🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.4

Radius: 10.4

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.48 AU - 0.54 AU

Year: 243 Days

Day: 12.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,415,392 km

• M1: 129,402 km (0.12 R)
• M2: 459,864 km (0.063 R)
• M3: 856,298 km (0.075 R)
• M4: 1,191,697 km (0.12 R)
• M5: 1,555,519 km (0.067 R)
• M6: 2,018,374 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.9

Radius: 12.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.7 AU - 0.74 AU

Year: 407 Days

Day: 10.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,415,392 km

• M1: 159,621 km (0.115 R)
• M2: 572,661 km (0.088 R)
• M3: 1,156,242 km (0.041 R)
• M4: 1,649,915 km (0.069 R)
• M5: 2,428,273 km (0.097 R)
• M6: 3,016,940 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.6

Radius: 13.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.95 AU - 1.09 AU

Year: 687 Days

Day: 11.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,415,392 km

• M1: 172,935 km (0.087 R)
• M2: 661,073 km (0.07 R)
• M3: 1,205,609 km (0.117 R)
• M4: 1,736,981 km (0.049 R)
• M5: 2,205,671 km (0.07 R)
• M6: 3,331,844 km (0.111 R)
• M7: 3,982,744 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354

Radius: 9.4

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.97 AU - 1.19 AU

Year: 748 Days

Day: 7.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,415,392 km

• M1: 116,836 km (0.077 R)
• M2: 443,408 km (0.081 R)
• M3: 805,136 km (0.095 R)
• M4: 1,162,525 km (0.105 R)
• M5: 1,538,465 km (0.063 R)
• M6: 1,868,777 km (0.068 R)
• M7: 2,228,111 km (0.106 R)
• M8: 2,718,193 km (0.066 R)
• M9: 3,266,619 km (0.096 R)
• M10: 4,661,619 km (0.065 R)
• M11: 5,658,390 km (0.07 R)
• M12: 6,475,344 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.6

Radius: 9.3

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.42 AU - 1.54 AU

Year: 1201 Days

Day: 5.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,415,392 km

• M1: 115,639 km (0.113 R)
• M2: 472,280 km (0.083 R)
• M3: 821,592 km (0.104 R)
• M4: 1,135,897 km (0.114 R)
• M5: 1,441,076 km (0.088 R)
• M6: 1,888,524 km (0.111 R)
• M7: 2,345,844 km (0.03 R)
• M8: 2,758,435 km (0.072 R)
• M9: 3,176,412 km (0.068 R)
• M10: 3,698,807 km (0.113 R)
• M11: 4,191,134 km (0.11 R)
• M12: 4,877,190 km (0.064 R)
• M13: 5,720,323 km (0.074 R)
• M14: 6,587,393 km (0.071 R)
• M15: 8,359,978 km (0.061 R)
• M16: 9,356,150 km (0.086 R)
• M17: 10,021,711 km (0.062 R)
• M18: 10,334,520 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907

Radius: 9.5

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.43 AU - 3.01 AU

Year: 2991 Days

Day: 6.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,415,392 km

• M1: 122,072 km (0.098 R)
• M2: 466,895 km (0.11 R)
• M3: 763,398 km (0.066 R)
• M4: 1,105,379 km (0.047 R)
• M5: 1,413,700 km (0.067 R)
• M6: 1,891,067 km (0.116 R)
• M7: 2,238,583 km (0.109 R)
• M8: 2,823,809 km (0.105 R)
• M9: 3,411,879 km (0.094 R)
• M10: 4,736,119 km (0.046 R)
• M11: 5,152,599 km (0.106 R)
• M12: 5,727,953 km (0.077 R)
• M13: 6,403,836 km (0.067 R)
• M14: 6,791,594 km (0.055 R)
• M15: 7,163,494 km (0.086 R)
• M16: 7,880,517 km (0.111 R)
• M17: 8,256,606 km (0.078 R)
• M18: 8,680,566 km (0.102 R)
• M19: 10,159,491 km (0.089 R)
• M20: 11,320,220 km (0.099 R)
• M21: 12,705,946 km (0.091 R)
• M22: 16,190,529 km (0.083 R)
• M23: 19,020,920 km (0.118 R)
• M24: 20,778,247 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.6

Radius: 13.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.28 AU - 3.68 AU

Year: 4329 Days

Day: 5.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,415,392 km

• M1: 171,140 km (0.117 R)
• M2: 627,862 km (0.043 R)
• M3: 1,347,129 km (0.104 R)
• M4: 1,923,679 km (0.095 R)
• M5: 3,115,974 km (0.115 R)
• M6: 3,956,415 km (0.108 R)
• M7: 4,671,792 km (0.103 R)
• M8: 5,137,191 km (0.097 R)
• M9: 8,429,840 km (0.116 R)
• M10: 10,129,421 km (0.05 R)
• M11: 12,886,809 km (0.118 R)
• M12: 14,682,582 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.2

Radius: 8.2

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.29 AU - 6.71 AU

Year: 8601 Days

Day: 14.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,415,392 km

• M1: 102,175 km (0.082 R)
• M2: 558,000 km (0.119 R)
• M3: 1,118,543 km (0.033 R)
• M4: 1,519,615 km (0.1 R)
• M5: 1,873,713 km (0.117 R)
• M6: 2,145,383 km (0.113 R)
• M7: 2,995,697 km (0.069 R)
• M8: 5,566,088 km (0.114 R)
• M9: 6,628,682 km (0.078 R)
• M10: 9,609,120 km (0.054 R)
• M11: 10,277,673 km (0.093 R)
• M12: 10,673,509 km (0.078 R)
• M13: 12,920,469 km (0.049 R)
• M14: 19,428,275 km (0.093 R)
• M15: 20,729,927 km (0.103 R)
• M16: 21,683,015 km (0.116 R)
• M17: 29,882,923 km (0.104 R)
• M18: 33,519,348 km (0.068 R)
• M19: 34,061,790 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.9

Radius: 6.8

Gravity: 18.25 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.49 AU - 11.07 AU

Year: 18852 Days

Day: 16.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,415,392 km

• M1: 113,844 km (0.059 R)
• M2: 455,974 km (0.091 R)
• M3: 820,395 km (0.116 R)
• M4: 1,695,841 km (0.12 R)
• M5: 3,589,003 km (0.115 R)
• M6: 4,052,307 km (0.068 R)
• M7: 6,711,708 km (0.097 R)
• M8: 7,270,157 km (0.074 R)
• M9: 8,747,287 km (0.1 R)
• M10: 11,290,301 km (0.112 R)
• M11: 13,188,099 km (0.06 R)
• M12: 14,137,597 km (0.108 R)
• M13: 17,173,836 km (0.08 R)
• M14: 19,484,973 km (0.11 R)
• M15: 21,795,363 km (0.119 R)
• M16: 23,961,390 km (0.036 R)
• M17: 33,395,481 km (0.075 R)
• M18: 44,873,078 km (0.058 R)
• M19: 47,681,928 km (0.074 R)
• M20: 51,843,740 km (0.11 R)
• M21: 56,618,605 km (0.093 R)
• M22: 71,354,145 km (0.108 R)
• M23: 72,686,165 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 10,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit