🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.6

Radius: 13.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.02 AU - 1.04 AU

Year: 722 Days

Day: 8.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,796,985 km

• M1: 162,912 km (0.05 R)
• M2: 574,905 km (0.119 R)
• M3: 1,065,735 km (0.072 R)
• M4: 1,677,740 km (0.109 R)
• M5: 2,104,692 km (0.106 R)
• M6: 2,550,344 km (0.085 R)
• M7: 3,197,355 km (0.086 R)
• M8: 3,777,496 km (0.096 R)
• M9: 4,254,115 km (0.045 R)
• M10: 4,923,864 km (0.047 R)
• M11: 5,990,647 km (0.094 R)
• M12: 7,317,879 km (0.058 R)
• M13: 7,824,866 km (0.091 R)
• M14: 8,330,806 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969

Radius: 10.5

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.07 AU - 1.27 AU

Year: 874 Days

Day: 6.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,796,985 km

• M1: 130,599 km (0.099 R)
• M2: 489,783 km (0.055 R)
• M3: 873,053 km (0.107 R)
• M4: 1,244,804 km (0.041 R)
• M5: 2,140,446 km (0.094 R)
• M6: 2,505,465 km (0.068 R)
• M7: 3,263,328 km (0.111 R)
• M8: 4,150,892 km (0.109 R)
• M9: 4,597,741 km (0.092 R)
• M10: 6,693,158 km (0.072 R)
• M11: 7,260,733 km (0.076 R)
• M12: 8,119,574 km (0.101 R)
• M13: 8,655,583 km (0.104 R)
• M14: 10,190,757 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.7

Radius: 9.4

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.13 AU - 2.51 AU

Year: 2439 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,796,985 km

• M1: 116,836 km (0.095 R)
• M2: 433,834 km (0.115 R)
• M3: 825,481 km (0.101 R)
• M4: 1,550,432 km (0.092 R)
• M5: 2,173,807 km (0.099 R)
• M6: 2,666,582 km (0.117 R)
• M7: 3,051,647 km (0.111 R)
• M8: 3,857,531 km (0.057 R)
• M9: 4,372,447 km (0.109 R)
• M10: 5,276,766 km (0.1 R)
• M11: 5,661,831 km (0.039 R)
• M12: 6,143,386 km (0.111 R)
• M13: 6,959,143 km (0.119 R)
• M14: 8,871,752 km (0.098 R)
• M15: 9,210,143 km (0.093 R)
• M16: 9,522,204 km (0.087 R)
• M17: 10,651,069 km (0.082 R)
• M18: 12,071,351 km (0.115 R)
• M19: 12,656,429 km (0.085 R)
• M20: 13,042,541 km (0.108 R)
• M21: 15,044,160 km (0.119 R)
• M22: 15,380,456 km (0.102 R)
• M23: 17,930,801 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 11

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.88 AU - 2.98 AU

Year: 3462 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,796,985 km

• M1: 137,032 km (0.072 R)
• M2: 572,361 km (0.073 R)
• M3: 967,300 km (0.1 R)
• M4: 1,548,936 km (0.083 R)
• M5: 2,482,427 km (0.104 R)
• M6: 2,964,731 km (0.064 R)
• M7: 3,398,564 km (0.093 R)
• M8: 4,036,450 km (0.096 R)
• M9: 5,080,792 km (0.103 R)
• M10: 5,653,603 km (0.043 R)
• M11: 7,414,220 km (0.09 R)
• M12: 7,890,091 km (0.063 R)
• M13: 8,318,988 km (0.085 R)
• M14: 8,868,012 km (0.106 R)
• M15: 12,113,837 km (0.074 R)
• M16: 12,775,060 km (0.099 R)
• M17: 14,217,632 km (0.072 R)
• M18: 17,590,316 km (0.106 R)
• M19: 18,611,321 km (0.115 R)
• M20: 20,155,022 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.1

Radius: 10.3

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.97 AU - 3.93 AU

Year: 4423 Days

Day: 11.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,796,985 km

• M1: 146,456 km (0.073 R)
• M2: 535,560 km (0.101 R)
• M3: 869,164 km (0.117 R)
• M4: 1,639,892 km (0.069 R)
• M5: 2,047,097 km (0.119 R)
• M6: 2,785,662 km (0.114 R)
• M7: 3,583,318 km (0.098 R)
• M8: 4,195,173 km (0.098 R)
• M9: 4,655,187 km (0.112 R)
• M10: 5,504,902 km (0.07 R)
• M11: 6,005,457 km (0.111 R)
• M12: 6,673,711 km (0.104 R)
• M13: 7,302,171 km (0.116 R)
• M14: 10,743,820 km (0.104 R)
• M15: 12,389,696 km (0.113 R)
• M16: 13,606,375 km (0.104 R)
• M17: 14,059,657 km (0.104 R)
• M18: 14,569,935 km (0.032 R)
• M19: 15,676,660 km (0.084 R)
• M20: 16,377,227 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.5

Radius: 4.4

Gravity: 16.66 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.01 AU - 7.41 AU

Year: 10682 Days

Day: 19.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,796,985 km

• M1: 54,753 km (0.092 R)
• M2: 321,635 km (0.067 R)
• M3: 515,963 km (0.031 R)
• M4: 2,327,593 km (0.108 R)
• M5: 2,756,191 km (0.118 R)
• M6: 4,172,434 km (0.055 R)
• M7: 5,155,741 km (0.073 R)
• M8: 7,765,027 km (0.028 R)
• M9: 8,086,812 km (0.096 R)
• M10: 16,274,004 km (0.092 R)
• M11: 20,504,483 km (0.104 R)
• M12: 25,150,992 km (0.118 R)
• M13: 33,838,889 km (0.095 R)
• M14: 35,348,182 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.3

Radius: 6.1

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.17 AU - 8.49 AU

Year: 13698 Days

Day: 22 Hours

Environment

Temp: -240 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,796,985 km

• M1: 266,583 km (0.082 R)
• M2: 936,333 km (0.05 R)
• M3: 2,178,295 km (0.063 R)
• M4: 4,041,985 km (0.084 R)
• M5: 4,857,293 km (0.036 R)
• M6: 10,886,536 km (0.104 R)
• M7: 11,731,315 km (0.039 R)
• M8: 24,001,333 km (0.06 R)
• M9: 25,701,213 km (0.104 R)
• M10: 28,940,456 km (0.116 R)
• M11: 30,349,967 km (0.086 R)
• M12: 30,760,913 km (0.103 R)
• M13: 31,699,041 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.3

Radius: 6.3

Gravity: 14.14 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.88 AU - 12 AU

Year: 23284 Days

Day: 22.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,796,985 km

• M1: 79,137 km (0.092 R)
• M2: 349,311 km (0.091 R)
• M3: 849,866 km (0.051 R)
• M4: 1,113,008 km (0.08 R)
• M5: 1,323,193 km (0.098 R)
• M6: 1,939,237 km (0.073 R)
• M7: 2,446,224 km (0.106 R)
• M8: 2,731,059 km (0.079 R)
• M9: 3,091,141 km (0.104 R)
• M10: 4,856,396 km (0.074 R)
• M11: 6,647,681 km (0.055 R)
• M12: 13,902,579 km (0.096 R)
• M13: 14,810,488 km (0.075 R)
• M14: 16,576,491 km (0.059 R)
• M15: 22,402,431 km (0.087 R)
• M16: 25,269,324 km (0.086 R)
• M17: 27,078,860 km (0.07 R)
• M18: 29,094,243 km (0.106 R)
• M19: 36,862,711 km (0.097 R)
• M20: 42,223,251 km (0.053 R)
• M21: 45,414,772 km (0.05 R)
• M22: 52,273,086 km (0.042 R)
• M23: 62,988,632 km (0.118 R)
• M24: 69,941,492 km (0.108 R)
• M25: 70,378,468 km (0.094 R)
• M26: 71,479,209 km (0.047 R)
• M27: 76,690,600 km (0.103 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 10,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit