🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.6

Radius: 10

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.81 AU - 1.05 AU

Year: 579 Days

Day: 10.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,993,848 km

• M1: 124,316 km (0.101 R)
• M2: 522,845 km (0.049 R)
• M3: 849,866 km (0.11 R)
• M4: 1,356,853 km (0.097 R)
• M5: 1,785,151 km (0.087 R)
• M6: 2,490,356 km (0.11 R)
• M7: 3,184,490 km (0.075 R)
• M8: 3,741,144 km (0.107 R)
• M9: 4,221,054 km (0.095 R)
• M10: 4,970,838 km (0.116 R)
• M11: 5,418,884 km (0.105 R)
• M12: 5,911,210 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.5

Radius: 8.1

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.83 AU - 1.15 AU

Year: 636 Days

Day: 12.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,993,848 km

• M1: 100,979 km (0.12 R)
• M2: 569,669 km (0.045 R)
• M3: 922,420 km (0.12 R)
• M4: 1,383,481 km (0.077 R)
• M5: 1,655,899 km (0.117 R)
• M6: 2,463,428 km (0.045 R)
• M7: 3,227,873 km (0.082 R)
• M8: 4,307,072 km (0.077 R)
• M9: 4,699,168 km (0.059 R)
• M10: 5,270,632 km (0.094 R)
• M11: 5,537,066 km (0.062 R)
• M12: 6,193,950 km (0.047 R)
• M13: 6,859,960 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.5

Radius: 10.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.22 AU - 1.84 AU

Year: 1222 Days

Day: 10 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,993,848 km

• M1: 131,796 km (0.055 R)
• M2: 574,755 km (0.09 R)
• M3: 910,901 km (0.096 R)
• M4: 1,897,350 km (0.095 R)
• M5: 2,625,293 km (0.111 R)
• M6: 4,181,560 km (0.114 R)
• M7: 5,393,003 km (0.115 R)
• M8: 8,811,315 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.5

Radius: 11.8

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.62 AU - 1.68 AU

Year: 1368 Days

Day: 9.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,993,848 km

• M1: 147,055 km (0.077 R)
• M2: 642,672 km (0.1 R)
• M3: 1,127,669 km (0.03 R)
• M4: 1,574,069 km (0.094 R)
• M5: 2,303,059 km (0.111 R)
• M6: 2,794,039 km (0.1 R)
• M7: 3,900,764 km (0.112 R)
• M8: 4,923,116 km (0.057 R)
• M9: 5,608,574 km (0.096 R)
• M10: 6,405,482 km (0.086 R)
• M11: 10,063,299 km (0.081 R)
• M12: 10,468,410 km (0.09 R)
• M13: 10,849,436 km (0.103 R)
• M14: 11,973,215 km (0.109 R)
• M15: 12,895,336 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.1

Radius: 12.9

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.95 AU - 5.43 AU

Year: 6558 Days

Day: 11.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,993,848 km

• M1: 160,369 km (0.098 R)
• M2: 650,152 km (0.109 R)
• M3: 1,078,002 km (0.034 R)
• M4: 2,106,488 km (0.076 R)
• M5: 2,674,660 km (0.108 R)
• M6: 3,944,746 km (0.051 R)
• M7: 4,519,651 km (0.094 R)
• M8: 5,019,158 km (0.112 R)
• M9: 5,695,640 km (0.079 R)
• M10: 6,189,761 km (0.091 R)
• M11: 6,744,022 km (0.073 R)
• M12: 8,349,356 km (0.056 R)
• M13: 9,459,373 km (0.076 R)
• M14: 10,070,929 km (0.094 R)
• M15: 11,878,221 km (0.072 R)
• M16: 13,432,094 km (0.075 R)
• M17: 13,892,705 km (0.095 R)
• M18: 16,822,430 km (0.077 R)
• M19: 17,721,214 km (0.114 R)
• M20: 19,745,573 km (0.078 R)
• M21: 22,202,418 km (0.1 R)
• M22: 23,726,222 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.2

Radius: 14.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.76 AU - 6.2 AU

Year: 7176 Days

Day: 6.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,993,848 km

• M1: 185,352 km (0.089 R)
• M2: 1,071,570 km (0.088 R)
• M3: 2,121,148 km (0.065 R)
• M4: 3,060,024 km (0.088 R)
• M5: 3,544,422 km (0.045 R)
• M6: 4,105,863 km (0.077 R)
• M7: 4,670,296 km (0.118 R)
• M8: 5,286,340 km (0.115 R)
• M9: 6,575,574 km (0.084 R)
• M10: 7,275,393 km (0.083 R)
• M11: 8,912,144 km (0.087 R)
• M12: 10,486,811 km (0.045 R)
• M13: 11,237,942 km (0.106 R)
• M14: 12,078,382 km (0.098 R)
• M15: 14,003,408 km (0.118 R)
• M16: 14,791,190 km (0.081 R)
• M17: 15,544,266 km (0.1 R)
• M18: 23,943,289 km (0.119 R)
• M19: 27,617,712 km (0.034 R)
• M20: 29,835,650 km (0.048 R)
• M21: 31,549,742 km (0.097 R)
• M22: 33,649,348 km (0.051 R)
• M23: 39,422,928 km (0.109 R)
• M24: 39,901,941 km (0.059 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: 498 - 11,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit