🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.7

Radius: 13.7

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.47 AU - 0.61 AU

Year: 265 Days

Day: 11.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,037,660 km

• M1: 173,085 km (0.096 R)
• M2: 628,161 km (0.057 R)
• M3: 1,099,844 km (0.111 R)
• M4: 1,598,603 km (0.106 R)
• M5: 2,118,605 km (0.109 R)
• M6: 2,626,041 km (0.115 R)
• M7: 3,380,463 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.7

Radius: 14.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.43 AU - 1.71 AU

Year: 1312 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,037,660 km

• M1: 176,675 km (0.104 R)
• M2: 626,366 km (0.084 R)
• M3: 1,091,167 km (0.031 R)
• M4: 1,621,342 km (0.059 R)
• M5: 2,098,559 km (0.107 R)
• M6: 2,631,875 km (0.107 R)
• M7: 4,441,710 km (0.089 R)
• M8: 5,002,403 km (0.093 R)
• M9: 5,458,976 km (0.12 R)
• M10: 5,966,262 km (0.089 R)
• M11: 6,409,072 km (0.096 R)
• M12: 7,982,243 km (0.112 R)
• M13: 8,844,525 km (0.11 R)
• M14: 9,515,621 km (0.084 R)
• M15: 11,520,233 km (0.088 R)
• M16: 12,210,029 km (0.065 R)
• M17: 12,850,607 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391

Radius: 13.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.44 AU - 2.26 AU

Year: 1678 Days

Day: 9.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,037,660 km

• M1: 165,306 km (0.105 R)
• M2: 855,700 km (0.107 R)
• M3: 2,397,306 km (0.11 R)
• M4: 3,277,540 km (0.069 R)
• M5: 3,801,282 km (0.075 R)
• M6: 5,279,010 km (0.07 R)
• M7: 6,411,914 km (0.11 R)
• M8: 6,839,914 km (0.104 R)
• M9: 8,804,882 km (0.1 R)
• M10: 9,425,264 km (0.084 R)
• M11: 9,886,325 km (0.096 R)
• M12: 10,297,869 km (0.109 R)
• M13: 10,820,264 km (0.112 R)
• M14: 11,953,767 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.2

Radius: 14.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.54 AU - 3.44 AU

Year: 3448 Days

Day: 9.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,037,660 km

• M1: 179,368 km (0.118 R)
• M2: 696,228 km (0.114 R)
• M3: 1,337,555 km (0.105 R)
• M4: 2,026,902 km (0.098 R)
• M5: 2,788,804 km (0.111 R)
• M6: 3,494,008 km (0.086 R)
• M7: 4,465,197 km (0.054 R)
• M8: 5,049,826 km (0.118 R)
• M9: 5,970,301 km (0.111 R)
• M10: 6,512,893 km (0.116 R)
• M11: 6,999,834 km (0.068 R)
• M12: 7,951,127 km (0.077 R)
• M13: 9,375,299 km (0.116 R)
• M14: 11,204,581 km (0.081 R)
• M15: 12,332,699 km (0.041 R)
• M16: 15,509,410 km (0.077 R)
• M17: 15,967,179 km (0.059 R)
• M18: 17,232,478 km (0.117 R)
• M19: 17,945,312 km (0.04 R)
• M20: 18,849,332 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.3

Radius: 13.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.83 AU - 3.63 AU

Year: 3871 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,037,660 km

• M1: 172,935 km (0.115 R)
• M2: 726,148 km (0.053 R)
• M3: 1,308,533 km (0.035 R)
• M4: 1,829,881 km (0.051 R)
• M5: 2,854,327 km (0.086 R)
• M6: 3,359,968 km (0.118 R)
• M7: 5,201,668 km (0.064 R)
• M8: 5,856,757 km (0.102 R)
• M9: 6,509,901 km (0.094 R)
• M10: 8,060,034 km (0.066 R)
• M11: 8,525,882 km (0.093 R)
• M12: 10,377,305 km (0.107 R)
• M13: 14,862,249 km (0.047 R)
• M14: 16,184,545 km (0.078 R)
• M15: 16,874,490 km (0.104 R)
• M16: 17,806,186 km (0.111 R)
• M17: 19,832,190 km (0.104 R)
• M18: 20,438,360 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.6

Radius: 10.6

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.43 AU - 5.29 AU

Year: 7145 Days

Day: 13.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,037,660 km

• M1: 131,796 km (0.098 R)
• M2: 508,483 km (0.055 R)
• M3: 1,544,149 km (0.108 R)
• M4: 1,944,922 km (0.05 R)
• M5: 2,668,676 km (0.076 R)
• M6: 3,494,756 km (0.112 R)
• M7: 3,869,798 km (0.091 R)
• M8: 4,509,927 km (0.108 R)
• M9: 4,955,878 km (0.113 R)
• M10: 6,133,812 km (0.1 R)
• M11: 7,263,126 km (0.089 R)
• M12: 8,609,357 km (0.116 R)
• M13: 9,837,556 km (0.102 R)
• M14: 13,987,401 km (0.082 R)
• M15: 14,696,794 km (0.058 R)
• M16: 16,380,518 km (0.103 R)
• M17: 18,963,176 km (0.099 R)
• M18: 19,612,430 km (0.093 R)
• M19: 20,127,646 km (0.073 R)
• M20: 24,495,305 km (0.104 R)
• M21: 25,352,052 km (0.108 R)
• M22: 25,787,831 km (0.067 R)
• M23: 27,765,215 km (0.075 R)
• M24: 30,035,363 km (0.061 R)
• M25: 34,407,510 km (0.056 R)
• M26: 35,157,145 km (0.118 R)
• M27: 35,917,850 km (0.073 R)
• M28: 37,584,670 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 16,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit