🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.9

Radius: 8

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.7 AU - 1.08 AU

Year: 551 Days

Day: 9.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,885,779 km

• M1: 99,483 km (0.106 R)
• M2: 397,033 km (0.105 R)
• M3: 782,247 km (0.054 R)
• M4: 1,055,712 km (0.052 R)
• M5: 1,638,097 km (0.086 R)
• M6: 2,095,268 km (0.105 R)
• M7: 2,459,090 km (0.106 R)
• M8: 3,048,505 km (0.069 R)
• M9: 3,376,723 km (0.082 R)
• M10: 3,674,872 km (0.086 R)
• M11: 4,004,735 km (0.118 R)
• M12: 6,053,777 km (0.072 R)
• M13: 6,475,793 km (0.113 R)
• M14: 6,734,298 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.9

Radius: 13.2

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.62 AU - 1.62 AU

Year: 1353 Days

Day: 6.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,885,779 km

• M1: 164,109 km (0.039 R)
• M2: 666,608 km (0.11 R)
• M3: 1,279,511 km (0.082 R)
• M4: 1,804,898 km (0.118 R)
• M5: 2,549,297 km (0.071 R)
• M6: 3,834,642 km (0.109 R)
• M7: 4,329,662 km (0.116 R)
• M8: 4,827,523 km (0.095 R)
• M9: 5,514,477 km (0.061 R)
• M10: 6,385,436 km (0.069 R)
• M11: 6,956,002 km (0.041 R)
• M12: 9,396,990 km (0.064 R)
• M13: 9,810,329 km (0.044 R)
• M14: 10,742,174 km (0.077 R)
• M15: 11,371,682 km (0.072 R)
• M16: 13,171,793 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249

Radius: 8.1

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.83 AU - 2.55 AU

Year: 2126 Days

Day: 14.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,885,779 km

• M1: 100,679 km (0.04 R)
• M2: 383,419 km (0.045 R)
• M3: 1,095,505 km (0.109 R)
• M4: 1,539,960 km (0.055 R)
• M5: 2,014,335 km (0.111 R)
• M6: 2,570,091 km (0.104 R)
• M7: 2,857,319 km (0.083 R)
• M8: 3,654,676 km (0.099 R)
• M9: 4,002,192 km (0.037 R)
• M10: 4,281,491 km (0.107 R)
• M11: 5,704,316 km (0.046 R)
• M12: 7,814,394 km (0.105 R)
• M13: 8,706,746 km (0.119 R)
• M14: 9,358,544 km (0.095 R)
• M15: 10,202,575 km (0.115 R)
• M16: 10,994,546 km (0.081 R)
• M17: 11,898,117 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.1

Radius: 12

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.13 AU - 3.75 AU

Year: 4185 Days

Day: 13.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,885,779 km

• M1: 151,543 km (0.12 R)
• M2: 772,673 km (0.117 R)
• M3: 1,845,589 km (0.103 R)
• M4: 2,350,183 km (0.07 R)
• M5: 2,816,180 km (0.091 R)
• M6: 4,121,122 km (0.074 R)
• M7: 5,111,909 km (0.094 R)
• M8: 6,282,961 km (0.059 R)
• M9: 8,313,303 km (0.08 R)
• M10: 8,689,991 km (0.113 R)
• M11: 9,150,004 km (0.05 R)
• M12: 9,588,924 km (0.044 R)
• M13: 10,118,950 km (0.086 R)
• M14: 12,042,329 km (0.113 R)
• M15: 12,481,100 km (0.073 R)
• M16: 12,976,119 km (0.088 R)
• M17: 13,531,127 km (0.052 R)
• M18: 15,806,511 km (0.075 R)
• M19: 17,421,270 km (0.05 R)
• M20: 18,907,525 km (0.114 R)
• M21: 20,291,306 km (0.105 R)
• M22: 20,850,802 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.7

Radius: 10.2

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.14 AU - 5.18 AU

Year: 7689 Days

Day: 6.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 144.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,885,779 km

• M1: 133,441 km (0.078 R)
• M2: 1,478,177 km (0.091 R)
• M3: 1,802,804 km (0.088 R)
• M4: 2,289,147 km (0.119 R)
• M5: 2,861,508 km (0.082 R)
• M6: 4,526,532 km (0.117 R)
• M7: 5,490,691 km (0.081 R)
• M8: 7,517,891 km (0.12 R)
• M9: 9,205,206 km (0.07 R)
• M10: 10,603,048 km (0.079 R)
• M11: 11,180,496 km (0.095 R)
• M12: 12,398,223 km (0.108 R)
• M13: 14,975,944 km (0.063 R)
• M14: 17,425,310 km (0.111 R)
• M15: 20,130,189 km (0.116 R)
• M16: 22,943,975 km (0.082 R)
• M17: 24,987,482 km (0.1 R)
• M18: 28,412,974 km (0.096 R)
• M19: 32,239,239 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.5

Radius: 3

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.59 AU - 6.95 AU

Year: 10299 Days

Day: 16.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,885,779 km

• M1: 38,447 km (0.113 R)
• M2: 274,961 km (0.118 R)
• M3: 447,896 km (0.118 R)
• M4: 664,215 km (0.091 R)
• M5: 2,551,990 km (0.088 R)
• M6: 3,121,210 km (0.086 R)
• M7: 3,397,517 km (0.076 R)
• M8: 3,630,142 km (0.075 R)
• M9: 4,690,940 km (0.081 R)
• M10: 6,900,800 km (0.106 R)
• M11: 7,210,318 km (0.07 R)
• M12: 8,862,477 km (0.118 R)
• M13: 9,565,587 km (0.081 R)
• M14: 9,756,773 km (0.041 R)
• M15: 9,989,398 km (0.115 R)
• M16: 12,659,869 km (0.118 R)
• M17: 14,331,326 km (0.082 R)
• M18: 17,302,041 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.7

Radius: 3.7

Gravity: 43.73 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.93 AU - 10.43 AU

Year: 21307 Days

Day: 24 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 75,885,779 km

• M1: 56,099 km (0.1 R)
• M2: 224,397 km (0.072 R)
• M3: 608,415 km (0.076 R)
• M4: 887,115 km (0.069 R)
• M5: 1,134,251 km (0.078 R)
• M6: 1,288,786 km (0.108 R)
• M7: 1,473,389 km (0.086 R)
• M8: 3,133,327 km (0.108 R)
• M9: 3,438,956 km (0.037 R)
• M10: 4,441,710 km (0.075 R)
• M11: 4,649,352 km (0.076 R)
• M12: 5,234,878 km (0.115 R)
• M13: 6,550,442 km (0.096 R)
• M14: 6,956,899 km (0.072 R)
• M15: 7,819,780 km (0.109 R)
• M16: 9,697,682 km (0.082 R)
• M17: 11,020,277 km (0.097 R)
• M18: 11,272,948 km (0.112 R)
• M19: 13,151,747 km (0.1 R)
• M20: 13,943,718 km (0.104 R)
• M21: 14,388,772 km (0.106 R)
• M22: 16,101,967 km (0.055 R)
• M23: 20,969,732 km (0.07 R)
• M24: 26,170,652 km (0.101 R)
• M25: 27,304,753 km (0.063 R)
• M26: 30,159,380 km (0.073 R)
• M27: 33,733,721 km (0.079 R)
• M28: 33,999,258 km (0.072 R)
• M29: 36,174,560 km (0.065 R)
• M30: 36,313,537 km (0.069 R)
• M31: 36,452,812 km (0.106 R)
• M32: 36,732,560 km (0.081 R)
• M33: 40,350,435 km (0.083 R)
• M34: 40,649,631 km (0.094 R)
• M35: 51,377,145 km (0.065 R)
• M36: 52,971,858 km (0.116 R)
• M37: 59,681,173 km (0.091 R)
• M38: 63,642,375 km (0.113 R)
• M39: 64,455,140 km (0.08 R)
• M40: 68,622,638 km (0.117 R)
• M41: 74,304,215 km (0.083 R)
• M42: 75,658,525 km (0.061 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 17,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit