🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.46 AU - 0.72 AU

Year: 163 Days

Day: 20.7 Hours

Environment

Temp: 185 °C

Axial Tilt: 32.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.81 AU - 0.91 AU

Year: 287 Days

Day: 18.6 Hours

Environment

Temp: 167 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.44 AU - 4.46 AU

Year: 3378 Days

Day: 41.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.6

Radius: 13.5

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.98 AU - 9.28 AU

Year: 8343 Days

Day: 14.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,644,622 km

• M1: 167,998 km (0.055 R)
• M2: 661,522 km (0.094 R)
• M3: 1,785,301 km (0.112 R)
• M4: 2,463,129 km (0.119 R)
• M5: 3,215,457 km (0.105 R)
• M6: 3,881,915 km (0.106 R)
• M7: 5,439,528 km (0.066 R)
• M8: 6,070,382 km (0.093 R)
• M9: 7,092,136 km (0.087 R)
• M10: 8,366,411 km (0.054 R)
• M11: 9,399,384 km (0.119 R)
• M12: 9,986,855 km (0.09 R)
• M13: 10,433,105 km (0.12 R)
• M14: 13,691,796 km (0.051 R)
• M15: 14,966,818 km (0.071 R)
• M16: 15,498,489 km (0.043 R)
• M17: 17,284,987 km (0.072 R)
• M18: 19,329,840 km (0.045 R)
• M19: 19,770,107 km (0.087 R)
• M20: 20,281,432 km (0.042 R)
• M21: 21,598,492 km (0.062 R)
• M22: 24,329,700 km (0.109 R)

Asteroid Belt

Center: 9.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.3

Radius: 12.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 10.05 AU - 11.35 AU

Year: 12596 Days

Day: 8.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,644,622 km

• M1: 165,306 km (0.038 R)
• M2: 1,205,460 km (0.073 R)
• M3: 3,093,834 km (0.068 R)
• M4: 4,061,881 km (0.103 R)
• M5: 6,552,985 km (0.106 R)
• M6: 7,043,517 km (0.046 R)
• M7: 10,302,656 km (0.069 R)
• M8: 14,524,008 km (0.093 R)
• M9: 15,218,891 km (0.089 R)
• M10: 21,601,185 km (0.089 R)
• M11: 27,107,134 km (0.113 R)
• M12: 28,267,864 km (0.026 R)
• M13: 30,575,411 km (0.079 R)
• M14: 34,942,323 km (0.045 R)
• M15: 35,438,090 km (0.086 R)
• M16: 40,384,095 km (0.102 R)
• M17: 49,100,864 km (0.096 R)
• M18: 53,075,679 km (0.085 R)
• M19: 57,604,156 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.4

Radius: 13.7

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 9.77 AU - 12.03 AU

Year: 12951 Days

Day: 6 Hours

Environment

Temp: -182 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,644,622 km

• M1: 170,392 km (0.032 R)
• M2: 644,468 km (0.071 R)
• M3: 1,268,590 km (0.058 R)
• M4: 3,254,352 km (0.08 R)
• M5: 3,963,596 km (0.118 R)
• M6: 5,881,739 km (0.048 R)
• M7: 6,599,809 km (0.069 R)
• M8: 7,739,745 km (0.066 R)
• M9: 9,109,912 km (0.088 R)
• M10: 11,220,738 km (0.105 R)
• M11: 12,012,709 km (0.108 R)
• M12: 15,117,463 km (0.109 R)
• M13: 20,100,120 km (0.029 R)
• M14: 21,544,637 km (0.109 R)
• M15: 22,197,930 km (0.088 R)
• M16: 30,051,519 km (0.039 R)
• M17: 35,816,423 km (0.059 R)
• M18: 55,516,967 km (0.072 R)
• M19: 58,171,880 km (0.079 R)
• M20: 59,439,273 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.9

Radius: 4.5

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 11.84 AU - 17.36 AU

Year: 20077 Days

Day: 17.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,644,622 km

• M1: 55,950 km (0.118 R)
• M2: 275,559 km (0.085 R)
• M3: 441,164 km (0.07 R)
• M4: 885,769 km (0.051 R)
• M5: 1,569,431 km (0.084 R)
• M6: 2,552,289 km (0.114 R)
• M7: 4,752,575 km (0.12 R)
• M8: 5,003,002 km (0.063 R)
• M9: 6,427,024 km (0.114 R)
• M10: 9,843,091 km (0.063 R)
• M11: 10,510,148 km (0.116 R)
• M12: 11,706,931 km (0.089 R)
• M13: 13,605,627 km (0.052 R)
• M14: 14,627,829 km (0.093 R)
• M15: 22,548,438 km (0.04 R)
• M16: 24,619,322 km (0.1 R)
• M17: 25,557,899 km (0.097 R)
• M18: 30,184,362 km (0.045 R)
• M19: 34,056,703 km (0.057 R)
• M20: 34,752,034 km (0.096 R)
• M21: 35,456,939 km (0.06 R)
• M22: 38,621,832 km (0.057 R)
• M23: 39,887,579 km (0.056 R)
• M24: 42,903,173 km (0.118 R)
• M25: 43,578,309 km (0.035 R)
• M26: 44,397,656 km (0.083 R)
• M27: 45,926,546 km (0.085 R)
• M28: 46,632,947 km (0.065 R)
• M29: 48,795,684 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.4

Radius: 5.2

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 12.21 AU - 18.43 AU

Year: 21580 Days

Day: 18.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,644,622 km

• M1: 64,776 km (0.067 R)
• M2: 288,275 km (0.12 R)
• M3: 690,544 km (0.11 R)
• M4: 1,211,743 km (0.089 R)
• M5: 1,747,154 km (0.066 R)
• M6: 2,156,902 km (0.034 R)
• M7: 3,088,149 km (0.071 R)
• M8: 4,894,842 km (0.066 R)
• M9: 6,181,982 km (0.067 R)
• M10: 7,966,835 km (0.112 R)
• M11: 8,162,359 km (0.094 R)
• M12: 13,114,348 km (0.097 R)
• M13: 13,944,167 km (0.115 R)
• M14: 14,516,379 km (0.115 R)
• M15: 14,735,091 km (0.081 R)
• M16: 14,955,898 km (0.076 R)
• M17: 17,368,313 km (0.095 R)
• M18: 17,946,957 km (0.055 R)
• M19: 19,405,387 km (0.072 R)
• M20: 24,252,208 km (0.072 R)
• M21: 31,522,067 km (0.108 R)
• M22: 34,536,015 km (0.069 R)
• M23: 35,581,854 km (0.044 R)
• M24: 36,112,627 km (0.106 R)
• M25: 44,873,826 km (0.118 R)
• M26: 50,991,033 km (0.087 R)
• M27: 51,835,064 km (0.105 R)
• M28: 58,740,950 km (0.105 R)
• M29: 59,668,457 km (0.08 R)

Kuiper Belt

Range: 30.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 19,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit