🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.79 AU - 1.13 AU

Year: 358 Days

Day: 31.9 Hours

Environment

Temp: 30 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 49,251,306 km

• M1: 19,597 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.78 AU - 1.82 AU

Year: 920 Days

Day: 27.1 Hours

Environment

Temp: -64 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.4 AU - 2.74 AU

Year: 1569 Days

Day: 33.5 Hours

Environment

Temp: -106 °C

Axial Tilt: 42.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 12.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.16 AU - 4.2 AU

Year: 3254 Days

Day: 14.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,251,306 km

• M1: 158,574 km (0.053 R)
• M2: 585,526 km (0.12 R)
• M3: 987,795 km (0.077 R)
• M4: 1,513,781 km (0.084 R)
• M5: 2,279,273 km (0.115 R)
• M6: 2,950,369 km (0.034 R)
• M7: 3,413,823 km (0.086 R)
• M8: 4,087,612 km (0.113 R)
• M9: 4,987,892 km (0.107 R)
• M10: 6,481,926 km (0.057 R)
• M11: 7,961,599 km (0.107 R)
• M12: 8,389,598 km (0.086 R)
• M13: 9,078,048 km (0.036 R)
• M14: 9,953,644 km (0.111 R)
• M15: 11,371,682 km (0.085 R)
• M16: 12,000,741 km (0.096 R)
• M17: 13,512,727 km (0.085 R)
• M18: 16,274,603 km (0.027 R)
• M19: 17,676,933 km (0.097 R)
• M20: 18,237,177 km (0.103 R)
• M21: 19,511,452 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.8

Radius: 11

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.25 AU - 6.39 AU

Year: 4673 Days

Day: 8.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,251,306 km

• M1: 136,882 km (0.066 R)
• M2: 613,800 km (0.071 R)
• M3: 1,409,960 km (0.071 R)
• M4: 4,248,729 km (0.113 R)
• M5: 4,909,204 km (0.064 R)
• M6: 5,299,804 km (0.104 R)
• M7: 6,847,394 km (0.116 R)
• M8: 8,415,778 km (0.058 R)
• M9: 9,078,796 km (0.045 R)
• M10: 12,585,669 km (0.104 R)
• M11: 13,452,888 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.2

Radius: 10

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.77 AU - 13.29 AU

Year: 13950 Days

Day: 10.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,251,306 km

• M1: 124,316 km (0.096 R)
• M2: 570,716 km (0.071 R)
• M3: 1,210,546 km (0.037 R)
• M4: 1,720,974 km (0.092 R)
• M5: 2,448,618 km (0.113 R)
• M6: 2,848,194 km (0.03 R)
• M7: 4,457,568 km (0.078 R)
• M8: 5,082,887 km (0.118 R)
• M9: 6,055,273 km (0.101 R)
• M10: 6,664,136 km (0.039 R)
• M11: 8,402,314 km (0.12 R)
• M12: 8,813,708 km (0.053 R)
• M13: 13,045,383 km (0.056 R)
• M14: 15,238,189 km (0.042 R)
• M15: 20,274,102 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.2

Radius: 7.2

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 16.24 AU - 16.94 AU

Year: 25732 Days

Day: 19.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,251,306 km

• M1: 145,559 km (0.067 R)
• M2: 488,138 km (0.064 R)
• M3: 1,473,090 km (0.107 R)
• M4: 3,118,966 km (0.099 R)
• M5: 4,386,359 km (0.114 R)
• M6: 6,552,686 km (0.105 R)
• M7: 7,177,706 km (0.034 R)
• M8: 9,965,013 km (0.085 R)
• M9: 11,789,659 km (0.074 R)
• M10: 18,581,552 km (0.117 R)
• M11: 19,198,792 km (0.117 R)
• M12: 19,921,051 km (0.082 R)
• M13: 34,069,569 km (0.072 R)
• M14: 39,145,125 km (0.078 R)
• M15: 61,523,770 km (0.078 R)
• M16: 64,683,726 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.1

Radius: 7.1

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 15.24 AU - 20.2 AU

Year: 28405 Days

Day: 15.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,251,306 km

• M1: 88,263 km (0.112 R)
• M2: 441,763 km (0.047 R)
• M3: 742,753 km (0.036 R)
• M4: 1,003,203 km (0.11 R)
• M5: 2,037,673 km (0.098 R)
• M6: 3,095,180 km (0.09 R)
• M7: 4,508,880 km (0.083 R)
• M8: 9,631,111 km (0.057 R)
• M9: 10,654,510 km (0.098 R)
• M10: 12,322,975 km (0.088 R)
• M11: 12,736,015 km (0.079 R)
• M12: 18,514,831 km (0.052 R)
• M13: 22,972,847 km (0.101 R)
• M14: 26,604,485 km (0.074 R)
• M15: 28,097,622 km (0.111 R)
• M16: 28,813,148 km (0.104 R)
• M17: 32,017,834 km (0.074 R)
• M18: 32,350,839 km (0.108 R)
• M19: 34,281,549 km (0.117 R)
• M20: 35,808,794 km (0.104 R)
• M21: 36,649,683 km (0.08 R)
• M22: 38,246,192 km (0.083 R)
• M23: 46,644,018 km (0.036 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 12,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit