🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.51 AU - 0.53 AU

Year: 140 Days

Day: 25.9 Hours

Environment

Temp: 232 °C

Axial Tilt: 18.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,134,713 km

• M1: 36,203 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.51 AU - 0.67 AU

Year: 169 Days

Day: 38.4 Hours

Environment

Temp: 134 °C

Axial Tilt: 44.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,134,713 km

• M1: 20,345 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.65 AU - 0.69 AU

Year: 204 Days

Day: 21.5 Hours

Environment

Temp: 134 °C

Axial Tilt: 31.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,134,713 km

• M1: 410,646 km (0.082 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.68 AU - 0.88 AU

Year: 257 Days

Day: 24.8 Hours

Environment

Temp: 141 °C

Axial Tilt: 24.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.6 AU - 0.98 AU

Year: 262 Days

Day: 23.2 Hours

Environment

Temp: 89 °C

Axial Tilt: 43.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.9

Radius: 14

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.19 AU - 8.59 AU

Year: 7489 Days

Day: 14.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,134,713 km

• M1: 174,431 km (0.104 R)
• M2: 709,094 km (0.118 R)
• M3: 1,194,090 km (0.117 R)
• M4: 1,771,538 km (0.1 R)
• M5: 2,585,949 km (0.09 R)
• M6: 3,150,681 km (0.03 R)
• M7: 4,351,802 km (0.115 R)
• M8: 5,475,880 km (0.105 R)
• M9: 6,682,836 km (0.081 R)
• M10: 8,775,860 km (0.095 R)
• M11: 10,425,326 km (0.064 R)
• M12: 11,178,551 km (0.109 R)
• M13: 13,492,830 km (0.094 R)
• M14: 14,160,486 km (0.074 R)
• M15: 15,501,930 km (0.113 R)
• M16: 16,049,308 km (0.078 R)
• M17: 23,346,992 km (0.082 R)
• M18: 23,986,074 km (0.118 R)
• M19: 24,636,974 km (0.066 R)
• M20: 28,701,698 km (0.087 R)
• M21: 29,713,877 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.5

Radius: 12.4

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 10.46 AU - 13 AU

Year: 14976 Days

Day: 8.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,134,713 km

• M1: 154,235 km (0.106 R)
• M2: 544,237 km (0.099 R)
• M3: 1,794,277 km (0.092 R)
• M4: 2,186,522 km (0.03 R)
• M5: 2,861,508 km (0.101 R)
• M6: 3,508,668 km (0.106 R)
• M7: 4,406,106 km (0.108 R)
• M8: 5,450,898 km (0.074 R)
• M9: 7,519,537 km (0.089 R)
• M10: 12,432,331 km (0.103 R)
• M11: 13,077,397 km (0.11 R)
• M12: 13,880,588 km (0.102 R)
• M13: 16,875,238 km (0.12 R)
• M14: 17,827,429 km (0.115 R)
• M15: 18,234,634 km (0.112 R)
• M16: 19,322,510 km (0.057 R)
• M17: 22,561,004 km (0.059 R)
• M18: 24,709,080 km (0.097 R)
• M19: 32,448,676 km (0.042 R)
• M20: 34,546,187 km (0.106 R)
• M21: 38,465,652 km (0.092 R)
• M22: 39,421,133 km (0.054 R)
• M23: 40,252,598 km (0.096 R)
• M24: 42,094,298 km (0.055 R)
• M25: 43,108,870 km (0.057 R)
• M26: 52,651,868 km (0.063 R)
• M27: 57,468,471 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221

Radius: 4.6

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 18.11 AU - 20.67 AU

Year: 31829 Days

Day: 16.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,134,713 km

• M1: 59,390 km (0.059 R)
• M2: 332,257 km (0.091 R)
• M3: 1,808,638 km (0.11 R)
• M4: 2,850,887 km (0.082 R)
• M5: 3,457,057 km (0.063 R)
• M6: 3,835,540 km (0.118 R)
• M7: 6,796,680 km (0.101 R)
• M8: 7,722,990 km (0.035 R)
• M9: 8,066,168 km (0.067 R)
• M10: 9,375,149 km (0.118 R)
• M11: 10,519,722 km (0.097 R)
• M12: 14,507,104 km (0.086 R)
• M13: 18,777,226 km (0.103 R)
• M14: 19,576,826 km (0.053 R)
• M15: 22,703,422 km (0.042 R)
• M16: 23,508,408 km (0.071 R)
• M17: 25,712,284 km (0.112 R)
• M18: 40,551,644 km (0.081 R)
• M19: 55,766,197 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 14,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit