🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.28 AU - 1.73 AU

Year: 652 Days

Day: 37.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.54 AU - 1.56 AU

Year: 685 Days

Day: 19.7 Hours

Environment

Temp: -36 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.37 AU - 1.95 AU

Year: 759 Days

Day: 44.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.05 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.45 AU - 5.43 AU

Year: 3319 Days

Day: 23.4 Hours

Environment

Temp: -114 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.9

Radius: 12.3

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.51 AU - 6.85 AU

Year: 5450 Days

Day: 8.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,072,861 km

• M1: 153,039 km (0.089 R)
• M2: 585,526 km (0.11 R)
• M3: 1,142,479 km (0.098 R)
• M4: 1,652,907 km (0.102 R)
• M5: 2,594,625 km (0.09 R)
• M6: 4,691,988 km (0.101 R)
• M7: 5,444,615 km (0.081 R)
• M8: 5,874,858 km (0.104 R)
• M9: 7,275,393 km (0.043 R)
• M10: 8,694,030 km (0.087 R)
• M11: 10,004,956 km (0.115 R)
• M12: 11,755,251 km (0.107 R)
• M13: 14,230,797 km (0.083 R)
• M14: 15,097,118 km (0.118 R)
• M15: 16,095,235 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.5

Radius: 9.2

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.25 AU - 7.23 AU

Year: 5530 Days

Day: 14.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,072,861 km

• M1: 114,442 km (0.055 R)
• M2: 411,394 km (0.116 R)
• M3: 755,918 km (0.111 R)
• M4: 1,054,515 km (0.11 R)
• M5: 1,722,769 km (0.112 R)
• M6: 2,760,679 km (0.086 R)
• M7: 3,602,766 km (0.101 R)
• M8: 4,270,122 km (0.096 R)
• M9: 5,275,569 km (0.079 R)
• M10: 8,651,993 km (0.111 R)
• M11: 8,982,455 km (0.077 R)
• M12: 11,097,469 km (0.116 R)
• M13: 13,196,477 km (0.084 R)
• M14: 14,715,195 km (0.072 R)
• M15: 15,913,174 km (0.081 R)
• M16: 27,308,493 km (0.025 R)
• M17: 29,297,546 km (0.102 R)
• M18: 34,482,459 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.7

Radius: 13.1

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.7 AU - 8.68 AU

Year: 7565 Days

Day: 9.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,072,861 km

• M1: 162,912 km (0.092 R)
• M2: 687,103 km (0.101 R)
• M3: 1,261,260 km (0.072 R)
• M4: 1,977,385 km (0.079 R)
• M5: 3,311,498 km (0.097 R)
• M6: 3,944,148 km (0.113 R)
• M7: 5,177,732 km (0.104 R)
• M8: 6,032,983 km (0.103 R)
• M9: 6,512,444 km (0.096 R)
• M10: 7,317,430 km (0.097 R)
• M11: 8,270,069 km (0.104 R)
• M12: 8,906,608 km (0.118 R)
• M13: 9,393,849 km (0.108 R)
• M14: 9,945,715 km (0.076 R)
• M15: 11,266,964 km (0.085 R)
• M16: 13,093,254 km (0.082 R)
• M17: 14,315,619 km (0.108 R)
• M18: 14,985,668 km (0.108 R)
• M19: 15,932,772 km (0.103 R)
• M20: 17,257,311 km (0.074 R)
• M21: 17,946,509 km (0.07 R)
• M22: 19,306,652 km (0.041 R)
• M23: 19,824,560 km (0.084 R)
• M24: 25,175,676 km (0.091 R)
• M25: 28,370,937 km (0.074 R)
• M26: 35,224,913 km (0.104 R)
• M27: 36,110,682 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.7

Radius: 9.9

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 10.55 AU - 11.75 AU

Year: 13208 Days

Day: 14.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,072,861 km

• M1: 123,119 km (0.116 R)
• M2: 509,082 km (0.084 R)
• M3: 819,348 km (0.068 R)
• M4: 1,250,040 km (0.076 R)
• M5: 4,147,601 km (0.108 R)
• M6: 4,455,473 km (0.059 R)
• M7: 5,843,891 km (0.082 R)
• M8: 6,846,646 km (0.048 R)
• M9: 7,960,103 km (0.113 R)
• M10: 9,986,705 km (0.091 R)
• M11: 10,713,601 km (0.119 R)
• M12: 14,959,039 km (0.117 R)
• M13: 21,099,882 km (0.096 R)
• M14: 24,922,556 km (0.032 R)
• M15: 25,738,912 km (0.111 R)
• M16: 42,918,432 km (0.087 R)
• M17: 43,355,557 km (0.084 R)
• M18: 43,795,824 km (0.028 R)
• M19: 47,115,101 km (0.06 R)
• M20: 50,760,801 km (0.118 R)
• M21: 51,577,606 km (0.051 R)
• M22: 54,420,115 km (0.074 R)
• M23: 56,488,306 km (0.104 R)

Kuiper Belt

Range: 30.9 - 46.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 18,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit