🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.3

Radius: 11.5

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.21 AU - 1.71 AU

Year: 1157 Days

Day: 11.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,896,588 km

• M1: 265,536 km (0.118 R)
• M2: 722,558 km (0.058 R)
• M3: 1,359,845 km (0.091 R)
• M4: 1,910,066 km (0.076 R)
• M5: 2,356,316 km (0.061 R)
• M6: 3,045,663 km (0.1 R)
• M7: 4,383,517 km (0.034 R)
• M8: 4,795,061 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 12.9

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.34 AU - 1.66 AU

Year: 1205 Days

Day: 6 Hours

Environment

Temp: -180 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,896,588 km

• M1: 160,967 km (0.081 R)
• M2: 670,348 km (0.06 R)
• M3: 1,140,983 km (0.052 R)
• M4: 1,650,813 km (0.102 R)
• M5: 2,500,678 km (0.088 R)
• M6: 3,409,036 km (0.096 R)
• M7: 3,832,997 km (0.095 R)
• M8: 4,769,330 km (0.049 R)
• M9: 6,164,629 km (0.101 R)
• M10: 7,193,862 km (0.043 R)
• M11: 7,869,895 km (0.118 R)
• M12: 8,963,007 km (0.112 R)
• M13: 9,715,484 km (0.075 R)
• M14: 11,693,467 km (0.045 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.4

Radius: 7.6

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.48 AU - 8.16 AU

Year: 11684 Days

Day: 20.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,896,588 km

• M1: 94,995 km (0.057 R)
• M2: 340,784 km (0.079 R)
• M3: 602,131 km (0.031 R)
• M4: 1,824,196 km (0.105 R)
• M5: 2,155,406 km (0.06 R)
• M6: 3,576,586 km (0.077 R)
• M7: 4,575,600 km (0.087 R)
• M8: 4,990,435 km (0.089 R)
• M9: 5,500,115 km (0.11 R)
• M10: 6,194,698 km (0.12 R)
• M11: 6,824,056 km (0.113 R)
• M12: 7,070,743 km (0.106 R)
• M13: 7,625,751 km (0.093 R)
• M14: 11,125,294 km (0.101 R)
• M15: 11,816,885 km (0.078 R)
• M16: 13,606,375 km (0.102 R)
• M17: 13,866,675 km (0.067 R)
• M18: 14,872,272 km (0.077 R)
• M19: 16,878,380 km (0.097 R)
• M20: 17,330,614 km (0.057 R)
• M21: 25,908,257 km (0.095 R)
• M22: 27,430,415 km (0.092 R)
• M23: 29,118,627 km (0.117 R)
• M24: 29,988,240 km (0.113 R)
• M25: 32,468,722 km (0.069 R)
• M26: 33,403,709 km (0.029 R)
• M27: 37,196,463 km (0.07 R)
• M28: 43,338,802 km (0.099 R)
• M29: 44,471,857 km (0.098 R)
• M30: 46,649,104 km (0.088 R)
• M31: 48,139,548 km (0.069 R)
• M32: 48,744,521 km (0.098 R)
• M33: 51,058,352 km (0.105 R)
• M34: 53,122,054 km (0.079 R)
• M35: 53,930,481 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.6

Radius: 3.5

Gravity: 44.95 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.79 AU - 8.97 AU

Year: 17359 Days

Day: 23.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 55.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,896,588 km

• M1: 47,123 km (0.067 R)
• M2: 188,194 km (0.064 R)
• M3: 484,697 km (0.12 R)
• M4: 816,056 km (0.111 R)
• M5: 1,001,259 km (0.107 R)
• M6: 1,763,161 km (0.118 R)
• M7: 1,997,281 km (0.118 R)
• M8: 2,945,881 km (0.059 R)
• M9: 3,301,924 km (0.086 R)
• M10: 3,490,418 km (0.09 R)
• M11: 5,122,530 km (0.087 R)
• M12: 5,412,002 km (0.085 R)
• M13: 5,866,480 km (0.076 R)
• M14: 6,023,558 km (0.105 R)
• M15: 6,937,751 km (0.1 R)
• M16: 7,611,839 km (0.104 R)
• M17: 8,084,718 km (0.078 R)
• M18: 8,476,814 km (0.036 R)
• M19: 8,728,288 km (0.114 R)
• M20: 13,800,104 km (0.117 R)
• M21: 14,148,069 km (0.116 R)
• M22: 16,514,857 km (0.063 R)
• M23: 16,828,115 km (0.07 R)
• M24: 18,876,259 km (0.052 R)
• M25: 19,827,702 km (0.1 R)
• M26: 27,400,047 km (0.088 R)
• M27: 39,689,213 km (0.083 R)
• M28: 50,463,251 km (0.088 R)
• M29: 52,626,137 km (0.049 R)
• M30: 53,644,899 km (0.077 R)
• M31: 57,135,915 km (0.091 R)
• M32: 57,672,223 km (0.081 R)
• M33: 58,755,013 km (0.117 R)
• M34: 61,896,269 km (0.079 R)
• M35: 62,462,048 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.4

Radius: 6.7

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.51 AU - 12.03 AU

Year: 21591 Days

Day: 23.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,896,588 km

• M1: 85,570 km (0.119 R)
• M2: 603,328 km (0.108 R)
• M3: 1,455,138 km (0.068 R)
• M4: 1,782,459 km (0.105 R)
• M5: 2,179,192 km (0.117 R)
• M6: 3,013,948 km (0.043 R)
• M7: 3,822,375 km (0.119 R)
• M8: 4,143,711 km (0.099 R)
• M9: 4,951,241 km (0.055 R)
• M10: 6,920,547 km (0.088 R)
• M11: 7,204,633 km (0.096 R)
• M12: 14,199,531 km (0.12 R)
• M13: 15,607,546 km (0.093 R)
• M14: 21,667,756 km (0.103 R)
• M15: 25,718,417 km (0.079 R)
• M16: 27,921,246 km (0.07 R)
• M17: 28,642,158 km (0.084 R)
• M18: 33,230,624 km (0.103 R)
• M19: 47,810,881 km (0.045 R)
• M20: 51,844,488 km (0.074 R)
• M21: 56,289,490 km (0.114 R)
• M22: 70,470,321 km (0.047 R)
• M23: 71,581,684 km (0.118 R)
• M24: 73,384,188 km (0.04 R)
• M25: 79,211,325 km (0.1 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 13,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit