🌌 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 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.53 AU - 0.67 AU

Year: 300 Days

Day: 20.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.9

Radius: 9.7

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.85 AU - 1.13 AU

Year: 636 Days

Day: 15 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,828,840 km

• M1: 120,576 km (0.094 R)
• M2: 448,046 km (0.096 R)
• M3: 756,816 km (0.068 R)
• M4: 1,068,727 km (0.086 R)
• M5: 1,405,771 km (0.112 R)
• M6: 1,725,163 km (0.114 R)
• M7: 2,302,012 km (0.112 R)
• M8: 2,695,754 km (0.104 R)
• M9: 3,038,183 km (0.069 R)
• M10: 4,396,382 km (0.109 R)
• M11: 5,210,344 km (0.108 R)
• M12: 6,198,887 km (0.051 R)
• M13: 6,656,058 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185

Radius: 14.7

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.71 AU - 2.75 AU

Year: 2150 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,828,840 km

• M1: 183,257 km (0.073 R)
• M2: 773,571 km (0.104 R)
• M3: 1,461,721 km (0.083 R)
• M4: 2,083,001 km (0.116 R)
• M5: 2,628,883 km (0.099 R)
• M6: 3,158,759 km (0.106 R)
• M7: 4,113,941 km (0.119 R)
• M8: 4,723,553 km (0.091 R)
• M9: 5,413,199 km (0.099 R)
• M10: 6,169,267 km (0.105 R)
• M11: 7,360,215 km (0.055 R)
• M12: 8,506,584 km (0.09 R)
• M13: 9,799,109 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.4

Radius: 6.2

Gravity: 14.94 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.98 AU - 8.62 AU

Year: 14066 Days

Day: 16.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 30,828,840 km

• M1: 77,342 km (0.114 R)
• M2: 296,353 km (0.12 R)
• M3: 558,150 km (0.093 R)
• M4: 973,134 km (0.109 R)
• M5: 1,281,455 km (0.054 R)
• M6: 1,684,921 km (0.116 R)
• M7: 2,113,519 km (0.072 R)
• M8: 2,424,233 km (0.117 R)
• M9: 2,787,607 km (0.088 R)
• M10: 3,017,838 km (0.109 R)
• M11: 3,516,597 km (0.104 R)
• M12: 4,305,427 km (0.093 R)
• M13: 4,645,612 km (0.052 R)
• M14: 6,188,565 km (0.059 R)
• M15: 11,421,797 km (0.107 R)
• M16: 11,656,068 km (0.054 R)
• M17: 12,876,038 km (0.033 R)
• M18: 13,845,283 km (0.095 R)
• M19: 14,517,875 km (0.113 R)
• M20: 14,723,871 km (0.083 R)
• M21: 15,710,918 km (0.067 R)
• M22: 16,816,745 km (0.12 R)
• M23: 19,764,571 km (0.096 R)
• M24: 21,671,196 km (0.093 R)
• M25: 24,464,338 km (0.104 R)
• M26: 26,250,537 km (0.068 R)
• M27: 42,919,928 km (0.105 R)
• M28: 43,344,487 km (0.085 R)
• M29: 45,071,146 km (0.081 R)
• M30: 48,202,229 km (0.089 R)
• M31: 50,998,961 km (0.102 R)

Asteroid Belt

Center: 8.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920

Radius: 6.2

Gravity: 23.93 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.47 AU - 10.17 AU

Year: 15495 Days

Day: 18.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 108.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 30,828,840 km

• M1: 78,389 km (0.089 R)
• M2: 340,485 km (0.094 R)
• M3: 617,989 km (0.063 R)
• M4: 1,092,064 km (0.034 R)
• M5: 1,363,884 km (0.12 R)
• M6: 1,784,553 km (0.115 R)
• M7: 1,987,109 km (0.116 R)
• M8: 3,631,339 km (0.09 R)
• M9: 4,604,473 km (0.112 R)
• M10: 5,024,244 km (0.118 R)
• M11: 5,243,555 km (0.104 R)
• M12: 5,980,474 km (0.094 R)
• M13: 6,480,281 km (0.087 R)
• M14: 7,189,524 km (0.082 R)
• M15: 8,247,630 km (0.037 R)
• M16: 9,241,708 km (0.068 R)
• M17: 9,460,719 km (0.091 R)
• M18: 9,739,420 km (0.085 R)
• M19: 10,668,273 km (0.077 R)
• M20: 11,278,034 km (0.092 R)
• M21: 13,950,600 km (0.104 R)
• M22: 16,291,956 km (0.105 R)
• M23: 17,681,122 km (0.092 R)
• M24: 22,026,641 km (0.086 R)
• M25: 28,165,090 km (0.058 R)
• M26: 30,159,529 km (0.067 R)
• M27: 33,646,506 km (0.062 R)
• M28: 37,393,035 km (0.101 R)
• M29: 38,230,484 km (0.116 R)
• M30: 42,304,632 km (0.095 R)
• M31: 43,213,888 km (0.042 R)
• M32: 46,658,977 km (0.037 R)
• M33: 47,629,419 km (0.1 R)
• M34: 48,613,324 km (0.101 R)
• M35: 53,736,303 km (0.07 R)
• M36: 56,063,747 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.7

Radius: 4.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.83 AU - 9.73 AU

Year: 18253 Days

Day: 19.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,828,840 km

• M1: 53,556 km (0.072 R)
• M2: 215,571 km (0.061 R)
• M3: 404,064 km (0.102 R)
• M4: 639,232 km (0.099 R)
• M5: 2,366,339 km (0.117 R)
• M6: 2,876,617 km (0.05 R)
• M7: 3,108,045 km (0.078 R)
• M8: 4,355,841 km (0.12 R)
• M9: 6,278,174 km (0.066 R)
• M10: 7,603,162 km (0.088 R)
• M11: 8,781,096 km (0.112 R)
• M12: 11,492,557 km (0.12 R)
• M13: 12,473,919 km (0.059 R)
• M14: 13,193,186 km (0.098 R)
• M15: 16,898,127 km (0.106 R)
• M16: 17,084,226 km (0.091 R)
• M17: 17,970,295 km (0.116 R)
• M18: 21,530,425 km (0.076 R)
• M19: 30,005,294 km (0.114 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 20,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit