🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.4 AU - 0.62 AU

Year: 136 Days

Day: 24 Hours

Environment

Temp: 222 °C

Axial Tilt: 18.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,707,063 km

• M1: 126,859 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.53 AU - 0.65 AU

Year: 170 Days

Day: 46.2 Hours

Environment

Temp: 178 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 73,707,063 km

• M1: 116,238 km (0.101 R)
• M2: 207,492 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.54 AU - 0.72 AU

Year: 187 Days

Day: 21.2 Hours

Environment

Temp: 199 °C

Axial Tilt: 106.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,707,063 km

• M1: 26,329 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.51 AU - 0.79 AU

Year: 196 Days

Day: 17.6 Hours

Environment

Temp: 201 °C

Axial Tilt: 47.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.02 AU - 1.04 AU

Year: 392 Days

Day: 44.7 Hours

Environment

Temp: 6 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.23 AU

Composition

Type: Inner (Rocky/Metallic)

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: 29

Radius: 12.7

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.16 AU - 5.7 AU

Year: 4742 Days

Day: 11.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,707,063 km

• M1: 157,975 km (0.115 R)
• M2: 605,273 km (0.118 R)
• M3: 1,015,620 km (0.079 R)
• M4: 1,523,954 km (0.108 R)
• M5: 2,160,044 km (0.089 R)
• M6: 3,859,475 km (0.099 R)
• M7: 5,163,819 km (0.039 R)
• M8: 7,184,139 km (0.097 R)
• M9: 8,759,105 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.8

Radius: 4.6

Gravity: 27.21 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 12.05 AU - 17.05 AU

Year: 20798 Days

Day: 22.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,707,063 km

• M1: 59,690 km (0.108 R)
• M2: 321,037 km (0.097 R)
• M3: 523,593 km (0.101 R)
• M4: 720,015 km (0.076 R)
• M5: 1,656,647 km (0.093 R)
• M6: 2,106,039 km (0.097 R)
• M7: 2,926,434 km (0.091 R)
• M8: 3,757,599 km (0.081 R)
• M9: 5,711,048 km (0.025 R)
• M10: 6,813,435 km (0.119 R)
• M11: 7,272,850 km (0.031 R)
• M12: 7,851,046 km (0.039 R)
• M13: 8,000,345 km (0.035 R)
• M14: 11,848,750 km (0.106 R)
• M15: 13,270,378 km (0.057 R)
• M16: 14,278,967 km (0.094 R)
• M17: 14,651,316 km (0.093 R)
• M18: 15,183,286 km (0.084 R)
• M19: 16,045,269 km (0.097 R)
• M20: 18,649,020 km (0.105 R)
• M21: 20,004,526 km (0.109 R)
• M22: 20,659,017 km (0.079 R)
• M23: 24,675,122 km (0.113 R)
• M24: 27,661,544 km (0.075 R)
• M25: 30,144,569 km (0.062 R)
• M26: 40,516,938 km (0.1 R)
• M27: 41,563,375 km (0.083 R)
• M28: 44,022,315 km (0.095 R)
• M29: 51,628,768 km (0.09 R)
• M30: 56,477,535 km (0.095 R)
• M31: 63,402,420 km (0.052 R)
• M32: 65,217,940 km (0.097 R)
• M33: 65,626,043 km (0.108 R)
• M34: 65,830,693 km (0.079 R)
• M35: 70,656,870 km (0.1 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: 438 - 12,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit