🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.27 AU - 1.49 AU

Year: 572 Days

Day: 46.2 Hours

Environment

Temp: -1 °C

Axial Tilt: 1.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 41,331,343 km

• M1: 129,701 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.38 AU - 2.64 AU

Year: 1404 Days

Day: 36.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.7

Radius: 8.3

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.24 AU - 7.2 AU

Year: 5478 Days

Day: 13.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,331,343 km

• M1: 104,419 km (0.08 R)
• M2: 912,547 km (0.1 R)
• M3: 1,535,173 km (0.118 R)
• M4: 2,060,262 km (0.049 R)
• M5: 2,810,794 km (0.069 R)
• M6: 3,109,541 km (0.077 R)
• M7: 4,613,299 km (0.1 R)
• M8: 6,839,764 km (0.047 R)
• M9: 8,420,266 km (0.115 R)
• M10: 9,404,620 km (0.105 R)
• M11: 10,660,943 km (0.101 R)
• M12: 11,062,912 km (0.119 R)
• M13: 13,878,942 km (0.102 R)
• M14: 14,504,262 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.5

Radius: 10.4

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.73 AU - 10.07 AU

Year: 10999 Days

Day: 8 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,331,343 km

• M1: 130,449 km (0.057 R)
• M2: 543,339 km (0.049 R)
• M3: 867,967 km (0.06 R)
• M4: 1,243,757 km (0.108 R)
• M5: 2,017,626 km (0.082 R)
• M6: 2,433,808 km (0.114 R)
• M7: 2,885,294 km (0.113 R)
• M8: 3,824,021 km (0.12 R)
• M9: 4,178,717 km (0.06 R)
• M10: 4,525,635 km (0.114 R)
• M11: 6,147,575 km (0.052 R)
• M12: 8,038,193 km (0.04 R)
• M13: 9,140,280 km (0.061 R)
• M14: 12,450,582 km (0.037 R)
• M15: 13,111,655 km (0.047 R)
• M16: 17,879,040 km (0.09 R)
• M17: 20,564,920 km (0.086 R)
• M18: 20,897,626 km (0.044 R)
• M19: 22,264,651 km (0.052 R)
• M20: 23,690,468 km (0.116 R)
• M21: 24,332,991 km (0.067 R)
• M22: 27,419,345 km (0.101 R)
• M23: 31,743,023 km (0.096 R)
• M24: 36,622,456 km (0.108 R)
• M25: 42,113,446 km (0.093 R)
• M26: 44,984,379 km (0.076 R)
• M27: 46,539,000 km (0.042 R)
• M28: 48,129,225 km (0.085 R)
• M29: 49,457,056 km (0.101 R)
• M30: 50,205,195 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.7

Radius: 12.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.54 AU - 12.26 AU

Year: 11843 Days

Day: 5.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,331,343 km

• M1: 160,818 km (0.053 R)
• M2: 628,311 km (0.11 R)
• M3: 1,124,078 km (0.026 R)
• M4: 1,629,420 km (0.033 R)
• M5: 2,444,728 km (0.09 R)
• M6: 2,885,145 km (0.086 R)
• M7: 3,979,303 km (0.094 R)
• M8: 4,594,001 km (0.043 R)
• M9: 5,980,324 km (0.104 R)
• M10: 6,679,395 km (0.052 R)
• M11: 10,471,253 km (0.087 R)
• M12: 13,955,686 km (0.057 R)
• M13: 15,569,847 km (0.116 R)
• M14: 16,961,855 km (0.091 R)
• M15: 17,653,147 km (0.102 R)
• M16: 18,148,166 km (0.117 R)
• M17: 20,221,743 km (0.086 R)
• M18: 25,546,828 km (0.099 R)
• M19: 31,120,097 km (0.099 R)
• M20: 35,070,229 km (0.1 R)
• M21: 38,627,517 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.2

Radius: 14.8

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 10.49 AU - 12.59 AU

Year: 13842 Days

Day: 5.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,331,343 km

• M1: 185,352 km (0.08 R)
• M2: 711,338 km (0.099 R)
• M3: 1,772,884 km (0.104 R)
• M4: 2,424,084 km (0.056 R)
• M5: 4,374,840 km (0.111 R)
• M6: 5,420,679 km (0.093 R)
• M7: 7,371,585 km (0.112 R)
• M8: 8,851,556 km (0.115 R)
• M9: 9,662,227 km (0.07 R)
• M10: 14,911,168 km (0.11 R)
• M11: 17,473,779 km (0.106 R)
• M12: 18,677,893 km (0.062 R)
• M13: 21,172,587 km (0.075 R)
• M14: 23,373,022 km (0.107 R)
• M15: 24,398,366 km (0.085 R)
• M16: 25,992,480 km (0.119 R)
• M17: 33,925,955 km (0.087 R)
• M18: 34,578,949 km (0.112 R)
• M19: 37,390,641 km (0.084 R)
• M20: 37,854,395 km (0.113 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 15,572 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit