🌌 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: 663.7

Radius: 13.4

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.68 AU - 0.94 AU

Year: 512 Days

Day: 7.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,438,169 km

• M1: 166,652 km (0.115 R)
• M2: 612,603 km (0.07 R)
• M3: 1,121,386 km (0.078 R)
• M4: 1,814,921 km (0.115 R)
• M5: 2,761,277 km (0.111 R)
• M6: 3,346,654 km (0.089 R)
• M7: 4,924,762 km (0.108 R)
• M8: 6,391,719 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.7

Radius: 12.2

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.74 AU - 1.16 AU

Year: 651 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,438,169 km

• M1: 151,692 km (0.103 R)
• M2: 551,418 km (0.089 R)
• M3: 1,076,057 km (0.049 R)
• M4: 1,651,112 km (0.117 R)
• M5: 2,436,351 km (0.084 R)
• M6: 3,429,830 km (0.049 R)
• M7: 3,982,146 km (0.073 R)
• M8: 4,430,939 km (0.081 R)
• M9: 5,338,998 km (0.06 R)
• M10: 6,533,238 km (0.093 R)
• M11: 6,961,387 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.7

Radius: 9.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.81 AU - 1.29 AU

Year: 756 Days

Day: 5.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,438,169 km

• M1: 115,639 km (0.114 R)
• M2: 429,944 km (0.091 R)
• M3: 898,634 km (0.072 R)
• M4: 1,263,803 km (0.054 R)
• M5: 1,603,689 km (0.07 R)
• M6: 2,211,954 km (0.099 R)
• M7: 2,599,861 km (0.066 R)
• M8: 3,123,005 km (0.115 R)
• M9: 3,489,221 km (0.104 R)
• M10: 3,870,695 km (0.068 R)
• M11: 5,089,768 km (0.055 R)
• M12: 5,531,381 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931

Radius: 10.8

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.41 AU - 2.03 AU

Year: 1586 Days

Day: 7.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,438,169 km

• M1: 147,504 km (0.086 R)
• M2: 644,318 km (0.087 R)
• M3: 1,014,274 km (0.082 R)
• M4: 1,377,497 km (0.036 R)
• M5: 1,818,362 km (0.114 R)
• M6: 2,167,823 km (0.054 R)
• M7: 2,871,382 km (0.088 R)
• M8: 3,349,796 km (0.108 R)
• M9: 3,862,916 km (0.113 R)
• M10: 4,310,663 km (0.063 R)
• M11: 5,310,874 km (0.055 R)
• M12: 5,865,882 km (0.1 R)
• M13: 6,587,692 km (0.054 R)
• M14: 7,064,909 km (0.099 R)
• M15: 7,593,588 km (0.093 R)
• M16: 9,372,157 km (0.112 R)
• M17: 9,806,140 km (0.064 R)
• M18: 10,968,366 km (0.095 R)
• M19: 11,526,067 km (0.06 R)
• M20: 11,869,693 km (0.085 R)
• M21: 12,378,177 km (0.063 R)
• M22: 13,355,200 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.9

Radius: 10.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.22 AU - 2.54 AU

Year: 2581 Days

Day: 12 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,438,169 km

• M1: 135,835 km (0.068 R)
• M2: 501,901 km (0.114 R)
• M3: 861,983 km (0.116 R)
• M4: 1,332,917 km (0.058 R)
• M5: 2,378,008 km (0.083 R)
• M6: 3,019,932 km (0.089 R)
• M7: 4,052,008 km (0.11 R)
• M8: 4,464,300 km (0.099 R)
• M9: 5,350,667 km (0.118 R)
• M10: 5,921,832 km (0.114 R)
• M11: 6,376,310 km (0.054 R)
• M12: 6,719,188 km (0.104 R)
• M13: 7,384,450 km (0.117 R)
• M14: 8,432,682 km (0.09 R)
• M15: 9,543,447 km (0.118 R)
• M16: 10,456,592 km (0.102 R)
• M17: 11,388,736 km (0.078 R)
• M18: 14,472,996 km (0.027 R)
• M19: 14,974,747 km (0.093 R)
• M20: 16,402,210 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 8.4

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.13 AU - 4.03 AU

Year: 4761 Days

Day: 10.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,438,169 km

• M1: 104,419 km (0.117 R)
• M2: 397,332 km (0.055 R)
• M3: 771,775 km (0.072 R)
• M4: 1,100,592 km (0.116 R)
• M5: 2,100,205 km (0.057 R)
• M6: 2,634,419 km (0.12 R)
• M7: 4,152,238 km (0.06 R)
• M8: 4,812,713 km (0.12 R)
• M9: 5,590,622 km (0.065 R)
• M10: 7,484,830 km (0.058 R)
• M11: 7,791,057 km (0.057 R)
• M12: 8,461,405 km (0.085 R)
• M13: 12,107,404 km (0.119 R)
• M14: 14,179,784 km (0.05 R)
• M15: 14,554,826 km (0.088 R)
• M16: 15,719,295 km (0.068 R)
• M17: 16,892,442 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.8

Radius: 11.5

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.61 AU - 4.87 AU

Year: 7254 Days

Day: 11.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,438,169 km

• M1: 143,315 km (0.072 R)
• M2: 813,364 km (0.096 R)
• M3: 1,345,932 km (0.079 R)
• M4: 3,870,546 km (0.048 R)
• M5: 4,353,896 km (0.111 R)
• M6: 4,858,041 km (0.03 R)
• M7: 5,611,865 km (0.101 R)
• M8: 6,465,620 km (0.078 R)
• M9: 8,459,012 km (0.089 R)
• M10: 11,102,556 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.3

Radius: 7.4

Gravity: 15.14 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.16 AU - 9.72 AU

Year: 17235 Days

Day: 16 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,438,169 km

• M1: 151,094 km (0.101 R)
• M2: 571,613 km (0.11 R)
• M3: 883,675 km (0.108 R)
• M4: 1,351,617 km (0.082 R)
• M5: 1,754,484 km (0.095 R)
• M6: 1,994,140 km (0.12 R)
• M7: 2,680,195 km (0.089 R)
• M8: 3,429,232 km (0.103 R)
• M9: 4,148,499 km (0.081 R)
• M10: 5,147,064 km (0.107 R)
• M11: 7,466,579 km (0.097 R)
• M12: 9,482,111 km (0.088 R)
• M13: 10,464,670 km (0.092 R)
• M14: 10,705,373 km (0.036 R)
• M15: 11,386,642 km (0.03 R)
• M16: 11,834,987 km (0.111 R)
• M17: 13,532,773 km (0.1 R)
• M18: 15,855,729 km (0.084 R)
• M19: 16,093,739 km (0.1 R)
• M20: 16,822,281 km (0.049 R)
• M21: 17,998,868 km (0.103 R)
• M22: 18,783,509 km (0.064 R)
• M23: 19,500,082 km (0.117 R)
• M24: 25,792,767 km (0.033 R)
• M25: 27,014,533 km (0.03 R)
• M26: 28,390,983 km (0.081 R)
• M27: 32,928,885 km (0.091 R)
• M28: 35,032,680 km (0.116 R)
• M29: 35,436,893 km (0.054 R)
• M30: 47,234,181 km (0.107 R)
• M31: 50,760,054 km (0.102 R)
• M32: 57,392,176 km (0.115 R)
• M33: 59,469,941 km (0.063 R)
• M34: 61,793,196 km (0.085 R)
• M35: 64,781,413 km (0.082 R)
• M36: 65,798,529 km (0.115 R)
• M37: 72,779,962 km (0.114 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 16,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit