🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.5 AU - 0.66 AU

Year: 281 Days

Day: 21.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.2

Radius: 10.3

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.12 AU - 1.14 AU

Year: 764 Days

Day: 11.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,871,523 km

• M1: 128,056 km (0.085 R)
• M2: 555,906 km (0.104 R)
• M3: 1,129,763 km (0.073 R)
• M4: 1,583,493 km (0.087 R)
• M5: 1,912,459 km (0.103 R)
• M6: 2,267,156 km (0.116 R)
• M7: 2,598,066 km (0.093 R)
• M8: 3,522,431 km (0.04 R)
• M9: 3,984,689 km (0.036 R)
• M10: 4,737,017 km (0.06 R)
• M11: 5,066,880 km (0.062 R)
• M12: 5,412,152 km (0.096 R)
• M13: 5,890,566 km (0.113 R)
• M14: 6,954,207 km (0.118 R)
• M15: 7,755,154 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.7

Radius: 12.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.37 AU - 1.67 AU

Year: 1192 Days

Day: 10.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,871,523 km

• M1: 151,842 km (0.093 R)
• M2: 589,864 km (0.065 R)
• M3: 1,224,608 km (0.103 R)
• M4: 1,709,455 km (0.062 R)
• M5: 2,588,941 km (0.072 R)
• M6: 3,215,157 km (0.12 R)
• M7: 4,359,731 km (0.079 R)
• M8: 4,959,169 km (0.102 R)
• M9: 5,716,883 km (0.057 R)
• M10: 6,972,607 km (0.094 R)
• M11: 8,513,764 km (0.079 R)
• M12: 9,570,973 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 14.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.73 AU - 2.05 AU

Year: 1652 Days

Day: 13.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,871,523 km

• M1: 182,210 km (0.12 R)
• M2: 654,042 km (0.089 R)
• M3: 1,494,632 km (0.056 R)
• M4: 2,225,418 km (0.05 R)
• M5: 3,186,734 km (0.091 R)
• M6: 3,660,361 km (0.065 R)
• M7: 4,613,150 km (0.036 R)
• M8: 6,540,419 km (0.114 R)
• M9: 8,823,432 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.9

Radius: 13.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.67 AU - 2.31 AU

Year: 1785 Days

Day: 13.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,871,523 km

• M1: 178,321 km (0.096 R)
• M2: 604,525 km (0.087 R)
• M3: 1,055,712 km (0.118 R)
• M4: 1,552,826 km (0.075 R)
• M5: 2,418,250 km (0.102 R)
• M6: 2,882,452 km (0.1 R)
• M7: 4,043,331 km (0.06 R)
• M8: 6,020,716 km (0.101 R)
• M9: 6,579,464 km (0.089 R)
• M10: 7,801,679 km (0.111 R)
• M11: 8,223,245 km (0.118 R)
• M12: 9,491,536 km (0.096 R)
• M13: 10,596,915 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.8

Radius: 13.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.14 AU - 2.26 AU

Year: 2075 Days

Day: 6.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,871,523 km

• M1: 172,636 km (0.096 R)
• M2: 1,140,385 km (0.068 R)
• M3: 1,742,366 km (0.119 R)
• M4: 3,472,466 km (0.099 R)
• M5: 4,603,126 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.1

Radius: 10.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.11 AU - 3.63 AU

Year: 3933 Days

Day: 8.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,871,523 km

• M1: 131,945 km (0.11 R)
• M2: 505,042 km (0.077 R)
• M3: 1,176,587 km (0.096 R)
• M4: 2,037,972 km (0.106 R)
• M5: 2,833,683 km (0.071 R)
• M6: 3,884,758 km (0.062 R)
• M7: 4,433,183 km (0.092 R)
• M8: 9,675,541 km (0.097 R)
• M9: 10,765,212 km (0.08 R)
• M10: 11,550,003 km (0.026 R)
• M11: 12,595,393 km (0.05 R)
• M12: 19,140,748 km (0.085 R)
• M13: 19,862,558 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.3

Radius: 5.5

Gravity: 20.21 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.07 AU - 8.13 AU

Year: 13322 Days

Day: 16.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,871,523 km

• M1: 68,516 km (0.111 R)
• M2: 399,277 km (0.113 R)
• M3: 646,562 km (0.115 R)
• M4: 1,015,620 km (0.101 R)
• M5: 1,429,408 km (0.098 R)
• M6: 1,896,901 km (0.081 R)
• M7: 2,895,018 km (0.111 R)
• M8: 3,507,472 km (0.086 R)
• M9: 3,802,927 km (0.111 R)
• M10: 4,085,667 km (0.084 R)
• M11: 4,757,362 km (0.109 R)
• M12: 6,714,252 km (0.097 R)
• M13: 9,815,864 km (0.058 R)
• M14: 14,834,424 km (0.055 R)
• M15: 15,042,365 km (0.057 R)
• M16: 16,702,004 km (0.116 R)
• M17: 18,882,692 km (0.116 R)
• M18: 22,407,218 km (0.087 R)
• M19: 25,149,347 km (0.096 R)
• M20: 28,319,326 km (0.084 R)
• M21: 30,165,962 km (0.058 R)
• M22: 34,824,589 km (0.107 R)
• M23: 37,196,314 km (0.075 R)
• M24: 39,407,819 km (0.067 R)
• M25: 41,020,634 km (0.1 R)
• M26: 44,233,996 km (0.073 R)
• M27: 47,912,608 km (0.102 R)
• M28: 48,978,044 km (0.083 R)
• M29: 50,840,986 km (0.079 R)
• M30: 51,156,039 km (0.082 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 13,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit