🌌 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: 143.3

Radius: 12.8

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.53 AU - 0.63 AU

Year: 305 Days

Day: 8.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,254,284 km

• M1: 159,172 km (0.091 R)
• M2: 580,589 km (0.105 R)
• M3: 1,030,430 km (0.11 R)
• M4: 1,931,009 km (0.106 R)
• M5: 2,453,704 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.5

Radius: 11.1

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.13 AU - 3.09 AU

Year: 2911 Days

Day: 13.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,254,284 km

• M1: 166,203 km (0.065 R)
• M2: 746,045 km (0.116 R)
• M3: 1,447,060 km (0.112 R)
• M4: 1,966,165 km (0.064 R)
• M5: 2,607,192 km (0.108 R)
• M6: 3,756,851 km (0.101 R)
• M7: 4,656,234 km (0.045 R)
• M8: 5,073,013 km (0.101 R)
• M9: 5,667,515 km (0.103 R)
• M10: 6,475,643 km (0.026 R)
• M11: 6,937,003 km (0.05 R)
• M12: 7,638,766 km (0.077 R)
• M13: 8,762,097 km (0.066 R)
• M14: 10,968,067 km (0.066 R)
• M15: 11,793,399 km (0.065 R)
• M16: 14,763,365 km (0.068 R)
• M17: 16,606,560 km (0.114 R)
• M18: 17,036,056 km (0.043 R)
• M19: 17,583,584 km (0.061 R)
• M20: 19,414,363 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.3

Radius: 8.6

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.18 AU - 3.86 AU

Year: 4559 Days

Day: 14.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,254,284 km

• M1: 106,962 km (0.111 R)
• M2: 473,477 km (0.084 R)
• M3: 790,176 km (0.042 R)
• M4: 1,134,849 km (0.12 R)
• M5: 1,579,305 km (0.077 R)
• M6: 2,318,169 km (0.094 R)
• M7: 2,982,832 km (0.051 R)
• M8: 3,682,202 km (0.086 R)
• M9: 4,813,910 km (0.066 R)
• M10: 5,459,873 km (0.091 R)
• M11: 6,378,255 km (0.072 R)
• M12: 7,056,532 km (0.113 R)
• M13: 7,675,418 km (0.104 R)
• M14: 9,421,674 km (0.097 R)
• M15: 9,959,777 km (0.12 R)
• M16: 10,694,153 km (0.082 R)
• M17: 11,051,991 km (0.099 R)
• M18: 12,962,506 km (0.078 R)
• M19: 15,647,788 km (0.074 R)
• M20: 20,270,811 km (0.099 R)
• M21: 22,090,220 km (0.101 R)
• M22: 24,863,166 km (0.054 R)
• M23: 25,176,125 km (0.105 R)
• M24: 28,452,917 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.3

Radius: 5.8

Gravity: 27.8 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.96 AU - 9.4 AU

Year: 16149 Days

Day: 17.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,254,284 km

• M1: 72,256 km (0.106 R)
• M2: 264,339 km (0.082 R)
• M3: 916,137 km (0.07 R)
• M4: 1,559,857 km (0.079 R)
• M5: 1,930,411 km (0.07 R)
• M6: 2,445,776 km (0.096 R)
• M7: 2,845,950 km (0.053 R)
• M8: 3,180,451 km (0.115 R)
• M9: 3,512,259 km (0.091 R)
• M10: 3,990,224 km (0.112 R)
• M11: 4,244,989 km (0.06 R)
• M12: 5,606,629 km (0.063 R)
• M13: 7,615,579 km (0.107 R)
• M14: 8,209,632 km (0.111 R)
• M15: 9,212,536 km (0.111 R)
• M16: 10,294,577 km (0.079 R)
• M17: 11,020,127 km (0.109 R)
• M18: 12,505,335 km (0.087 R)
• M19: 18,706,765 km (0.078 R)
• M20: 23,165,829 km (0.113 R)
• M21: 24,093,635 km (0.105 R)
• M22: 25,045,975 km (0.113 R)
• M23: 28,401,455 km (0.119 R)
• M24: 38,359,736 km (0.077 R)
• M25: 40,685,385 km (0.056 R)
• M26: 42,185,702 km (0.045 R)
• M27: 46,258,654 km (0.107 R)
• M28: 48,057,867 km (0.076 R)
• M29: 52,847,393 km (0.112 R)
• M30: 66,191,971 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.8

Radius: 5.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.17 AU - 10.11 AU

Year: 17530 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,254,284 km

• M1: 75,098 km (0.066 R)
• M2: 589,416 km (0.101 R)
• M3: 949,498 km (0.036 R)
• M4: 1,225,207 km (0.108 R)
• M5: 1,723,667 km (0.1 R)
• M6: 2,002,816 km (0.043 R)
• M7: 2,275,982 km (0.116 R)
• M8: 2,652,221 km (0.104 R)
• M9: 5,900,888 km (0.116 R)
• M10: 6,946,577 km (0.082 R)
• M11: 7,695,314 km (0.099 R)
• M12: 8,453,028 km (0.084 R)
• M13: 8,939,819 km (0.092 R)
• M14: 10,563,255 km (0.089 R)
• M15: 12,429,638 km (0.074 R)
• M16: 13,709,149 km (0.047 R)
• M17: 18,434,946 km (0.108 R)
• M18: 21,442,910 km (0.086 R)
• M19: 22,180,727 km (0.119 R)
• M20: 22,850,776 km (0.083 R)
• M21: 23,361,951 km (0.052 R)
• M22: 23,967,972 km (0.06 R)
• M23: 29,099,628 km (0.047 R)
• M24: 30,105,225 km (0.093 R)
• M25: 30,926,218 km (0.074 R)
• M26: 33,369,451 km (0.116 R)
• M27: 36,398,209 km (0.068 R)
• M28: 41,214,513 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 11,893 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit