🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.02 AU - 1.3 AU

Year: 476 Days

Day: 45.8 Hours

Environment

Temp: -6 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.87 AU - 1.91 AU

Year: 989 Days

Day: 33 Hours

Environment

Temp: -72 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,206,830 km

• M1: 58,792 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.2

Radius: 13.3

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5 AU - 5.98 AU

Year: 4898 Days

Day: 6.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,206,830 km

• M1: 165,455 km (0.05 R)
• M2: 660,923 km (0.118 R)
• M3: 1,390,213 km (0.066 R)
• M4: 1,920,687 km (0.076 R)
• M5: 2,383,094 km (0.083 R)
• M6: 4,379,777 km (0.111 R)
• M7: 5,012,277 km (0.068 R)
• M8: 7,282,125 km (0.106 R)
• M9: 7,787,018 km (0.104 R)
• M10: 8,755,215 km (0.116 R)
• M11: 9,882,735 km (0.118 R)
• M12: 11,236,745 km (0.118 R)
• M13: 13,494,925 km (0.063 R)
• M14: 14,207,160 km (0.11 R)
• M15: 15,051,491 km (0.062 R)
• M16: 16,041,230 km (0.062 R)
• M17: 17,132,397 km (0.107 R)
• M18: 21,514,268 km (0.092 R)
• M19: 24,221,391 km (0.115 R)
• M20: 25,273,663 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.7

Radius: 12.2

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.48 AU - 6.3 AU

Year: 5443 Days

Day: 10.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,206,830 km

• M1: 152,590 km (0.08 R)
• M2: 653,743 km (0.101 R)
• M3: 1,081,593 km (0.111 R)
• M4: 3,435,814 km (0.108 R)
• M5: 4,168,395 km (0.098 R)
• M6: 4,720,411 km (0.105 R)
• M7: 5,523,453 km (0.077 R)
• M8: 6,529,947 km (0.086 R)
• M9: 7,307,706 km (0.095 R)
• M10: 10,130,768 km (0.047 R)
• M11: 11,849,647 km (0.058 R)
• M12: 12,598,085 km (0.112 R)
• M13: 13,755,524 km (0.097 R)
• M14: 18,223,713 km (0.065 R)
• M15: 19,702,788 km (0.067 R)
• M16: 20,753,264 km (0.1 R)
• M17: 21,260,251 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.8

Radius: 12.6

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.35 AU - 6.55 AU

Year: 5527 Days

Day: 14.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,206,830 km

• M1: 156,779 km (0.106 R)
• M2: 698,323 km (0.086 R)
• M3: 1,151,455 km (0.1 R)
• M4: 2,726,421 km (0.117 R)
• M5: 3,919,913 km (0.076 R)
• M6: 4,326,819 km (0.074 R)
• M7: 5,226,800 km (0.085 R)
• M8: 5,868,874 km (0.085 R)
• M9: 6,509,602 km (0.036 R)
• M10: 9,176,932 km (0.052 R)
• M11: 10,112,966 km (0.088 R)
• M12: 11,380,957 km (0.093 R)
• M13: 12,297,095 km (0.091 R)
• M14: 15,105,645 km (0.058 R)
• M15: 16,509,172 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567

Radius: 12.4

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.87 AU - 9.25 AU

Year: 8714 Days

Day: 10.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,206,830 km

• M1: 163,959 km (0.098 R)
• M2: 578,046 km (0.115 R)
• M3: 1,193,641 km (0.096 R)
• M4: 1,848,581 km (0.102 R)
• M5: 2,525,062 km (0.038 R)
• M6: 3,228,172 km (0.115 R)
• M7: 5,267,191 km (0.077 R)
• M8: 7,453,564 km (0.067 R)
• M9: 8,512,268 km (0.084 R)
• M10: 9,808,684 km (0.113 R)
• M11: 10,528,848 km (0.109 R)
• M12: 11,439,300 km (0.063 R)
• M13: 13,533,072 km (0.115 R)
• M14: 15,936,063 km (0.03 R)
• M15: 17,479,614 km (0.103 R)
• M16: 18,110,019 km (0.056 R)
• M17: 19,120,702 km (0.1 R)
• M18: 29,873,797 km (0.08 R)
• M19: 36,117,414 km (0.106 R)
• M20: 37,255,405 km (0.09 R)
• M21: 40,326,051 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.9

Radius: 7.5

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 13.21 AU - 16.87 AU

Year: 22211 Days

Day: 19.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 114.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,206,830 km

• M1: 103,073 km (0.089 R)
• M2: 646,412 km (0.099 R)
• M3: 1,089,521 km (0.103 R)
• M4: 1,468,154 km (0.101 R)
• M5: 1,969,157 km (0.116 R)
• M6: 2,761,128 km (0.118 R)
• M7: 7,359,318 km (0.086 R)
• M8: 8,160,713 km (0.073 R)
• M9: 8,557,447 km (0.113 R)
• M10: 8,914,986 km (0.101 R)
• M11: 12,466,439 km (0.06 R)
• M12: 15,322,263 km (0.087 R)
• M13: 22,576,413 km (0.108 R)
• M14: 24,259,539 km (0.042 R)
• M15: 29,345,268 km (0.105 R)
• M16: 30,868,174 km (0.08 R)
• M17: 31,347,037 km (0.105 R)
• M18: 36,015,239 km (0.084 R)
• M19: 41,998,705 km (0.034 R)
• M20: 44,688,624 km (0.083 R)
• M21: 46,075,695 km (0.114 R)
• M22: 61,182,836 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 17,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit