🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.68 AU - 0.84 AU

Year: 240 Days

Day: 28.3 Hours

Environment

Temp: 178 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.77 AU - 1.15 AU

Year: 340 Days

Day: 30.5 Hours

Environment

Temp: 128 °C

Axial Tilt: 47.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.3 AU - 2 AU

Year: 767 Days

Day: 17.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 47.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,074,312 km

• M1: 97,538 km (0.081 R)

Asteroid Belt

Center: 2.94 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.2 AU - 4.26 AU

Year: 3146 Days

Day: 42.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.76 AU - 6.12 AU

Year: 3971 Days

Day: 18.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,074,312 km

• M1: 257,907 km (0.074 R)

Asteroid Belt

Center: 5.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.4

Radius: 14.5

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.65 AU - 6.91 AU

Year: 6385 Days

Day: 10.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,074,312 km

• M1: 180,415 km (0.081 R)
• M2: 829,221 km (0.099 R)
• M3: 1,325,587 km (0.071 R)
• M4: 1,795,324 km (0.059 R)
• M5: 2,830,392 km (0.042 R)
• M6: 3,515,999 km (0.114 R)
• M7: 5,646,422 km (0.043 R)
• M8: 6,774,240 km (0.066 R)
• M9: 7,811,552 km (0.071 R)
• M10: 8,328,113 km (0.094 R)
• M11: 9,924,772 km (0.091 R)
• M12: 11,412,822 km (0.111 R)
• M13: 12,880,676 km (0.095 R)
• M14: 13,660,380 km (0.105 R)
• M15: 14,119,945 km (0.12 R)
• M16: 16,189,332 km (0.078 R)
• M17: 17,699,522 km (0.105 R)
• M18: 19,954,411 km (0.103 R)
• M19: 20,696,865 km (0.115 R)
• M20: 22,474,238 km (0.073 R)
• M21: 24,773,258 km (0.075 R)
• M22: 26,865,085 km (0.082 R)
• M23: 33,429,140 km (0.083 R)
• M24: 34,689,053 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.4

Radius: 9.7

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.56 AU - 10 AU

Year: 11061 Days

Day: 12.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,074,312 km

• M1: 120,576 km (0.053 R)
• M2: 477,816 km (0.086 R)
• M3: 869,463 km (0.098 R)
• M4: 1,383,481 km (0.095 R)
• M5: 2,125,935 km (0.076 R)
• M6: 2,556,927 km (0.057 R)
• M7: 2,934,362 km (0.118 R)
• M8: 4,863,576 km (0.111 R)
• M9: 5,895,652 km (0.062 R)
• M10: 19,135,961 km (0.025 R)
• M11: 19,691,269 km (0.099 R)
• M12: 41,131,935 km (0.07 R)
• M13: 48,337,615 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.4

Radius: 3.7

Gravity: 63.8 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 10.17 AU - 16.83 AU

Year: 17939 Days

Day: 23.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 54,074,312 km

• M1: 46,076 km (0.065 R)
• M2: 162,613 km (0.114 R)
• M3: 304,880 km (0.118 R)
• M4: 736,171 km (0.086 R)
• M5: 991,385 km (0.104 R)
• M6: 1,332,618 km (0.104 R)
• M7: 2,221,977 km (0.111 R)
• M8: 2,559,021 km (0.11 R)
• M9: 3,390,785 km (0.1 R)
• M10: 3,624,008 km (0.088 R)
• M11: 4,287,475 km (0.116 R)
• M12: 5,140,632 km (0.082 R)
• M13: 6,271,891 km (0.1 R)
• M14: 6,402,190 km (0.065 R)
• M15: 7,657,765 km (0.117 R)
• M16: 8,903,916 km (0.115 R)
• M17: 9,689,903 km (0.107 R)
• M18: 11,921,903 km (0.11 R)
• M19: 12,392,388 km (0.082 R)
• M20: 13,731,738 km (0.108 R)
• M21: 13,878,045 km (0.092 R)
• M22: 14,025,399 km (0.119 R)
• M23: 15,637,017 km (0.114 R)
• M24: 16,446,042 km (0.12 R)
• M25: 18,500,918 km (0.109 R)
• M26: 20,055,839 km (0.077 R)
• M27: 21,204,451 km (0.054 R)
• M28: 23,736,844 km (0.066 R)
• M29: 27,033,083 km (0.055 R)
• M30: 29,513,566 km (0.088 R)
• M31: 30,125,720 km (0.1 R)
• M32: 31,502,320 km (0.102 R)
• M33: 34,380,134 km (0.098 R)
• M34: 42,022,042 km (0.115 R)
• M35: 46,646,561 km (0.11 R)
• M36: 48,995,696 km (0.09 R)
• M37: 51,775,673 km (0.101 R)
• M38: 53,746,775 km (0.104 R)
• M39: 67,684,958 km (0.109 R)
• M40: 72,005,644 km (0.102 R)
• M41: 74,008,610 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.4

Radius: 7.4

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 13.55 AU - 16.29 AU

Year: 20842 Days

Day: 17.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,074,312 km

• M1: 96,042 km (0.09 R)
• M2: 406,906 km (0.117 R)
• M3: 698,772 km (0.051 R)
• M4: 1,996,982 km (0.114 R)
• M5: 2,232,449 km (0.114 R)
• M6: 3,101,164 km (0.051 R)
• M7: 3,495,354 km (0.104 R)
• M8: 3,950,281 km (0.103 R)
• M9: 6,560,315 km (0.064 R)
• M10: 7,551,701 km (0.105 R)
• M11: 8,312,106 km (0.064 R)
• M12: 9,828,431 km (0.089 R)
• M13: 11,066,502 km (0.12 R)
• M14: 11,405,940 km (0.092 R)
• M15: 11,752,259 km (0.084 R)
• M16: 12,833,403 km (0.099 R)
• M17: 13,334,705 km (0.085 R)
• M18: 16,694,075 km (0.109 R)
• M19: 24,449,827 km (0.034 R)
• M20: 46,667,953 km (0.101 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 20,042 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit