🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.91 AU - 0.93 AU

Year: 319 Days

Day: 17.7 Hours

Environment

Temp: 98 °C

Axial Tilt: 48.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.78 AU - 1.1 AU

Year: 330 Days

Day: 13.9 Hours

Environment

Temp: 82 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,840,965 km

• M1: 376,987 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.77 AU - 1.15 AU

Year: 340 Days

Day: 21.7 Hours

Environment

Temp: 100 °C

Axial Tilt: 24.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.2 AU - 1.48 AU

Year: 561 Days

Day: 39.5 Hours

Environment

Temp: -18 °C

Axial Tilt: 20.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 50,840,965 km

• M1: 210,035 km (0.068 R)
• M2: 1,093,261 km (0.042 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.09 AU - 3.37 AU

Year: 1631 Days

Day: 37.8 Hours

Environment

Temp: -83 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.84 AU - 5 AU

Year: 3361 Days

Day: 42.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,840,965 km

• M1: 1,931,757 km (0.084 R)

Asteroid Belt

Center: 5.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.5

Radius: 14.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.56 AU - 6.86 AU

Year: 5597 Days

Day: 8.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,840,965 km

• M1: 179,069 km (0.101 R)
• M2: 1,150,856 km (0.102 R)
• M3: 1,606,681 km (0.082 R)
• M4: 2,129,376 km (0.098 R)
• M5: 3,693,422 km (0.07 R)
• M6: 4,547,925 km (0.117 R)
• M7: 5,312,819 km (0.114 R)
• M8: 6,682,537 km (0.043 R)
• M9: 8,240,150 km (0.085 R)
• M10: 9,182,467 km (0.078 R)
• M11: 9,740,916 km (0.118 R)
• M12: 10,492,047 km (0.05 R)
• M13: 11,462,488 km (0.077 R)
• M14: 12,395,829 km (0.1 R)
• M15: 16,352,693 km (0.079 R)
• M16: 17,294,711 km (0.112 R)
• M17: 18,397,247 km (0.065 R)
• M18: 19,222,429 km (0.113 R)
• M19: 19,807,955 km (0.118 R)
• M20: 20,946,544 km (0.12 R)
• M21: 22,989,004 km (0.117 R)
• M22: 26,576,361 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.3

Radius: 9.5

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.76 AU - 9.56 AU

Year: 7667 Days

Day: 10.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,840,965 km

• M1: 118,631 km (0.087 R)
• M2: 452,384 km (0.07 R)
• M3: 984,204 km (0.086 R)
• M4: 1,298,659 km (0.114 R)
• M5: 1,964,519 km (0.105 R)
• M6: 2,323,704 km (0.086 R)
• M7: 5,837,758 km (0.109 R)
• M8: 7,496,050 km (0.047 R)
• M9: 8,630,301 km (0.109 R)
• M10: 11,983,238 km (0.071 R)
• M11: 13,047,328 km (0.091 R)
• M12: 13,529,033 km (0.067 R)
• M13: 14,375,308 km (0.108 R)
• M14: 16,283,279 km (0.065 R)
• M15: 21,513,969 km (0.077 R)
• M16: 22,666,022 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.5

Radius: 13.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 8.34 AU - 9.44 AU

Year: 9586 Days

Day: 13.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,840,965 km

• M1: 170,392 km (0.081 R)
• M2: 971,638 km (0.112 R)
• M3: 1,579,903 km (0.093 R)
• M4: 2,342,852 km (0.083 R)
• M5: 3,462,144 km (0.12 R)
• M6: 4,032,710 km (0.117 R)
• M7: 5,397,641 km (0.107 R)
• M8: 6,241,822 km (0.068 R)
• M9: 6,773,941 km (0.087 R)
• M10: 10,005,704 km (0.101 R)
• M11: 11,728,323 km (0.088 R)
• M12: 12,780,146 km (0.113 R)
• M13: 19,400,001 km (0.12 R)
• M14: 20,454,666 km (0.1 R)
• M15: 25,343,226 km (0.076 R)
• M16: 26,308,730 km (0.114 R)
• M17: 29,353,047 km (0.111 R)
• M18: 38,480,312 km (0.074 R)
• M19: 41,988,532 km (0.102 R)
• M20: 42,660,825 km (0.091 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 18,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit