🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.46 AU - 0.6 AU

Year: 145 Days

Day: 31.3 Hours

Environment

Temp: 237 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,393,579 km

• M1: 184,454 km (0.108 R)

Asteroid Belt

Center: 0.82 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.07 AU - 1.15 AU

Year: 438 Days

Day: 36.9 Hours

Environment

Temp: 1 °C

Axial Tilt: 25.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 57,393,579 km

• M1: 382,522 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.01 AU - 1.25 AU

Year: 450 Days

Day: 36.9 Hours

Environment

Temp: -6 °C

Axial Tilt: 174.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.35 AU - 1.53 AU

Year: 648 Days

Day: 20.7 Hours

Environment

Temp: -51 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.13 AU - 2.13 AU

Year: 1165 Days

Day: 46.6 Hours

Environment

Temp: -79 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.84 AU - 2.72 AU

Year: 1290 Days

Day: 43.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.84 AU - 4.12 AU

Year: 2975 Days

Day: 33 Hours

Environment

Temp: -130 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.7

Radius: 14.7

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.73 AU - 5.69 AU

Year: 3831 Days

Day: 12.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,393,579 km

• M1: 183,407 km (0.114 R)
• M2: 806,931 km (0.06 R)
• M3: 1,449,005 km (0.103 R)
• M4: 2,004,163 km (0.083 R)
• M5: 2,537,180 km (0.103 R)
• M6: 2,998,989 km (0.045 R)
• M7: 3,497,000 km (0.078 R)
• M8: 4,812,863 km (0.106 R)
• M9: 5,445,811 km (0.039 R)
• M10: 5,956,538 km (0.111 R)
• M11: 6,719,338 km (0.079 R)
• M12: 7,896,075 km (0.082 R)
• M13: 8,971,684 km (0.061 R)
• M14: 10,919,897 km (0.108 R)
• M15: 12,064,470 km (0.062 R)
• M16: 12,592,850 km (0.103 R)
• M17: 13,287,582 km (0.04 R)
• M18: 15,303,114 km (0.108 R)
• M19: 16,913,685 km (0.091 R)
• M20: 19,018,228 km (0.115 R)
• M21: 19,933,617 km (0.115 R)
• M22: 20,741,595 km (0.06 R)
• M23: 25,190,486 km (0.093 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135

Radius: 11.1

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.53 AU - 8.19 AU

Year: 8258 Days

Day: 11.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 54.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,393,579 km

• M1: 139,276 km (0.061 R)
• M2: 777,610 km (0.098 R)
• M3: 1,597,406 km (0.046 R)
• M4: 2,392,519 km (0.04 R)
• M5: 2,804,362 km (0.025 R)
• M6: 3,282,327 km (0.115 R)
• M7: 5,229,044 km (0.112 R)
• M8: 6,568,095 km (0.054 R)
• M9: 19,966,379 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.7

Radius: 7.7

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 11.86 AU - 18.32 AU

Year: 21967 Days

Day: 17.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 139.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,393,579 km

• M1: 239,955 km (0.109 R)
• M2: 533,765 km (0.105 R)
• M3: 5,672,901 km (0.096 R)
• M4: 11,391,279 km (0.081 R)
• M5: 11,803,721 km (0.098 R)
• M6: 16,271,012 km (0.097 R)
• M7: 17,639,384 km (0.047 R)
• M8: 20,430,432 km (0.063 R)
• M9: 22,477,379 km (0.059 R)
• M10: 24,853,143 km (0.028 R)
• M11: 32,503,877 km (0.05 R)
• M12: 45,150,732 km (0.066 R)
• M13: 48,143,587 km (0.105 R)
• M14: 49,688,334 km (0.063 R)
• M15: 51,265,994 km (0.116 R)
• M16: 52,551,787 km (0.062 R)
• M17: 56,879,504 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 10,282 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit