🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.5 AU - 0.58 AU

Year: 145 Days

Day: 21.9 Hours

Environment

Temp: 244 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 56,159,031 km

• M1: 47,273 km (0.105 R)
• M2: 138,228 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.76 AU - 1.06 AU

Year: 317 Days

Day: 27.3 Hours

Environment

Temp: 79 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.6 AU - 4.26 AU

Year: 2846 Days

Day: 31.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.52 AU - 4.8 AU

Year: 3674 Days

Day: 46.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.52 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.9

Radius: 12.7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.42 AU - 12.32 AU

Year: 12197 Days

Day: 5.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,159,031 km

• M1: 159,172 km (0.059 R)
• M2: 666,608 km (0.065 R)
• M3: 1,325,736 km (0.059 R)
• M4: 1,795,773 km (0.049 R)
• M5: 2,192,207 km (0.078 R)
• M6: 3,589,003 km (0.111 R)
• M7: 5,928,115 km (0.05 R)
• M8: 6,573,630 km (0.095 R)
• M9: 7,303,518 km (0.117 R)
• M10: 8,795,607 km (0.102 R)
• M11: 12,213,769 km (0.057 R)
• M12: 12,647,453 km (0.1 R)
• M13: 17,845,680 km (0.064 R)
• M14: 18,760,321 km (0.114 R)
• M15: 22,089,322 km (0.084 R)
• M16: 23,893,323 km (0.088 R)
• M17: 28,925,646 km (0.083 R)
• M18: 30,881,937 km (0.092 R)
• M19: 31,485,714 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.2

Radius: 6.9

Gravity: 16.45 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 15.6 AU - 19.94 AU

Year: 27360 Days

Day: 21.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,159,031 km

• M1: 89,011 km (0.108 R)
• M2: 409,898 km (0.098 R)
• M3: 1,971,550 km (0.113 R)
• M4: 2,282,714 km (0.092 R)
• M5: 2,678,251 km (0.087 R)
• M6: 3,638,370 km (0.062 R)
• M7: 4,143,562 km (0.06 R)
• M8: 8,487,734 km (0.08 R)
• M9: 8,953,283 km (0.109 R)
• M10: 10,127,327 km (0.059 R)
• M11: 11,055,731 km (0.11 R)
• M12: 12,184,747 km (0.051 R)
• M13: 13,080,688 km (0.086 R)
• M14: 13,466,651 km (0.107 R)
• M15: 13,860,243 km (0.088 R)
• M16: 19,798,829 km (0.063 R)
• M17: 21,245,740 km (0.114 R)
• M18: 23,095,817 km (0.072 R)
• M19: 25,526,184 km (0.061 R)
• M20: 27,238,032 km (0.105 R)
• M21: 33,687,047 km (0.113 R)
• M22: 34,852,265 km (0.074 R)
• M23: 36,195,055 km (0.034 R)
• M24: 44,983,631 km (0.095 R)
• M25: 62,395,626 km (0.04 R)
• M26: 66,390,637 km (0.112 R)
• M27: 72,938,536 km (0.114 R)
• M28: 76,617,297 km (0.112 R)
• M29: 77,618,855 km (0.09 R)
• M30: 78,375,671 km (0.104 R)
• M31: 87,028,262 km (0.102 R)
• M32: 87,572,200 km (0.109 R)
• M33: 88,666,808 km (0.116 R)
• M34: 90,048,045 km (0.086 R)
• M35: 91,163,297 km (0.094 R)
• M36: 91,724,289 km (0.073 R)
• M37: 92,005,682 km (0.1 R)
• M38: 93,706,161 km (0.095 R)
• M39: 94,277,625 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.7

Radius: 4.4

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 17.78 AU - 19.1 AU

Year: 28922 Days

Day: 20.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,159,031 km

• M1: 55,052 km (0.12 R)
• M2: 240,254 km (0.112 R)
• M3: 392,994 km (0.108 R)
• M4: 996,023 km (0.086 R)
• M5: 2,182,932 km (0.065 R)
• M6: 2,378,606 km (0.044 R)
• M7: 4,122,917 km (0.104 R)
• M8: 4,484,346 km (0.097 R)
• M9: 4,932,391 km (0.086 R)
• M10: 5,374,453 km (0.102 R)
• M11: 5,991,844 km (0.042 R)
• M12: 9,086,874 km (0.094 R)
• M13: 9,338,198 km (0.095 R)
• M14: 25,271,120 km (0.109 R)
• M15: 25,668,152 km (0.068 R)
• M16: 27,090,828 km (0.075 R)
• M17: 32,134,371 km (0.073 R)
• M18: 34,267,187 km (0.031 R)
• M19: 37,769,274 km (0.108 R)
• M20: 44,314,779 km (0.113 R)
• M21: 46,952,189 km (0.104 R)
• M22: 53,021,525 km (0.093 R)
• M23: 55,655,644 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 17,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit