🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.3

Radius: 11.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.67 AU - 0.95 AU

Year: 503 Days

Day: 5.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,297,348 km

• M1: 182,509 km (0.118 R)
• M2: 610,808 km (0.097 R)
• M3: 1,002,306 km (0.096 R)
• M4: 2,245,913 km (0.085 R)
• M5: 2,796,283 km (0.103 R)
• M6: 3,648,991 km (0.084 R)
• M7: 5,096,949 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.9

Radius: 8.7

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.9 AU - 1.4 AU

Year: 851 Days

Day: 5.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,297,348 km

• M1: 108,309 km (0.05 R)
• M2: 442,361 km (0.054 R)
• M3: 715,676 km (0.115 R)
• M4: 996,172 km (0.03 R)
• M5: 1,300,155 km (0.068 R)
• M6: 1,581,549 km (0.091 R)
• M7: 2,482,128 km (0.109 R)
• M8: 2,831,588 km (0.092 R)
• M9: 4,017,900 km (0.115 R)
• M10: 4,876,292 km (0.114 R)
• M11: 5,466,905 km (0.099 R)
• M12: 5,872,614 km (0.088 R)
• M13: 6,211,603 km (0.111 R)
• M14: 6,676,403 km (0.117 R)
• M15: 7,675,568 km (0.08 R)
• M16: 8,081,277 km (0.076 R)
• M17: 8,853,202 km (0.1 R)
• M18: 9,158,681 km (0.113 R)
• M19: 9,878,845 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.9

Radius: 9.5

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.96 AU - 3.26 AU

Year: 3786 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,297,348 km

• M1: 119,678 km (0.092 R)
• M2: 597,045 km (0.107 R)
• M3: 1,094,608 km (0.116 R)
• M4: 1,770,192 km (0.117 R)
• M5: 2,100,354 km (0.12 R)
• M6: 2,432,910 km (0.039 R)
• M7: 3,205,284 km (0.094 R)
• M8: 3,876,679 km (0.095 R)
• M9: 4,865,372 km (0.114 R)
• M10: 6,062,304 km (0.105 R)
• M11: 6,927,129 km (0.082 R)
• M12: 8,017,997 km (0.112 R)
• M13: 11,259,783 km (0.108 R)
• M14: 14,703,077 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.5

Radius: 14.2

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.02 AU - 3.52 AU

Year: 4082 Days

Day: 9.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,297,348 km

• M1: 182,360 km (0.05 R)
• M2: 770,130 km (0.096 R)
• M3: 1,266,196 km (0.086 R)
• M4: 2,464,775 km (0.089 R)
• M5: 3,256,446 km (0.069 R)
• M6: 4,104,816 km (0.095 R)
• M7: 5,322,842 km (0.119 R)
• M8: 6,830,190 km (0.085 R)
• M9: 9,113,652 km (0.117 R)
• M10: 11,217,148 km (0.072 R)
• M11: 13,148,306 km (0.075 R)
• M12: 16,641,267 km (0.045 R)
• M13: 17,602,882 km (0.076 R)
• M14: 18,541,459 km (0.085 R)
• M15: 19,574,881 km (0.082 R)
• M16: 22,360,693 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.7

Radius: 9.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.82 AU - 3.84 AU

Year: 5174 Days

Day: 5.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,297,348 km

• M1: 128,505 km (0.08 R)
• M2: 532,718 km (0.089 R)
• M3: 850,913 km (0.093 R)
• M4: 2,390,424 km (0.114 R)
• M5: 3,439,554 km (0.03 R)
• M6: 5,177,433 km (0.118 R)
• M7: 5,746,503 km (0.082 R)
• M8: 7,469,422 km (0.079 R)
• M9: 8,376,583 km (0.094 R)
• M10: 8,856,792 km (0.084 R)
• M11: 11,007,860 km (0.12 R)
• M12: 11,949,280 km (0.091 R)
• M13: 12,846,568 km (0.111 R)
• M14: 17,417,530 km (0.09 R)
• M15: 17,896,842 km (0.11 R)
• M16: 18,819,113 km (0.098 R)
• M17: 19,133,568 km (0.069 R)
• M18: 21,229,434 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.4

Radius: 11.1

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.18 AU - 5.92 AU

Year: 7833 Days

Day: 7.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,297,348 km

• M1: 138,079 km (0.059 R)
• M2: 568,472 km (0.103 R)
• M3: 1,470,996 km (0.083 R)
• M4: 2,095,417 km (0.094 R)
• M5: 2,777,883 km (0.052 R)
• M6: 4,380,226 km (0.11 R)
• M7: 4,742,103 km (0.051 R)
• M8: 5,675,594 km (0.078 R)
• M9: 6,170,164 km (0.078 R)
• M10: 8,093,993 km (0.092 R)
• M11: 10,616,662 km (0.093 R)
• M12: 12,461,951 km (0.114 R)
• M13: 15,917,213 km (0.056 R)
• M14: 17,994,829 km (0.094 R)
• M15: 21,183,956 km (0.079 R)
• M16: 30,956,736 km (0.118 R)
• M17: 31,909,824 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.3

Radius: 3

Gravity: 49.37 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.67 AU - 7.09 AU

Year: 9842 Days

Day: 19.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,297,348 km

• M1: 37,250 km (0.092 R)
• M2: 165,006 km (0.102 R)
• M3: 562,787 km (0.087 R)
• M4: 1,903,483 km (0.11 R)
• M5: 3,032,947 km (0.118 R)
• M6: 3,298,334 km (0.097 R)
• M7: 4,241,548 km (0.055 R)
• M8: 5,639,690 km (0.112 R)
• M9: 6,495,839 km (0.107 R)
• M10: 7,593,289 km (0.119 R)
• M11: 7,713,416 km (0.086 R)
• M12: 8,808,472 km (0.09 R)
• M13: 9,165,114 km (0.065 R)
• M14: 9,907,418 km (0.075 R)
• M15: 12,539,892 km (0.079 R)
• M16: 17,619,188 km (0.103 R)
• M17: 19,954,112 km (0.057 R)
• M18: 20,646,152 km (0.055 R)
• M19: 25,404,411 km (0.1 R)
• M20: 27,420,691 km (0.026 R)
• M21: 29,739,010 km (0.097 R)
• M22: 32,922,452 km (0.085 R)
• M23: 38,405,214 km (0.105 R)
• M24: 38,641,130 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391

Radius: 7.4

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.51 AU - 11.71 AU

Year: 20563 Days

Day: 22.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,297,348 km

• M1: 92,152 km (0.046 R)
• M2: 335,847 km (0.107 R)
• M3: 568,173 km (0.115 R)
• M4: 804,089 km (0.067 R)
• M5: 1,441,974 km (0.118 R)
• M6: 2,296,028 km (0.097 R)
• M7: 2,571,288 km (0.083 R)
• M8: 2,844,903 km (0.046 R)
• M9: 3,239,841 km (0.093 R)
• M10: 3,871,443 km (0.116 R)
• M11: 4,681,067 km (0.117 R)
• M12: 5,942,775 km (0.102 R)
• M13: 6,382,294 km (0.119 R)
• M14: 7,371,585 km (0.082 R)
• M15: 9,224,354 km (0.11 R)
• M16: 10,715,995 km (0.04 R)
• M17: 11,307,205 km (0.096 R)
• M18: 11,549,704 km (0.103 R)
• M19: 12,946,050 km (0.083 R)
• M20: 14,169,462 km (0.03 R)
• M21: 15,172,964 km (0.091 R)
• M22: 15,767,167 km (0.111 R)
• M23: 19,402,545 km (0.083 R)
• M24: 27,504,915 km (0.078 R)
• M25: 28,054,687 km (0.118 R)
• M26: 30,327,079 km (0.09 R)
• M27: 31,150,465 km (0.112 R)
• M28: 32,965,088 km (0.109 R)
• M29: 43,846,089 km (0.045 R)
• M30: 44,898,659 km (0.035 R)
• M31: 46,431,140 km (0.092 R)
• M32: 47,053,916 km (0.108 R)
• M33: 48,955,454 km (0.079 R)
• M34: 49,762,535 km (0.109 R)
• M35: 56,542,460 km (0.055 R)
• M36: 57,789,059 km (0.058 R)
• M37: 61,451,215 km (0.083 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: 400 - 16,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit