🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.42 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450

Radius: 14.1

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.76 AU - 2.92 AU

Year: 3140 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,060,431 km

• M1: 175,628 km (0.086 R)
• M2: 794,514 km (0.084 R)
• M3: 1,272,330 km (0.118 R)
• M4: 2,056,223 km (0.118 R)
• M5: 2,516,835 km (0.045 R)
• M6: 3,031,002 km (0.106 R)
• M7: 3,763,583 km (0.116 R)
• M8: 4,233,620 km (0.107 R)
• M9: 5,733,937 km (0.068 R)
• M10: 6,279,071 km (0.072 R)
• M11: 8,449,288 km (0.111 R)
• M12: 9,437,082 km (0.107 R)
• M13: 9,977,580 km (0.051 R)
• M14: 10,500,574 km (0.087 R)
• M15: 11,888,692 km (0.104 R)
• M16: 15,765,820 km (0.067 R)
• M17: 16,683,603 km (0.04 R)
• M18: 18,181,976 km (0.083 R)
• M19: 19,134,316 km (0.114 R)

Planet 2 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.2

Radius: 4.5

Gravity: 37.15 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.88 AU - 9.56 AU

Year: 15460 Days

Day: 21 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,060,431 km

• M1: 56,099 km (0.077 R)
• M2: 204,500 km (0.073 R)
• M3: 403,914 km (0.088 R)
• M4: 1,460,075 km (0.089 R)
• M5: 1,617,751 km (0.116 R)
• M6: 2,062,356 km (0.119 R)
• M7: 2,241,126 km (0.104 R)
• M8: 2,937,205 km (0.082 R)
• M9: 3,652,432 km (0.097 R)
• M10: 4,065,921 km (0.113 R)
• M11: 4,220,904 km (0.065 R)
• M12: 4,542,839 km (0.064 R)
• M13: 6,075,918 km (0.107 R)
• M14: 6,784,263 km (0.057 R)
• M15: 7,136,118 km (0.077 R)
• M16: 8,413,384 km (0.079 R)
• M17: 12,162,008 km (0.091 R)
• M18: 12,879,030 km (0.037 R)
• M19: 14,830,834 km (0.097 R)
• M20: 16,891,395 km (0.109 R)
• M21: 28,149,831 km (0.096 R)
• M22: 34,647,016 km (0.111 R)
• M23: 36,480,937 km (0.089 R)
• M24: 37,966,593 km (0.075 R)
• M25: 40,198,893 km (0.044 R)
• M26: 40,483,877 km (0.081 R)
• M27: 41,783,284 km (0.103 R)
• M28: 42,369,558 km (0.095 R)
• M29: 49,022,923 km (0.105 R)
• M30: 52,172,257 km (0.075 R)
• M31: 53,365,749 km (0.053 R)
• M32: 56,518,076 km (0.116 R)
• M33: 56,875,764 km (0.046 R)
• M34: 60,163,626 km (0.115 R)
• M35: 60,723,571 km (0.078 R)

Planet 3 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.7

Radius: 4.2

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 8.04 AU - 13.02 AU

Year: 22416 Days

Day: 23 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,060,431 km

• M1: 52,210 km (0.084 R)
• M2: 197,020 km (0.116 R)
• M3: 416,331 km (0.12 R)
• M4: 874,848 km (0.084 R)
• M5: 1,078,750 km (0.049 R)
• M6: 1,408,763 km (0.07 R)
• M7: 1,658,741 km (0.085 R)
• M8: 2,061,608 km (0.118 R)
• M9: 2,305,453 km (0.11 R)
• M10: 2,568,296 km (0.099 R)
• M11: 2,850,737 km (0.09 R)
• M12: 3,529,463 km (0.104 R)
• M13: 4,076,243 km (0.038 R)
• M14: 4,708,892 km (0.109 R)
• M15: 5,651,060 km (0.115 R)
• M16: 6,166,424 km (0.071 R)
• M17: 7,080,168 km (0.064 R)
• M18: 9,986,705 km (0.041 R)
• M19: 10,144,680 km (0.044 R)
• M20: 11,642,305 km (0.105 R)
• M21: 14,122,637 km (0.077 R)
• M22: 16,271,461 km (0.113 R)
• M23: 20,517,647 km (0.079 R)
• M24: 23,631,527 km (0.085 R)
• M25: 37,179,110 km (0.074 R)
• M26: 37,558,789 km (0.067 R)
• M27: 39,496,231 km (0.055 R)
• M28: 40,824,212 km (0.109 R)
• M29: 45,851,299 km (0.101 R)
• M30: 48,212,103 km (0.107 R)
• M31: 49,117,918 km (0.1 R)
• M32: 49,422,349 km (0.037 R)
• M33: 53,014,344 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.8

Radius: 7.4

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 10.05 AU - 12.09 AU

Year: 24162 Days

Day: 17.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,060,431 km

• M1: 92,003 km (0.117 R)
• M2: 372,798 km (0.037 R)
• M3: 692,638 km (0.067 R)
• M4: 1,051,972 km (0.093 R)
• M5: 1,392,158 km (0.094 R)
• M6: 1,933,552 km (0.038 R)
• M7: 2,382,047 km (0.115 R)
• M8: 5,932,154 km (0.086 R)
• M9: 7,245,025 km (0.115 R)
• M10: 7,625,602 km (0.112 R)
• M11: 8,119,873 km (0.073 R)
• M12: 13,862,636 km (0.098 R)
• M13: 15,283,517 km (0.11 R)
• M14: 15,989,469 km (0.093 R)
• M15: 16,229,574 km (0.11 R)
• M16: 20,218,601 km (0.094 R)
• M17: 24,497,100 km (0.068 R)
• M18: 27,242,969 km (0.115 R)
• M19: 29,342,575 km (0.103 R)
• M20: 32,948,482 km (0.066 R)
• M21: 36,147,483 km (0.032 R)
• M22: 36,839,074 km (0.036 R)
• M23: 41,175,019 km (0.108 R)
• M24: 45,038,533 km (0.116 R)
• M25: 47,140,084 km (0.088 R)
• M26: 50,156,576 km (0.117 R)
• M27: 52,943,734 km (0.091 R)
• M28: 56,942,335 km (0.114 R)
• M29: 57,878,369 km (0.114 R)
• M30: 61,333,182 km (0.076 R)
• M31: 69,073,077 km (0.056 R)
• M32: 71,429,393 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 20,143 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit