🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.8

Radius: 12

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.87 AU - 1.11 AU

Year: 646 Days

Day: 12.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,435,606 km

• M1: 149,299 km (0.107 R)
• M2: 656,286 km (0.099 R)
• M3: 1,125,874 km (0.102 R)
• M4: 1,587,533 km (0.088 R)
• M5: 2,113,369 km (0.11 R)
• M6: 2,949,920 km (0.092 R)
• M7: 3,726,483 km (0.11 R)
• M8: 4,149,247 km (0.049 R)
• M9: 5,027,536 km (0.094 R)
• M10: 5,667,366 km (0.057 R)
• M11: 6,043,904 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575

Radius: 12.8

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.5 AU - 1.54 AU

Year: 1229 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,435,606 km

• M1: 159,172 km (0.086 R)
• M2: 682,017 km (0.104 R)
• M3: 1,347,727 km (0.093 R)
• M4: 2,094,520 km (0.053 R)
• M5: 2,875,570 km (0.081 R)
• M6: 3,488,473 km (0.094 R)
• M7: 4,187,244 km (0.101 R)
• M8: 4,661,021 km (0.075 R)
• M9: 5,112,208 km (0.106 R)
• M10: 6,015,630 km (0.025 R)
• M11: 6,597,864 km (0.115 R)
• M12: 7,217,499 km (0.113 R)
• M13: 7,849,699 km (0.081 R)
• M14: 8,628,805 km (0.044 R)
• M15: 9,138,036 km (0.095 R)
• M16: 9,727,302 km (0.092 R)
• M17: 10,154,703 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952

Radius: 12.8

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.03 AU - 3.33 AU

Year: 3720 Days

Day: 13.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 23,435,606 km

• M1: 159,621 km (0.047 R)
• M2: 563,685 km (0.085 R)
• M3: 1,716,785 km (0.096 R)
• M4: 2,392,519 km (0.118 R)
• M5: 2,871,830 km (0.048 R)
• M6: 4,324,575 km (0.117 R)
• M7: 4,861,931 km (0.115 R)
• M8: 6,190,659 km (0.09 R)
• M9: 7,202,838 km (0.083 R)
• M10: 7,644,302 km (0.104 R)
• M11: 9,156,886 km (0.116 R)
• M12: 9,922,079 km (0.116 R)
• M13: 10,599,009 km (0.092 R)
• M14: 11,904,400 km (0.092 R)
• M15: 12,378,625 km (0.061 R)
• M16: 14,349,727 km (0.115 R)
• M17: 15,105,944 km (0.116 R)
• M18: 18,211,596 km (0.1 R)
• M19: 19,814,836 km (0.092 R)
• M20: 21,580,241 km (0.049 R)
• M21: 24,497,549 km (0.083 R)
• M22: 25,577,945 km (0.063 R)
• M23: 27,013,336 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.4

Radius: 14.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.78 AU - 4.9 AU

Year: 5931 Days

Day: 14.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,435,606 km

• M1: 180,415 km (0.112 R)
• M2: 640,428 km (0.091 R)
• M3: 1,133,952 km (0.116 R)
• M4: 1,879,847 km (0.091 R)
• M5: 2,407,628 km (0.079 R)
• M6: 3,073,638 km (0.097 R)
• M7: 3,591,695 km (0.114 R)
• M8: 4,241,399 km (0.089 R)
• M9: 6,024,905 km (0.065 R)
• M10: 7,190,721 km (0.108 R)
• M11: 7,846,408 km (0.034 R)
• M12: 10,415,752 km (0.092 R)
• M13: 10,971,358 km (0.107 R)
• M14: 11,991,466 km (0.102 R)
• M15: 14,052,775 km (0.051 R)
• M16: 15,021,721 km (0.117 R)
• M17: 17,412,444 km (0.052 R)
• M18: 18,463,220 km (0.096 R)
• M19: 20,118,071 km (0.096 R)
• M20: 24,200,148 km (0.066 R)
• M21: 25,259,750 km (0.099 R)
• M22: 26,863,589 km (0.089 R)
• M23: 32,472,611 km (0.118 R)
• M24: 33,461,005 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.6

Radius: 3.6

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.91 AU - 7.23 AU

Year: 11047 Days

Day: 19.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,435,606 km

• M1: 44,879 km (0.102 R)
• M2: 176,675 km (0.103 R)
• M3: 392,994 km (0.112 R)
• M4: 651,349 km (0.102 R)
• M5: 1,145,172 km (0.079 R)
• M6: 1,379,592 km (0.069 R)
• M7: 1,575,714 km (0.074 R)
• M8: 1,765,404 km (0.118 R)
• M9: 3,221,141 km (0.084 R)
• M10: 3,527,069 km (0.104 R)
• M11: 4,996,868 km (0.044 R)
• M12: 6,985,772 km (0.078 R)
• M13: 10,031,734 km (0.054 R)
• M14: 11,753,456 km (0.076 R)
• M15: 12,337,935 km (0.051 R)
• M16: 13,419,378 km (0.089 R)
• M17: 14,460,429 km (0.111 R)
• M18: 15,394,668 km (0.112 R)
• M19: 17,439,970 km (0.117 R)
• M20: 20,162,951 km (0.104 R)
• M21: 20,739,501 km (0.08 R)
• M22: 21,925,513 km (0.047 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 18,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit