🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82

Radius: 14.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.61 AU - 0.61 AU

Year: 329 Days

Day: 11.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 16,366,599 km

• M1: 187,297 km (0.058 R)
• M2: 718,967 km (0.11 R)
• M3: 1,384,379 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.9

Radius: 8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.59 AU - 0.81 AU

Year: 404 Days

Day: 11.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,366,599 km

• M1: 99,632 km (0.109 R)
• M2: 379,829 km (0.092 R)
• M3: 815,009 km (0.041 R)
• M4: 1,449,903 km (0.079 R)
• M5: 1,864,737 km (0.085 R)
• M6: 2,160,343 km (0.092 R)
• M7: 2,907,135 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.1

Radius: 14.1

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.54 AU - 0.88 AU

Year: 413 Days

Day: 6.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,366,599 km

• M1: 175,329 km (0.119 R)
• M2: 622,178 km (0.073 R)
• M3: 1,061,995 km (0.119 R)
• M4: 1,505,852 km (0.112 R)
• M5: 2,039,169 km (0.082 R)
• M6: 2,579,366 km (0.096 R)
• M7: 3,162,649 km (0.115 R)
• M8: 3,881,466 km (0.09 R)
• M9: 4,597,741 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.7

Radius: 13.9

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.67 AU - 1.03 AU

Year: 541 Days

Day: 5.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 124.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,366,599 km

• M1: 172,935 km (0.098 R)
• M2: 610,359 km (0.034 R)
• M3: 1,051,523 km (0.093 R)
• M4: 1,561,503 km (0.098 R)
• M5: 2,136,407 km (0.098 R)
• M6: 2,913,568 km (0.087 R)
• M7: 3,709,578 km (0.112 R)
• M8: 4,792,667 km (0.1 R)
• M9: 5,312,819 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.3

Radius: 8.7

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.55 AU - 2.57 AU

Year: 2041 Days

Day: 9.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,366,599 km

• M1: 116,088 km (0.111 R)
• M2: 478,713 km (0.098 R)
• M3: 851,511 km (0.09 R)
• M4: 1,503,758 km (0.114 R)
• M5: 2,507,560 km (0.088 R)
• M6: 2,812,889 km (0.109 R)
• M7: 3,213,961 km (0.104 R)
• M8: 3,586,310 km (0.077 R)
• M9: 4,058,889 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.3

Radius: 14.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.76 AU - 4.18 AU

Year: 4462 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,366,599 km

• M1: 186,399 km (0.063 R)
• M2: 699,968 km (0.107 R)
• M3: 1,383,930 km (0.117 R)
• M4: 1,956,740 km (0.042 R)
• M5: 2,811,393 km (0.092 R)
• M6: 3,639,567 km (0.063 R)
• M7: 4,425,105 km (0.081 R)
• M8: 5,073,013 km (0.098 R)
• M9: 10,206,016 km (0.094 R)
• M10: 14,027,643 km (0.112 R)
• M11: 15,315,830 km (0.092 R)
• M12: 20,344,862 km (0.043 R)
• M13: 20,908,696 km (0.078 R)
• M14: 21,774,120 km (0.067 R)
• M15: 22,364,283 km (0.086 R)
• M16: 26,131,906 km (0.071 R)
• M17: 27,051,484 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.4

Radius: 9.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.94 AU - 5.56 AU

Year: 7146 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 16,366,599 km

• M1: 123,119 km (0.107 R)
• M2: 503,546 km (0.106 R)
• M3: 848,818 km (0.088 R)
• M4: 1,447,509 km (0.068 R)
• M5: 1,855,911 km (0.049 R)
• M6: 2,259,377 km (0.082 R)
• M7: 3,043,569 km (0.082 R)
• M8: 4,119,327 km (0.111 R)
• M9: 4,947,800 km (0.098 R)
• M10: 5,285,742 km (0.117 R)
• M11: 5,821,751 km (0.117 R)
• M12: 6,295,826 km (0.1 R)
• M13: 7,002,527 km (0.093 R)
• M14: 8,897,633 km (0.091 R)
• M15: 10,007,649 km (0.109 R)
• M16: 11,743,283 km (0.099 R)
• M17: 13,130,504 km (0.084 R)
• M18: 15,861,264 km (0.074 R)
• M19: 18,476,235 km (0.073 R)
• M20: 19,431,267 km (0.027 R)
• M21: 20,634,932 km (0.104 R)
• M22: 25,697,473 km (0.088 R)
• M23: 26,372,758 km (0.046 R)
• M24: 28,739,247 km (0.093 R)
• M25: 31,819,766 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.4

Radius: 14.8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.91 AU - 6.27 AU

Year: 7927 Days

Day: 7.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,366,599 km

• M1: 184,454 km (0.097 R)
• M2: 983,905 km (0.074 R)
• M3: 3,102,809 km (0.1 R)
• M4: 10,987,964 km (0.081 R)
• M5: 12,378,775 km (0.048 R)
• M6: 14,546,149 km (0.112 R)
• M7: 16,269,666 km (0.088 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 20,032 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit