🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.98 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.59 AU - 2.31 AU

Year: 1031 Days

Day: 17.6 Hours

Environment

Temp: -71 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.09 AU - 2.25 AU

Year: 1211 Days

Day: 41 Hours

Environment

Temp: -86 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.07 AU - 3.63 AU

Year: 2322 Days

Day: 15.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 16.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.2

Radius: 3.3

Gravity: 35.19 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 12.8 AU - 20.18 AU

Year: 25362 Days

Day: 15.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,286,076 km

• M1: 44,431 km (0.095 R)
• M2: 194,926 km (0.108 R)
• M3: 414,536 km (0.099 R)
• M4: 750,383 km (0.106 R)
• M5: 1,669,811 km (0.101 R)
• M6: 1,794,576 km (0.087 R)
• M7: 3,353,087 km (0.073 R)
• M8: 4,230,329 km (0.099 R)
• M9: 5,557,860 km (0.095 R)
• M10: 6,685,978 km (0.12 R)
• M11: 7,614,083 km (0.115 R)
• M12: 8,261,542 km (0.118 R)
• M13: 8,624,916 km (0.037 R)
• M14: 9,495,276 km (0.119 R)
• M15: 9,664,770 km (0.057 R)
• M16: 10,846,893 km (0.097 R)
• M17: 13,351,909 km (0.114 R)
• M18: 13,707,802 km (0.084 R)
• M19: 13,996,975 km (0.094 R)
• M20: 14,364,238 km (0.04 R)
• M21: 15,426,682 km (0.114 R)
• M22: 22,920,488 km (0.119 R)
• M23: 27,441,186 km (0.116 R)
• M24: 29,070,756 km (0.12 R)
• M25: 36,648,935 km (0.069 R)
• M26: 40,665,189 km (0.08 R)
• M27: 54,634,489 km (0.103 R)
• M28: 62,584,269 km (0.113 R)
• M29: 64,989,504 km (0.114 R)
• M30: 69,133,963 km (0.049 R)
• M31: 69,983,529 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.5

Radius: 3.8

Gravity: 33.21 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 15.22 AU - 22.4 AU

Year: 30898 Days

Day: 16.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 90,286,076 km

• M1: 47,722 km (0.115 R)
• M2: 250,128 km (0.106 R)
• M3: 547,678 km (0.115 R)
• M4: 726,746 km (0.091 R)
• M5: 1,233,434 km (0.095 R)
• M6: 2,508,158 km (0.099 R)
• M7: 3,116,423 km (0.089 R)
• M8: 3,916,173 km (0.079 R)
• M9: 4,959,917 km (0.111 R)
• M10: 6,266,655 km (0.104 R)
• M11: 7,629,791 km (0.06 R)
• M12: 7,945,741 km (0.071 R)
• M13: 8,491,474 km (0.114 R)
• M14: 8,945,803 km (0.116 R)
• M15: 13,481,760 km (0.108 R)
• M16: 13,865,628 km (0.098 R)
• M17: 14,256,677 km (0.07 R)
• M18: 15,060,766 km (0.068 R)
• M19: 16,409,540 km (0.093 R)
• M20: 16,583,522 km (0.074 R)
• M21: 16,935,377 km (0.032 R)
• M22: 21,037,500 km (0.097 R)
• M23: 25,638,382 km (0.066 R)
• M24: 27,066,444 km (0.112 R)
• M25: 27,187,767 km (0.041 R)
• M26: 27,431,462 km (0.083 R)
• M27: 29,051,757 km (0.117 R)
• M28: 32,893,729 km (0.068 R)
• M29: 33,588,612 km (0.105 R)
• M30: 34,863,933 km (0.097 R)
• M31: 38,422,119 km (0.071 R)
• M32: 39,503,711 km (0.096 R)
• M33: 40,288,651 km (0.1 R)
• M34: 40,446,926 km (0.095 R)
• M35: 48,181,734 km (0.059 R)
• M36: 49,438,955 km (0.087 R)
• M37: 56,845,695 km (0.045 R)
• M38: 62,384,855 km (0.065 R)
• M39: 65,175,753 km (0.103 R)
• M40: 86,023,563 km (0.099 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 15,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit