🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.75 AU - 1.15 AU

Year: 327 Days

Day: 32.6 Hours

Environment

Temp: 152 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.85 AU - 1.85 AU

Year: 888 Days

Day: 34 Hours

Environment

Temp: -51 °C

Axial Tilt: 60.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,971,671 km

• M1: 464,950 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.05 AU - 2.19 AU

Year: 1090 Days

Day: 36.7 Hours

Environment

Temp: -59 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,971,671 km

• M1: 681,568 km (0.056 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.71 AU - 2.89 AU

Year: 1654 Days

Day: 37.5 Hours

Environment

Temp: -94 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 98,971,671 km

• M1: 210,933 km (0.117 R)
• M2: 446,699 km (0.068 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.02 AU - 4.84 AU

Year: 3292 Days

Day: 21.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.3

Radius: 12.8

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.84 AU - 12.14 AU

Year: 12865 Days

Day: 14.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 98,971,671 km

• M1: 159,621 km (0.074 R)
• M2: 577,747 km (0.114 R)
• M3: 1,460,524 km (0.086 R)
• M4: 2,044,405 km (0.091 R)
• M5: 2,695,754 km (0.083 R)
• M6: 3,141,106 km (0.117 R)
• M7: 4,327,418 km (0.029 R)
• M8: 5,237,870 km (0.056 R)
• M9: 7,961,000 km (0.086 R)
• M10: 8,839,140 km (0.113 R)
• M11: 10,843,003 km (0.026 R)
• M12: 11,288,955 km (0.072 R)
• M13: 14,160,934 km (0.047 R)
• M14: 15,589,594 km (0.091 R)
• M15: 18,573,324 km (0.032 R)
• M16: 20,536,048 km (0.107 R)
• M17: 21,219,860 km (0.076 R)
• M18: 28,285,217 km (0.069 R)
• M19: 32,229,964 km (0.107 R)
• M20: 34,572,816 km (0.104 R)
• M21: 45,371,538 km (0.068 R)
• M22: 50,132,191 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.5

Radius: 4.4

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 10.4 AU - 16.58 AU

Year: 17495 Days

Day: 23.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 98,971,671 km

• M1: 55,202 km (0.091 R)
• M2: 283,488 km (0.1 R)
• M3: 771,775 km (0.086 R)
• M4: 2,111,424 km (0.093 R)
• M5: 2,259,676 km (0.108 R)
• M6: 3,603,514 km (0.092 R)
• M7: 4,443,206 km (0.118 R)
• M8: 4,908,605 km (0.106 R)
• M9: 6,695,402 km (0.117 R)
• M10: 8,177,169 km (0.031 R)
• M11: 8,497,608 km (0.094 R)
• M12: 9,261,903 km (0.119 R)
• M13: 9,559,902 km (0.11 R)
• M14: 10,980,933 km (0.103 R)
• M15: 14,038,115 km (0.119 R)
• M16: 16,007,271 km (0.083 R)
• M17: 16,292,555 km (0.116 R)
• M18: 18,935,201 km (0.045 R)
• M19: 20,233,112 km (0.081 R)
• M20: 25,242,247 km (0.11 R)
• M21: 26,117,395 km (0.116 R)
• M22: 28,445,437 km (0.065 R)
• M23: 32,022,023 km (0.095 R)
• M24: 39,142,582 km (0.081 R)
• M25: 39,400,788 km (0.115 R)
• M26: 51,304,889 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.3

Radius: 5.5

Gravity: 21.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 16.47 AU - 22.69 AU

Year: 30593 Days

Day: 24.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 98,971,671 km

• M1: 68,516 km (0.097 R)
• M2: 295,905 km (0.098 R)
• M3: 1,595,312 km (0.06 R)
• M4: 2,581,760 km (0.086 R)
• M5: 4,382,021 km (0.102 R)
• M6: 4,877,788 km (0.104 R)
• M7: 5,367,871 km (0.1 R)
• M8: 6,985,173 km (0.058 R)
• M9: 8,783,938 km (0.104 R)
• M10: 10,802,462 km (0.114 R)
• M11: 11,704,238 km (0.103 R)
• M12: 13,187,950 km (0.085 R)
• M13: 14,960,086 km (0.107 R)
• M14: 15,384,047 km (0.116 R)
• M15: 17,437,427 km (0.045 R)
• M16: 19,666,585 km (0.091 R)
• M17: 24,330,747 km (0.033 R)
• M18: 46,463,603 km (0.084 R)
• M19: 51,854,811 km (0.054 R)
• M20: 54,800,243 km (0.059 R)
• M21: 55,201,165 km (0.045 R)
• M22: 65,421,393 km (0.111 R)
• M23: 88,119,728 km (0.099 R)
• M24: 95,453,764 km (0.086 R)
• M25: 98,379,449 km (0.101 R)

Kuiper Belt

Range: 31.1 - 54.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 11,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit