🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.94 AU - 1.3 AU

Year: 444 Days

Day: 32.4 Hours

Environment

Temp: 13 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.89 AU - 2.19 AU

Year: 1092 Days

Day: 36.1 Hours

Environment

Temp: -86 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.64 AU - 2.66 AU

Year: 1181 Days

Day: 20.1 Hours

Environment

Temp: -73 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.94 AU - 4.32 AU

Year: 2592 Days

Day: 21.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.72 AU - 4.04 AU

Year: 2864 Days

Day: 29.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,297,405 km

• M1: 1,882,689 km (0.104 R)

Asteroid Belt

Center: 4.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.4

Radius: 11.4

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.38 AU - 6.1 AU

Year: 5153 Days

Day: 8.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 98,297,405 km

• M1: 141,819 km (0.084 R)
• M2: 536,757 km (0.105 R)
• M3: 993,180 km (0.067 R)
• M4: 1,780,813 km (0.11 R)
• M5: 2,247,858 km (0.071 R)
• M6: 2,763,372 km (0.118 R)
• M7: 3,470,222 km (0.101 R)
• M8: 6,212,351 km (0.092 R)
• M9: 6,709,913 km (0.099 R)
• M10: 8,225,190 km (0.078 R)
• M11: 9,155,689 km (0.118 R)
• M12: 9,608,222 km (0.071 R)
• M13: 10,805,155 km (0.118 R)
• M14: 11,396,515 km (0.119 R)
• M15: 12,278,993 km (0.079 R)
• M16: 13,735,777 km (0.049 R)
• M17: 15,304,760 km (0.092 R)
• M18: 16,159,861 km (0.1 R)
• M19: 16,821,832 km (0.108 R)
• M20: 19,343,453 km (0.114 R)
• M21: 19,901,454 km (0.099 R)
• M22: 20,855,290 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.6

Radius: 3.7

Gravity: 33.72 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 12.3 AU - 16.36 AU

Year: 20328 Days

Day: 17.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 98,297,405 km

• M1: 84,523 km (0.034 R)
• M2: 965,953 km (0.084 R)
• M3: 1,137,393 km (0.113 R)
• M4: 1,622,539 km (0.054 R)
• M5: 1,758,523 km (0.114 R)
• M6: 5,403,924 km (0.09 R)
• M7: 8,022,934 km (0.053 R)
• M8: 8,571,210 km (0.042 R)
• M9: 9,965,612 km (0.104 R)
• M10: 14,313,075 km (0.084 R)
• M11: 15,797,984 km (0.073 R)
• M12: 16,184,694 km (0.087 R)
• M13: 23,459,190 km (0.072 R)
• M14: 34,679,180 km (0.119 R)
• M15: 39,703,574 km (0.116 R)
• M16: 49,173,119 km (0.075 R)
• M17: 52,180,186 km (0.115 R)
• M18: 54,777,654 km (0.111 R)
• M19: 55,130,406 km (0.104 R)
• M20: 56,916,754 km (0.103 R)
• M21: 60,793,134 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.7

Radius: 6.2

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 14.71 AU - 18.13 AU

Year: 24934 Days

Day: 23.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 98,297,405 km

• M1: 137,630 km (0.093 R)
• M2: 346,319 km (0.117 R)
• M3: 1,233,584 km (0.12 R)
• M4: 1,444,966 km (0.028 R)
• M5: 1,824,346 km (0.049 R)
• M6: 4,662,218 km (0.111 R)
• M7: 6,371,074 km (0.084 R)
• M8: 8,273,510 km (0.089 R)
• M9: 16,193,820 km (0.095 R)
• M10: 17,530,028 km (0.112 R)
• M11: 19,669,726 km (0.082 R)
• M12: 30,191,842 km (0.094 R)
• M13: 38,151,197 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.2

Radius: 7.3

Gravity: 12.84 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 16.87 AU - 19.77 AU

Year: 29384 Days

Day: 16.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 98,297,405 km

• M1: 90,806 km (0.063 R)
• M2: 422,165 km (0.103 R)
• M3: 1,981,125 km (0.073 R)
• M4: 3,189,576 km (0.077 R)
• M5: 3,461,994 km (0.028 R)
• M6: 8,286,525 km (0.043 R)
• M7: 9,280,603 km (0.056 R)
• M8: 11,156,560 km (0.11 R)
• M9: 13,661,876 km (0.115 R)
• M10: 15,383,598 km (0.114 R)
• M11: 21,516,213 km (0.075 R)
• M12: 24,646,997 km (0.105 R)
• M13: 27,060,759 km (0.078 R)
• M14: 30,563,144 km (0.113 R)
• M15: 32,072,886 km (0.104 R)
• M16: 34,649,260 km (0.08 R)
• M17: 48,879,159 km (0.086 R)
• M18: 49,809,060 km (0.097 R)
• M19: 51,130,607 km (0.105 R)
• M20: 52,281,763 km (0.097 R)
• M21: 59,554,464 km (0.071 R)
• M22: 65,656,261 km (0.092 R)
• M23: 85,090,820 km (0.081 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: 534 - 15,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit