🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.6

Radius: 9.2

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.48 AU - 0.68 AU

Year: 300 Days

Day: 14.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 33,600,727 km

• M1: 114,442 km (0.11 R)
• M2: 442,959 km (0.11 R)
• M3: 738,565 km (0.089 R)
• M4: 1,339,499 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.9

Radius: 13.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.55 AU - 3.41 AU

Year: 3489 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,600,727 km

• M1: 165,754 km (0.114 R)
• M2: 768,933 km (0.031 R)
• M3: 1,220,120 km (0.092 R)
• M4: 1,719,328 km (0.1 R)
• M5: 2,729,114 km (0.088 R)
• M6: 3,491,315 km (0.112 R)
• M7: 4,224,345 km (0.111 R)
• M8: 5,104,429 km (0.025 R)
• M9: 5,663,775 km (0.1 R)
• M10: 8,063,176 km (0.039 R)
• M11: 8,892,397 km (0.114 R)
• M12: 10,566,098 km (0.04 R)
• M13: 12,015,701 km (0.097 R)
• M14: 12,920,469 km (0.119 R)
• M15: 13,412,197 km (0.03 R)
• M16: 13,916,492 km (0.116 R)
• M17: 15,655,866 km (0.091 R)
• M18: 17,699,223 km (0.051 R)
• M19: 19,738,242 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.3

Radius: 11.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.03 AU - 4.81 AU

Year: 5264 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,600,727 km

• M1: 147,055 km (0.075 R)
• M2: 607,517 km (0.085 R)
• M3: 1,140,085 km (0.083 R)
• M4: 2,344,348 km (0.078 R)
• M5: 4,156,726 km (0.116 R)
• M6: 4,860,285 km (0.075 R)
• M7: 5,718,977 km (0.055 R)
• M8: 6,792,192 km (0.117 R)
• M9: 7,208,673 km (0.057 R)
• M10: 12,631,595 km (0.117 R)
• M11: 14,058,460 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.5

Radius: 10.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.44 AU - 5.28 AU

Year: 6175 Days

Day: 11.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,600,727 km

• M1: 135,087 km (0.092 R)
• M2: 507,137 km (0.107 R)
• M3: 1,299,407 km (0.101 R)
• M4: 2,230,355 km (0.11 R)
• M5: 2,644,142 km (0.069 R)
• M6: 4,587,419 km (0.077 R)
• M7: 5,216,777 km (0.055 R)
• M8: 6,836,623 km (0.112 R)
• M9: 7,396,418 km (0.11 R)
• M10: 8,231,473 km (0.05 R)
• M11: 9,328,624 km (0.113 R)
• M12: 9,912,355 km (0.095 R)
• M13: 11,344,156 km (0.031 R)
• M14: 12,129,695 km (0.087 R)
• M15: 12,867,212 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.5

Radius: 7.6

Gravity: 13.11 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.02 AU - 6.68 AU

Year: 10853 Days

Day: 16.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 33,600,727 km

• M1: 94,546 km (0.118 R)
• M2: 606,619 km (0.089 R)
• M3: 1,045,091 km (0.11 R)
• M4: 2,452,059 km (0.118 R)
• M5: 3,123,155 km (0.099 R)
• M6: 3,695,815 km (0.086 R)
• M7: 5,450,598 km (0.056 R)
• M8: 6,985,323 km (0.099 R)
• M9: 8,599,783 km (0.119 R)
• M10: 9,271,029 km (0.061 R)
• M11: 9,720,570 km (0.091 R)
• M12: 10,609,481 km (0.065 R)
• M13: 11,157,009 km (0.111 R)
• M14: 14,312,477 km (0.079 R)
• M15: 15,048,947 km (0.068 R)
• M16: 15,600,216 km (0.108 R)
• M17: 16,022,381 km (0.069 R)
• M18: 17,260,154 km (0.064 R)
• M19: 17,787,935 km (0.079 R)
• M20: 18,717,686 km (0.111 R)
• M21: 21,614,050 km (0.067 R)
• M22: 23,396,509 km (0.092 R)
• M23: 27,556,676 km (0.115 R)
• M24: 28,277,438 km (0.082 R)
• M25: 31,509,800 km (0.104 R)
• M26: 34,741,263 km (0.05 R)
• M27: 35,582,452 km (0.089 R)
• M28: 38,187,250 km (0.107 R)
• M29: 40,916,364 km (0.114 R)
• M30: 41,450,578 km (0.05 R)
• M31: 44,191,510 km (0.113 R)
• M32: 46,469,587 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.1

Radius: 4.3

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.83 AU - 8.45 AU

Year: 15752 Days

Day: 20.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,600,727 km

• M1: 91,255 km (0.068 R)
• M2: 272,867 km (0.106 R)
• M3: 467,045 km (0.119 R)
• M4: 721,211 km (0.083 R)
• M5: 2,702,186 km (0.114 R)
• M6: 2,969,967 km (0.107 R)
• M7: 4,272,066 km (0.108 R)
• M8: 4,635,739 km (0.114 R)
• M9: 5,019,607 km (0.096 R)
• M10: 5,219,470 km (0.117 R)
• M11: 7,445,636 km (0.082 R)
• M12: 8,847,667 km (0.116 R)
• M13: 10,836,271 km (0.081 R)
• M14: 15,428,627 km (0.03 R)
• M15: 16,909,646 km (0.045 R)
• M16: 17,358,739 km (0.042 R)
• M17: 17,815,910 km (0.072 R)
• M18: 18,754,187 km (0.119 R)
• M19: 19,724,778 km (0.074 R)
• M20: 22,297,114 km (0.072 R)
• M21: 27,037,422 km (0.062 R)
• M22: 27,651,371 km (0.106 R)
• M23: 28,544,471 km (0.119 R)
• M24: 28,906,946 km (0.106 R)
• M25: 32,211,414 km (0.112 R)
• M26: 32,505,822 km (0.058 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 19,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit