🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.53 AU - 0.67 AU

Year: 209 Days

Day: 47 Hours

Environment

Temp: 15 °C

Axial Tilt: 36.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.77 AU - 0.85 AU

Year: 328 Days

Day: 31.7 Hours

Environment

Temp: -48 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.7 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.9

Radius: 12

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.12 AU - 3.06 AU

Year: 1874 Days

Day: 11.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,404,743 km

• M1: 149,299 km (0.061 R)
• M2: 557,402 km (0.109 R)
• M3: 1,174,642 km (0.057 R)
• M4: 1,651,112 km (0.091 R)
• M5: 2,067,592 km (0.115 R)
• M6: 2,747,066 km (0.11 R)
• M7: 3,586,310 km (0.081 R)
• M8: 4,349,408 km (0.117 R)
• M9: 5,574,914 km (0.078 R)
• M10: 6,647,980 km (0.111 R)
• M11: 7,298,282 km (0.098 R)
• M12: 7,772,956 km (0.036 R)
• M13: 8,184,200 km (0.062 R)
• M14: 8,697,022 km (0.035 R)
• M15: 9,444,562 km (0.025 R)
• M16: 11,274,892 km (0.117 R)
• M17: 11,696,010 km (0.046 R)
• M18: 12,495,312 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.4

Radius: 13.1

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.31 AU - 4.07 AU

Year: 3187 Days

Day: 8.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,404,743 km

• M1: 166,502 km (0.047 R)
• M2: 701,315 km (0.068 R)
• M3: 1,112,260 km (0.063 R)
• M4: 1,596,209 km (0.098 R)
• M5: 2,104,842 km (0.053 R)
• M6: 2,542,117 km (0.108 R)
• M7: 5,802,453 km (0.1 R)
• M8: 8,078,285 km (0.059 R)
• M9: 9,165,413 km (0.083 R)
• M10: 11,218,195 km (0.03 R)
• M11: 12,008,520 km (0.065 R)
• M12: 14,123,535 km (0.064 R)
• M13: 15,094,874 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.1

Radius: 10.2

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.35 AU - 7.61 AU

Year: 8291 Days

Day: 10.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,404,743 km

• M1: 126,859 km (0.103 R)
• M2: 802,293 km (0.112 R)
• M3: 1,214,585 km (0.036 R)
• M4: 1,737,729 km (0.115 R)
• M5: 2,482,128 km (0.109 R)
• M6: 5,398,688 km (0.097 R)
• M7: 7,088,396 km (0.104 R)
• M8: 7,489,169 km (0.043 R)
• M9: 9,579,649 km (0.057 R)
• M10: 9,921,181 km (0.059 R)
• M11: 11,154,915 km (0.063 R)
• M12: 14,618,405 km (0.111 R)
• M13: 16,980,555 km (0.066 R)
• M14: 20,377,324 km (0.073 R)
• M15: 26,617,351 km (0.12 R)
• M16: 28,081,465 km (0.114 R)
• M17: 29,086,912 km (0.071 R)
• M18: 30,957,035 km (0.107 R)
• M19: 34,705,808 km (0.08 R)
• M20: 37,286,372 km (0.098 R)
• M21: 45,792,058 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.7

Radius: 15

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.33 AU - 8.95 AU

Year: 9494 Days

Day: 14.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,404,743 km

• M1: 189,690 km (0.067 R)
• M2: 726,298 km (0.083 R)
• M3: 1,422,526 km (0.109 R)
• M4: 2,279,124 km (0.098 R)
• M5: 3,027,562 km (0.069 R)
• M6: 3,868,900 km (0.095 R)
• M7: 4,357,786 km (0.111 R)
• M8: 5,518,366 km (0.116 R)
• M9: 6,049,289 km (0.119 R)
• M10: 7,077,924 km (0.1 R)
• M11: 10,030,836 km (0.061 R)
• M12: 11,424,640 km (0.045 R)
• M13: 12,439,811 km (0.111 R)
• M14: 15,326,900 km (0.046 R)
• M15: 16,926,700 km (0.089 R)
• M16: 23,905,441 km (0.107 R)
• M17: 24,924,202 km (0.106 R)
• M18: 27,981,983 km (0.063 R)
• M19: 30,184,662 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.5

Radius: 11.8

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.5 AU - 8.94 AU

Year: 10596 Days

Day: 11 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,404,743 km

• M1: 147,055 km (0.061 R)
• M2: 674,686 km (0.034 R)
• M3: 1,920,238 km (0.088 R)
• M4: 2,452,657 km (0.047 R)
• M5: 3,082,315 km (0.044 R)
• M6: 5,499,068 km (0.114 R)
• M7: 6,391,419 km (0.111 R)
• M8: 8,599,933 km (0.055 R)
• M9: 9,503,205 km (0.101 R)
• M10: 10,312,080 km (0.116 R)
• M11: 10,786,754 km (0.05 R)
• M12: 13,821,796 km (0.118 R)
• M13: 15,741,286 km (0.066 R)
• M14: 17,311,466 km (0.093 R)
• M15: 21,519,355 km (0.053 R)
• M16: 23,270,398 km (0.069 R)
• M17: 24,273,003 km (0.098 R)
• M18: 30,362,384 km (0.089 R)
• M19: 33,355,987 km (0.09 R)
• M20: 35,338,757 km (0.108 R)
• M21: 39,027,392 km (0.089 R)
• M22: 42,559,846 km (0.089 R)
• M23: 45,732,667 km (0.066 R)
• M24: 49,804,123 km (0.097 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 16,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit