🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.56 AU - 0.6 AU

Year: 157 Days

Day: 31.4 Hours

Environment

Temp: 228 °C

Axial Tilt: 74.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.79 AU - 1.29 AU

Year: 378 Days

Day: 22.1 Hours

Environment

Temp: 33 °C

Axial Tilt: 37.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 57,894,612 km

• M1: 34,557 km (0.098 R)
• M2: 69,563 km (0.083 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.33 AU - 1.89 AU

Year: 728 Days

Day: 12.2 Hours

Environment

Temp: -44 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,894,612 km

• M1: 24,684 km (0.113 R)
• M2: 66,721 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.24 AU - 2 AU

Year: 735 Days

Day: 20.7 Hours

Environment

Temp: -41 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,894,612 km

• M1: 85,570 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.55 AU - 3.63 AU

Year: 2425 Days

Day: 41.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.56 AU - 4.48 AU

Year: 2873 Days

Day: 12.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,894,612 km

• M1: 397,182 km (0.102 R)
• M2: 1,117,047 km (0.105 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.11 AU - 4.45 AU

Year: 3156 Days

Day: 28.1 Hours

Environment

Temp: -115 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.4

Radius: 12.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.51 AU - 11.05 AU

Year: 12616 Days

Day: 14.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,894,612 km

• M1: 153,039 km (0.068 R)
• M2: 1,057,059 km (0.065 R)
• M3: 1,852,321 km (0.112 R)
• M4: 2,745,121 km (0.102 R)
• M5: 3,878,175 km (0.119 R)
• M6: 5,335,558 km (0.107 R)
• M7: 6,518,727 km (0.068 R)
• M8: 7,603,162 km (0.098 R)
• M9: 12,539,892 km (0.073 R)
• M10: 18,631,667 km (0.084 R)
• M11: 19,530,900 km (0.032 R)
• M12: 20,458,855 km (0.103 R)
• M13: 21,327,720 km (0.12 R)
• M14: 22,861,098 km (0.12 R)
• M15: 24,082,415 km (0.1 R)
• M16: 28,432,571 km (0.108 R)
• M17: 29,078,535 km (0.112 R)
• M18: 31,416,750 km (0.076 R)
• M19: 35,588,137 km (0.109 R)
• M20: 36,338,370 km (0.05 R)
• M21: 46,332,256 km (0.105 R)
• M22: 49,205,133 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.4

Radius: 5.3

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 12.88 AU - 14.16 AU

Year: 17720 Days

Day: 16.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,894,612 km

• M1: 65,973 km (0.033 R)
• M2: 414,536 km (0.106 R)
• M3: 916,287 km (0.084 R)
• M4: 1,690,606 km (0.098 R)
• M5: 3,964,643 km (0.098 R)
• M6: 4,442,758 km (0.052 R)
• M7: 4,631,700 km (0.108 R)
• M8: 5,025,591 km (0.071 R)
• M9: 5,585,386 km (0.025 R)
• M10: 5,768,494 km (0.071 R)
• M11: 6,031,637 km (0.063 R)
• M12: 7,381,608 km (0.102 R)
• M13: 7,964,740 km (0.104 R)
• M14: 9,530,581 km (0.06 R)
• M15: 10,719,136 km (0.083 R)
• M16: 11,643,352 km (0.089 R)
• M17: 13,517,364 km (0.113 R)
• M18: 14,594,768 km (0.095 R)
• M19: 14,872,871 km (0.102 R)
• M20: 15,655,716 km (0.102 R)
• M21: 16,540,737 km (0.054 R)
• M22: 19,145,835 km (0.109 R)
• M23: 19,563,063 km (0.071 R)
• M24: 19,731,660 km (0.069 R)
• M25: 21,471,034 km (0.066 R)
• M26: 23,785,613 km (0.064 R)
• M27: 24,462,393 km (0.094 R)
• M28: 28,686,140 km (0.101 R)
• M29: 31,026,598 km (0.101 R)
• M30: 31,255,932 km (0.052 R)
• M31: 33,012,211 km (0.053 R)
• M32: 36,848,200 km (0.067 R)
• M33: 41,108,747 km (0.077 R)
• M34: 45,983,244 km (0.098 R)
• M35: 54,995,169 km (0.082 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 14,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit