🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.45 AU - 0.57 AU

Year: 235 Days

Day: 23.3 Hours

Environment

Temp: -115 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698

Radius: 13.9

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.09 AU - 1.29 AU

Year: 838 Days

Day: 10.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,548,642 km

• M1: 172,935 km (0.077 R)
• M2: 624,571 km (0.085 R)
• M3: 1,162,974 km (0.082 R)
• M4: 1,860,549 km (0.105 R)
• M5: 2,450,413 km (0.095 R)
• M6: 3,500,291 km (0.07 R)
• M7: 4,311,411 km (0.028 R)
• M8: 4,972,633 km (0.116 R)
• M9: 5,450,449 km (0.093 R)
• M10: 6,329,486 km (0.089 R)
• M11: 6,825,552 km (0.055 R)
• M12: 7,678,260 km (0.108 R)
• M13: 8,626,860 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.7

Radius: 11.7

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.05 AU - 1.41 AU

Year: 881 Days

Day: 11.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,548,642 km

• M1: 145,559 km (0.078 R)
• M2: 669,301 km (0.117 R)
• M3: 1,116,748 km (0.097 R)
• M4: 1,647,521 km (0.098 R)
• M5: 2,147,777 km (0.092 R)
• M6: 2,724,476 km (0.117 R)
• M7: 3,458,104 km (0.084 R)
• M8: 4,636,038 km (0.097 R)
• M9: 5,722,119 km (0.073 R)
• M10: 6,399,647 km (0.097 R)
• M11: 7,107,096 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.1

Radius: 13.9

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.12 AU - 3.16 AU

Year: 2770 Days

Day: 14.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,548,642 km

• M1: 173,833 km (0.105 R)
• M2: 747,391 km (0.087 R)
• M3: 2,032,137 km (0.108 R)
• M4: 3,307,160 km (0.096 R)
• M5: 6,716,944 km (0.111 R)
• M6: 7,971,023 km (0.082 R)

Asteroid Belt

Center: 4.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.3

Radius: 4.7

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.76 AU - 6.66 AU

Year: 9992 Days

Day: 23.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,548,642 km

• M1: 62,083 km (0.078 R)
• M2: 273,016 km (0.11 R)
• M3: 459,864 km (0.098 R)
• M4: 1,263,653 km (0.096 R)
• M5: 1,949,111 km (0.066 R)
• M6: 3,230,566 km (0.104 R)
• M7: 3,596,183 km (0.109 R)
• M8: 7,001,180 km (0.07 R)
• M9: 7,682,449 km (0.073 R)
• M10: 9,782,654 km (0.119 R)
• M11: 14,744,217 km (0.094 R)
• M12: 21,436,477 km (0.087 R)
• M13: 27,034,280 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.2

Radius: 6.6

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.3 AU - 6.32 AU

Year: 10234 Days

Day: 22.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,548,642 km

• M1: 82,129 km (0.086 R)
• M2: 459,565 km (0.067 R)
• M3: 938,427 km (0.083 R)
• M4: 3,848,256 km (0.086 R)
• M5: 4,069,361 km (0.117 R)
• M6: 4,610,158 km (0.115 R)
• M7: 5,092,312 km (0.09 R)
• M8: 6,246,459 km (0.1 R)
• M9: 6,583,802 km (0.088 R)
• M10: 8,717,068 km (0.082 R)
• M11: 9,775,622 km (0.091 R)
• M12: 11,049,598 km (0.1 R)
• M13: 14,445,619 km (0.091 R)
• M14: 15,199,592 km (0.056 R)
• M15: 16,092,991 km (0.065 R)
• M16: 19,496,193 km (0.096 R)
• M17: 19,886,943 km (0.034 R)
• M18: 22,987,059 km (0.032 R)
• M19: 25,377,932 km (0.098 R)
• M20: 26,000,559 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.7

Radius: 7.5

Gravity: 15.32 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.13 AU - 7.49 AU

Year: 10234 Days

Day: 22.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,548,642 km

• M1: 93,349 km (0.119 R)
• M2: 551,867 km (0.07 R)
• M3: 845,976 km (0.106 R)
• M4: 1,625,979 km (0.028 R)
• M5: 1,944,324 km (0.111 R)
• M6: 2,191,609 km (0.114 R)
• M7: 2,540,621 km (0.066 R)
• M8: 2,926,434 km (0.108 R)
• M9: 4,381,273 km (0.11 R)
• M10: 4,622,873 km (0.092 R)
• M11: 5,132,703 km (0.054 R)
• M12: 5,539,310 km (0.116 R)
• M13: 7,554,393 km (0.106 R)
• M14: 7,946,938 km (0.057 R)
• M15: 9,158,082 km (0.117 R)
• M16: 11,423,593 km (0.082 R)
• M17: 12,474,218 km (0.105 R)
• M18: 14,833,826 km (0.086 R)
• M19: 16,879,726 km (0.119 R)
• M20: 17,931,698 km (0.064 R)
• M21: 19,106,640 km (0.058 R)
• M22: 21,435,729 km (0.114 R)
• M23: 22,046,388 km (0.103 R)
• M24: 22,578,807 km (0.116 R)
• M25: 25,081,878 km (0.111 R)
• M26: 25,467,841 km (0.057 R)
• M27: 26,649,365 km (0.105 R)
• M28: 31,406,427 km (0.053 R)
• M29: 32,080,515 km (0.058 R)
• M30: 39,232,490 km (0.058 R)
• M31: 48,264,611 km (0.081 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 13,518 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit