🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236

Radius: 14

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.65 AU - 0.85 AU

Year: 441 Days

Day: 5.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,385,713 km

• M1: 174,431 km (0.089 R)
• M2: 725,998 km (0.09 R)
• M3: 2,261,920 km (0.096 R)
• M4: 2,765,167 km (0.109 R)
• M5: 3,374,330 km (0.08 R)
• M6: 3,840,626 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.8

Radius: 9.4

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.81 AU - 0.83 AU

Year: 504 Days

Day: 10.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,385,713 km

• M1: 116,986 km (0.083 R)
• M2: 495,319 km (0.042 R)
• M3: 818,001 km (0.077 R)
• M4: 1,304,942 km (0.08 R)
• M5: 1,627,326 km (0.054 R)
• M6: 2,012,241 km (0.103 R)
• M7: 2,467,617 km (0.052 R)
• M8: 3,291,602 km (0.068 R)
• M9: 3,652,582 km (0.033 R)
• M10: 4,097,486 km (0.12 R)
• M11: 4,897,685 km (0.045 R)
• M12: 5,439,678 km (0.091 R)
• M13: 6,134,709 km (0.115 R)
• M14: 6,563,457 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304

Radius: 9.1

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.95 AU - 1.23 AU

Year: 772 Days

Day: 13 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,385,713 km

• M1: 113,545 km (0.099 R)
• M2: 417,079 km (0.095 R)
• M3: 847,322 km (0.062 R)
• M4: 1,451,249 km (0.099 R)
• M5: 1,910,514 km (0.075 R)
• M6: 2,699,942 km (0.079 R)
• M7: 3,181,049 km (0.058 R)
• M8: 3,771,362 km (0.039 R)
• M9: 4,358,983 km (0.057 R)
• M10: 4,737,017 km (0.051 R)
• M11: 5,805,295 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.5

Radius: 13.4

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.01 AU - 2.89 AU

Year: 2601 Days

Day: 6.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,385,713 km

• M1: 166,652 km (0.092 R)
• M2: 716,574 km (0.08 R)
• M3: 1,686,417 km (0.095 R)
• M4: 2,499,481 km (0.087 R)
• M5: 3,394,525 km (0.11 R)
• M6: 3,892,686 km (0.119 R)
• M7: 4,386,210 km (0.109 R)
• M8: 5,625,628 km (0.083 R)
• M9: 8,256,606 km (0.103 R)
• M10: 8,989,186 km (0.094 R)
• M11: 10,200,331 km (0.089 R)
• M12: 10,648,975 km (0.12 R)
• M13: 11,380,808 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.7

Radius: 10.6

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.62 AU - 3.16 AU

Year: 3332 Days

Day: 10.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,385,713 km

• M1: 133,441 km (0.036 R)
• M2: 525,837 km (0.088 R)
• M3: 901,477 km (0.094 R)
• M4: 1,833,472 km (0.114 R)
• M5: 3,158,460 km (0.09 R)
• M6: 6,961,537 km (0.043 R)
• M7: 8,237,308 km (0.092 R)
• M8: 8,851,856 km (0.078 R)
• M9: 14,389,819 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.3

Radius: 13.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.16 AU - 4.7 AU

Year: 5284 Days

Day: 13.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,385,713 km

• M1: 172,187 km (0.101 R)
• M2: 611,406 km (0.064 R)
• M3: 1,320,500 km (0.106 R)
• M4: 3,072,441 km (0.115 R)
• M5: 3,866,507 km (0.039 R)
• M6: 5,679,483 km (0.11 R)
• M7: 7,240,986 km (0.11 R)
• M8: 8,579,587 km (0.095 R)
• M9: 9,144,619 km (0.067 R)
• M10: 15,203,781 km (0.093 R)
• M11: 15,770,608 km (0.109 R)
• M12: 17,277,507 km (0.116 R)
• M13: 19,055,627 km (0.09 R)
• M14: 20,451,675 km (0.09 R)
• M15: 20,952,827 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.2

Radius: 11

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.83 AU - 4.73 AU

Year: 6006 Days

Day: 8.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,385,713 km

• M1: 141,071 km (0.069 R)
• M2: 787,782 km (0.095 R)
• M3: 1,816,118 km (0.082 R)
• M4: 3,245,526 km (0.084 R)
• M5: 4,896,488 km (0.115 R)
• M6: 5,818,908 km (0.12 R)
• M7: 6,321,856 km (0.063 R)
• M8: 8,295,651 km (0.094 R)
• M9: 9,523,251 km (0.089 R)
• M10: 10,477,835 km (0.075 R)
• M11: 11,358,667 km (0.086 R)
• M12: 11,724,584 km (0.12 R)
• M13: 12,722,850 km (0.045 R)
• M14: 13,267,835 km (0.113 R)
• M15: 14,193,098 km (0.117 R)
• M16: 14,779,522 km (0.098 R)
• M17: 17,048,921 km (0.09 R)
• M18: 17,468,693 km (0.075 R)
• M19: 18,896,754 km (0.091 R)
• M20: 20,603,217 km (0.12 R)
• M21: 23,059,465 km (0.084 R)
• M22: 26,257,269 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 10,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit