🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.2

Radius: 11.7

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.77 AU - 0.81 AU

Year: 476 Days

Day: 6.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,974,489 km

• M1: 145,559 km (0.096 R)
• M2: 598,092 km (0.083 R)
• M3: 1,026,840 km (0.093 R)
• M4: 1,571,825 km (0.045 R)
• M5: 2,159,744 km (0.102 R)
• M6: 2,636,662 km (0.106 R)
• M7: 3,160,405 km (0.115 R)
• M8: 3,925,598 km (0.117 R)
• M9: 4,702,459 km (0.07 R)
• M10: 5,258,814 km (0.026 R)
• M11: 5,735,283 km (0.034 R)
• M12: 6,371,373 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.5

Radius: 8.3

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.97 AU - 1.03 AU

Year: 678 Days

Day: 11.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,974,489 km

• M1: 103,223 km (0.109 R)
• M2: 365,318 km (0.09 R)
• M3: 686,804 km (0.077 R)
• M4: 1,051,523 km (0.115 R)
• M5: 1,350,420 km (0.118 R)
• M6: 2,105,440 km (0.087 R)
• M7: 2,449,964 km (0.035 R)
• M8: 2,775,041 km (0.071 R)
• M9: 3,190,623 km (0.071 R)
• M10: 3,552,351 km (0.044 R)
• M11: 4,131,594 km (0.095 R)
• M12: 4,389,650 km (0.025 R)
• M13: 4,788,777 km (0.092 R)
• M14: 5,423,820 km (0.112 R)
• M15: 5,733,787 km (0.117 R)
• M16: 6,490,154 km (0.05 R)
• M17: 7,030,202 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.8

Radius: 13.4

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.18 AU - 1.28 AU

Year: 925 Days

Day: 13.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,974,489 km

• M1: 167,550 km (0.058 R)
• M2: 588,219 km (0.101 R)
• M3: 1,010,982 km (0.088 R)
• M4: 1,554,023 km (0.049 R)
• M5: 1,974,542 km (0.106 R)
• M6: 2,483,624 km (0.119 R)
• M7: 3,399,612 km (0.08 R)
• M8: 3,967,336 km (0.075 R)
• M9: 5,000,309 km (0.087 R)
• M10: 5,917,493 km (0.1 R)
• M11: 6,545,954 km (0.106 R)
• M12: 7,057,579 km (0.086 R)
• M13: 8,111,047 km (0.051 R)
• M14: 8,571,210 km (0.09 R)
• M15: 9,103,030 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.6

Radius: 9.3

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.12 AU - 1.56 AU

Year: 1052 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,974,489 km

• M1: 115,639 km (0.113 R)
• M2: 761,304 km (0.099 R)
• M3: 1,082,041 km (0.109 R)
• M4: 1,501,813 km (0.119 R)
• M5: 1,823,000 km (0.055 R)
• M6: 2,530,298 km (0.088 R)
• M7: 3,410,233 km (0.08 R)
• M8: 3,927,991 km (0.057 R)
• M9: 4,229,281 km (0.114 R)
• M10: 4,594,749 km (0.109 R)
• M11: 4,946,902 km (0.071 R)
• M12: 5,686,664 km (0.093 R)
• M13: 6,172,857 km (0.059 R)
• M14: 6,498,382 km (0.098 R)
• M15: 7,317,729 km (0.068 R)
• M16: 7,752,461 km (0.047 R)
• M17: 8,156,076 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.9

Radius: 10.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.26 AU - 3.3 AU

Year: 3144 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,974,489 km

• M1: 133,142 km (0.092 R)
• M2: 476,469 km (0.079 R)
• M3: 875,896 km (0.12 R)
• M4: 1,274,873 km (0.055 R)
• M5: 1,656,048 km (0.09 R)
• M6: 2,126,085 km (0.064 R)
• M7: 3,006,618 km (0.082 R)
• M8: 3,712,122 km (0.082 R)
• M9: 5,144,671 km (0.1 R)
• M10: 5,621,738 km (0.107 R)
• M11: 7,349,594 km (0.083 R)
• M12: 8,143,958 km (0.112 R)
• M13: 10,343,047 km (0.081 R)
• M14: 11,659,808 km (0.099 R)
• M15: 12,825,474 km (0.078 R)
• M16: 13,839,748 km (0.101 R)
• M17: 15,002,123 km (0.076 R)
• M18: 15,582,563 km (0.107 R)
• M19: 16,027,766 km (0.041 R)
• M20: 16,634,535 km (0.099 R)
• M21: 17,047,425 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.9

Radius: 14.1

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.08 AU - 5.28 AU

Year: 7996 Days

Day: 10.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,974,489 km

• M1: 178,620 km (0.056 R)
• M2: 701,764 km (0.118 R)
• M3: 1,191,098 km (0.078 R)
• M4: 2,078,363 km (0.108 R)
• M5: 2,624,695 km (0.076 R)
• M6: 3,394,226 km (0.025 R)
• M7: 3,939,810 km (0.077 R)
• M8: 10,942,336 km (0.059 R)
• M9: 13,096,845 km (0.08 R)
• M10: 17,758,763 km (0.09 R)
• M11: 22,316,113 km (0.112 R)
• M12: 27,063,751 km (0.088 R)
• M13: 30,195,133 km (0.068 R)
• M14: 35,867,137 km (0.061 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: 229 - 13,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit