🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.66 AU - 0.76 AU

Year: 222 Days

Day: 23.1 Hours

Environment

Temp: 145 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,802,286 km

• M1: 121,025 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.86 AU - 1.04 AU

Year: 343 Days

Day: 25.7 Hours

Environment

Temp: 26 °C

Axial Tilt: 3.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.96 AU - 1.06 AU

Year: 376 Days

Day: 13.1 Hours

Environment

Temp: 24 °C

Axial Tilt: 39.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.9

Radius: 9.3

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.18 AU - 6.08 AU

Year: 4954 Days

Day: 8.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,802,286 km

• M1: 118,482 km (0.077 R)
• M2: 1,506,600 km (0.091 R)
• M3: 2,274,935 km (0.113 R)
• M4: 2,947,228 km (0.095 R)
• M5: 5,790,485 km (0.091 R)
• M6: 6,346,091 km (0.106 R)
• M7: 7,245,623 km (0.104 R)
• M8: 7,590,446 km (0.051 R)
• M9: 8,399,621 km (0.087 R)
• M10: 9,296,161 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.8

Radius: 9.7

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.84 AU - 7.58 AU

Year: 6446 Days

Day: 14.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,802,286 km

• M1: 120,576 km (0.077 R)
• M2: 540,198 km (0.107 R)
• M3: 901,477 km (0.118 R)
• M4: 1,561,652 km (0.116 R)
• M5: 1,946,717 km (0.086 R)
• M6: 2,517,134 km (0.09 R)
• M7: 3,991,122 km (0.094 R)
• M8: 5,027,236 km (0.12 R)
• M9: 5,592,866 km (0.105 R)
• M10: 6,401,143 km (0.077 R)
• M11: 7,776,247 km (0.039 R)
• M12: 9,382,479 km (0.093 R)
• M13: 9,692,596 km (0.063 R)
• M14: 10,286,948 km (0.114 R)
• M15: 11,149,679 km (0.074 R)
• M16: 11,548,208 km (0.117 R)
• M17: 12,321,329 km (0.065 R)
• M18: 14,027,792 km (0.088 R)
• M19: 14,907,727 km (0.1 R)
• M20: 16,391,588 km (0.068 R)
• M21: 17,836,105 km (0.045 R)
• M22: 18,798,468 km (0.097 R)
• M23: 20,901,515 km (0.078 R)
• M24: 24,551,554 km (0.102 R)
• M25: 29,353,945 km (0.114 R)
• M26: 33,702,605 km (0.077 R)
• M27: 34,853,162 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.2

Radius: 9.8

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.51 AU - 8.07 AU

Year: 6562 Days

Day: 6.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,802,286 km

• M1: 121,922 km (0.072 R)
• M2: 498,759 km (0.075 R)
• M3: 847,622 km (0.065 R)
• M4: 1,526,197 km (0.11 R)
• M5: 1,978,432 km (0.086 R)
• M6: 2,518,480 km (0.062 R)
• M7: 4,492,424 km (0.089 R)
• M8: 5,634,903 km (0.095 R)
• M9: 6,751,202 km (0.095 R)
• M10: 7,361,861 km (0.109 R)
• M11: 7,778,192 km (0.094 R)
• M12: 8,109,102 km (0.081 R)
• M13: 10,100,699 km (0.047 R)
• M14: 10,736,639 km (0.104 R)
• M15: 11,105,996 km (0.077 R)
• M16: 12,309,362 km (0.114 R)
• M17: 14,621,397 km (0.074 R)
• M18: 15,906,143 km (0.09 R)
• M19: 17,042,189 km (0.081 R)
• M20: 20,397,670 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.4

Radius: 12.1

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 10.33 AU - 13.31 AU

Year: 15071 Days

Day: 12.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,802,286 km

• M1: 163,510 km (0.119 R)
• M2: 776,563 km (0.112 R)
• M3: 1,433,447 km (0.053 R)
• M4: 4,914,290 km (0.081 R)
• M5: 7,660,757 km (0.057 R)
• M6: 8,632,844 km (0.073 R)
• M7: 9,414,493 km (0.091 R)
• M8: 9,795,220 km (0.076 R)
• M9: 13,631,657 km (0.108 R)
• M10: 15,057,026 km (0.068 R)
• M11: 17,622,779 km (0.086 R)
• M12: 21,107,960 km (0.066 R)
• M13: 21,667,606 km (0.103 R)
• M14: 25,131,993 km (0.08 R)
• M15: 26,507,696 km (0.028 R)
• M16: 29,756,812 km (0.074 R)
• M17: 31,902,045 km (0.093 R)
• M18: 35,179,884 km (0.103 R)
• M19: 38,954,089 km (0.113 R)
• M20: 40,364,946 km (0.119 R)
• M21: 40,794,741 km (0.108 R)
• M22: 41,809,613 km (0.116 R)
• M23: 43,738,827 km (0.1 R)
• M24: 50,875,693 km (0.06 R)
• M25: 53,073,585 km (0.106 R)
• M26: 57,839,174 km (0.062 R)
• M27: 62,882,567 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 19,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit