🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.62 AU - 0.8 AU

Year: 220 Days

Day: 17.5 Hours

Environment

Temp: 113 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.89 AU - 1.19 AU

Year: 389 Days

Day: 22.4 Hours

Environment

Temp: 31 °C

Axial Tilt: 11.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.78 AU - 2.08 AU

Year: 984 Days

Day: 39.8 Hours

Environment

Temp: -59 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,716,819 km

• M1: 902,075 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.29 AU - 3.61 AU

Year: 2352 Days

Day: 26.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.7

Radius: 8.4

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.43 AU - 8.05 AU

Year: 6423 Days

Day: 14.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,716,819 km

• M1: 104,419 km (0.061 R)
• M2: 394,190 km (0.086 R)
• M3: 667,207 km (0.025 R)
• M4: 1,339,649 km (0.092 R)
• M5: 1,844,691 km (0.098 R)
• M6: 2,142,092 km (0.097 R)
• M7: 2,622,899 km (0.029 R)
• M8: 3,038,782 km (0.106 R)
• M9: 3,582,719 km (0.059 R)
• M10: 5,158,583 km (0.048 R)
• M11: 5,465,109 km (0.085 R)
• M12: 6,238,381 km (0.087 R)
• M13: 9,732,389 km (0.094 R)
• M14: 10,332,127 km (0.066 R)
• M15: 14,680,787 km (0.108 R)
• M16: 15,412,321 km (0.096 R)
• M17: 15,932,772 km (0.103 R)
• M18: 19,040,518 km (0.103 R)
• M19: 19,978,197 km (0.025 R)
• M20: 25,054,053 km (0.114 R)
• M21: 26,179,478 km (0.09 R)
• M22: 29,668,848 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.4

Radius: 14

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.23 AU - 9.55 AU

Year: 8136 Days

Day: 5.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,716,819 km

• M1: 174,132 km (0.094 R)
• M2: 646,263 km (0.088 R)
• M3: 1,270,684 km (0.104 R)
• M4: 1,767,648 km (0.077 R)
• M5: 2,221,229 km (0.104 R)
• M6: 3,192,119 km (0.048 R)
• M7: 4,485,094 km (0.089 R)
• M8: 6,312,133 km (0.119 R)
• M9: 7,083,160 km (0.113 R)
• M10: 9,635,898 km (0.118 R)
• M11: 13,505,097 km (0.11 R)
• M12: 14,288,990 km (0.096 R)
• M13: 19,192,509 km (0.069 R)
• M14: 20,183,894 km (0.105 R)
• M15: 22,518,369 km (0.096 R)
• M16: 23,535,186 km (0.068 R)
• M17: 24,759,944 km (0.071 R)
• M18: 25,297,598 km (0.098 R)
• M19: 26,489,445 km (0.068 R)
• M20: 28,787,567 km (0.093 R)
• M21: 31,528,499 km (0.107 R)
• M22: 32,160,550 km (0.094 R)
• M23: 33,668,048 km (0.094 R)
• M24: 37,290,112 km (0.099 R)
• M25: 42,300,593 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.6

Radius: 14.2

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 10.39 AU - 12.09 AU

Year: 13833 Days

Day: 5.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,716,819 km

• M1: 176,675 km (0.12 R)
• M2: 767,587 km (0.109 R)
• M3: 1,875,060 km (0.041 R)
• M4: 3,427,287 km (0.094 R)
• M5: 5,891,314 km (0.105 R)
• M6: 7,449,076 km (0.037 R)
• M7: 8,435,674 km (0.119 R)
• M8: 8,984,100 km (0.07 R)
• M9: 9,752,285 km (0.108 R)
• M10: 11,310,796 km (0.084 R)
• M11: 13,029,675 km (0.057 R)
• M12: 13,826,434 km (0.095 R)
• M13: 15,115,369 km (0.062 R)
• M14: 16,624,063 km (0.078 R)
• M15: 17,782,998 km (0.119 R)
• M16: 19,463,581 km (0.113 R)
• M17: 23,138,901 km (0.11 R)
• M18: 24,582,969 km (0.102 R)
• M19: 27,451,508 km (0.059 R)
• M20: 28,659,062 km (0.097 R)
• M21: 31,723,425 km (0.116 R)
• M22: 33,504,538 km (0.099 R)
• M23: 34,535,117 km (0.113 R)
• M24: 37,509,273 km (0.109 R)
• M25: 42,749,985 km (0.114 R)
• M26: 43,555,719 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.3

Radius: 6.2

Gravity: 14.97 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 15.23 AU - 16.91 AU

Year: 23648 Days

Day: 15 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,716,819 km

• M1: 83,476 km (0.116 R)
• M2: 292,464 km (0.11 R)
• M3: 584,928 km (0.037 R)
• M4: 874,100 km (0.102 R)
• M5: 1,242,111 km (0.108 R)
• M6: 1,519,466 km (0.072 R)
• M7: 1,781,561 km (0.074 R)
• M8: 2,559,919 km (0.08 R)
• M9: 2,855,524 km (0.079 R)
• M10: 3,065,111 km (0.098 R)
• M11: 3,725,885 km (0.048 R)
• M12: 5,404,522 km (0.106 R)
• M13: 5,934,099 km (0.057 R)
• M14: 6,908,430 km (0.042 R)
• M15: 7,581,470 km (0.115 R)
• M16: 8,192,428 km (0.106 R)
• M17: 8,456,468 km (0.058 R)
• M18: 14,464,618 km (0.049 R)
• M19: 14,695,448 km (0.057 R)
• M20: 15,968,226 km (0.118 R)
• M21: 17,747,992 km (0.098 R)
• M22: 18,190,503 km (0.099 R)
• M23: 18,459,480 km (0.08 R)
• M24: 19,097,515 km (0.108 R)
• M25: 20,903,310 km (0.045 R)
• M26: 26,421,976 km (0.059 R)
• M27: 28,779,788 km (0.107 R)
• M28: 31,018,670 km (0.096 R)
• M29: 35,142,036 km (0.073 R)
• M30: 37,406,648 km (0.072 R)
• M31: 37,841,829 km (0.055 R)
• M32: 38,722,362 km (0.099 R)
• M33: 43,810,634 km (0.071 R)
• M34: 45,601,021 km (0.062 R)
• M35: 47,949,409 km (0.117 R)
• M36: 50,377,233 km (0.072 R)
• M37: 58,734,518 km (0.063 R)
• M38: 61,915,268 km (0.114 R)
• M39: 64,167,463 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.1

Radius: 6.2

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 16.99 AU - 19.31 AU

Year: 28385 Days

Day: 18.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 157.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,716,819 km

• M1: 82,279 km (0.079 R)
• M2: 432,487 km (0.079 R)
• M3: 1,986,061 km (0.117 R)
• M4: 2,452,059 km (0.082 R)
• M5: 2,875,271 km (0.115 R)
• M6: 3,199,599 km (0.085 R)
• M7: 3,839,429 km (0.069 R)
• M8: 4,233,171 km (0.101 R)
• M9: 5,718,528 km (0.112 R)
• M10: 6,045,400 km (0.119 R)
• M11: 9,571,272 km (0.064 R)
• M12: 31,500,225 km (0.098 R)
• M13: 51,774,925 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 19,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit