🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.6

Radius: 8.5

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.59 AU - 0.59 AU

Year: 302 Days

Day: 11.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,767,610 km

• M1: 105,766 km (0.105 R)
• M2: 400,025 km (0.12 R)
• M3: 805,734 km (0.046 R)
• M4: 1,098,796 km (0.061 R)
• M5: 1,409,511 km (0.09 R)
• M6: 1,737,430 km (0.116 R)
• M7: 2,196,546 km (0.068 R)
• M8: 2,649,977 km (0.113 R)
• M9: 2,989,414 km (0.1 R)
• M10: 3,368,794 km (0.082 R)
• M11: 3,662,605 km (0.062 R)
• M12: 4,010,420 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308

Radius: 8.2

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.92 AU - 5.62 AU

Year: 8068 Days

Day: 11.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,767,610 km

• M1: 102,026 km (0.042 R)
• M2: 458,517 km (0.06 R)
• M3: 798,404 km (0.107 R)
• M4: 1,231,639 km (0.05 R)
• M5: 2,352,875 km (0.119 R)
• M6: 2,659,401 km (0.081 R)
• M7: 3,169,530 km (0.115 R)
• M8: 3,879,821 km (0.111 R)
• M9: 4,692,137 km (0.115 R)
• M10: 5,152,749 km (0.119 R)
• M11: 5,554,270 km (0.117 R)
• M12: 7,126,543 km (0.103 R)
• M13: 9,430,650 km (0.107 R)
• M14: 12,090,650 km (0.097 R)
• M15: 13,060,941 km (0.067 R)
• M16: 14,527,599 km (0.116 R)
• M17: 15,861,114 km (0.066 R)
• M18: 17,720,616 km (0.114 R)
• M19: 18,569,883 km (0.115 R)
• M20: 20,847,062 km (0.058 R)
• M21: 22,843,894 km (0.119 R)
• M22: 24,883,960 km (0.048 R)
• M23: 25,948,199 km (0.061 R)
• M24: 26,957,237 km (0.087 R)
• M25: 27,471,555 km (0.061 R)
• M26: 28,964,093 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.7

Radius: 11.6

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.74 AU - 6.24 AU

Year: 8578 Days

Day: 6.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,767,610 km

• M1: 145,260 km (0.088 R)
• M2: 753,225 km (0.082 R)
• M3: 1,141,731 km (0.097 R)
• M4: 2,208,513 km (0.119 R)
• M5: 2,699,045 km (0.107 R)
• M6: 3,645,999 km (0.11 R)
• M7: 5,432,048 km (0.106 R)
• M8: 7,492,759 km (0.098 R)
• M9: 10,954,005 km (0.081 R)
• M10: 14,069,829 km (0.104 R)
• M11: 16,240,644 km (0.07 R)
• M12: 18,027,591 km (0.083 R)
• M13: 21,652,197 km (0.105 R)
• M14: 23,019,223 km (0.068 R)
• M15: 28,862,516 km (0.118 R)
• M16: 37,165,646 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.7

Radius: 6.2

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.84 AU - 7.6 AU

Year: 12937 Days

Day: 15.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,767,610 km

• M1: 79,137 km (0.118 R)
• M2: 316,399 km (0.059 R)
• M3: 574,905 km (0.052 R)
• M4: 2,434,257 km (0.033 R)
• M5: 3,447,034 km (0.095 R)
• M6: 4,418,672 km (0.12 R)
• M7: 4,939,123 km (0.119 R)
• M8: 8,251,370 km (0.119 R)
• M9: 12,062,824 km (0.072 R)
• M10: 20,968,236 km (0.112 R)
• M11: 21,194,428 km (0.083 R)
• M12: 21,728,642 km (0.117 R)
• M13: 36,090,337 km (0.05 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.4

Radius: 5.8

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.53 AU - 8.85 AU

Year: 14221 Days

Day: 19.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,767,610 km

• M1: 73,004 km (0.12 R)
• M2: 286,480 km (0.091 R)
• M3: 580,290 km (0.117 R)
• M4: 762,949 km (0.074 R)
• M5: 1,393,205 km (0.069 R)
• M6: 1,802,056 km (0.041 R)
• M7: 2,542,266 km (0.102 R)
• M8: 2,815,731 km (0.077 R)
• M9: 3,130,485 km (0.111 R)
• M10: 3,330,348 km (0.031 R)
• M11: 3,981,847 km (0.043 R)
• M12: 4,978,168 km (0.104 R)
• M13: 6,096,562 km (0.069 R)
• M14: 10,247,903 km (0.104 R)
• M15: 11,507,966 km (0.085 R)
• M16: 15,324,955 km (0.105 R)
• M17: 15,708,973 km (0.11 R)
• M18: 17,725,702 km (0.083 R)
• M19: 19,908,933 km (0.102 R)
• M20: 28,472,065 km (0.046 R)
• M21: 29,443,404 km (0.092 R)
• M22: 30,537,264 km (0.066 R)
• M23: 31,554,978 km (0.095 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 17,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit