🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.2

Radius: 13.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.16 AU - 1.58 AU

Year: 1052 Days

Day: 8.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,718,916 km

• M1: 170,392 km (0.1 R)
• M2: 784,491 km (0.107 R)
• M3: 1,219,971 km (0.058 R)
• M4: 1,939,985 km (0.096 R)
• M5: 2,567,997 km (0.104 R)
• M6: 3,275,894 km (0.11 R)
• M7: 3,749,371 km (0.065 R)
• M8: 4,189,189 km (0.086 R)
• M9: 4,680,917 km (0.111 R)
• M10: 5,663,775 km (0.081 R)
• M11: 6,714,401 km (0.118 R)
• M12: 7,206,129 km (0.031 R)
• M13: 7,698,007 km (0.087 R)
• M14: 9,147,162 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.9

Radius: 11.6

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.19 AU - 1.91 AU

Year: 1266 Days

Day: 13.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,718,916 km

• M1: 144,362 km (0.112 R)
• M2: 551,567 km (0.069 R)
• M3: 1,021,454 km (0.112 R)
• M4: 2,061,907 km (0.118 R)
• M5: 4,044,977 km (0.116 R)

Asteroid Belt

Center: 2.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 12.3

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.19 AU - 4.65 AU

Year: 5091 Days

Day: 5.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,718,916 km

• M1: 153,039 km (0.107 R)
• M2: 632,350 km (0.059 R)
• M3: 1,099,544 km (0.094 R)
• M4: 1,527,394 km (0.089 R)
• M5: 2,001,769 km (0.087 R)
• M6: 2,451,610 km (0.057 R)
• M7: 2,934,661 km (0.059 R)
• M8: 3,698,059 km (0.063 R)
• M9: 4,116,335 km (0.116 R)
• M10: 4,925,211 km (0.072 R)
• M11: 5,565,789 km (0.089 R)
• M12: 6,261,419 km (0.036 R)
• M13: 8,882,374 km (0.087 R)
• M14: 9,991,492 km (0.074 R)
• M15: 10,558,917 km (0.092 R)
• M16: 11,320,071 km (0.104 R)
• M17: 12,716,268 km (0.114 R)
• M18: 13,190,343 km (0.073 R)
• M19: 17,827,129 km (0.107 R)
• M20: 18,361,493 km (0.079 R)
• M21: 19,213,902 km (0.108 R)
• M22: 20,092,490 km (0.094 R)
• M23: 23,309,293 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.7

Radius: 8.8

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.09 AU - 4.87 AU

Year: 5209 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,718,916 km

• M1: 581,188 km (0.085 R)
• M2: 1,977,983 km (0.033 R)
• M3: 2,652,669 km (0.115 R)
• M4: 3,210,819 km (0.082 R)
• M5: 4,060,834 km (0.051 R)
• M6: 4,368,258 km (0.111 R)
• M7: 4,780,250 km (0.07 R)
• M8: 5,076,753 km (0.071 R)
• M9: 6,015,181 km (0.1 R)
• M10: 6,777,532 km (0.117 R)
• M11: 7,420,503 km (0.102 R)
• M12: 8,861,729 km (0.085 R)
• M13: 16,049,907 km (0.053 R)
• M14: 16,407,146 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.4

Radius: 14.5

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4 AU - 4.46 AU

Year: 5707 Days

Day: 14.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 107.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,718,916 km

• M1: 209,287 km (0.106 R)
• M2: 661,821 km (0.099 R)
• M3: 1,635,853 km (0.056 R)
• M4: 2,575,627 km (0.074 R)
• M5: 3,045,813 km (0.09 R)
• M6: 4,144,310 km (0.068 R)
• M7: 5,866,032 km (0.047 R)
• M8: 6,381,845 km (0.065 R)
• M9: 9,301,397 km (0.11 R)
• M10: 10,282,610 km (0.052 R)
• M11: 10,853,026 km (0.048 R)
• M12: 11,824,964 km (0.066 R)
• M13: 12,451,480 km (0.077 R)
• M14: 12,935,728 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.3

Radius: 6.7

Gravity: 16.18 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.88 AU - 7.64 AU

Year: 12833 Days

Day: 17.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,718,916 km

• M1: 83,326 km (0.075 R)
• M2: 337,493 km (0.116 R)
• M3: 688,749 km (0.109 R)
• M4: 951,891 km (0.109 R)
• M5: 1,243,158 km (0.115 R)
• M6: 1,800,410 km (0.081 R)
• M7: 2,388,779 km (0.077 R)
• M8: 2,979,092 km (0.103 R)
• M9: 3,581,672 km (0.085 R)
• M10: 4,202,803 km (0.103 R)
• M11: 6,822,710 km (0.08 R)
• M12: 7,158,857 km (0.051 R)
• M13: 8,615,491 km (0.051 R)
• M14: 10,756,984 km (0.092 R)
• M15: 11,040,323 km (0.036 R)
• M16: 11,386,941 km (0.108 R)
• M17: 11,681,350 km (0.081 R)
• M18: 20,974,369 km (0.077 R)
• M19: 21,865,674 km (0.088 R)
• M20: 23,155,806 km (0.117 R)
• M21: 23,533,391 km (0.1 R)
• M22: 24,593,441 km (0.057 R)
• M23: 25,584,228 km (0.089 R)
• M24: 27,963,732 km (0.057 R)
• M25: 28,392,180 km (0.112 R)
• M26: 30,149,506 km (0.108 R)
• M27: 37,127,798 km (0.076 R)
• M28: 41,541,982 km (0.09 R)
• M29: 42,239,856 km (0.109 R)
• M30: 45,110,041 km (0.075 R)
• M31: 48,107,534 km (0.109 R)
• M32: 50,599,086 km (0.075 R)
• M33: 53,503,379 km (0.073 R)
• M34: 57,546,112 km (0.091 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 13,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit