🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.6

Radius: 9.2

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.54 AU - 0.88 AU

Year: 413 Days

Day: 12.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,807,280 km

• M1: 115,340 km (0.083 R)
• M2: 451,038 km (0.092 R)
• M3: 843,433 km (0.092 R)
• M4: 1,233,135 km (0.045 R)
• M5: 1,603,988 km (0.066 R)
• M6: 2,074,324 km (0.118 R)
• M7: 2,934,362 km (0.08 R)
• M8: 3,245,825 km (0.069 R)
• M9: 3,754,607 km (0.105 R)
• M10: 4,109,154 km (0.069 R)
• M11: 4,675,681 km (0.116 R)
• M12: 5,571,922 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.5

Radius: 13.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.62 AU - 0.94 AU

Year: 476 Days

Day: 7.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,807,280 km

• M1: 172,935 km (0.059 R)
• M2: 727,345 km (0.114 R)
• M3: 1,349,672 km (0.103 R)
• M4: 2,044,405 km (0.081 R)
• M5: 2,523,566 km (0.091 R)
• M6: 3,100,266 km (0.103 R)
• M7: 4,379,627 km (0.074 R)
• M8: 4,831,562 km (0.115 R)
• M9: 5,693,994 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.4

Radius: 8.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.76 AU - 0.84 AU

Year: 494 Days

Day: 10.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 32,807,280 km

• M1: 105,766 km (0.105 R)
• M2: 413,189 km (0.094 R)
• M3: 876,644 km (0.105 R)
• M4: 1,386,623 km (0.073 R)
• M5: 1,758,224 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.9

Radius: 13.7

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.03 AU - 1.51 AU

Year: 988 Days

Day: 14.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,807,280 km

• M1: 170,392 km (0.069 R)
• M2: 963,410 km (0.094 R)
• M3: 1,489,696 km (0.096 R)
• M4: 1,939,237 km (0.056 R)
• M5: 2,564,257 km (0.092 R)
• M6: 3,484,134 km (0.082 R)
• M7: 4,469,386 km (0.074 R)
• M8: 5,125,373 km (0.096 R)
• M9: 6,491,351 km (0.101 R)
• M10: 7,980,897 km (0.103 R)
• M11: 8,834,801 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.5

Radius: 10.5

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.51 AU - 1.73 AU

Year: 1423 Days

Day: 8.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,807,280 km

• M1: 130,599 km (0.061 R)
• M2: 521,049 km (0.073 R)
• M3: 1,097,151 km (0.108 R)
• M4: 1,911,113 km (0.062 R)
• M5: 2,365,741 km (0.118 R)
• M6: 2,820,369 km (0.081 R)
• M7: 3,319,577 km (0.083 R)
• M8: 3,746,379 km (0.059 R)
• M9: 4,415,232 km (0.107 R)
• M10: 5,641,186 km (0.092 R)
• M11: 6,689,418 km (0.083 R)
• M12: 7,442,195 km (0.074 R)
• M13: 7,815,442 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.4

Radius: 14.4

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.05 AU - 3.13 AU

Year: 2877 Days

Day: 8.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,807,280 km

• M1: 179,218 km (0.028 R)
• M2: 755,469 km (0.105 R)
• M3: 1,441,974 km (0.032 R)
• M4: 2,257,881 km (0.094 R)
• M5: 3,047,757 km (0.094 R)
• M6: 3,619,969 km (0.044 R)
• M7: 4,224,793 km (0.05 R)
• M8: 4,790,423 km (0.063 R)
• M9: 5,429,505 km (0.045 R)
• M10: 7,209,121 km (0.041 R)
• M11: 8,355,789 km (0.034 R)
• M12: 9,757,521 km (0.115 R)
• M13: 10,281,712 km (0.063 R)
• M14: 11,272,948 km (0.106 R)
• M15: 11,968,578 km (0.089 R)
• M16: 13,746,698 km (0.092 R)
• M17: 14,228,553 km (0.111 R)
• M18: 14,767,105 km (0.104 R)
• M19: 15,226,370 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.9

Radius: 10.2

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.71 AU - 4.31 AU

Year: 5543 Days

Day: 5.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 62.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,807,280 km

• M1: 135,386 km (0.089 R)
• M2: 519,254 km (0.115 R)
• M3: 1,366,577 km (0.1 R)
• M4: 1,795,623 km (0.119 R)
• M5: 2,140,895 km (0.076 R)
• M6: 2,582,807 km (0.025 R)
• M7: 3,349,496 km (0.053 R)
• M8: 3,718,554 km (0.115 R)
• M9: 4,114,689 km (0.085 R)
• M10: 4,590,710 km (0.042 R)
• M11: 6,536,230 km (0.091 R)
• M12: 7,691,575 km (0.109 R)
• M13: 8,534,259 km (0.099 R)
• M14: 9,184,860 km (0.047 R)
• M15: 11,578,127 km (0.078 R)
• M16: 11,922,651 km (0.113 R)
• M17: 14,024,501 km (0.06 R)
• M18: 14,472,846 km (0.066 R)
• M19: 18,211,746 km (0.077 R)
• M20: 18,880,747 km (0.115 R)
• M21: 21,721,312 km (0.092 R)
• M22: 22,856,311 km (0.082 R)
• M23: 24,511,162 km (0.029 R)
• M24: 26,839,803 km (0.099 R)
• M25: 27,618,759 km (0.11 R)
• M26: 28,323,514 km (0.099 R)
• M27: 31,836,671 km (0.097 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 16,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit