🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.69 AU - 0.87 AU

Year: 294 Days

Day: 43.7 Hours

Environment

Temp: -8 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.81 AU - 0.85 AU

Year: 323 Days

Day: 29.2 Hours

Environment

Temp: -23 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.68 AU - 2.22 AU

Year: 1164 Days

Day: 15.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2 AU - 3.18 AU

Year: 1782 Days

Day: 28.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.15 AU - 3.36 AU

Year: 1950 Days

Day: 39 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,667,460 km

• M1: 2,123,691 km (0.108 R)

Asteroid Belt

Center: 3.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.5

Radius: 11.3

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.34 AU - 5.44 AU

Year: 3932 Days

Day: 9.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,667,460 km

• M1: 147,204 km (0.056 R)
• M2: 558,299 km (0.075 R)
• M3: 1,036,414 km (0.078 R)
• M4: 1,444,218 km (0.112 R)
• M5: 2,382,795 km (0.11 R)
• M6: 3,996,657 km (0.063 R)
• M7: 4,725,198 km (0.105 R)
• M8: 6,242,869 km (0.087 R)
• M9: 7,085,853 km (0.061 R)
• M10: 8,901,073 km (0.092 R)
• M11: 9,324,884 km (0.105 R)
• M12: 13,513,176 km (0.112 R)
• M13: 14,337,909 km (0.096 R)
• M14: 14,875,863 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.8

Radius: 8.1

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.8 AU - 4.86 AU

Year: 4538 Days

Day: 8.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,667,460 km

• M1: 100,679 km (0.099 R)
• M2: 388,954 km (0.069 R)
• M3: 774,169 km (0.109 R)
• M4: 1,134,550 km (0.089 R)
• M5: 2,389,976 km (0.076 R)
• M6: 3,644,204 km (0.09 R)
• M7: 4,218,361 km (0.103 R)
• M8: 5,663,476 km (0.105 R)
• M9: 7,699,054 km (0.078 R)
• M10: 8,067,813 km (0.074 R)
• M11: 8,448,390 km (0.037 R)
• M12: 8,761,349 km (0.054 R)
• M13: 9,082,087 km (0.094 R)
• M14: 9,704,563 km (0.045 R)
• M15: 11,551,499 km (0.099 R)
• M16: 11,840,223 km (0.116 R)
• M17: 12,532,562 km (0.113 R)
• M18: 14,161,234 km (0.088 R)
• M19: 17,769,534 km (0.099 R)
• M20: 18,479,675 km (0.07 R)
• M21: 20,512,561 km (0.103 R)
• M22: 21,007,431 km (0.115 R)
• M23: 23,989,963 km (0.087 R)
• M24: 25,177,621 km (0.067 R)
• M25: 28,361,064 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.5

Radius: 11.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.2 AU - 6.74 AU

Year: 7035 Days

Day: 8.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,667,460 km

• M1: 145,559 km (0.117 R)
• M2: 559,197 km (0.051 R)
• M3: 1,088,624 km (0.069 R)
• M4: 1,464,862 km (0.109 R)
• M5: 2,182,932 km (0.118 R)
• M6: 2,908,482 km (0.065 R)
• M7: 4,046,473 km (0.094 R)
• M8: 4,677,177 km (0.119 R)
• M9: 5,142,876 km (0.115 R)
• M10: 6,008,898 km (0.094 R)
• M11: 6,460,534 km (0.075 R)
• M12: 8,262,141 km (0.111 R)
• M13: 10,286,499 km (0.069 R)
• M14: 10,840,311 km (0.081 R)
• M15: 11,560,624 km (0.078 R)
• M16: 13,858,298 km (0.083 R)
• M17: 15,529,755 km (0.107 R)
• M18: 16,445,294 km (0.086 R)
• M19: 17,139,278 km (0.037 R)
• M20: 19,338,666 km (0.082 R)
• M21: 19,899,060 km (0.091 R)
• M22: 20,687,291 km (0.073 R)
• M23: 22,942,629 km (0.075 R)
• M24: 26,884,981 km (0.077 R)
• M25: 30,876,103 km (0.115 R)
• M26: 32,127,040 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.9

Radius: 3.4

Gravity: 57.17 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.84 AU - 12.22 AU

Year: 13579 Days

Day: 22.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,667,460 km

• M1: 48,769 km (0.071 R)
• M2: 486,043 km (0.073 R)
• M3: 627,114 km (0.099 R)
• M4: 785,987 km (0.116 R)
• M5: 1,062,444 km (0.118 R)
• M6: 2,204,773 km (0.093 R)
• M7: 2,750,207 km (0.108 R)
• M8: 4,688,996 km (0.115 R)
• M9: 8,109,252 km (0.091 R)
• M10: 9,283,296 km (0.061 R)
• M11: 11,901,707 km (0.095 R)
• M12: 12,206,289 km (0.084 R)
• M13: 13,346,075 km (0.113 R)
• M14: 15,114,621 km (0.103 R)
• M15: 20,120,764 km (0.117 R)
• M16: 20,379,269 km (0.115 R)
• M17: 32,277,835 km (0.029 R)
• M18: 33,468,634 km (0.091 R)
• M19: 36,318,174 km (0.059 R)
• M20: 39,864,392 km (0.029 R)
• M21: 45,531,907 km (0.062 R)
• M22: 47,331,270 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.2

Radius: 6.2

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 15.86 AU - 16.8 AU

Year: 28210 Days

Day: 23 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,667,460 km

• M1: 82,129 km (0.045 R)
• M2: 373,546 km (0.079 R)
• M3: 879,187 km (0.119 R)
• M4: 1,219,073 km (0.051 R)
• M5: 1,768,696 km (0.099 R)
• M6: 2,204,624 km (0.081 R)
• M7: 2,759,183 km (0.087 R)
• M8: 4,762,149 km (0.09 R)
• M9: 5,973,742 km (0.111 R)
• M10: 11,075,628 km (0.1 R)
• M11: 11,859,371 km (0.025 R)
• M12: 13,032,069 km (0.085 R)
• M13: 16,175,270 km (0.077 R)
• M14: 16,927,149 km (0.113 R)
• M15: 22,442,972 km (0.062 R)
• M16: 24,992,568 km (0.084 R)
• M17: 30,912,006 km (0.096 R)
• M18: 32,854,834 km (0.065 R)
• M19: 33,923,561 km (0.119 R)
• M20: 40,827,353 km (0.074 R)
• M21: 41,751,120 km (0.082 R)
• M22: 54,500,748 km (0.049 R)
• M23: 56,755,188 km (0.09 R)
• M24: 57,520,232 km (0.088 R)
• M25: 61,248,360 km (0.07 R)
• M26: 72,492,585 km (0.101 R)
• M27: 73,846,147 km (0.104 R)
• M28: 74,301,074 km (0.079 R)
• M29: 76,371,209 km (0.111 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: 302 - 19,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit