🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.2

Radius: 13.7

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.49 AU - 0.61 AU

Year: 272 Days

Day: 12.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 153.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,977,260 km

• M1: 170,392 km (0.079 R)
• M2: 824,284 km (0.119 R)
• M3: 1,305,541 km (0.119 R)
• M4: 1,825,992 km (0.12 R)
• M5: 2,272,691 km (0.092 R)
• M6: 2,933,315 km (0.115 R)
• M7: 3,867,404 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952

Radius: 11.2

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.52 AU - 0.8 AU

Year: 358 Days

Day: 13.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,977,260 km

• M1: 139,425 km (0.101 R)
• M2: 507,436 km (0.067 R)
• M3: 968,646 km (0.109 R)
• M4: 1,351,018 km (0.11 R)
• M5: 2,016,878 km (0.081 R)
• M6: 2,587,594 km (0.11 R)
• M7: 3,084,110 km (0.046 R)
• M8: 3,545,918 km (0.053 R)
• M9: 4,080,282 km (0.044 R)
• M10: 4,594,899 km (0.078 R)
• M11: 4,951,540 km (0.084 R)
• M12: 5,342,888 km (0.095 R)
• M13: 5,737,826 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.3

Radius: 10.1

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.03 AU - 1.63 AU

Year: 1023 Days

Day: 8.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,977,260 km

• M1: 125,662 km (0.073 R)
• M2: 593,604 km (0.09 R)
• M3: 923,617 km (0.105 R)
• M4: 1,466,658 km (0.086 R)
• M5: 1,849,179 km (0.105 R)
• M6: 2,740,035 km (0.079 R)
• M7: 3,260,186 km (0.101 R)
• M8: 4,176,025 km (0.114 R)
• M9: 4,581,734 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.3

Radius: 13.7

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.56 AU - 1.82 AU

Year: 1465 Days

Day: 8.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,977,260 km

• M1: 170,392 km (0.064 R)
• M2: 599,139 km (0.049 R)
• M3: 1,148,463 km (0.112 R)
• M4: 1,621,641 km (0.106 R)
• M5: 2,293,335 km (0.117 R)
• M6: 3,131,831 km (0.119 R)
• M7: 3,724,538 km (0.039 R)
• M8: 4,462,355 km (0.029 R)
• M9: 6,435,102 km (0.101 R)
• M10: 7,297,983 km (0.114 R)
• M11: 7,836,236 km (0.077 R)
• M12: 8,345,916 km (0.082 R)
• M13: 9,402,376 km (0.093 R)
• M14: 9,916,843 km (0.118 R)
• M15: 10,903,441 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.3

Radius: 14.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.54 AU - 2.42 AU

Year: 1858 Days

Day: 7.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,977,260 km

• M1: 183,257 km (0.102 R)
• M2: 671,096 km (0.067 R)
• M3: 1,367,474 km (0.102 R)
• M4: 1,835,566 km (0.065 R)
• M5: 2,660,299 km (0.074 R)
• M6: 3,737,404 km (0.116 R)
• M7: 4,376,785 km (0.108 R)
• M8: 4,955,429 km (0.09 R)
• M9: 5,919,289 km (0.069 R)
• M10: 6,379,003 km (0.049 R)
• M11: 7,198,350 km (0.027 R)
• M12: 7,697,558 km (0.059 R)
• M13: 9,630,064 km (0.094 R)
• M14: 10,114,013 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.7

Radius: 14.4

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.24 AU - 3.64 AU

Year: 4255 Days

Day: 7.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,977,260 km

• M1: 191,784 km (0.09 R)
• M2: 800,648 km (0.06 R)
• M3: 1,314,965 km (0.08 R)
• M4: 1,863,241 km (0.097 R)
• M5: 2,322,956 km (0.098 R)
• M6: 3,139,311 km (0.117 R)
• M7: 3,647,346 km (0.09 R)
• M8: 4,282,089 km (0.05 R)
• M9: 4,857,892 km (0.118 R)
• M10: 9,512,779 km (0.094 R)
• M11: 12,672,436 km (0.106 R)
• M12: 13,494,925 km (0.103 R)
• M13: 15,999,492 km (0.114 R)
• M14: 18,087,280 km (0.067 R)
• M15: 20,350,995 km (0.088 R)
• M16: 22,205,261 km (0.117 R)
• M17: 22,797,968 km (0.059 R)
• M18: 27,330,633 km (0.115 R)
• M19: 30,032,221 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.3

Radius: 9.3

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.58 AU - 5.02 AU

Year: 7013 Days

Day: 14.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,977,260 km

• M1: 383,120 km (0.111 R)
• M2: 933,790 km (0.114 R)
• M3: 1,268,141 km (0.113 R)
• M4: 2,325,200 km (0.078 R)
• M5: 3,079,472 km (0.106 R)
• M6: 4,655,336 km (0.088 R)
• M7: 5,005,994 km (0.056 R)
• M8: 6,564,504 km (0.117 R)
• M9: 11,183,338 km (0.102 R)
• M10: 12,321,329 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.1

Radius: 7.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.66 AU - 5.9 AU

Year: 9267 Days

Day: 19.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,977,260 km

• M1: 89,011 km (0.08 R)
• M2: 341,382 km (0.098 R)
• M3: 695,032 km (0.036 R)
• M4: 1,260,063 km (0.089 R)
• M5: 1,534,725 km (0.101 R)
• M6: 1,934,450 km (0.098 R)
• M7: 3,582,570 km (0.069 R)
• M8: 5,572,221 km (0.116 R)
• M9: 6,063,052 km (0.084 R)
• M10: 7,060,571 km (0.097 R)
• M11: 8,202,152 km (0.062 R)
• M12: 9,850,571 km (0.117 R)
• M13: 10,567,893 km (0.108 R)
• M14: 12,056,092 km (0.066 R)
• M15: 12,667,948 km (0.117 R)
• M16: 13,354,004 km (0.04 R)
• M17: 14,400,740 km (0.095 R)
• M18: 14,915,207 km (0.063 R)
• M19: 16,970,233 km (0.117 R)
• M20: 17,868,568 km (0.102 R)
• M21: 20,395,426 km (0.118 R)
• M22: 27,778,380 km (0.116 R)
• M23: 28,042,270 km (0.067 R)
• M24: 28,575,288 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.3

Radius: 4.6

Gravity: 44.91 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.05 AU - 8.05 AU

Year: 12483 Days

Day: 22.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,977,260 km

• M1: 57,296 km (0.081 R)
• M2: 216,468 km (0.069 R)
• M3: 372,349 km (0.054 R)
• M4: 830,418 km (0.048 R)
• M5: 1,145,471 km (0.103 R)
• M6: 1,387,520 km (0.09 R)
• M7: 1,583,045 km (0.113 R)
• M8: 2,202,529 km (0.089 R)
• M9: 3,043,569 km (0.081 R)
• M10: 3,270,509 km (0.053 R)
• M11: 4,387,556 km (0.107 R)
• M12: 5,624,730 km (0.075 R)
• M13: 6,404,285 km (0.115 R)
• M14: 7,658,663 km (0.082 R)
• M15: 9,017,161 km (0.115 R)
• M16: 11,464,134 km (0.107 R)
• M17: 13,498,964 km (0.092 R)
• M18: 16,518,447 km (0.104 R)
• M19: 17,537,209 km (0.11 R)
• M20: 20,843,920 km (0.051 R)
• M21: 21,386,960 km (0.089 R)
• M22: 31,169,614 km (0.093 R)
• M23: 34,448,350 km (0.091 R)
• M24: 36,365,597 km (0.083 R)
• M25: 37,816,098 km (0.088 R)
• M26: 44,003,914 km (0.104 R)
• M27: 61,606,498 km (0.099 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: 162 - 11,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit