🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.84 AU - 1.18 AU

Year: 387 Days

Day: 26.8 Hours

Environment

Temp: -1 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.03 AU - 1.07 AU

Year: 410 Days

Day: 20.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 1.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 8.41 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 15.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.6

Radius: 6.6

Gravity: 17.02 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 15.08 AU - 16.46 AU

Year: 23848 Days

Day: 17.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,651,449 km

• M1: 82,129 km (0.117 R)
• M2: 297,999 km (0.094 R)
• M3: 693,685 km (0.091 R)
• M4: 978,968 km (0.037 R)
• M5: 3,910,189 km (0.09 R)
• M6: 6,446,471 km (0.086 R)
• M7: 6,867,589 km (0.038 R)
• M8: 7,558,732 km (0.052 R)
• M9: 8,625,364 km (0.114 R)
• M10: 14,844,896 km (0.117 R)
• M11: 15,578,823 km (0.106 R)
• M12: 16,942,856 km (0.099 R)
• M13: 17,474,378 km (0.112 R)
• M14: 21,407,754 km (0.11 R)
• M15: 26,836,512 km (0.108 R)
• M16: 28,665,495 km (0.04 R)
• M17: 33,391,442 km (0.119 R)
• M18: 33,807,174 km (0.083 R)
• M19: 34,226,347 km (0.096 R)
• M20: 43,521,013 km (0.111 R)
• M21: 49,187,780 km (0.077 R)
• M22: 65,139,251 km (0.104 R)
• M23: 66,879,822 km (0.086 R)
• M24: 73,683,234 km (0.101 R)
• M25: 76,769,439 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.7

Radius: 3

Gravity: 40.74 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 16.03 AU - 18.77 AU

Year: 27639 Days

Day: 23.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,651,449 km

• M1: 37,250 km (0.118 R)
• M2: 201,808 km (0.104 R)
• M3: 1,109,717 km (0.077 R)
• M4: 2,211,057 km (0.087 R)
• M5: 2,454,901 km (0.103 R)
• M6: 2,841,013 km (0.069 R)
• M7: 2,995,697 km (0.105 R)
• M8: 3,793,503 km (0.075 R)
• M9: 3,981,248 km (0.089 R)
• M10: 5,473,636 km (0.092 R)
• M11: 6,300,314 km (0.114 R)
• M12: 8,144,856 km (0.09 R)
• M13: 8,670,094 km (0.107 R)
• M14: 9,845,784 km (0.116 R)
• M15: 9,962,919 km (0.059 R)
• M16: 10,502,070 km (0.088 R)
• M17: 17,771,629 km (0.118 R)
• M18: 18,032,827 km (0.105 R)
• M19: 19,469,415 km (0.037 R)
• M20: 23,809,848 km (0.119 R)
• M21: 26,428,708 km (0.093 R)
• M22: 27,690,715 km (0.108 R)
• M23: 33,536,551 km (0.071 R)
• M24: 34,606,924 km (0.064 R)
• M25: 39,116,851 km (0.113 R)
• M26: 44,480,683 km (0.057 R)
• M27: 58,344,366 km (0.092 R)
• M28: 59,114,047 km (0.114 R)
• M29: 59,501,506 km (0.06 R)
• M30: 60,085,686 km (0.077 R)
• M31: 62,260,689 km (0.098 R)
• M32: 64,078,902 km (0.105 R)
• M33: 70,394,325 km (0.108 R)
• M34: 70,611,691 km (0.096 R)
• M35: 71,485,791 km (0.105 R)
• M36: 74,375,873 km (0.037 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 11,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit