: 2,393,566 km (0.112 R)
• M6: 2,951,566 km (0.118 R)
• M7: 3,758,497 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.1

Radius: 12.9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.47 AU - 0.59 AU

Year: 271 Days

Day: 5.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 34,754,044 km

• M1: 160,369 km (0.113 R)
• M2: 563,834 km (0.119 R)
• M3: 978,370 km (0.087 R)
• M4: 1,497,923 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.3

Radius: 14.1

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.54 AU - 0.62 AU

Year: 310 Days

Day: 12.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 34,754,044 km

• M1: 175,329 km (0.108 R)
• M2: 675,584 km (0.099 R)
• M3: 1,204,861 km (0.111 R)
• M4: 2,215,694 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.7

Radius: 9.9

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.58 AU - 0.82 AU

Year: 412 Days

Day: 14.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,754,044 km

• M1: 123,119 km (0.098 R)
• M2: 469,438 km (0.119 R)
• M3: 795,861 km (0.102 R)
• M4: 1,124,078 km (0.107 R)
• M5: 1,499,419 km (0.086 R)
• M6: 2,207,017 km (0.116 R)
• M7: 2,692,313 km (0.055 R)
• M8: 3,199,300 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.4

Radius: 9.7

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.87 AU - 1.13 AU

Year: 703 Days

Day: 10.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,754,044 km

• M1: 120,576 km (0.084 R)
• M2: 614,249 km (0.087 R)
• M3: 971,638 km (0.096 R)
• M4: 1,296,266 km (0.087 R)
• M5: 1,909,766 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.5

Radius: 12.9

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.39 AU - 3.81 AU

Year: 4801 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,754,044 km

• M1: 160,369 km (0.083 R)
• M2: 587,022 km (0.06 R)
• M3: 1,098,497 km (0.052 R)
• M4: 1,559,109 km (0.047 R)
• M5: 2,194,451 km (0.09 R)
• M6: 2,675,708 km (0.074 R)
• M7: 3,346,504 km (0.111 R)
• M8: 4,057,842 km (0.103 R)
• M9: 4,738,513 km (0.08 R)
• M10: 5,522,405 km (0.083 R)
• M11: 7,042,021 km (0.067 R)
• M12: 7,880,965 km (0.075 R)
• M13: 9,303,641 km (0.046 R)
• M14: 9,800,007 km (0.116 R)
• M15: 10,270,492 km (0.113 R)
• M16: 12,853,599 km (0.101 R)
• M17: 16,492,268 km (0.087 R)
• M18: 17,159,325 km (0.107 R)
• M19: 18,676,995 km (0.105 R)
• M20: 23,766,165 km (0.033 R)
• M21: 28,055,884 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.5

Radius: 9

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.15 AU - 4.21 AU

Year: 6007 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,754,044 km

• M1: 111,899 km (0.092 R)
• M2: 406,308 km (0.095 R)
• M3: 971,489 km (0.109 R)
• M4: 1,413,849 km (0.094 R)
• M5: 1,710,203 km (0.086 R)
• M6: 2,064,151 km (0.028 R)
• M7: 3,276,792 km (0.08 R)
• M8: 3,731,569 km (0.116 R)
• M9: 4,492,274 km (0.087 R)
• M10: 6,879,707 km (0.069 R)
• M11: 7,473,162 km (0.025 R)
• M12: 8,262,739 km (0.093 R)
• M13: 9,459,971 km (0.095 R)
• M14: 9,776,520 km (0.054 R)
• M15: 10,147,074 km (0.116 R)
• M16: 11,114,374 km (0.104 R)
• M17: 14,444,722 km (0.08 R)
• M18: 16,047,364 km (0.095 R)
• M19: 19,969,371 km (0.091 R)
• M20: 20,717,660 km (0.104 R)
• M21: 22,912,410 km (0.094 R)
• M22: 24,402,554 km (0.066 R)
• M23: 25,518,255 km (0.113 R)
• M24: 26,310,376 km (0.117 R)
• M25: 27,943,536 km (0.104 R)
• M26: 29,739,608 km (0.071 R)
• M27: 34,086,024 km (0.085 R)
• M28: 34,404,219 km (0.076 R)
• M29: 35,154,452 km (0.038 R)
• M30: 36,355,125 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.4

Radius: 11.3

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.6 AU - 5.74 AU

Year: 8263 Days

Day: 11.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,754,044 km

• M1: 158,275 km (0.107 R)
• M2: 545,434 km (0.1 R)
• M3: 916,736 km (0.037 R)
• M4: 1,430,156 km (0.055 R)
• M5: 1,980,526 km (0.056 R)
• M6: 3,803,526 km (0.103 R)
• M7: 4,415,531 km (0.11 R)
• M8: 5,063,888 km (0.08 R)
• M9: 6,450,062 km (0.057 R)
• M10: 6,929,074 km (0.096 R)
• M11: 7,321,918 km (0.051 R)
• M12: 8,231,324 km (0.091 R)
• M13: 9,867,326 km (0.062 R)
• M14: 11,072,187 km (0.028 R)
• M15: 12,581,480 km (0.097 R)
• M16: 19,365,295 km (0.037 R)
• M17: 19,789,405 km (0.113 R)
• M18: 22,776,874 km (0.12 R)
• M19: 26,483,161 km (0.12 R)
• M20: 27,181,634 km (0.039 R)
• M21: 33,725,942 km (0.058 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: 208 - 18,606 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit