🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288

Radius: 12.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.61 AU - 0.95 AU

Year: 438 Days

Day: 9.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 14,584,064 km

• M1: 151,692 km (0.041 R)
• M2: 560,394 km (0.063 R)
• M3: 966,851 km (0.065 R)
• M4: 1,611,169 km (0.03 R)
• M5: 2,228,709 km (0.084 R)
• M6: 3,663,502 km (0.116 R)
• M7: 4,158,970 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.4

Radius: 14.2

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.76 AU - 0.8 AU

Year: 438 Days

Day: 13.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 14,584,064 km

• M1: 176,525 km (0.081 R)
• M2: 671,246 km (0.101 R)
• M3: 1,358,049 km (0.067 R)
• M4: 1,821,952 km (0.119 R)
• M5: 2,320,113 km (0.094 R)
• M6: 3,144,846 km (0.106 R)
• M7: 3,632,087 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.6

Radius: 13

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.89 AU - 0.89 AU

Year: 534 Days

Day: 12.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,584,064 km

• M1: 161,715 km (0.025 R)
• M2: 578,495 km (0.07 R)
• M3: 1,022,651 km (0.11 R)
• M4: 1,499,270 km (0.117 R)
• M5: 2,119,203 km (0.095 R)
• M6: 2,601,357 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.3

Radius: 12

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.91 AU - 0.97 AU

Year: 579 Days

Day: 13.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,584,064 km

• M1: 149,299 km (0.113 R)
• M2: 535,411 km (0.041 R)
• M3: 1,018,462 km (0.092 R)
• M4: 1,494,483 km (0.044 R)
• M5: 1,893,011 km (0.057 R)
• M6: 2,666,432 km (0.082 R)
• M7: 3,082,913 km (0.118 R)
• M8: 3,482,938 km (0.12 R)
• M9: 4,115,138 km (0.091 R)
• M10: 4,837,696 km (0.062 R)
• M11: 5,413,349 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 12.1

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.22 AU - 1.6 AU

Year: 1065 Days

Day: 14 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,584,064 km

• M1: 160,967 km (0.066 R)
• M2: 554,260 km (0.092 R)
• M3: 1,126,173 km (0.12 R)
• M4: 1,532,780 km (0.106 R)
• M5: 2,430,068 km (0.045 R)
• M6: 3,244,628 km (0.116 R)
• M7: 3,621,166 km (0.042 R)
• M8: 4,513,817 km (0.06 R)
• M9: 6,089,681 km (0.101 R)
• M10: 6,733,101 km (0.118 R)
• M11: 7,856,731 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.1

Radius: 8.2

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.63 AU - 1.85 AU

Year: 1459 Days

Day: 13.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 14,584,064 km

• M1: 102,026 km (0.103 R)
• M2: 673,789 km (0.089 R)
• M3: 930,349 km (0.11 R)
• M4: 1,417,290 km (0.098 R)
• M5: 1,789,340 km (0.114 R)
• M6: 2,237,535 km (0.087 R)
• M7: 2,494,993 km (0.115 R)
• M8: 2,799,874 km (0.073 R)
• M9: 3,159,357 km (0.045 R)
• M10: 3,919,315 km (0.116 R)
• M11: 4,599,087 km (0.117 R)
• M12: 5,419,781 km (0.114 R)
• M13: 5,751,589 km (0.056 R)
• M14: 7,190,571 km (0.119 R)
• M15: 8,497,458 km (0.047 R)
• M16: 9,858,051 km (0.07 R)
• M17: 12,125,506 km (0.088 R)
• M18: 13,083,381 km (0.103 R)
• M19: 13,360,436 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.6

Radius: 9.2

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.6 AU - 2.38 AU

Year: 1785 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 14,584,064 km

• M1: 114,442 km (0.104 R)
• M2: 409,300 km (0.089 R)
• M3: 703,409 km (0.099 R)
• M4: 1,051,075 km (0.053 R)
• M5: 1,422,077 km (0.115 R)
• M6: 1,761,964 km (0.063 R)
• M7: 2,242,173 km (0.117 R)
• M8: 2,636,962 km (0.104 R)
• M9: 3,794,700 km (0.109 R)
• M10: 5,284,096 km (0.085 R)
• M11: 5,604,684 km (0.115 R)
• M12: 6,209,808 km (0.085 R)
• M13: 6,857,716 km (0.115 R)
• M14: 7,927,939 km (0.06 R)
• M15: 8,410,542 km (0.065 R)
• M16: 8,753,570 km (0.091 R)
• M17: 9,534,620 km (0.082 R)
• M18: 10,432,208 km (0.077 R)
• M19: 10,865,144 km (0.064 R)
• M20: 12,475,266 km (0.116 R)
• M21: 13,590,817 km (0.12 R)
• M22: 14,636,955 km (0.071 R)
• M23: 15,783,024 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.1

Radius: 9.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.11 AU - 3.51 AU

Year: 2995 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,584,064 km

• M1: 118,332 km (0.068 R)
• M2: 451,786 km (0.081 R)
• M3: 1,042,847 km (0.034 R)
• M4: 2,058,616 km (0.105 R)
• M5: 2,983,580 km (0.107 R)
• M6: 4,295,104 km (0.04 R)
• M7: 4,706,050 km (0.081 R)
• M8: 6,825,104 km (0.107 R)
• M9: 8,093,694 km (0.084 R)
• M10: 8,539,495 km (0.091 R)
• M11: 9,032,869 km (0.109 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 11,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit