🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.5

Radius: 13.3

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.79 AU - 1.11 AU

Year: 639 Days

Day: 11.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,409,089 km

• M1: 165,455 km (0.104 R)
• M2: 587,770 km (0.088 R)
• M3: 1,002,455 km (0.114 R)
• M4: 1,461,422 km (0.074 R)
• M5: 2,071,781 km (0.108 R)
• M6: 2,580,114 km (0.039 R)
• M7: 3,469,623 km (0.101 R)
• M8: 4,151,191 km (0.084 R)
• M9: 4,719,813 km (0.105 R)
• M10: 5,644,328 km (0.101 R)
• M11: 6,068,438 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.3

Radius: 13.1

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.94 AU - 1.04 AU

Year: 680 Days

Day: 5.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,409,089 km

• M1: 163,211 km (0.079 R)
• M2: 621,280 km (0.036 R)
• M3: 1,055,263 km (0.112 R)
• M4: 1,726,060 km (0.111 R)
• M5: 2,248,456 km (0.103 R)
• M6: 3,549,209 km (0.109 R)
• M7: 4,864,474 km (0.066 R)
• M8: 5,521,657 km (0.106 R)
• M9: 5,940,083 km (0.111 R)
• M10: 6,607,588 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.7

Radius: 13.2

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.94 AU - 1.18 AU

Year: 753 Days

Day: 7.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,409,089 km

• M1: 164,258 km (0.042 R)
• M2: 576,700 km (0.08 R)
• M3: 1,333,665 km (0.112 R)
• M4: 1,838,259 km (0.104 R)
• M5: 2,278,525 km (0.066 R)
• M6: 2,943,637 km (0.094 R)
• M7: 3,415,170 km (0.074 R)
• M8: 4,319,339 km (0.051 R)
• M9: 4,836,200 km (0.089 R)
• M10: 5,292,773 km (0.116 R)
• M11: 5,995,284 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.4

Radius: 15

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.08 AU - 1.28 AU

Year: 885 Days

Day: 11.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,409,089 km

• M1: 186,848 km (0.103 R)
• M2: 887,714 km (0.06 R)
• M3: 1,529,937 km (0.069 R)
• M4: 2,553,187 km (0.067 R)
• M5: 3,721,247 km (0.101 R)
• M6: 5,892,810 km (0.111 R)
• M7: 6,558,371 km (0.08 R)
• M8: 7,921,207 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.2

Radius: 13

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.62 AU - 2.34 AU

Year: 1923 Days

Day: 10.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,409,089 km

• M1: 161,715 km (0.108 R)
• M2: 1,466,508 km (0.087 R)
• M3: 2,397,904 km (0.063 R)
• M4: 2,835,478 km (0.105 R)
• M5: 3,445,389 km (0.114 R)
• M6: 4,360,180 km (0.055 R)
• M7: 4,908,157 km (0.108 R)
• M8: 5,501,761 km (0.114 R)
• M9: 6,376,160 km (0.105 R)
• M10: 7,197,752 km (0.069 R)
• M11: 7,693,818 km (0.081 R)
• M12: 8,689,991 km (0.07 R)
• M13: 9,118,589 km (0.065 R)
• M14: 10,749,804 km (0.071 R)
• M15: 12,034,700 km (0.103 R)
• M16: 12,861,827 km (0.049 R)
• M17: 13,993,235 km (0.101 R)
• M18: 14,583,399 km (0.028 R)
• M19: 16,553,902 km (0.111 R)
• M20: 17,162,915 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.2

Radius: 4.9

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.01 AU - 7.81 AU

Year: 12538 Days

Day: 18.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 38,409,089 km

• M1: 60,886 km (0.071 R)
• M2: 249,380 km (0.104 R)
• M3: 406,009 km (0.109 R)
• M4: 711,936 km (0.091 R)
• M5: 1,106,725 km (0.114 R)
• M6: 1,541,756 km (0.096 R)
• M7: 3,067,504 km (0.079 R)
• M8: 3,697,012 km (0.115 R)
• M9: 3,867,105 km (0.079 R)
• M10: 8,679,968 km (0.088 R)
• M11: 9,024,641 km (0.103 R)
• M12: 10,641,046 km (0.111 R)
• M13: 10,837,169 km (0.119 R)
• M14: 12,012,709 km (0.109 R)
• M15: 14,314,721 km (0.072 R)
• M16: 16,238,998 km (0.074 R)
• M17: 18,682,380 km (0.12 R)
• M18: 20,440,754 km (0.09 R)
• M19: 24,029,607 km (0.086 R)
• M20: 25,400,522 km (0.064 R)
• M21: 25,663,216 km (0.091 R)
• M22: 26,372,758 km (0.075 R)
• M23: 26,552,126 km (0.045 R)
• M24: 27,461,382 km (0.118 R)
• M25: 28,863,862 km (0.107 R)
• M26: 31,507,406 km (0.095 R)
• M27: 32,423,244 km (0.091 R)
• M28: 33,043,626 km (0.089 R)
• M29: 35,713,799 km (0.055 R)
• M30: 37,722,898 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 12,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit