🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.51 AU - 0.81 AU

Year: 346 Days

Day: 20 Hours

Environment

Temp: -138 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.4

Radius: 8.3

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.72 AU - 0.96 AU

Year: 497 Days

Day: 7.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,630,403 km

• M1: 103,223 km (0.046 R)
• M2: 385,065 km (0.088 R)
• M3: 712,086 km (0.053 R)
• M4: 1,011,282 km (0.12 R)
• M5: 1,546,393 km (0.111 R)
• M6: 1,828,535 km (0.097 R)
• M7: 2,102,598 km (0.047 R)
• M8: 2,624,695 km (0.089 R)
• M9: 2,911,324 km (0.1 R)
• M10: 3,488,024 km (0.12 R)
• M11: 4,071,306 km (0.107 R)
• M12: 4,528,776 km (0.069 R)
• M13: 5,160,079 km (0.088 R)
• M14: 5,696,238 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.3

Radius: 8.6

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.99 AU - 1.17 AU

Year: 725 Days

Day: 5.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,630,403 km

• M1: 106,962 km (0.074 R)
• M2: 376,987 km (0.112 R)
• M3: 702,063 km (0.099 R)
• M4: 1,082,191 km (0.045 R)
• M5: 1,352,664 km (0.1 R)
• M6: 1,669,063 km (0.119 R)
• M7: 3,202,591 km (0.085 R)
• M8: 3,519,888 km (0.081 R)
• M9: 4,202,653 km (0.112 R)
• M10: 4,518,753 km (0.111 R)
• M11: 5,361,139 km (0.058 R)
• M12: 6,406,529 km (0.053 R)
• M13: 6,804,908 km (0.066 R)
• M14: 7,444,888 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.9

Radius: 12.9

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.18 AU - 1.94 AU

Year: 1258 Days

Day: 11.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,630,403 km

• M1: 160,369 km (0.091 R)
• M2: 615,894 km (0.057 R)
• M3: 1,490,743 km (0.094 R)
• M4: 1,998,179 km (0.098 R)
• M5: 2,518,929 km (0.053 R)
• M6: 2,957,550 km (0.077 R)
• M7: 3,804,124 km (0.06 R)
• M8: 4,535,508 km (0.069 R)
• M9: 5,026,339 km (0.08 R)
• M10: 5,444,465 km (0.104 R)
• M11: 6,765,713 km (0.112 R)
• M12: 7,172,620 km (0.119 R)
• M13: 7,704,290 km (0.108 R)
• M14: 8,377,032 km (0.107 R)
• M15: 9,027,633 km (0.071 R)
• M16: 9,490,489 km (0.116 R)
• M17: 9,904,426 km (0.03 R)
• M18: 10,531,092 km (0.073 R)
• M19: 11,325,008 km (0.095 R)
• M20: 12,382,365 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.2

Radius: 8.6

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.01 AU - 5.09 AU

Year: 7327 Days

Day: 6.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,630,403 km

• M1: 107,710 km (0.096 R)
• M2: 704,008 km (0.114 R)
• M3: 1,193,492 km (0.102 R)
• M4: 1,853,518 km (0.047 R)
• M5: 2,968,471 km (0.064 R)
• M6: 3,512,857 km (0.113 R)
• M7: 3,856,184 km (0.081 R)
• M8: 4,452,332 km (0.112 R)
• M9: 5,460,173 km (0.113 R)
• M10: 5,796,618 km (0.03 R)
• M11: 10,515,833 km (0.1 R)
• M12: 17,574,159 km (0.105 R)
• M13: 19,344,650 km (0.061 R)
• M14: 20,056,138 km (0.088 R)
• M15: 21,531,472 km (0.057 R)
• M16: 24,531,657 km (0.107 R)
• M17: 26,650,711 km (0.075 R)
• M18: 28,250,062 km (0.076 R)
• M19: 30,100,887 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.1

Radius: 7.2

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.98 AU - 8.72 AU

Year: 12866 Days

Day: 22.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 41,630,403 km

• M1: 90,058 km (0.119 R)
• M2: 407,205 km (0.07 R)
• M3: 715,527 km (0.062 R)
• M4: 982,110 km (0.089 R)
• M5: 1,245,103 km (0.087 R)
• M6: 1,623,436 km (0.078 R)
• M7: 1,948,063 km (0.104 R)
• M8: 2,351,080 km (0.112 R)
• M9: 2,611,081 km (0.055 R)
• M10: 3,604,112 km (0.064 R)
• M11: 4,320,387 km (0.057 R)
• M12: 4,683,610 km (0.077 R)
• M13: 5,535,420 km (0.054 R)
• M14: 5,964,318 km (0.037 R)
• M15: 6,379,601 km (0.074 R)
• M16: 7,000,881 km (0.102 R)
• M17: 8,069,608 km (0.106 R)
• M18: 10,776,283 km (0.081 R)
• M19: 11,236,446 km (0.057 R)
• M20: 13,093,703 km (0.116 R)
• M21: 14,522,064 km (0.096 R)
• M22: 15,337,671 km (0.108 R)
• M23: 18,181,377 km (0.092 R)
• M24: 18,760,321 km (0.094 R)
• M25: 21,921,623 km (0.099 R)
• M26: 23,330,686 km (0.099 R)
• M27: 25,153,236 km (0.106 R)
• M28: 25,691,041 km (0.08 R)
• M29: 29,473,324 km (0.074 R)
• M30: 32,016,787 km (0.073 R)
• M31: 33,073,995 km (0.062 R)
• M32: 34,154,091 km (0.106 R)
• M33: 37,187,936 km (0.12 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 17,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit