🌌 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 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.45 AU - 0.57 AU

Year: 239 Days

Day: 47.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,653,741 km

• M1: 245,341 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.9

Radius: 10.2

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.73 AU - 1.01 AU

Year: 532 Days

Day: 11.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,653,741 km

• M1: 126,859 km (0.057 R)
• M2: 889,958 km (0.116 R)
• M3: 1,513,781 km (0.111 R)
• M4: 1,966,614 km (0.105 R)
• M5: 2,373,221 km (0.095 R)
• M6: 3,257,045 km (0.114 R)
• M7: 3,892,387 km (0.102 R)
• M8: 4,226,738 km (0.1 R)
• M9: 4,793,265 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.9

Radius: 10

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.14 AU - 1.24 AU

Year: 852 Days

Day: 12.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,653,741 km

• M1: 124,316 km (0.102 R)
• M2: 525,388 km (0.097 R)
• M3: 855,999 km (0.025 R)
• M4: 1,222,065 km (0.1 R)
• M5: 1,867,580 km (0.075 R)
• M6: 2,599,263 km (0.108 R)
• M7: 3,082,464 km (0.103 R)
• M8: 3,755,355 km (0.06 R)
• M9: 5,468,101 km (0.119 R)
• M10: 6,712,456 km (0.057 R)
• M11: 8,111,645 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921

Radius: 10.4

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.24 AU - 1.72 AU

Year: 1181 Days

Day: 10.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,653,741 km

• M1: 129,402 km (0.087 R)
• M2: 574,157 km (0.032 R)
• M3: 1,181,374 km (0.096 R)
• M4: 1,549,834 km (0.114 R)
• M5: 1,891,665 km (0.118 R)
• M6: 2,238,134 km (0.119 R)
• M7: 2,920,898 km (0.116 R)
• M8: 3,465,135 km (0.112 R)
• M9: 4,006,381 km (0.1 R)
• M10: 5,862,142 km (0.066 R)
• M11: 6,928,625 km (0.034 R)
• M12: 7,762,484 km (0.093 R)
• M13: 8,488,034 km (0.085 R)
• M14: 10,204,071 km (0.029 R)
• M15: 10,566,696 km (0.119 R)
• M16: 11,387,540 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996

Radius: 11.1

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.41 AU - 1.81 AU

Year: 1340 Days

Day: 11.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,653,741 km

• M1: 138,079 km (0.085 R)
• M2: 492,327 km (0.05 R)
• M3: 967,001 km (0.072 R)
• M4: 1,313,320 km (0.103 R)
• M5: 1,951,654 km (0.098 R)
• M6: 2,801,370 km (0.084 R)
• M7: 3,287,563 km (0.065 R)
• M8: 4,149,995 km (0.113 R)
• M9: 4,605,221 km (0.112 R)
• M10: 5,009,883 km (0.092 R)
• M11: 5,684,270 km (0.057 R)
• M12: 7,705,637 km (0.104 R)
• M13: 9,064,135 km (0.098 R)
• M14: 9,965,911 km (0.094 R)
• M15: 12,060,281 km (0.06 R)
• M16: 12,519,846 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.8

Radius: 7.7

Gravity: 15.87 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.82 AU - 9.2 AU

Year: 13501 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,653,741 km

• M1: 95,743 km (0.102 R)
• M2: 562,937 km (0.062 R)
• M3: 1,039,855 km (0.111 R)
• M4: 1,747,303 km (0.1 R)
• M5: 2,185,625 km (0.058 R)
• M6: 3,921,259 km (0.085 R)
• M7: 4,192,929 km (0.084 R)
• M8: 4,707,247 km (0.098 R)
• M9: 5,861,394 km (0.07 R)
• M10: 8,818,495 km (0.029 R)
• M11: 9,181,121 km (0.094 R)
• M12: 11,447,977 km (0.09 R)
• M13: 12,973,726 km (0.081 R)
• M14: 15,065,852 km (0.086 R)
• M15: 16,346,111 km (0.084 R)
• M16: 24,759,495 km (0.097 R)
• M17: 25,273,962 km (0.092 R)
• M18: 27,185,523 km (0.098 R)
• M19: 27,843,455 km (0.106 R)
• M20: 29,650,148 km (0.095 R)
• M21: 30,936,540 km (0.104 R)
• M22: 36,191,614 km (0.083 R)
• M23: 37,390,342 km (0.03 R)
• M24: 41,144,950 km (0.118 R)
• M25: 45,911,287 km (0.098 R)
• M26: 56,345,589 km (0.069 R)
• M27: 61,638,511 km (0.033 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.3

Radius: 6.4

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.06 AU - 9.78 AU

Year: 18966 Days

Day: 17 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,653,741 km

• M1: 88,712 km (0.097 R)
• M2: 307,124 km (0.118 R)
• M3: 875,746 km (0.03 R)
• M4: 1,094,757 km (0.069 R)
• M5: 3,792,456 km (0.08 R)
• M6: 5,434,143 km (0.115 R)
• M7: 6,565,103 km (0.044 R)
• M8: 8,428,344 km (0.101 R)
• M9: 9,283,146 km (0.049 R)
• M10: 10,618,008 km (0.107 R)
• M11: 12,550,513 km (0.075 R)
• M12: 12,853,150 km (0.116 R)
• M13: 16,511,715 km (0.118 R)
• M14: 26,584,738 km (0.034 R)
• M15: 28,101,810 km (0.091 R)
• M16: 36,806,611 km (0.061 R)
• M17: 47,149,958 km (0.064 R)
• M18: 48,176,349 km (0.09 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 18,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit