🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.1

Radius: 9.6

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.46 AU - 0.66 AU

Year: 289 Days

Day: 13.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,716,299 km

• M1: 119,529 km (0.102 R)
• M2: 497,413 km (0.097 R)
• M3: 815,608 km (0.088 R)
• M4: 1,341,444 km (0.054 R)
• M5: 1,756,129 km (0.046 R)
• M6: 2,223,024 km (0.108 R)
• M7: 2,660,299 km (0.083 R)
• M8: 3,332,143 km (0.079 R)
• M9: 4,300,789 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.7

Radius: 10.8

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.52 AU - 0.76 AU

Year: 353 Days

Day: 7.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 40,716,299 km

• M1: 134,339 km (0.115 R)
• M2: 806,333 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 9.2

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.76 AU - 1.14 AU

Year: 639 Days

Day: 6.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,716,299 km

• M1: 114,442 km (0.074 R)
• M2: 407,205 km (0.078 R)
• M3: 811,269 km (0.115 R)
• M4: 1,304,493 km (0.097 R)
• M5: 1,811,929 km (0.102 R)
• M6: 2,652,819 km (0.069 R)
• M7: 4,871,804 km (0.102 R)
• M8: 5,424,718 km (0.099 R)
• M9: 6,018,771 km (0.063 R)
• M10: 6,497,335 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.8

Radius: 13

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.36 AU - 1.38 AU

Year: 1107 Days

Day: 8.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,716,299 km

• M1: 161,715 km (0.044 R)
• M2: 620,083 km (0.095 R)
• M3: 1,027,887 km (0.102 R)
• M4: 1,576,911 km (0.078 R)
• M5: 2,482,577 km (0.056 R)
• M6: 4,501,699 km (0.106 R)
• M7: 5,636,698 km (0.088 R)
• M8: 6,250,498 km (0.087 R)
• M9: 7,231,411 km (0.063 R)
• M10: 7,932,128 km (0.116 R)
• M11: 8,389,598 km (0.108 R)
• M12: 9,441,720 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994

Radius: 12.6

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.22 AU - 1.58 AU

Year: 1143 Days

Day: 6.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,716,299 km

• M1: 156,629 km (0.114 R)
• M2: 578,345 km (0.041 R)
• M3: 1,046,288 km (0.078 R)
• M4: 1,459,327 km (0.09 R)
• M5: 1,911,861 km (0.111 R)
• M6: 2,338,813 km (0.084 R)
• M7: 3,389,888 km (0.12 R)
• M8: 4,040,190 km (0.112 R)
• M9: 5,612,763 km (0.088 R)
• M10: 6,892,273 km (0.057 R)
• M11: 7,721,494 km (0.084 R)
• M12: 9,423,469 km (0.058 R)
• M13: 10,021,561 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.9

Radius: 13.5

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.3 AU - 1.68 AU

Year: 1255 Days

Day: 10.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,716,299 km

• M1: 176,077 km (0.067 R)
• M2: 1,395,748 km (0.101 R)
• M3: 2,072,828 km (0.041 R)
• M4: 2,893,672 km (0.1 R)
• M5: 3,471,867 km (0.103 R)
• M6: 4,960,366 km (0.064 R)
• M7: 6,083,547 km (0.088 R)
• M8: 6,988,465 km (0.109 R)
• M9: 7,473,760 km (0.071 R)
• M10: 8,229,828 km (0.108 R)
• M11: 10,442,530 km (0.104 R)
• M12: 10,942,336 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.3

Radius: 9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.19 AU - 3.45 AU

Year: 3269 Days

Day: 14.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,716,299 km

• M1: 111,899 km (0.096 R)
• M2: 658,679 km (0.078 R)
• M3: 1,039,406 km (0.113 R)
• M4: 2,210,907 km (0.101 R)
• M5: 2,672,566 km (0.112 R)
• M6: 3,621,465 km (0.111 R)
• M7: 4,880,780 km (0.046 R)
• M8: 5,572,969 km (0.106 R)
• M9: 6,700,189 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.8

Radius: 12.8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.32 AU - 5.62 AU

Year: 7648 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 125.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,716,299 km

• M1: 159,322 km (0.088 R)
• M2: 823,835 km (0.053 R)
• M3: 1,839,156 km (0.075 R)
• M4: 2,402,243 km (0.053 R)
• M5: 3,661,258 km (0.084 R)
• M6: 4,560,940 km (0.108 R)
• M7: 5,698,931 km (0.064 R)
• M8: 6,129,174 km (0.057 R)
• M9: 8,237,158 km (0.087 R)
• M10: 8,702,258 km (0.075 R)
• M11: 9,547,187 km (0.106 R)
• M12: 13,194,981 km (0.109 R)
• M13: 16,527,423 km (0.108 R)
• M14: 17,269,279 km (0.119 R)
• M15: 22,439,381 km (0.078 R)
• M16: 25,066,320 km (0.114 R)
• M17: 28,271,454 km (0.066 R)
• M18: 30,621,188 km (0.096 R)
• M19: 36,153,766 km (0.037 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 19,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit