🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.52 AU - 0.82 AU

Year: 200 Days

Day: 23.2 Hours

Environment

Temp: 180 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.44 AU - 1.74 AU

Year: 732 Days

Day: 28.8 Hours

Environment

Temp: -36 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.89 AU - 3.05 AU

Year: 1869 Days

Day: 39.3 Hours

Environment

Temp: -106 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.8 AU - 4.3 AU

Year: 2443 Days

Day: 47.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,386,064 km

• M1: 23,786 km (0.09 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.41 AU - 4.23 AU

Year: 2727 Days

Day: 41.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.5

Radius: 12.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.75 AU - 7.33 AU

Year: 6823 Days

Day: 14.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,386,064 km

• M1: 160,668 km (0.07 R)
• M2: 1,265,448 km (0.077 R)
• M3: 1,706,164 km (0.115 R)
• M4: 2,600,460 km (0.038 R)
• M5: 3,433,570 km (0.116 R)
• M6: 4,311,560 km (0.075 R)
• M7: 6,186,171 km (0.064 R)
• M8: 7,021,974 km (0.112 R)
• M9: 8,755,215 km (0.102 R)
• M10: 10,526,903 km (0.117 R)
• M11: 11,183,338 km (0.074 R)
• M12: 13,643,775 km (0.118 R)
• M13: 14,653,111 km (0.09 R)
• M14: 15,651,677 km (0.026 R)
• M15: 17,653,596 km (0.12 R)
• M16: 19,680,497 km (0.059 R)
• M17: 27,293,982 km (0.114 R)
• M18: 29,626,213 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.2

Radius: 12.2

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.21 AU - 10.03 AU

Year: 10060 Days

Day: 13.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,386,064 km

• M1: 151,692 km (0.118 R)
• M2: 821,292 km (0.11 R)
• M3: 1,492,089 km (0.119 R)
• M4: 2,041,413 km (0.038 R)
• M5: 3,175,065 km (0.039 R)
• M6: 4,719,813 km (0.097 R)
• M7: 5,507,745 km (0.096 R)
• M8: 6,492,099 km (0.111 R)
• M9: 8,808,323 km (0.081 R)
• M10: 9,609,120 km (0.068 R)
• M11: 10,052,379 km (0.111 R)
• M12: 11,963,791 km (0.118 R)
• M13: 12,419,466 km (0.061 R)
• M14: 14,874,516 km (0.108 R)
• M15: 15,335,278 km (0.096 R)
• M16: 15,873,531 km (0.053 R)
• M17: 16,285,374 km (0.111 R)
• M18: 18,303,000 km (0.12 R)
• M19: 21,135,187 km (0.118 R)
• M20: 22,055,812 km (0.054 R)
• M21: 24,886,503 km (0.095 R)
• M22: 25,913,044 km (0.091 R)
• M23: 26,580,998 km (0.103 R)
• M24: 29,060,284 km (0.065 R)
• M25: 33,678,969 km (0.046 R)
• M26: 35,166,271 km (0.1 R)
• M27: 40,653,371 km (0.085 R)
• M28: 44,749,061 km (0.086 R)
• M29: 45,987,881 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.9

Radius: 3.7

Gravity: 27.02 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 14.68 AU - 16.56 AU

Year: 22548 Days

Day: 17.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,386,064 km

• M1: 331,210 km (0.076 R)
• M2: 2,456,397 km (0.115 R)
• M3: 4,086,116 km (0.078 R)
• M4: 7,697,858 km (0.059 R)
• M5: 8,034,004 km (0.104 R)
• M6: 8,735,468 km (0.045 R)
• M7: 9,807,038 km (0.05 R)
• M8: 21,415,982 km (0.112 R)
• M9: 22,175,640 km (0.082 R)
• M10: 24,357,376 km (0.111 R)
• M11: 30,786,045 km (0.06 R)
• M12: 31,997,788 km (0.025 R)
• M13: 32,989,771 km (0.112 R)
• M14: 36,488,865 km (0.115 R)
• M15: 44,365,642 km (0.03 R)
• M16: 47,170,453 km (0.117 R)
• M17: 49,104,753 km (0.12 R)
• M18: 50,423,159 km (0.088 R)
• M19: 58,832,504 km (0.053 R)
• M20: 59,387,064 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.5

Radius: 4.5

Gravity: 13.36 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 14.94 AU - 21.94 AU

Year: 28922 Days

Day: 19.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,386,064 km

• M1: 55,950 km (0.093 R)
• M2: 342,729 km (0.09 R)
• M3: 618,138 km (0.087 R)
• M4: 1,777,671 km (0.07 R)
• M5: 2,934,362 km (0.108 R)
• M6: 6,863,999 km (0.048 R)
• M7: 9,133,698 km (0.034 R)
• M8: 9,912,953 km (0.111 R)
• M9: 12,582,677 km (0.089 R)
• M10: 21,605,672 km (0.077 R)
• M11: 26,238,569 km (0.051 R)
• M12: 31,990,308 km (0.082 R)
• M13: 49,498,644 km (0.098 R)
• M14: 51,537,364 km (0.097 R)
• M15: 62,770,668 km (0.11 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 16,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit