🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.63 AU - 1.01 AU

Year: 267 Days

Day: 17 Hours

Environment

Temp: 131 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.1 AU - 2.62 AU

Year: 1305 Days

Day: 33.4 Hours

Environment

Temp: -69 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.73 AU - 2.87 AU

Year: 1686 Days

Day: 31.4 Hours

Environment

Temp: -89 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,036,937 km

• M1: 2,458,342 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.83 AU - 4.13 AU

Year: 2858 Days

Day: 47.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.8 AU - 5.32 AU

Year: 3504 Days

Day: 40.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.5

Radius: 13.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.09 AU - 9.59 AU

Year: 7900 Days

Day: 6.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,036,937 km

• M1: 174,880 km (0.098 R)
• M2: 608,415 km (0.059 R)
• M3: 1,267,692 km (0.047 R)
• M4: 1,761,365 km (0.085 R)
• M5: 2,593,578 km (0.085 R)
• M6: 3,172,971 km (0.1 R)
• M7: 4,461,906 km (0.099 R)
• M8: 5,240,413 km (0.081 R)
• M9: 6,440,039 km (0.112 R)
• M10: 7,361,412 km (0.104 R)
• M11: 8,010,218 km (0.114 R)
• M12: 8,490,876 km (0.084 R)
• M13: 10,234,290 km (0.113 R)
• M14: 10,753,095 km (0.108 R)
• M15: 13,842,291 km (0.067 R)
• M16: 15,869,043 km (0.08 R)
• M17: 17,347,967 km (0.086 R)
• M18: 18,223,564 km (0.115 R)
• M19: 18,776,777 km (0.098 R)
• M20: 19,341,359 km (0.094 R)
• M21: 20,136,023 km (0.074 R)
• M22: 21,178,720 km (0.034 R)
• M23: 23,615,669 km (0.082 R)
• M24: 30,661,729 km (0.041 R)
• M25: 33,154,329 km (0.111 R)
• M26: 34,713,139 km (0.06 R)
• M27: 35,995,043 km (0.112 R)
• M28: 36,429,325 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.2

Radius: 9.7

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.64 AU - 9.56 AU

Year: 8297 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,036,937 km

• M1: 120,875 km (0.117 R)
• M2: 508,932 km (0.1 R)
• M3: 898,934 km (0.115 R)
• M4: 1,244,355 km (0.047 R)
• M5: 1,637,199 km (0.094 R)
• M6: 3,552,650 km (0.107 R)
• M7: 4,082,975 km (0.055 R)
• M8: 4,437,222 km (0.103 R)
• M9: 5,461,968 km (0.117 R)
• M10: 7,090,191 km (0.083 R)
• M11: 8,312,854 km (0.109 R)
• M12: 8,794,560 km (0.045 R)
• M13: 9,623,033 km (0.094 R)
• M14: 11,757,645 km (0.047 R)
• M15: 12,648,201 km (0.105 R)
• M16: 13,110,009 km (0.087 R)
• M17: 13,523,199 km (0.11 R)
• M18: 14,752,145 km (0.117 R)
• M19: 16,053,946 km (0.068 R)
• M20: 20,417,716 km (0.107 R)
• M21: 20,893,437 km (0.092 R)
• M22: 21,866,870 km (0.073 R)
• M23: 22,701,028 km (0.099 R)
• M24: 24,079,722 km (0.04 R)
• M25: 28,255,298 km (0.029 R)
• M26: 29,747,985 km (0.11 R)
• M27: 31,607,786 km (0.075 R)
• M28: 34,653,000 km (0.029 R)
• M29: 37,414,278 km (0.104 R)
• M30: 41,953,526 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.2

Radius: 9.1

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.19 AU - 8.75 AU

Year: 8871 Days

Day: 9.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,036,937 km

• M1: 113,545 km (0.11 R)
• M2: 847,771 km (0.068 R)
• M3: 1,180,327 km (0.072 R)
• M4: 1,547,889 km (0.077 R)
• M5: 2,054,577 km (0.093 R)
• M6: 5,285,442 km (0.083 R)
• M7: 5,791,831 km (0.059 R)
• M8: 6,226,712 km (0.079 R)
• M9: 6,755,541 km (0.102 R)
• M10: 9,086,275 km (0.073 R)
• M11: 19,059,068 km (0.093 R)
• M12: 19,722,534 km (0.11 R)
• M13: 23,106,438 km (0.109 R)
• M14: 23,523,517 km (0.059 R)
• M15: 24,458,653 km (0.116 R)
• M16: 27,692,810 km (0.101 R)
• M17: 32,226,074 km (0.047 R)
• M18: 32,642,255 km (0.063 R)
• M19: 36,550,500 km (0.05 R)
• M20: 38,733,881 km (0.104 R)
• M21: 39,559,811 km (0.087 R)

Kuiper Belt

Range: 30.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 16,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit