🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.2

Radius: 8.1

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.57 AU - 0.85 AU

Year: 386 Days

Day: 11.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,455,757 km

• M1: 103,223 km (0.114 R)
• M2: 360,531 km (0.1 R)
• M3: 642,822 km (0.095 R)
• M4: 950,096 km (0.088 R)
• M5: 2,196,845 km (0.079 R)
• M6: 2,709,965 km (0.096 R)
• M7: 2,989,713 km (0.078 R)
• M8: 3,582,420 km (0.116 R)
• M9: 4,394,437 km (0.045 R)
• M10: 4,675,681 km (0.099 R)
• M11: 5,695,490 km (0.082 R)
• M12: 6,012,488 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.7

Radius: 12.8

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.7 AU - 1 AU

Year: 506 Days

Day: 8.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 164.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 71,455,757 km

• M1: 159,172 km (0.063 R)
• M2: 570,417 km (0.092 R)
• M3: 990,787 km (0.101 R)

Asteroid Belt

Center: 1.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.9

Radius: 15

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.28 AU - 2.3 AU

Year: 2238 Days

Day: 8.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,455,757 km

• M1: 189,092 km (0.047 R)
• M2: 671,545 km (0.097 R)
• M3: 1,154,746 km (0.079 R)
• M4: 1,853,518 km (0.056 R)
• M5: 2,652,370 km (0.116 R)
• M6: 3,840,477 km (0.044 R)
• M7: 4,623,621 km (0.072 R)
• M8: 6,510,350 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.6

Radius: 11.6

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.88 AU - 3 AU

Year: 3255 Days

Day: 7.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,455,757 km

• M1: 144,362 km (0.118 R)
• M2: 543,339 km (0.03 R)
• M3: 959,521 km (0.035 R)
• M4: 1,444,068 km (0.081 R)
• M5: 2,802,417 km (0.074 R)
• M6: 3,299,680 km (0.114 R)
• M7: 6,975,749 km (0.103 R)
• M8: 8,136,030 km (0.117 R)
• M9: 9,191,293 km (0.117 R)
• M10: 9,771,883 km (0.079 R)
• M11: 10,294,727 km (0.104 R)
• M12: 13,194,383 km (0.109 R)
• M13: 13,783,798 km (0.089 R)
• M14: 15,280,824 km (0.12 R)
• M15: 15,712,264 km (0.086 R)
• M16: 18,172,102 km (0.092 R)
• M17: 18,595,614 km (0.077 R)
• M18: 21,010,423 km (0.093 R)
• M19: 21,950,645 km (0.067 R)
• M20: 23,129,776 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.3

Radius: 14.6

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.22 AU - 3.72 AU

Year: 4174 Days

Day: 5.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 129.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,455,757 km

• M1: 181,612 km (0.044 R)
• M2: 729,290 km (0.069 R)
• M3: 1,259,315 km (0.117 R)
• M4: 1,930,710 km (0.039 R)
• M5: 3,402,155 km (0.073 R)
• M6: 4,405,208 km (0.058 R)
• M7: 5,280,954 km (0.119 R)
• M8: 5,784,351 km (0.066 R)
• M9: 7,076,727 km (0.033 R)
• M10: 7,719,250 km (0.081 R)
• M11: 8,188,987 km (0.118 R)
• M12: 9,480,915 km (0.049 R)
• M13: 10,545,004 km (0.117 R)
• M14: 11,384,847 km (0.115 R)
• M15: 11,956,311 km (0.069 R)
• M16: 13,239,711 km (0.115 R)
• M17: 14,702,180 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 8.6

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3 AU - 4.62 AU

Year: 4802 Days

Day: 13.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,455,757 km

• M1: 106,962 km (0.089 R)
• M2: 383,270 km (0.114 R)
• M3: 719,267 km (0.102 R)
• M4: 1,347,129 km (0.096 R)
• M5: 1,641,986 km (0.117 R)
• M6: 2,476,144 km (0.049 R)
• M7: 2,780,426 km (0.08 R)
• M8: 4,003,239 km (0.09 R)
• M9: 4,473,126 km (0.091 R)
• M10: 4,849,365 km (0.114 R)
• M11: 5,439,379 km (0.066 R)
• M12: 7,778,940 km (0.08 R)
• M13: 8,139,620 km (0.086 R)
• M14: 8,436,273 km (0.076 R)
• M15: 8,972,581 km (0.043 R)
• M16: 9,736,727 km (0.106 R)
• M17: 10,241,171 km (0.06 R)
• M18: 10,674,855 km (0.042 R)
• M19: 11,812,697 km (0.061 R)
• M20: 12,979,261 km (0.118 R)
• M21: 14,543,157 km (0.032 R)
• M22: 16,170,632 km (0.081 R)
• M23: 17,300,695 km (0.07 R)
• M24: 22,134,351 km (0.077 R)
• M25: 22,495,032 km (0.11 R)
• M26: 23,451,261 km (0.107 R)
• M27: 26,970,851 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.9

Radius: 7.8

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.35 AU - 11.69 AU

Year: 18966 Days

Day: 19.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,455,757 km

• M1: 97,538 km (0.107 R)
• M2: 378,483 km (0.12 R)
• M3: 899,083 km (0.083 R)
• M4: 1,581,100 km (0.103 R)
• M5: 3,262,580 km (0.11 R)
• M6: 5,652,556 km (0.109 R)
• M7: 6,730,558 km (0.091 R)
• M8: 8,595,445 km (0.09 R)
• M9: 9,618,545 km (0.099 R)
• M10: 13,104,624 km (0.045 R)
• M11: 14,237,080 km (0.108 R)
• M12: 14,604,043 km (0.089 R)
• M13: 15,052,687 km (0.055 R)
• M14: 15,356,820 km (0.108 R)
• M15: 18,025,197 km (0.041 R)
• M16: 24,259,688 km (0.116 R)
• M17: 27,290,242 km (0.102 R)
• M18: 30,443,017 km (0.074 R)
• M19: 36,907,440 km (0.084 R)
• M20: 40,751,657 km (0.119 R)
• M21: 41,194,616 km (0.097 R)
• M22: 43,611,519 km (0.067 R)
• M23: 44,230,256 km (0.084 R)
• M24: 45,485,233 km (0.058 R)
• M25: 54,583,177 km (0.118 R)
• M26: 58,238,750 km (0.088 R)
• M27: 65,627,838 km (0.11 R)
• M28: 69,336,369 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 14,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit