🌌 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: 564.1

Radius: 11.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.44 AU - 0.58 AU

Year: 251 Days

Day: 7.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,215,491 km

• M1: 146,905 km (0.12 R)
• M2: 562,039 km (0.098 R)
• M3: 943,813 km (0.111 R)
• M4: 1,402,630 km (0.056 R)
• M5: 1,833,472 km (0.079 R)
• M6: 2,259,825 km (0.076 R)
• M7: 2,787,906 km (0.057 R)
• M8: 3,490,118 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.5

Radius: 10.7

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.55 AU - 0.91 AU

Year: 431 Days

Day: 13.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,215,491 km

• M1: 133,292 km (0.114 R)
• M2: 655,388 km (0.096 R)
• M3: 1,066,034 km (0.067 R)
• M4: 1,460,674 km (0.096 R)
• M5: 1,871,918 km (0.103 R)
• M6: 2,465,971 km (0.071 R)
• M7: 3,021,578 km (0.052 R)
• M8: 4,269,074 km (0.117 R)
• M9: 5,251,783 km (0.096 R)
• M10: 5,622,486 km (0.1 R)
• M11: 5,992,741 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.1

Radius: 14.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.02 AU - 1.18 AU

Year: 796 Days

Day: 10.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,215,491 km

• M1: 175,329 km (0.105 R)
• M2: 614,249 km (0.105 R)
• M3: 1,060,799 km (0.076 R)
• M4: 1,637,498 km (0.073 R)
• M5: 2,169,618 km (0.034 R)
• M6: 3,605,309 km (0.106 R)
• M7: 4,365,565 km (0.066 R)
• M8: 6,110,175 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.4

Radius: 9.3

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.32 AU - 3.46 AU

Year: 4308 Days

Day: 7.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,215,491 km

• M1: 119,529 km (0.115 R)
• M2: 919,279 km (0.07 R)
• M3: 1,324,240 km (0.06 R)
• M4: 1,704,069 km (0.099 R)
• M5: 2,097,362 km (0.111 R)
• M6: 3,633,283 km (0.097 R)
• M7: 5,157,985 km (0.032 R)
• M8: 6,047,644 km (0.054 R)
• M9: 6,418,197 km (0.106 R)
• M10: 6,902,895 km (0.099 R)
• M11: 7,945,293 km (0.1 R)
• M12: 8,277,699 km (0.114 R)
• M13: 8,970,337 km (0.113 R)
• M14: 9,995,831 km (0.104 R)
• M15: 11,234,950 km (0.066 R)
• M16: 11,748,818 km (0.067 R)
• M17: 12,425,450 km (0.083 R)
• M18: 13,436,731 km (0.109 R)
• M19: 14,069,231 km (0.113 R)
• M20: 14,611,374 km (0.087 R)
• M21: 15,393,770 km (0.064 R)
• M22: 16,086,409 km (0.099 R)
• M23: 19,066,099 km (0.102 R)
• M24: 22,688,911 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.9

Radius: 14.5

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.29 AU - 5.63 AU

Year: 7625 Days

Day: 5.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,215,491 km

• M1: 180,415 km (0.083 R)
• M2: 674,836 km (0.061 R)
• M3: 1,151,305 km (0.069 R)
• M4: 1,637,498 km (0.07 R)
• M5: 2,531,196 km (0.03 R)
• M6: 3,377,022 km (0.113 R)
• M7: 4,058,291 km (0.109 R)
• M8: 4,656,683 km (0.085 R)
• M9: 5,503,406 km (0.059 R)
• M10: 5,998,127 km (0.082 R)
• M11: 7,663,749 km (0.11 R)
• M12: 9,159,279 km (0.092 R)
• M13: 10,048,639 km (0.111 R)
• M14: 10,539,619 km (0.113 R)
• M15: 11,676,263 km (0.091 R)
• M16: 16,237,502 km (0.118 R)
• M17: 21,869,264 km (0.076 R)
• M18: 22,863,791 km (0.115 R)
• M19: 23,801,769 km (0.048 R)
• M20: 26,863,589 km (0.112 R)
• M21: 29,876,041 km (0.089 R)
• M22: 34,307,728 km (0.061 R)
• M23: 35,086,685 km (0.051 R)
• M24: 36,680,052 km (0.069 R)
• M25: 42,509,731 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.9

Radius: 7.4

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.35 AU - 7.93 AU

Year: 11810 Days

Day: 22.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,215,491 km

• M1: 92,152 km (0.105 R)
• M2: 823,985 km (0.117 R)
• M3: 1,401,732 km (0.116 R)
• M4: 2,495,891 km (0.114 R)
• M5: 4,569,168 km (0.087 R)
• M6: 6,769,902 km (0.096 R)
• M7: 7,911,184 km (0.071 R)
• M8: 8,204,994 km (0.106 R)
• M9: 11,185,882 km (0.061 R)
• M10: 15,987,375 km (0.033 R)
• M11: 18,577,363 km (0.096 R)
• M12: 22,171,302 km (0.07 R)
• M13: 22,587,782 km (0.117 R)
• M14: 23,956,005 km (0.088 R)
• M15: 24,749,472 km (0.055 R)
• M16: 26,018,361 km (0.056 R)
• M17: 29,080,480 km (0.098 R)
• M18: 35,454,396 km (0.091 R)
• M19: 38,364,224 km (0.087 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 14,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit