🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.48 AU - 0.68 AU

Year: 290 Days

Day: 41.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.7

Radius: 13.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.89 AU - 1.23 AU

Year: 716 Days

Day: 5 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,746,339 km

• M1: 164,258 km (0.116 R)
• M2: 626,366 km (0.096 R)
• M3: 1,045,689 km (0.115 R)
• M4: 1,464,563 km (0.061 R)
• M5: 1,931,309 km (0.067 R)
• M6: 3,648,094 km (0.11 R)
• M7: 4,240,651 km (0.088 R)
• M8: 5,141,230 km (0.084 R)
• M9: 6,241,074 km (0.05 R)
• M10: 6,928,027 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.3

Radius: 10

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.93 AU - 2.77 AU

Year: 2363 Days

Day: 6.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,746,339 km

• M1: 125,213 km (0.109 R)
• M2: 568,921 km (0.089 R)
• M3: 1,045,839 km (0.118 R)
• M4: 1,520,214 km (0.079 R)
• M5: 2,057,420 km (0.056 R)
• M6: 2,748,113 km (0.093 R)
• M7: 3,643,007 km (0.106 R)
• M8: 4,220,754 km (0.08 R)
• M9: 4,858,340 km (0.118 R)
• M10: 6,325,297 km (0.08 R)
• M11: 8,397,976 km (0.101 R)
• M12: 9,809,432 km (0.108 R)
• M13: 11,537,885 km (0.053 R)
• M14: 18,154,898 km (0.119 R)
• M15: 18,551,333 km (0.095 R)
• M16: 20,316,288 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.8

Radius: 12.8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.91 AU - 5.15 AU

Year: 6325 Days

Day: 6.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,746,339 km

• M1: 183,257 km (0.1 R)
• M2: 893,099 km (0.104 R)
• M3: 1,459,178 km (0.068 R)
• M4: 2,976,698 km (0.097 R)
• M5: 3,817,139 km (0.057 R)
• M6: 4,729,985 km (0.115 R)
• M7: 7,447,580 km (0.119 R)
• M8: 9,453,987 km (0.118 R)
• M9: 10,883,993 km (0.111 R)
• M10: 11,997,600 km (0.051 R)
• M11: 13,836,008 km (0.118 R)
• M12: 15,976,604 km (0.055 R)
• M13: 17,413,791 km (0.111 R)
• M14: 21,051,113 km (0.085 R)
• M15: 25,331,856 km (0.077 R)
• M16: 29,423,059 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.4

Radius: 3.8

Gravity: 58.27 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.13 AU - 8.21 AU

Year: 12595 Days

Day: 21 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 41,746,339 km

• M1: 50,115 km (0.108 R)
• M2: 214,972 km (0.028 R)
• M3: 432,188 km (0.067 R)
• M4: 633,547 km (0.12 R)
• M5: 775,067 km (0.091 R)
• M6: 1,237,773 km (0.045 R)
• M7: 3,541,430 km (0.11 R)
• M8: 3,818,635 km (0.059 R)
• M9: 4,050,662 km (0.118 R)
• M10: 4,447,694 km (0.079 R)
• M11: 5,005,395 km (0.073 R)
• M12: 5,682,176 km (0.072 R)
• M13: 7,480,043 km (0.095 R)
• M14: 7,797,340 km (0.087 R)
• M15: 9,156,437 km (0.093 R)
• M16: 11,901,109 km (0.095 R)
• M17: 13,228,790 km (0.091 R)
• M18: 14,582,052 km (0.104 R)
• M19: 15,876,373 km (0.108 R)
• M20: 20,653,931 km (0.079 R)
• M21: 23,223,125 km (0.106 R)
• M22: 26,100,490 km (0.114 R)
• M23: 26,934,049 km (0.082 R)
• M24: 29,541,241 km (0.093 R)
• M25: 31,253,389 km (0.118 R)
• M26: 33,759,901 km (0.065 R)
• M27: 35,884,640 km (0.107 R)
• M28: 39,033,376 km (0.062 R)
• M29: 39,848,385 km (0.098 R)
• M30: 43,077,904 km (0.048 R)
• M31: 44,387,633 km (0.12 R)
• M32: 44,534,688 km (0.08 R)
• M33: 46,174,879 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.8

Radius: 3.6

Gravity: 21.2 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.19 AU - 8.33 AU

Year: 12833 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,746,339 km

• M1: 45,328 km (0.079 R)
• M2: 330,761 km (0.096 R)
• M3: 552,166 km (0.114 R)
• M4: 874,699 km (0.071 R)
• M5: 1,040,902 km (0.076 R)
• M6: 1,626,578 km (0.107 R)
• M7: 1,974,243 km (0.066 R)
• M8: 2,139,998 km (0.095 R)
• M9: 2,332,979 km (0.078 R)
• M10: 2,733,751 km (0.107 R)
• M11: 4,542,240 km (0.115 R)
• M12: 5,226,202 km (0.077 R)
• M13: 7,526,269 km (0.087 R)
• M14: 8,784,836 km (0.106 R)
• M15: 12,587,015 km (0.114 R)
• M16: 14,657,151 km (0.088 R)
• M17: 17,920,628 km (0.093 R)
• M18: 18,350,722 km (0.097 R)
• M19: 18,495,682 km (0.105 R)
• M20: 24,148,687 km (0.055 R)
• M21: 25,116,286 km (0.102 R)
• M22: 26,200,870 km (0.108 R)
• M23: 31,366,335 km (0.045 R)
• M24: 32,623,256 km (0.095 R)
• M25: 33,587,714 km (0.057 R)
• M26: 38,696,332 km (0.091 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 19,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit