🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.1

Radius: 8.5

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.41 AU - 0.65 AU

Year: 266 Days

Day: 10.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,230,296 km

• M1: 105,766 km (0.088 R)
• M2: 401,969 km (0.098 R)
• M3: 710,141 km (0.109 R)
• M4: 1,133,653 km (0.114 R)
• M5: 1,398,740 km (0.07 R)
• M6: 1,747,303 km (0.083 R)
• M7: 2,336,569 km (0.043 R)
• M8: 2,725,224 km (0.078 R)
• M9: 3,273,949 km (0.114 R)
• M10: 3,574,940 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.3

Radius: 11.8

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.18 AU - 1.42 AU

Year: 1023 Days

Day: 13.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,230,296 km

• M1: 147,952 km (0.052 R)
• M2: 659,128 km (0.105 R)
• M3: 1,414,149 km (0.112 R)
• M4: 2,068,041 km (0.081 R)
• M5: 2,469,861 km (0.048 R)
• M6: 3,303,719 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.5

Radius: 13.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.15 AU - 1.85 AU

Year: 1268 Days

Day: 12.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,230,296 km

• M1: 172,935 km (0.093 R)
• M2: 696,976 km (0.107 R)
• M3: 1,208,003 km (0.109 R)
• M4: 1,687,464 km (0.102 R)
• M5: 2,526,558 km (0.039 R)
• M6: 3,049,253 km (0.062 R)
• M7: 5,565,938 km (0.117 R)
• M8: 6,200,981 km (0.032 R)
• M9: 6,748,061 km (0.111 R)
• M10: 7,185,186 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.5

Radius: 10.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.8 AU - 2.44 AU

Year: 2131 Days

Day: 8.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,230,296 km

• M1: 131,646 km (0.103 R)
• M2: 631,004 km (0.091 R)
• M3: 1,146,518 km (0.115 R)
• M4: 1,529,339 km (0.063 R)
• M5: 3,808,163 km (0.108 R)
• M6: 5,029,780 km (0.114 R)
• M7: 5,930,808 km (0.096 R)
• M8: 6,295,228 km (0.106 R)
• M9: 6,700,339 km (0.117 R)
• M10: 8,228,182 km (0.095 R)
• M11: 10,955,202 km (0.031 R)
• M12: 14,148,817 km (0.101 R)
• M13: 14,934,804 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.7

Radius: 9.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.08 AU - 3.16 AU

Year: 3804 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,230,296 km

• M1: 119,529 km (0.061 R)
• M2: 419,323 km (0.097 R)
• M3: 741,856 km (0.085 R)
• M4: 1,255,874 km (0.064 R)
• M5: 1,843,345 km (0.12 R)
• M6: 2,532,842 km (0.104 R)
• M7: 2,875,121 km (0.051 R)
• M8: 3,181,049 km (0.112 R)
• M9: 3,840,177 km (0.111 R)
• M10: 4,418,224 km (0.075 R)
• M11: 4,872,253 km (0.099 R)
• M12: 6,079,657 km (0.061 R)
• M13: 6,950,616 km (0.089 R)
• M14: 7,475,854 km (0.05 R)
• M15: 7,996,006 km (0.073 R)
• M16: 8,409,943 km (0.095 R)
• M17: 9,177,231 km (0.034 R)
• M18: 10,173,553 km (0.089 R)
• M19: 10,622,047 km (0.118 R)
• M20: 12,338,234 km (0.072 R)
• M21: 13,461,564 km (0.101 R)
• M22: 14,557,668 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.2

Radius: 8.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.98 AU - 3.88 AU

Year: 4385 Days

Day: 12.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,230,296 km

• M1: 107,262 km (0.073 R)
• M2: 411,693 km (0.101 R)
• M3: 860,786 km (0.057 R)
• M4: 1,254,229 km (0.041 R)
• M5: 1,563,747 km (0.108 R)
• M6: 2,056,672 km (0.081 R)
• M7: 3,369,243 km (0.045 R)
• M8: 3,672,777 km (0.059 R)
• M9: 4,253,516 km (0.101 R)
• M10: 4,827,224 km (0.064 R)
• M11: 5,379,689 km (0.107 R)
• M12: 6,180,935 km (0.095 R)
• M13: 7,350,491 km (0.061 R)
• M14: 7,894,579 km (0.03 R)
• M15: 8,176,421 km (0.069 R)
• M16: 9,062,789 km (0.072 R)
• M17: 10,084,692 km (0.05 R)
• M18: 11,457,701 km (0.114 R)
• M19: 12,023,929 km (0.062 R)
• M20: 12,439,661 km (0.093 R)
• M21: 12,736,464 km (0.063 R)
• M22: 13,925,467 km (0.091 R)
• M23: 14,383,985 km (0.099 R)
• M24: 16,219,252 km (0.097 R)
• M25: 17,402,870 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.4

Radius: 12.1

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.85 AU - 4.91 AU

Year: 7441 Days

Day: 9.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,230,296 km

• M1: 151,543 km (0.09 R)
• M2: 643,869 km (0.063 R)
• M3: 1,067,979 km (0.042 R)
• M4: 1,516,623 km (0.111 R)
• M5: 2,987,021 km (0.088 R)
• M6: 3,568,508 km (0.084 R)
• M7: 4,760,952 km (0.078 R)
• M8: 7,264,622 km (0.03 R)
• M9: 7,721,793 km (0.105 R)
• M10: 8,610,105 km (0.112 R)
• M11: 8,992,627 km (0.111 R)
• M12: 9,610,466 km (0.05 R)
• M13: 11,841,419 km (0.113 R)
• M14: 12,747,085 km (0.119 R)
• M15: 13,188,997 km (0.103 R)
• M16: 13,641,231 km (0.107 R)
• M17: 15,121,353 km (0.117 R)
• M18: 16,640,519 km (0.116 R)
• M19: 17,845,081 km (0.086 R)
• M20: 23,577,971 km (0.106 R)
• M21: 32,434,314 km (0.051 R)
• M22: 33,467,886 km (0.074 R)
• M23: 35,600,703 km (0.087 R)
• M24: 36,368,140 km (0.075 R)
• M25: 37,596,488 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.6

Radius: 8.6

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.31 AU - 5.51 AU

Year: 7510 Days

Day: 6 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,230,296 km

• M1: 106,962 km (0.068 R)
• M2: 407,654 km (0.087 R)
• M3: 1,087,726 km (0.085 R)
• M4: 1,462,918 km (0.097 R)
• M5: 2,211,954 km (0.026 R)
• M6: 2,897,112 km (0.059 R)
• M7: 3,175,215 km (0.081 R)
• M8: 4,094,793 km (0.104 R)
• M9: 5,563,844 km (0.025 R)
• M10: 6,220,579 km (0.088 R)
• M11: 6,893,021 km (0.096 R)
• M12: 9,034,365 km (0.052 R)
• M13: 11,486,125 km (0.077 R)
• M14: 12,238,901 km (0.118 R)
• M15: 14,464,319 km (0.116 R)
• M16: 17,138,530 km (0.077 R)
• M17: 17,855,403 km (0.087 R)
• M18: 19,071,185 km (0.093 R)
• M19: 21,817,802 km (0.082 R)
• M20: 22,197,781 km (0.041 R)
• M21: 26,934,349 km (0.119 R)
• M22: 27,813,835 km (0.116 R)
• M23: 28,985,784 km (0.059 R)
• M24: 29,816,052 km (0.08 R)
• M25: 32,107,742 km (0.057 R)
• M26: 33,598,186 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.7

Radius: 8

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.43 AU - 9.49 AU

Year: 16985 Days

Day: 19.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,230,296 km

• M1: 114,742 km (0.091 R)
• M2: 380,128 km (0.088 R)
• M3: 637,885 km (0.069 R)
• M4: 923,318 km (0.072 R)
• M5: 1,231,041 km (0.085 R)
• M6: 1,951,205 km (0.12 R)
• M7: 2,528,354 km (0.092 R)
• M8: 5,539,160 km (0.095 R)
• M9: 6,019,968 km (0.048 R)
• M10: 6,690,316 km (0.044 R)
• M11: 11,093,131 km (0.111 R)
• M12: 20,382,111 km (0.064 R)
• M13: 20,729,777 km (0.096 R)
• M14: 21,081,482 km (0.087 R)
• M15: 26,845,487 km (0.086 R)
• M16: 33,942,261 km (0.06 R)
• M17: 48,074,473 km (0.115 R)
• M18: 50,254,861 km (0.087 R)
• M19: 52,663,238 km (0.094 R)
• M20: 53,978,502 km (0.106 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 18,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit