🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.8

Radius: 13.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.51 AU - 2.51 AU

Year: 1840 Days

Day: 11.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,379,726 km

• M1: 165,455 km (0.034 R)
• M2: 996,322 km (0.077 R)
• M3: 1,528,591 km (0.101 R)
• M4: 1,961,078 km (0.053 R)
• M5: 2,399,400 km (0.118 R)
• M6: 3,364,456 km (0.1 R)
• M7: 3,945,793 km (0.086 R)
• M8: 4,533,713 km (0.068 R)
• M9: 5,536,617 km (0.112 R)
• M10: 6,656,357 km (0.1 R)
• M11: 7,805,718 km (0.109 R)
• M12: 10,461,080 km (0.111 R)
• M13: 12,324,321 km (0.106 R)
• M14: 12,802,586 km (0.05 R)
• M15: 14,268,944 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.1

Radius: 12.5

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.97 AU - 2.31 AU

Year: 2021 Days

Day: 9.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,379,726 km

• M1: 155,432 km (0.088 R)
• M2: 636,240 km (0.068 R)
• M3: 1,026,840 km (0.1 R)
• M4: 1,452,147 km (0.105 R)
• M5: 1,927,868 km (0.104 R)
• M6: 2,591,334 km (0.112 R)
• M7: 4,078,337 km (0.073 R)
• M8: 5,552,624 km (0.09 R)
• M9: 6,707,520 km (0.107 R)
• M10: 7,298,581 km (0.115 R)
• M11: 8,016,351 km (0.073 R)
• M12: 8,585,123 km (0.087 R)
• M13: 8,979,163 km (0.115 R)
• M14: 10,198,236 km (0.074 R)
• M15: 10,904,638 km (0.058 R)
• M16: 11,367,493 km (0.088 R)
• M17: 12,457,015 km (0.112 R)
• M18: 13,351,610 km (0.101 R)
• M19: 13,971,394 km (0.098 R)
• M20: 14,517,875 km (0.103 R)
• M21: 17,104,273 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.2

Radius: 11.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.96 AU - 3.5 AU

Year: 3748 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,379,726 km

• M1: 151,243 km (0.118 R)
• M2: 1,063,192 km (0.104 R)
• M3: 2,061,758 km (0.059 R)
• M4: 2,691,714 km (0.113 R)
• M5: 3,208,874 km (0.114 R)
• M6: 3,682,800 km (0.11 R)
• M7: 4,072,353 km (0.12 R)
• M8: 4,918,628 km (0.089 R)
• M9: 5,896,849 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.2

Radius: 13.9

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.82 AU - 4.22 AU

Year: 4264 Days

Day: 12.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,379,726 km

• M1: 173,683 km (0.114 R)
• M2: 661,522 km (0.098 R)
• M3: 1,305,690 km (0.112 R)
• M4: 1,846,337 km (0.117 R)
• M5: 2,536,282 km (0.098 R)
• M6: 3,099,967 km (0.119 R)
• M7: 4,103,320 km (0.045 R)
• M8: 4,693,184 km (0.049 R)
• M9: 5,134,199 km (0.082 R)
• M10: 5,629,966 km (0.077 R)
• M11: 6,244,066 km (0.074 R)
• M12: 6,748,958 km (0.108 R)
• M13: 7,313,242 km (0.073 R)
• M14: 10,172,356 km (0.042 R)
• M15: 11,214,604 km (0.087 R)
• M16: 12,098,728 km (0.051 R)
• M17: 19,141,496 km (0.083 R)
• M18: 23,732,206 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.4

Radius: 13.7

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.19 AU - 5.79 AU

Year: 7197 Days

Day: 15 Hours

Environment

Temp: -211 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,379,726 km

• M1: 170,392 km (0.066 R)
• M2: 628,909 km (0.114 R)
• M3: 1,142,329 km (0.054 R)
• M4: 2,006,407 km (0.115 R)
• M5: 2,901,451 km (0.119 R)
• M6: 3,838,233 km (0.117 R)
• M7: 4,821,689 km (0.058 R)
• M8: 5,321,346 km (0.105 R)
• M9: 6,164,779 km (0.085 R)
• M10: 9,123,525 km (0.118 R)
• M11: 9,617,946 km (0.065 R)
• M12: 13,500,011 km (0.065 R)
• M13: 15,491,308 km (0.107 R)
• M14: 16,529,368 km (0.025 R)
• M15: 17,265,988 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.5

Radius: 11.4

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.05 AU - 5.99 AU

Year: 8374 Days

Day: 12.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,379,726 km

• M1: 141,819 km (0.115 R)
• M2: 1,027,737 km (0.091 R)
• M3: 1,418,487 km (0.067 R)
• M4: 1,909,916 km (0.069 R)
• M5: 2,404,636 km (0.111 R)
• M6: 3,329,899 km (0.108 R)
• M7: 4,645,612 km (0.107 R)
• M8: 5,113,106 km (0.067 R)
• M9: 6,007,252 km (0.052 R)
• M10: 6,744,022 km (0.071 R)
• M11: 8,313,303 km (0.066 R)
• M12: 9,410,304 km (0.082 R)
• M13: 13,985,456 km (0.078 R)
• M14: 14,407,921 km (0.091 R)
• M15: 17,056,401 km (0.069 R)
• M16: 18,968,262 km (0.073 R)
• M17: 19,486,319 km (0.116 R)
• M18: 21,334,900 km (0.11 R)
• M19: 24,758,747 km (0.06 R)
• M20: 27,484,869 km (0.062 R)
• M21: 27,957,897 km (0.114 R)
• M22: 29,213,323 km (0.081 R)
• M23: 30,505,848 km (0.058 R)
• M24: 31,940,193 km (0.112 R)
• M25: 34,066,427 km (0.09 R)
• M26: 34,612,459 km (0.115 R)
• M27: 40,886,893 km (0.039 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 16,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit