🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.03 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.72 AU - 2.4 AU

Year: 1034 Days

Day: 20.9 Hours

Environment

Temp: -59 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.6

Radius: 14.2

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.51 AU - 10.49 AU

Year: 8670 Days

Day: 8.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 99,356,345 km

• M1: 176,675 km (0.097 R)
• M2: 856,149 km (0.098 R)
• M3: 1,348,774 km (0.103 R)
• M4: 2,224,820 km (0.119 R)
• M5: 2,968,321 km (0.098 R)
• M6: 3,432,673 km (0.036 R)
• M7: 5,489,494 km (0.115 R)
• M8: 7,712,069 km (0.079 R)
• M9: 10,103,242 km (0.102 R)
• M10: 10,722,427 km (0.11 R)
• M11: 11,672,972 km (0.08 R)
• M12: 13,008,582 km (0.089 R)
• M13: 13,513,624 km (0.11 R)
• M14: 15,230,559 km (0.103 R)
• M15: 16,173,774 km (0.075 R)
• M16: 18,951,208 km (0.115 R)
• M17: 20,792,907 km (0.059 R)
• M18: 24,067,754 km (0.099 R)
• M19: 28,228,221 km (0.094 R)
• M20: 29,747,686 km (0.12 R)
• M21: 32,434,314 km (0.09 R)
• M22: 35,170,908 km (0.107 R)
• M23: 35,933,109 km (0.08 R)
• M24: 37,603,818 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.4

Radius: 11

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 9.05 AU - 13.27 AU

Year: 13043 Days

Day: 13.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 99,356,345 km

• M1: 138,228 km (0.114 R)
• M2: 1,013,077 km (0.078 R)
• M3: 1,528,292 km (0.055 R)
• M4: 2,272,990 km (0.059 R)
• M5: 2,996,894 km (0.066 R)
• M6: 3,400,060 km (0.107 R)
• M7: 5,760,565 km (0.034 R)
• M8: 8,300,737 km (0.066 R)
• M9: 8,644,962 km (0.071 R)
• M10: 9,257,266 km (0.057 R)
• M11: 11,091,186 km (0.045 R)
• M12: 11,691,822 km (0.079 R)
• M13: 12,062,675 km (0.047 R)
• M14: 21,142,817 km (0.087 R)
• M15: 22,254,628 km (0.058 R)
• M16: 27,854,076 km (0.085 R)
• M17: 31,748,259 km (0.079 R)
• M18: 33,082,073 km (0.103 R)
• M19: 40,597,571 km (0.102 R)
• M20: 41,021,980 km (0.108 R)
• M21: 48,857,169 km (0.045 R)
• M22: 53,802,575 km (0.096 R)
• M23: 58,710,283 km (0.061 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.6

Radius: 3.8

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 14.23 AU - 16.43 AU

Year: 20999 Days

Day: 18.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 99,356,345 km

• M1: 47,273 km (0.061 R)
• M2: 182,958 km (0.053 R)
• M3: 486,193 km (0.08 R)
• M4: 683,064 km (0.111 R)
• M5: 1,273,676 km (0.085 R)
• M6: 1,453,493 km (0.112 R)
• M7: 1,739,674 km (0.051 R)
• M8: 1,912,459 km (0.1 R)
• M9: 2,062,207 km (0.069 R)
• M10: 4,297,648 km (0.056 R)
• M11: 5,133,601 km (0.069 R)
• M12: 5,423,820 km (0.103 R)
• M13: 8,682,212 km (0.086 R)
• M14: 9,001,453 km (0.101 R)
• M15: 14,455,493 km (0.054 R)
• M16: 18,230,146 km (0.028 R)
• M17: 20,622,366 km (0.088 R)
• M18: 21,519,205 km (0.111 R)
• M19: 22,783,606 km (0.078 R)
• M20: 24,908,345 km (0.042 R)
• M21: 33,491,672 km (0.039 R)
• M22: 41,630,395 km (0.03 R)
• M23: 44,790,650 km (0.035 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.8

Radius: 3.9

Gravity: 51.93 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 16.48 AU - 20.48 AU

Year: 27793 Days

Day: 21.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 99,356,345 km

• M1: 48,619 km (0.081 R)
• M2: 177,124 km (0.099 R)
• M3: 608,564 km (0.098 R)
• M4: 762,500 km (0.089 R)
• M5: 1,225,506 km (0.083 R)
• M6: 1,981,573 km (0.114 R)
• M7: 4,126,508 km (0.042 R)
• M8: 4,269,972 km (0.049 R)
• M9: 4,681,815 km (0.071 R)
• M10: 6,030,440 km (0.115 R)
• M11: 6,168,818 km (0.119 R)
• M12: 6,404,135 km (0.091 R)
• M13: 6,943,136 km (0.041 R)
• M14: 8,279,345 km (0.12 R)
• M15: 8,740,704 km (0.106 R)
• M16: 9,905,025 km (0.042 R)
• M17: 11,238,390 km (0.104 R)
• M18: 11,448,127 km (0.081 R)
• M19: 12,313,550 km (0.108 R)
• M20: 12,762,344 km (0.1 R)
• M21: 13,613,107 km (0.055 R)
• M22: 15,685,935 km (0.105 R)
• M23: 19,726,873 km (0.084 R)
• M24: 20,548,165 km (0.061 R)
• M25: 22,258,518 km (0.106 R)
• M26: 23,946,131 km (0.045 R)
• M27: 29,517,156 km (0.106 R)
• M28: 29,783,141 km (0.108 R)
• M29: 33,099,426 km (0.099 R)
• M30: 35,893,017 km (0.076 R)
• M31: 40,453,807 km (0.118 R)
• M32: 44,857,969 km (0.113 R)
• M33: 47,538,613 km (0.109 R)
• M34: 57,449,322 km (0.068 R)
• M35: 61,251,502 km (0.111 R)
• M36: 62,555,098 km (0.066 R)
• M37: 67,493,623 km (0.095 R)
• M38: 89,012,528 km (0.055 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 16,677 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit