🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.57 AU - 0.65 AU

Year: 180 Days

Day: 44.5 Hours

Environment

Temp: 138 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,387,890 km

• M1: 372,349 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.22 AU - 1.26 AU

Year: 523 Days

Day: 17.6 Hours

Environment

Temp: -25 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.1 AU - 1.54 AU

Year: 574 Days

Day: 25.3 Hours

Environment

Temp: -29 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.18 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.1

Radius: 11.3

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.56 AU - 5.5 AU

Year: 4273 Days

Day: 9.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,387,890 km

• M1: 140,622 km (0.064 R)
• M2: 582,534 km (0.068 R)
• M3: 1,168,359 km (0.087 R)
• M4: 1,632,262 km (0.115 R)
• M5: 2,012,091 km (0.036 R)
• M6: 3,102,510 km (0.111 R)
• M7: 3,461,396 km (0.114 R)
• M8: 5,271,979 km (0.085 R)
• M9: 6,582,456 km (0.076 R)
• M10: 7,206,279 km (0.114 R)
• M11: 8,333,200 km (0.104 R)
• M12: 9,316,656 km (0.118 R)
• M13: 10,171,159 km (0.025 R)
• M14: 11,885,252 km (0.099 R)
• M15: 12,342,273 km (0.096 R)
• M16: 13,701,370 km (0.086 R)
• M17: 14,161,682 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.3

Radius: 8.9

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.99 AU - 10.99 AU

Year: 10209 Days

Day: 12.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,387,890 km

• M1: 393,592 km (0.1 R)
• M2: 831,315 km (0.085 R)
• M3: 2,128,329 km (0.112 R)
• M4: 2,679,298 km (0.101 R)
• M5: 3,185,986 km (0.101 R)
• M6: 5,444,166 km (0.113 R)
• M7: 6,012,787 km (0.109 R)
• M8: 6,920,248 km (0.105 R)
• M9: 10,641,645 km (0.058 R)
• M10: 12,242,791 km (0.052 R)
• M11: 12,926,154 km (0.041 R)
• M12: 15,193,758 km (0.101 R)
• M13: 16,184,246 km (0.119 R)
• M14: 17,785,840 km (0.06 R)
• M15: 20,343,066 km (0.113 R)
• M16: 21,382,472 km (0.11 R)
• M17: 22,964,769 km (0.057 R)
• M18: 25,619,683 km (0.107 R)
• M19: 27,983,179 km (0.075 R)
• M20: 29,067,614 km (0.105 R)
• M21: 38,171,243 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.6

Radius: 5.5

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 10.62 AU - 13.48 AU

Year: 15843 Days

Day: 20.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,387,890 km

• M1: 68,366 km (0.11 R)
• M2: 1,257,520 km (0.097 R)
• M3: 1,839,605 km (0.088 R)
• M4: 2,220,930 km (0.107 R)
• M5: 2,454,751 km (0.046 R)
• M6: 2,739,436 km (0.108 R)
• M7: 3,814,147 km (0.079 R)
• M8: 4,220,006 km (0.046 R)
• M9: 4,933,738 km (0.111 R)
• M10: 6,853,228 km (0.046 R)
• M11: 8,947,149 km (0.098 R)
• M12: 9,826,336 km (0.038 R)
• M13: 10,117,902 km (0.081 R)
• M14: 13,408,607 km (0.117 R)
• M15: 14,185,020 km (0.076 R)
• M16: 21,437,076 km (0.088 R)
• M17: 22,282,304 km (0.031 R)
• M18: 23,517,533 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457

Radius: 7.8

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 13.84 AU - 20.62 AU

Year: 27088 Days

Day: 15 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,387,890 km

• M1: 96,939 km (0.082 R)
• M2: 388,206 km (0.118 R)
• M3: 828,473 km (0.08 R)
• M4: 2,313,830 km (0.084 R)
• M5: 7,554,094 km (0.078 R)
• M6: 9,370,960 km (0.118 R)
• M7: 13,111,954 km (0.077 R)
• M8: 14,296,620 km (0.079 R)
• M9: 16,623,166 km (0.088 R)
• M10: 18,822,105 km (0.101 R)
• M11: 29,810,966 km (0.107 R)
• M12: 32,638,964 km (0.117 R)
• M13: 33,575,148 km (0.113 R)
• M14: 35,360,897 km (0.118 R)
• M15: 37,209,030 km (0.051 R)
• M16: 37,644,509 km (0.095 R)
• M17: 41,406,596 km (0.096 R)
• M18: 48,450,711 km (0.104 R)
• M19: 50,727,890 km (0.114 R)
• M20: 51,084,382 km (0.115 R)
• M21: 53,258,936 km (0.087 R)
• M22: 54,555,501 km (0.075 R)
• M23: 66,118,669 km (0.066 R)
• M24: 67,831,564 km (0.115 R)
• M25: 71,569,417 km (0.032 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: 508 - 14,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit