🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.9 AU - 1.08 AU

Year: 355 Days

Day: 42.6 Hours

Environment

Temp: 68 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.25 AU - 1.49 AU

Year: 577 Days

Day: 18.6 Hours

Environment

Temp: -19 °C

Axial Tilt: 4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 93,581,439 km

• M1: 70,161 km (0.07 R)

Asteroid Belt

Center: 1.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.96 AU - 2.52 AU

Year: 1207 Days

Day: 16.7 Hours

Environment

Temp: -65 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.3 AU - 3.9 AU

Year: 2458 Days

Day: 42.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,581,439 km

• M1: 499,058 km (0.047 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.34 AU - 4.64 AU

Year: 2868 Days

Day: 19.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 93,581,439 km

• M1: 33,211 km (0.1 R)
• M2: 910,602 km (0.084 R)

Asteroid Belt

Center: 4.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.9

Radius: 13.2

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.31 AU - 6.55 AU

Year: 4554 Days

Day: 13.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 93,581,439 km

• M1: 164,707 km (0.092 R)
• M2: 839,693 km (0.079 R)
• M3: 1,679,236 km (0.103 R)
• M4: 6,104,940 km (0.102 R)
• M5: 7,082,861 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.1

Radius: 8.6

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.43 AU - 8.13 AU

Year: 7069 Days

Day: 6.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,581,439 km

• M1: 108,458 km (0.104 R)
• M2: 477,516 km (0.103 R)
• M3: 760,705 km (0.116 R)
• M4: 1,202,318 km (0.093 R)
• M5: 1,865,635 km (0.104 R)
• M6: 3,303,570 km (0.051 R)
• M7: 3,593,341 km (0.119 R)
• M8: 5,928,863 km (0.107 R)
• M9: 6,703,331 km (0.063 R)
• M10: 9,344,631 km (0.077 R)
• M11: 14,946,024 km (0.107 R)
• M12: 16,503,487 km (0.063 R)
• M13: 17,288,278 km (0.108 R)
• M14: 20,528,418 km (0.096 R)
• M15: 25,593,054 km (0.105 R)
• M16: 25,940,121 km (0.118 R)
• M17: 33,560,637 km (0.069 R)
• M18: 34,607,074 km (0.076 R)
• M19: 36,545,264 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.7

Radius: 6.4

Gravity: 14.03 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 16.52 AU - 21.46 AU

Year: 29782 Days

Day: 21.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 93,581,439 km

• M1: 79,586 km (0.097 R)
• M2: 370,554 km (0.049 R)
• M3: 816,505 km (0.074 R)
• M4: 1,021,903 km (0.097 R)
• M5: 2,154,209 km (0.101 R)
• M6: 3,563,421 km (0.077 R)
• M7: 4,970,988 km (0.103 R)
• M8: 6,199,336 km (0.11 R)
• M9: 6,571,086 km (0.08 R)
• M10: 8,098,930 km (0.066 R)
• M11: 9,003,847 km (0.091 R)
• M12: 10,420,090 km (0.043 R)
• M13: 11,558,231 km (0.045 R)
• M14: 13,302,691 km (0.119 R)
• M15: 14,158,092 km (0.057 R)
• M16: 16,500,047 km (0.092 R)
• M17: 22,363,685 km (0.102 R)
• M18: 22,797,818 km (0.092 R)
• M19: 27,825,354 km (0.105 R)
• M20: 30,396,941 km (0.118 R)
• M21: 31,333,124 km (0.113 R)
• M22: 31,740,180 km (0.11 R)
• M23: 33,403,709 km (0.106 R)
• M24: 36,155,262 km (0.029 R)
• M25: 37,205,888 km (0.093 R)
• M26: 46,004,786 km (0.049 R)
• M27: 52,201,429 km (0.075 R)
• M28: 54,124,510 km (0.114 R)
• M29: 56,094,414 km (0.118 R)
• M30: 65,331,185 km (0.118 R)
• M31: 66,888,200 km (0.086 R)
• M32: 79,237,355 km (0.113 R)
• M33: 79,740,452 km (0.105 R)
• M34: 85,945,174 km (0.095 R)
• M35: 89,164,819 km (0.098 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 17,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit