🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.7

Radius: 8.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.51 AU - 0.73 AU

Year: 326 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,004,666 km

• M1: 103,223 km (0.086 R)
• M2: 374,593 km (0.096 R)
• M3: 680,072 km (0.043 R)
• M4: 1,006,345 km (0.11 R)
• M5: 1,354,459 km (0.118 R)
• M6: 1,895,854 km (0.104 R)
• M7: 2,190,562 km (0.099 R)
• M8: 2,466,270 km (0.086 R)
• M9: 2,765,167 km (0.083 R)
• M10: 3,040,577 km (0.12 R)
• M11: 3,447,034 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.5

Radius: 11.7

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.56 AU - 0.74 AU

Year: 349 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 17,004,666 km

• M1: 146,157 km (0.116 R)
• M2: 555,457 km (0.117 R)
• M3: 1,001,259 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.8

Radius: 14.2

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.92 AU - 1.08 AU

Year: 667 Days

Day: 5.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,004,666 km

• M1: 176,675 km (0.077 R)
• M2: 621,729 km (0.051 R)
• M3: 1,098,647 km (0.104 R)
• M4: 1,560,306 km (0.087 R)
• M5: 2,004,462 km (0.102 R)
• M6: 2,879,161 km (0.076 R)
• M7: 3,525,423 km (0.062 R)
• M8: 4,592,056 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.7

Radius: 10.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.48 AU - 1.62 AU

Year: 1287 Days

Day: 9.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,004,666 km

• M1: 128,056 km (0.116 R)
• M2: 448,794 km (0.085 R)
• M3: 904,918 km (0.099 R)
• M4: 1,474,736 km (0.111 R)
• M5: 1,863,840 km (0.073 R)
• M6: 2,911,923 km (0.089 R)
• M7: 3,281,429 km (0.096 R)
• M8: 5,496,226 km (0.116 R)
• M9: 6,103,444 km (0.073 R)
• M10: 6,989,063 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799

Radius: 12.1

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.48 AU - 2.08 AU

Year: 1584 Days

Day: 12.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,004,666 km

• M1: 150,495 km (0.12 R)
• M2: 620,532 km (0.117 R)
• M3: 1,264,850 km (0.092 R)
• M4: 1,966,913 km (0.052 R)
• M5: 2,676,755 km (0.09 R)
• M6: 3,260,934 km (0.039 R)
• M7: 4,036,899 km (0.105 R)
• M8: 4,430,191 km (0.055 R)
• M9: 5,360,690 km (0.102 R)
• M10: 7,607,201 km (0.089 R)
• M11: 8,299,540 km (0.109 R)
• M12: 9,191,742 km (0.07 R)
• M13: 9,611,962 km (0.092 R)
• M14: 10,180,883 km (0.038 R)
• M15: 11,022,072 km (0.077 R)
• M16: 11,422,994 km (0.113 R)
• M17: 14,078,656 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.6

Radius: 8

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.3 AU - 2.66 AU

Year: 2604 Days

Day: 6.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,004,666 km

• M1: 101,727 km (0.084 R)
• M2: 355,893 km (0.08 R)
• M3: 787,034 km (0.049 R)
• M4: 1,138,290 km (0.036 R)
• M5: 1,885,382 km (0.077 R)
• M6: 2,801,968 km (0.09 R)
• M7: 4,491,377 km (0.079 R)
• M8: 5,551,128 km (0.113 R)
• M9: 7,021,376 km (0.077 R)
• M10: 10,300,113 km (0.1 R)
• M11: 11,561,073 km (0.051 R)
• M12: 14,340,601 km (0.12 R)
• M13: 17,588,970 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.1

Radius: 10.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.94 AU - 3.26 AU

Year: 3640 Days

Day: 11.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 17,004,666 km

• M1: 135,835 km (0.11 R)
• M2: 528,230 km (0.109 R)
• M3: 1,242,560 km (0.093 R)
• M4: 2,311,736 km (0.067 R)
• M5: 2,703,832 km (0.116 R)
• M6: 3,124,651 km (0.078 R)
• M7: 3,606,505 km (0.031 R)
• M8: 4,847,121 km (0.108 R)
• M9: 5,310,724 km (0.118 R)
• M10: 6,456,345 km (0.09 R)
• M11: 6,909,028 km (0.047 R)
• M12: 8,395,732 km (0.108 R)
• M13: 8,871,004 km (0.113 R)
• M14: 9,230,787 km (0.039 R)
• M15: 11,793,997 km (0.111 R)
• M16: 12,189,683 km (0.11 R)
• M17: 13,515,719 km (0.038 R)
• M18: 14,935,702 km (0.028 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.6

Radius: 8.2

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.82 AU - 4.62 AU

Year: 4785 Days

Day: 8.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 17,004,666 km

• M1: 102,026 km (0.03 R)
• M2: 392,246 km (0.026 R)
• M3: 720,463 km (0.103 R)
• M4: 1,044,193 km (0.116 R)
• M5: 1,417,889 km (0.117 R)
• M6: 2,317,869 km (0.09 R)
• M7: 2,914,167 km (0.118 R)
• M8: 3,662,455 km (0.079 R)
• M9: 4,679,870 km (0.05 R)
• M10: 4,983,554 km (0.098 R)
• M11: 6,704,528 km (0.086 R)
• M12: 7,175,911 km (0.111 R)
• M13: 7,939,458 km (0.1 R)
• M14: 8,435,674 km (0.051 R)
• M15: 8,691,337 km (0.12 R)
• M16: 9,018,358 km (0.054 R)
• M17: 9,593,113 km (0.087 R)
• M18: 11,542,373 km (0.086 R)
• M19: 13,697,779 km (0.09 R)
• M20: 14,321,004 km (0.094 R)
• M21: 15,338,569 km (0.047 R)
• M22: 16,852,948 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 11,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit