🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.3 AU - 1.6 AU

Year: 622 Days

Day: 40.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.5

Radius: 8.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.98 AU - 6.08 AU

Year: 4635 Days

Day: 9.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 99,160,226 km

• M1: 106,962 km (0.077 R)
• M2: 499,208 km (0.096 R)
• M3: 1,036,713 km (0.089 R)
• M4: 1,655,300 km (0.082 R)
• M5: 2,262,668 km (0.069 R)
• M6: 2,658,354 km (0.05 R)
• M7: 3,190,025 km (0.07 R)
• M8: 4,396,532 km (0.075 R)
• M9: 5,397,790 km (0.108 R)
• M10: 6,366,885 km (0.098 R)
• M11: 6,754,942 km (0.063 R)
• M12: 7,480,043 km (0.107 R)
• M13: 8,827,022 km (0.12 R)
• M14: 9,615,852 km (0.059 R)
• M15: 10,328,835 km (0.097 R)
• M16: 10,615,315 km (0.048 R)
• M17: 12,493,965 km (0.042 R)
• M18: 13,781,105 km (0.083 R)
• M19: 16,560,634 km (0.114 R)
• M20: 18,348,927 km (0.092 R)
• M21: 18,648,871 km (0.114 R)
• M22: 22,715,539 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.5

Radius: 10.2

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.96 AU - 6.04 AU

Year: 5239 Days

Day: 7.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 99,160,226 km

• M1: 154,235 km (0.087 R)
• M2: 971,638 km (0.06 R)
• M3: 1,316,012 km (0.105 R)
• M4: 1,671,756 km (0.094 R)
• M5: 3,591,097 km (0.109 R)
• M6: 4,297,648 km (0.101 R)
• M7: 6,454,999 km (0.054 R)
• M8: 13,697,480 km (0.119 R)
• M9: 20,552,204 km (0.05 R)
• M10: 24,746,779 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.6

Radius: 12.7

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.82 AU - 6.62 AU

Year: 5529 Days

Day: 6.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 99,160,226 km

• M1: 160,070 km (0.066 R)
• M2: 610,958 km (0.102 R)
• M3: 1,189,303 km (0.077 R)
• M4: 1,675,795 km (0.106 R)
• M5: 2,852,981 km (0.084 R)
• M6: 3,338,426 km (0.095 R)
• M7: 5,577,906 km (0.057 R)
• M8: 7,265,669 km (0.1 R)
• M9: 8,047,767 km (0.068 R)
• M10: 9,271,777 km (0.086 R)
• M11: 9,669,558 km (0.077 R)
• M12: 10,616,213 km (0.113 R)
• M13: 11,092,084 km (0.047 R)
• M14: 11,499,588 km (0.119 R)
• M15: 12,215,265 km (0.113 R)
• M16: 14,016,572 km (0.068 R)
• M17: 14,541,511 km (0.085 R)
• M18: 15,228,764 km (0.114 R)
• M19: 16,195,765 km (0.099 R)
• M20: 16,934,329 km (0.112 R)
• M21: 17,475,425 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 20.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.2

Radius: 6.1

Gravity: 15.92 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 20.03 AU - 20.07 AU

Year: 32001 Days

Day: 22.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 99,160,226 km

• M1: 82,129 km (0.098 R)
• M2: 371,751 km (0.062 R)
• M3: 588,817 km (0.053 R)
• M4: 788,231 km (0.07 R)
• M5: 2,004,611 km (0.097 R)
• M6: 2,671,668 km (0.119 R)
• M7: 4,360,628 km (0.051 R)
• M8: 5,599,149 km (0.098 R)
• M9: 5,998,725 km (0.119 R)
• M10: 7,260,583 km (0.075 R)
• M11: 8,690,140 km (0.05 R)
• M12: 9,720,271 km (0.08 R)
• M13: 10,232,345 km (0.115 R)
• M14: 11,733,111 km (0.071 R)
• M15: 12,535,853 km (0.108 R)
• M16: 14,994,943 km (0.051 R)
• M17: 16,561,083 km (0.08 R)
• M18: 19,709,968 km (0.081 R)
• M19: 21,371,253 km (0.038 R)
• M20: 21,692,888 km (0.076 R)
• M21: 21,909,057 km (0.087 R)
• M22: 28,304,067 km (0.106 R)
• M23: 28,821,975 km (0.096 R)
• M24: 31,784,162 km (0.082 R)
• M25: 35,539,218 km (0.037 R)
• M26: 36,445,931 km (0.076 R)
• M27: 41,211,820 km (0.061 R)
• M28: 49,861,718 km (0.058 R)
• M29: 53,517,292 km (0.111 R)
• M30: 58,176,518 km (0.116 R)
• M31: 59,646,466 km (0.067 R)
• M32: 60,925,977 km (0.091 R)
• M33: 62,223,738 km (0.105 R)
• M34: 67,139,674 km (0.088 R)
• M35: 79,262,038 km (0.085 R)
• M36: 81,588,285 km (0.109 R)
• M37: 85,028,288 km (0.1 R)
• M38: 90,787,507 km (0.114 R)
• M39: 93,619,095 km (0.11 R)
• M40: 96,509,027 km (0.118 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 13,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit