🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.28 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.6

Radius: 10.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.03 AU - 3.09 AU

Year: 2778 Days

Day: 7.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,365,799 km

• M1: 140,024 km (0.103 R)
• M2: 514,916 km (0.101 R)
• M3: 875,148 km (0.062 R)
• M4: 1,551,779 km (0.097 R)
• M5: 2,050,837 km (0.072 R)
• M6: 2,911,025 km (0.109 R)
• M7: 4,368,258 km (0.11 R)
• M8: 4,710,388 km (0.113 R)
• M9: 5,352,462 km (0.059 R)
• M10: 6,391,719 km (0.099 R)
• M11: 6,766,611 km (0.041 R)
• M12: 7,780,884 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.6

Radius: 12.2

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.25 AU - 3.45 AU

Year: 4159 Days

Day: 7.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,365,799 km

• M1: 151,842 km (0.08 R)
• M2: 1,111,363 km (0.079 R)
• M3: 1,693,298 km (0.115 R)
• M4: 2,167,972 km (0.12 R)
• M5: 2,746,168 km (0.053 R)
• M6: 3,731,120 km (0.076 R)
• M7: 4,848,916 km (0.09 R)
• M8: 6,178,242 km (0.074 R)
• M9: 6,773,343 km (0.079 R)
• M10: 8,046,869 km (0.109 R)
• M11: 9,721,618 km (0.116 R)
• M12: 10,266,752 km (0.107 R)
• M13: 11,820,326 km (0.111 R)
• M14: 12,315,645 km (0.084 R)
• M15: 13,436,432 km (0.076 R)
• M16: 14,113,362 km (0.079 R)
• M17: 15,147,084 km (0.094 R)
• M18: 17,260,004 km (0.089 R)
• M19: 18,223,115 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.2

Radius: 11.2

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.65 AU - 4.35 AU

Year: 5426 Days

Day: 8.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,365,799 km

• M1: 139,425 km (0.115 R)
• M2: 597,344 km (0.072 R)
• M3: 1,288,786 km (0.108 R)
• M4: 2,731,208 km (0.083 R)
• M5: 3,353,236 km (0.101 R)
• M6: 4,092,399 km (0.027 R)
• M7: 5,136,443 km (0.071 R)
• M8: 5,925,572 km (0.03 R)
• M9: 7,077,475 km (0.117 R)
• M10: 7,898,917 km (0.062 R)
• M11: 9,077,150 km (0.096 R)
• M12: 10,746,213 km (0.107 R)
• M13: 11,729,371 km (0.089 R)
• M14: 12,295,000 km (0.109 R)
• M15: 12,932,736 km (0.088 R)
• M16: 18,786,052 km (0.063 R)
• M17: 20,137,669 km (0.093 R)
• M18: 21,477,168 km (0.094 R)
• M19: 22,324,341 km (0.109 R)
• M20: 23,840,216 km (0.059 R)
• M21: 24,250,114 km (0.105 R)
• M22: 27,882,799 km (0.064 R)
• M23: 28,521,582 km (0.078 R)
• M24: 32,662,002 km (0.099 R)
• M25: 34,299,650 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.1

Radius: 6.2

Gravity: 23.47 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7 AU - 7.9 AU

Year: 13792 Days

Day: 20.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,365,799 km

• M1: 77,043 km (0.109 R)
• M2: 305,479 km (0.104 R)
• M3: 581,786 km (0.118 R)
• M4: 1,045,091 km (0.032 R)
• M5: 1,815,221 km (0.102 R)
• M6: 2,912,970 km (0.062 R)
• M7: 3,993,814 km (0.06 R)
• M8: 6,656,956 km (0.091 R)
• M9: 9,812,274 km (0.068 R)
• M10: 14,051,578 km (0.09 R)
• M11: 18,516,776 km (0.112 R)
• M12: 18,941,035 km (0.108 R)
• M13: 22,284,099 km (0.067 R)
• M14: 24,958,011 km (0.117 R)
• M15: 25,475,620 km (0.111 R)
• M16: 29,416,028 km (0.114 R)
• M17: 33,744,044 km (0.095 R)
• M18: 35,276,075 km (0.094 R)
• M19: 36,987,475 km (0.066 R)
• M20: 41,290,359 km (0.102 R)
• M21: 45,760,941 km (0.092 R)
• M22: 49,237,147 km (0.081 R)
• M23: 53,738,996 km (0.1 R)
• M24: 56,354,715 km (0.042 R)
• M25: 57,066,352 km (0.072 R)
• M26: 57,964,238 km (0.098 R)
• M27: 65,098,710 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604

Radius: 3.2

Gravity: 58.98 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8.13 AU - 8.71 AU

Year: 16571 Days

Day: 16.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,365,799 km

• M1: 41,439 km (0.041 R)
• M2: 162,463 km (0.083 R)
• M3: 460,462 km (0.064 R)
• M4: 679,025 km (0.117 R)
• M5: 1,021,005 km (0.098 R)
• M6: 1,264,252 km (0.087 R)
• M7: 1,497,774 km (0.1 R)
• M8: 1,974,692 km (0.086 R)
• M9: 2,207,466 km (0.112 R)
• M10: 2,941,992 km (0.077 R)
• M11: 4,095,242 km (0.059 R)
• M12: 7,747,524 km (0.096 R)
• M13: 10,683,831 km (0.104 R)
• M14: 11,036,583 km (0.053 R)
• M15: 13,658,136 km (0.115 R)
• M16: 22,868,727 km (0.045 R)
• M17: 26,852,967 km (0.063 R)
• M18: 27,833,881 km (0.102 R)
• M19: 29,406,753 km (0.079 R)
• M20: 29,866,766 km (0.086 R)
• M21: 30,565,837 km (0.086 R)
• M22: 35,507,055 km (0.08 R)
• M23: 42,398,729 km (0.11 R)
• M24: 45,847,708 km (0.053 R)
• M25: 47,403,975 km (0.105 R)
• M26: 60,397,747 km (0.106 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 19,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit