🌌 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: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.44 AU - 0.58 AU

Year: 132 Days

Day: 19.2 Hours

Environment

Temp: 210 °C

Axial Tilt: 28.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 72,705,097 km

• M1: 99,034 km (0.098 R)
• M2: 262,993 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.58 AU - 0.68 AU

Year: 181 Days

Day: 15.3 Hours

Environment

Temp: 209 °C

Axial Tilt: 11.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 72,705,097 km

• M1: 32,014 km (0.11 R)
• M2: 269,575 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.58 AU - 0.94 AU

Year: 240 Days

Day: 26.8 Hours

Environment

Temp: 140 °C

Axial Tilt: 13.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,705,097 km

• M1: 66,721 km (0.045 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.63 AU - 0.99 AU

Year: 264 Days

Day: 20.3 Hours

Environment

Temp: 171 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.67 AU - 0.99 AU

Year: 273 Days

Day: 40.3 Hours

Environment

Temp: 121 °C

Axial Tilt: 17.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.74 AU - 0.96 AU

Year: 283 Days

Day: 20.6 Hours

Environment

Temp: 157 °C

Axial Tilt: 42.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,705,097 km

• M1: 327,171 km (0.12 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.93 AU - 1.11 AU

Year: 373 Days

Day: 27.2 Hours

Environment

Temp: 31 °C

Axial Tilt: 16.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 8 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.09 AU - 1.77 AU

Year: 618 Days

Day: 45.9 Hours

Environment

Temp: -30 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.45 AU - 1.73 AU

Year: 725 Days

Day: 30.5 Hours

Environment

Temp: -42 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 10 - Ice Giant

Semi-Major Axis: 18.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.6

Radius: 6.5

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 17.67 AU - 19.29 AU

Year: 28730 Days

Day: 21.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 72,705,097 km

• M1: 201,209 km (0.101 R)
• M2: 334,202 km (0.098 R)
• M3: 477,217 km (0.072 R)
• M4: 797,357 km (0.119 R)
• M5: 942,018 km (0.119 R)
• M6: 1,043,296 km (0.114 R)
• M7: 1,148,164 km (0.103 R)
• M8: 1,368,671 km (0.107 R)
• M9: 1,572,573 km (0.105 R)
• M10: 1,724,115 km (0.075 R)
• M11: 2,274,785 km (0.108 R)
• M12: 3,062,119 km (0.073 R)
• M13: 3,213,661 km (0.118 R)
• M14: 3,367,747 km (0.078 R)
• M15: 3,844,366 km (0.075 R)
• M16: 4,008,026 km (0.116 R)
• M17: 4,090,754 km (0.117 R)
• M18: 4,772,471 km (0.063 R)
• M19: 5,081,690 km (0.036 R)
• M20: 5,126,420 km (0.107 R)
• M21: 5,766,250 km (0.108 R)
• M22: 6,430,913 km (0.079 R)
• M23: 7,119,811 km (0.104 R)
• M24: 7,220,042 km (0.115 R)
• M25: 7,780,136 km (0.105 R)
• M26: 7,987,330 km (0.099 R)
• M27: 8,513,166 km (0.098 R)
• M28: 9,653,401 km (0.067 R)
• M29: 11,014,442 km (0.12 R)
• M30: 11,130,530 km (0.114 R)
• M31: 12,555,300 km (0.078 R)
• M32: 12,615,888 km (0.072 R)
• M33: 13,165,660 km (0.105 R)
• M34: 13,848,275 km (0.115 R)
• M35: 14,542,259 km (0.032 R)
• M36: 15,833,139 km (0.092 R)
• M37: 16,624,961 km (0.12 R)
• M38: 17,497,416 km (0.072 R)
• M39: 17,905,070 km (0.055 R)
• M40: 18,591,425 km (0.101 R)
• M41: 19,848,496 km (0.06 R)
• M42: 19,919,106 km (0.094 R)
• M43: 19,989,866 km (0.049 R)
• M44: 23,931,022 km (0.116 R)
• M45: 24,081,517 km (0.116 R)
• M46: 25,143,662 km (0.05 R)
• M47: 28,420,454 km (0.111 R)
• M48: 29,865,270 km (0.099 R)
• M49: 30,515,123 km (0.104 R)
• M50: 30,923,675 km (0.087 R)
• M51: 31,005,655 km (0.06 R)
• M52: 32,575,834 km (0.097 R)
• M53: 35,021,759 km (0.045 R)
• M54: 35,107,180 km (0.096 R)
• M55: 38,315,156 km (0.085 R)
• M56: 39,020,959 km (0.108 R)
• M57: 39,642,089 km (0.053 R)
• M58: 39,731,100 km (0.112 R)
• M59: 40,445,580 km (0.066 R)
• M60: 40,535,189 km (0.028 R)
• M61: 42,159,223 km (0.105 R)
• M62: 43,712,498 km (0.111 R)
• M63: 44,172,960 km (0.036 R)
• M64: 45,191,422 km (0.095 R)
• M65: 49,821,626 km (0.094 R)
• M66: 52,534,434 km (0.083 R)
• M67: 53,220,190 km (0.116 R)
• M68: 53,711,769 km (0.112 R)
• M69: 54,600,380 km (0.112 R)
• M70: 56,392,114 km (0.092 R)
• M71: 57,295,236 km (0.069 R)
• M72: 60,647,276 km (0.091 R)
• M73: 60,955,148 km (0.054 R)
• M74: 61,572,539 km (0.086 R)
• M75: 62,813,304 km (0.099 R)
• M76: 66,373,583 km (0.091 R)
• M77: 69,354,321 km (0.055 R)
• M78: 70,321,770 km (0.092 R)
• M79: 71,401,717 km (0.11 R)

Kuiper Belt

Range: 30.3 - 48.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 18,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit