🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.49 AU - 0.81 AU

Year: 183 Days

Day: 31.9 Hours

Environment

Temp: 203 °C

Axial Tilt: 137.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.66 AU - 0.68 AU

Year: 191 Days

Day: 29 Hours

Environment

Temp: 206 °C

Axial Tilt: 97.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.71 AU - 1.15 AU

Year: 312 Days

Day: 14.5 Hours

Environment

Temp: 147 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 44,419,745 km

• M1: 154,086 km (0.042 R)
• M2: 229,334 km (0.053 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.02 AU - 1.48 AU

Year: 487 Days

Day: 20.6 Hours

Environment

Temp: 30 °C

Axial Tilt: 171.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,419,745 km

• M1: 258,206 km (0.118 R)

Asteroid Belt

Center: 1.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.94 AU - 2.78 AU

Year: 1263 Days

Day: 24.7 Hours

Environment

Temp: -62 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.13 AU - 4.57 AU

Year: 2631 Days

Day: 35.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.4

Radius: 14.5

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.53 AU - 7.73 AU

Year: 6630 Days

Day: 7.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,419,745 km

• M1: 180,415 km (0.101 R)
• M2: 654,790 km (0.107 R)
• M3: 1,396,347 km (0.031 R)
• M4: 1,896,901 km (0.09 R)
• M5: 2,800,771 km (0.12 R)
• M6: 3,363,559 km (0.104 R)
• M7: 5,036,362 km (0.052 R)
• M8: 6,345,642 km (0.066 R)
• M9: 6,805,207 km (0.049 R)
• M10: 8,032,508 km (0.071 R)
• M11: 8,871,603 km (0.068 R)
• M12: 9,493,331 km (0.116 R)
• M13: 10,431,759 km (0.075 R)
• M14: 13,275,764 km (0.082 R)
• M15: 14,329,232 km (0.087 R)
• M16: 19,179,943 km (0.072 R)
• M17: 21,934,040 km (0.053 R)
• M18: 22,661,833 km (0.105 R)
• M19: 23,155,806 km (0.106 R)
• M20: 24,681,405 km (0.09 R)
• M21: 26,363,483 km (0.117 R)
• M22: 30,650,509 km (0.061 R)
• M23: 35,602,648 km (0.072 R)
• M24: 37,978,411 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.7

Radius: 12.3

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.47 AU - 8.27 AU

Year: 6968 Days

Day: 11.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,419,745 km

• M1: 153,039 km (0.07 R)
• M2: 972,386 km (0.038 R)
• M3: 2,854,178 km (0.052 R)
• M4: 3,274,697 km (0.072 R)
• M5: 3,775,551 km (0.118 R)
• M6: 6,913,516 km (0.044 R)
• M7: 7,304,565 km (0.118 R)
• M8: 8,670,693 km (0.073 R)
• M9: 9,671,802 km (0.095 R)
• M10: 12,599,432 km (0.108 R)
• M11: 13,647,515 km (0.117 R)
• M12: 14,410,314 km (0.06 R)
• M13: 16,441,704 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.9

Radius: 12.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.29 AU - 11.95 AU

Year: 10391 Days

Day: 6.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,419,745 km

• M1: 162,164 km (0.057 R)
• M2: 560,842 km (0.069 R)
• M3: 999,164 km (0.118 R)
• M4: 2,120,251 km (0.099 R)
• M5: 3,118,966 km (0.069 R)
• M6: 5,460,472 km (0.096 R)
• M7: 6,934,759 km (0.089 R)
• M8: 7,361,412 km (0.086 R)
• M9: 8,267,975 km (0.1 R)
• M10: 8,792,914 km (0.057 R)
• M11: 9,765,450 km (0.071 R)
• M12: 12,824,427 km (0.062 R)
• M13: 17,517,761 km (0.112 R)
• M14: 20,522,135 km (0.101 R)
• M15: 22,229,645 km (0.103 R)
• M16: 25,649,153 km (0.086 R)
• M17: 26,673,749 km (0.094 R)
• M18: 29,911,197 km (0.119 R)
• M19: 32,748,171 km (0.092 R)
• M20: 34,623,829 km (0.101 R)
• M21: 35,645,283 km (0.066 R)
• M22: 36,920,904 km (0.091 R)
• M23: 41,435,319 km (0.117 R)
• M24: 43,365,880 km (0.117 R)

Kuiper Belt

Range: 31.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 15,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit