🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.6

Radius: 10.6

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.72 AU - 0.84 AU

Year: 459 Days

Day: 13.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,379,217 km

• M1: 132,095 km (0.074 R)
• M2: 504,594 km (0.101 R)
• M3: 877,092 km (0.099 R)
• M4: 1,682,228 km (0.107 R)
• M5: 2,082,552 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.3

Radius: 9.1

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.72 AU - 1.14 AU

Year: 598 Days

Day: 5.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,379,217 km

• M1: 113,246 km (0.097 R)
• M2: 400,025 km (0.105 R)
• M3: 824,284 km (0.084 R)
• M4: 1,641,388 km (0.064 R)
• M5: 2,055,475 km (0.086 R)
• M6: 2,457,893 km (0.108 R)
• M7: 3,025,617 km (0.082 R)
• M8: 3,409,186 km (0.099 R)
• M9: 4,073,700 km (0.067 R)
• M10: 4,885,717 km (0.068 R)
• M11: 5,553,821 km (0.088 R)
• M12: 6,131,119 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.1

Radius: 10.7

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.53 AU - 1.75 AU

Year: 1401 Days

Day: 13.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,379,217 km

• M1: 133,142 km (0.1 R)
• M2: 467,643 km (0.053 R)
• M3: 1,120,787 km (0.095 R)
• M4: 1,777,073 km (0.119 R)
• M5: 2,234,095 km (0.09 R)
• M6: 2,568,446 km (0.114 R)
• M7: 3,498,945 km (0.09 R)
• M8: 3,849,153 km (0.111 R)
• M9: 4,278,200 km (0.069 R)
• M10: 4,620,779 km (0.07 R)
• M11: 5,275,569 km (0.12 R)
• M12: 5,898,195 km (0.03 R)
• M13: 7,001,031 km (0.094 R)
• M14: 7,642,806 km (0.108 R)
• M15: 8,799,347 km (0.105 R)
• M16: 9,261,754 km (0.039 R)
• M17: 11,492,707 km (0.087 R)
• M18: 12,655,381 km (0.118 R)
• M19: 13,567,330 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.8

Radius: 9

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.63 AU - 2.03 AU

Year: 1651 Days

Day: 8.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,379,217 km

• M1: 111,899 km (0.112 R)
• M2: 461,659 km (0.067 R)
• M3: 900,430 km (0.11 R)
• M4: 1,766,900 km (0.077 R)
• M5: 2,341,955 km (0.047 R)
• M6: 3,065,709 km (0.115 R)
• M7: 3,567,161 km (0.082 R)
• M8: 4,087,163 km (0.044 R)
• M9: 6,161,188 km (0.069 R)
• M10: 7,139,110 km (0.102 R)
• M11: 7,692,173 km (0.11 R)
• M12: 8,913,939 km (0.109 R)
• M13: 9,649,511 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.8

Radius: 11.7

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.31 AU - 6.07 AU

Year: 9051 Days

Day: 11.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,379,217 km

• M1: 145,559 km (0.065 R)
• M2: 982,708 km (0.114 R)
• M3: 1,378,395 km (0.059 R)
• M4: 1,931,907 km (0.053 R)
• M5: 2,538,227 km (0.07 R)
• M6: 3,509,416 km (0.066 R)
• M7: 4,328,315 km (0.065 R)
• M8: 5,120,885 km (0.103 R)
• M9: 6,287,299 km (0.039 R)
• M10: 8,672,189 km (0.082 R)
• M11: 9,287,036 km (0.082 R)
• M12: 10,603,946 km (0.111 R)
• M13: 12,992,425 km (0.089 R)
• M14: 14,090,175 km (0.047 R)
• M15: 15,561,470 km (0.025 R)
• M16: 15,984,682 km (0.112 R)
• M17: 17,870,214 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.4

Radius: 4.6

Gravity: 43.4 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.51 AU - 6.41 AU

Year: 9703 Days

Day: 19.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 90,379,217 km

• M1: 57,146 km (0.07 R)
• M2: 557,252 km (0.093 R)
• M3: 703,409 km (0.036 R)
• M4: 855,999 km (0.073 R)
• M5: 1,217,577 km (0.104 R)
• M6: 1,583,793 km (0.051 R)
• M7: 1,800,859 km (0.088 R)
• M8: 2,511,898 km (0.047 R)
• M9: 2,987,170 km (0.112 R)
• M10: 3,174,168 km (0.104 R)
• M11: 3,494,606 km (0.094 R)
• M12: 3,782,433 km (0.097 R)
• M13: 4,963,657 km (0.107 R)
• M14: 7,083,908 km (0.102 R)
• M15: 8,205,144 km (0.027 R)
• M16: 9,639,937 km (0.117 R)
• M17: 9,997,327 km (0.071 R)
• M18: 11,122,751 km (0.029 R)
• M19: 12,690,238 km (0.091 R)
• M20: 12,873,046 km (0.12 R)
• M21: 14,933,607 km (0.043 R)
• M22: 21,712,934 km (0.12 R)
• M23: 22,593,018 km (0.057 R)
• M24: 24,424,396 km (0.042 R)
• M25: 24,707,435 km (0.12 R)
• M26: 25,958,971 km (0.082 R)
• M27: 26,451,297 km (0.05 R)
• M28: 26,849,676 km (0.091 R)
• M29: 27,252,095 km (0.047 R)
• M30: 27,454,800 km (0.098 R)
• M31: 28,068,899 km (0.081 R)
• M32: 32,059,871 km (0.053 R)
• M33: 37,653,634 km (0.042 R)
• M34: 38,284,339 km (0.079 R)
• M35: 39,179,234 km (0.094 R)
• M36: 39,696,842 km (0.072 R)
• M37: 43,172,898 km (0.026 R)
• M38: 45,552,103 km (0.071 R)
• M39: 46,846,424 km (0.064 R)
• M40: 47,576,012 km (0.119 R)
• M41: 48,759,032 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867

Radius: 3.8

Gravity: 60.04 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.3 AU - 12.9 AU

Year: 23014 Days

Day: 25 Hours

Environment

Temp: -235 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 90,379,217 km

• M1: 47,273 km (0.081 R)
• M2: 259,702 km (0.056 R)
• M3: 383,569 km (0.093 R)
• M4: 600,785 km (0.08 R)
• M5: 759,060 km (0.072 R)
• M6: 932,593 km (0.113 R)
• M7: 1,146,368 km (0.069 R)
• M8: 1,311,674 km (0.041 R)
• M9: 1,458,729 km (0.086 R)
• M10: 2,009,099 km (0.108 R)
• M11: 2,510,701 km (0.119 R)
• M12: 3,176,860 km (0.062 R)
• M13: 4,810,918 km (0.066 R)
• M14: 5,043,243 km (0.026 R)
• M15: 5,656,744 km (0.105 R)
• M16: 5,915,698 km (0.088 R)
• M17: 9,012,973 km (0.114 R)
• M18: 10,480,677 km (0.11 R)
• M19: 11,271,152 km (0.109 R)
• M20: 13,879,840 km (0.105 R)
• M21: 14,192,350 km (0.106 R)
• M22: 14,350,475 km (0.083 R)
• M23: 14,912,813 km (0.084 R)
• M24: 16,513,361 km (0.056 R)
• M25: 19,754,698 km (0.087 R)
• M26: 20,249,867 km (0.103 R)
• M27: 21,680,172 km (0.11 R)
• M28: 22,634,457 km (0.082 R)
• M29: 23,067,393 km (0.074 R)
• M30: 30,766,298 km (0.119 R)
• M31: 35,043,750 km (0.083 R)
• M32: 37,098,926 km (0.098 R)
• M33: 41,609,002 km (0.11 R)
• M34: 44,247,011 km (0.107 R)
• M35: 44,415,458 km (0.118 R)
• M36: 47,345,632 km (0.087 R)
• M37: 54,355,938 km (0.07 R)
• M38: 57,303,315 km (0.107 R)
• M39: 68,118,792 km (0.114 R)
• M40: 69,701,837 km (0.098 R)
• M41: 70,387,743 km (0.057 R)
• M42: 70,617,226 km (0.12 R)
• M43: 76,521,405 km (0.059 R)
• M44: 82,746,023 km (0.097 R)
• M45: 87,430,980 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 13,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit