🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.69 AU - 0.97 AU

Year: 266 Days

Day: 29.9 Hours

Environment

Temp: 106 °C

Axial Tilt: 5.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.25 AU - 1.83 AU

Year: 672 Days

Day: 16.2 Hours

Environment

Temp: -13 °C

Axial Tilt: 72.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.5 AU - 1.88 AU

Year: 772 Days

Day: 22.2 Hours

Environment

Temp: -26 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.6 AU - 2.52 AU

Year: 1039 Days

Day: 41.2 Hours

Environment

Temp: -64 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.64 AU - 4.06 AU

Year: 2155 Days

Day: 33 Hours

Environment

Temp: -108 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.31 AU - 4.65 AU

Year: 3333 Days

Day: 31.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.8

Radius: 12.3

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.23 AU - 7.27 AU

Year: 6164 Days

Day: 12.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 95,901,406 km

• M1: 153,039 km (0.075 R)
• M2: 810,820 km (0.062 R)
• M3: 1,526,197 km (0.047 R)
• M4: 2,165,878 km (0.098 R)
• M5: 2,859,414 km (0.083 R)
• M6: 3,445,089 km (0.12 R)
• M7: 4,943,312 km (0.082 R)
• M8: 6,350,430 km (0.086 R)
• M9: 8,332,153 km (0.098 R)
• M10: 10,552,035 km (0.066 R)
• M11: 10,990,058 km (0.07 R)
• M12: 12,430,985 km (0.03 R)
• M13: 12,919,871 km (0.09 R)
• M14: 13,421,472 km (0.092 R)
• M15: 14,944,378 km (0.107 R)
• M16: 16,644,708 km (0.105 R)
• M17: 18,261,262 km (0.052 R)
• M18: 19,759,635 km (0.051 R)
• M19: 21,031,366 km (0.107 R)
• M20: 21,493,175 km (0.12 R)
• M21: 26,222,861 km (0.071 R)
• M22: 26,668,214 km (0.052 R)
• M23: 29,256,407 km (0.101 R)
• M24: 30,611,315 km (0.112 R)
• M25: 33,030,761 km (0.054 R)
• M26: 33,864,769 km (0.093 R)
• M27: 35,901,993 km (0.049 R)
• M28: 37,906,156 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.5

Radius: 12.4

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.19 AU - 9.69 AU

Year: 8618 Days

Day: 13.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 157.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 95,901,406 km

• M1: 154,684 km (0.051 R)
• M2: 1,019,809 km (0.064 R)
• M3: 1,726,659 km (0.066 R)
• M4: 2,183,082 km (0.118 R)
• M5: 2,968,022 km (0.047 R)
• M6: 3,533,651 km (0.088 R)
• M7: 4,011,018 km (0.074 R)
• M8: 4,763,645 km (0.06 R)
• M9: 5,542,601 km (0.071 R)
• M10: 6,849,039 km (0.112 R)
• M11: 9,019,256 km (0.072 R)
• M12: 9,484,206 km (0.079 R)
• M13: 12,053,400 km (0.103 R)
• M14: 14,862,848 km (0.1 R)
• M15: 16,317,238 km (0.046 R)
• M16: 18,009,938 km (0.087 R)
• M17: 21,412,392 km (0.084 R)
• M18: 22,325,687 km (0.083 R)
• M19: 25,405,010 km (0.097 R)
• M20: 27,673,512 km (0.073 R)
• M21: 28,261,132 km (0.116 R)
• M22: 28,957,061 km (0.113 R)
• M23: 29,359,929 km (0.069 R)
• M24: 33,265,630 km (0.085 R)
• M25: 34,041,594 km (0.068 R)
• M26: 36,092,581 km (0.095 R)
• M27: 39,198,681 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.1

Radius: 3.3

Gravity: 50.15 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 19.89 AU - 20.33 AU

Year: 31695 Days

Day: 17.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 95,901,406 km

• M1: 67,319 km (0.062 R)
• M2: 232,774 km (0.104 R)
• M3: 371,152 km (0.079 R)
• M4: 572,661 km (0.112 R)
• M5: 1,047,933 km (0.114 R)
• M6: 1,317,209 km (0.102 R)
• M7: 2,354,820 km (0.087 R)
• M8: 2,814,684 km (0.112 R)
• M9: 3,152,775 km (0.072 R)
• M10: 3,677,265 km (0.089 R)
• M11: 5,771,187 km (0.091 R)
• M12: 14,556,172 km (0.052 R)
• M13: 15,558,777 km (0.08 R)
• M14: 24,010,608 km (0.098 R)
• M15: 32,221,586 km (0.082 R)
• M16: 39,838,511 km (0.118 R)
• M17: 39,998,731 km (0.095 R)
• M18: 46,412,141 km (0.067 R)
• M19: 50,047,519 km (0.104 R)
• M20: 59,119,283 km (0.091 R)
• M21: 66,262,133 km (0.042 R)
• M22: 72,756,027 km (0.089 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 12,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit