🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.44 AU - 3.68 AU

Year: 2061 Days

Day: 23.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,957,336 km

• M1: 822,339 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.5

Radius: 8.9

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.63 AU - 6.01 AU

Year: 4724 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,957,336 km

• M1: 121,174 km (0.027 R)
• M2: 405,709 km (0.056 R)
• M3: 702,811 km (0.063 R)
• M4: 1,142,928 km (0.087 R)
• M5: 1,454,839 km (0.106 R)
• M6: 1,772,884 km (0.111 R)
• M7: 2,210,458 km (0.083 R)
• M8: 2,787,607 km (0.096 R)
• M9: 3,881,167 km (0.085 R)
• M10: 4,622,425 km (0.048 R)
• M11: 5,238,020 km (0.045 R)
• M12: 5,621,738 km (0.112 R)
• M13: 7,415,417 km (0.052 R)
• M14: 7,899,815 km (0.099 R)
• M15: 8,628,506 km (0.106 R)
• M16: 9,641,882 km (0.062 R)
• M17: 12,519,846 km (0.117 R)
• M18: 13,458,722 km (0.094 R)
• M19: 16,673,879 km (0.06 R)
• M20: 18,055,117 km (0.069 R)
• M21: 23,016,081 km (0.118 R)
• M22: 24,802,130 km (0.12 R)
• M23: 25,728,889 km (0.058 R)
• M24: 26,359,444 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.1

Radius: 10.5

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.93 AU - 8.99 AU

Year: 7845 Days

Day: 6.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,957,336 km

• M1: 138,378 km (0.103 R)
• M2: 563,236 km (0.09 R)
• M3: 1,038,359 km (0.076 R)
• M4: 1,393,504 km (0.089 R)
• M5: 2,557,076 km (0.098 R)
• M6: 3,592,443 km (0.078 R)
• M7: 3,934,574 km (0.096 R)
• M8: 4,340,283 km (0.044 R)
• M9: 5,308,331 km (0.07 R)
• M10: 6,497,036 km (0.086 R)
• M11: 9,716,681 km (0.112 R)
• M12: 10,769,700 km (0.106 R)
• M13: 11,163,741 km (0.032 R)
• M14: 11,980,695 km (0.088 R)
• M15: 12,575,945 km (0.104 R)
• M16: 14,291,234 km (0.086 R)
• M17: 18,236,130 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.1

Radius: 14.2

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.49 AU - 10.77 AU

Year: 9761 Days

Day: 12.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,957,336 km

• M1: 179,218 km (0.087 R)
• M2: 736,770 km (0.112 R)
• M3: 2,061,459 km (0.111 R)
• M4: 3,258,391 km (0.117 R)
• M5: 3,708,681 km (0.067 R)
• M6: 6,451,109 km (0.108 R)
• M7: 7,381,907 km (0.118 R)
• M8: 8,974,526 km (0.095 R)
• M9: 9,835,761 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.9

Radius: 7.1

Gravity: 17.18 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.87 AU - 14.13 AU

Year: 15015 Days

Day: 24.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 67,957,336 km

• M1: 88,712 km (0.065 R)
• M2: 317,297 km (0.12 R)
• M3: 553,811 km (0.03 R)
• M4: 801,097 km (0.09 R)
• M5: 1,062,145 km (0.064 R)
• M6: 1,546,393 km (0.059 R)
• M7: 2,149,572 km (0.098 R)
• M8: 4,765,889 km (0.115 R)
• M9: 5,080,792 km (0.062 R)
• M10: 5,446,858 km (0.057 R)
• M11: 7,688,283 km (0.114 R)
• M12: 9,038,404 km (0.085 R)
• M13: 10,481,126 km (0.114 R)
• M14: 10,775,235 km (0.082 R)
• M15: 12,789,870 km (0.086 R)
• M16: 13,126,016 km (0.116 R)
• M17: 15,952,369 km (0.112 R)
• M18: 16,185,293 km (0.118 R)
• M19: 16,499,299 km (0.097 R)
• M20: 18,131,112 km (0.077 R)
• M21: 18,726,811 km (0.087 R)
• M22: 19,160,196 km (0.078 R)
• M23: 20,227,876 km (0.11 R)
• M24: 23,567,499 km (0.053 R)
• M25: 29,065,520 km (0.096 R)
• M26: 33,932,986 km (0.101 R)
• M27: 34,577,304 km (0.12 R)
• M28: 36,828,752 km (0.095 R)
• M29: 39,317,312 km (0.085 R)
• M30: 42,806,683 km (0.108 R)
• M31: 44,472,754 km (0.073 R)
• M32: 46,655,238 km (0.054 R)
• M33: 49,071,692 km (0.048 R)
• M34: 49,729,923 km (0.107 R)
• M35: 51,232,484 km (0.052 R)
• M36: 52,593,226 km (0.102 R)
• M37: 55,921,180 km (0.054 R)
• M38: 56,459,284 km (0.105 R)
• M39: 56,819,814 km (0.097 R)
• M40: 60,134,454 km (0.111 R)
• M41: 67,957,376 km (0.078 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 15,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit