🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.78 AU - 0.92 AU

Year: 289 Days

Day: 24.2 Hours

Environment

Temp: 96 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,541,614 km

• M1: 245,640 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.03 AU - 1.07 AU

Year: 397 Days

Day: 40.5 Hours

Environment

Temp: 8 °C

Axial Tilt: 22.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 38,541,614 km

• M1: 35,754 km (0.041 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1 AU - 1.42 AU

Year: 491 Days

Day: 30 Hours

Environment

Temp: 13 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.93 AU - 5.09 AU

Year: 3534 Days

Day: 43.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,541,614 km

• M1: 23,487 km (0.109 R)

Asteroid Belt

Center: 5.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.9

Radius: 13

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.42 AU - 6.66 AU

Year: 4811 Days

Day: 10.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,541,614 km

• M1: 168,148 km (0.057 R)
• M2: 731,085 km (0.086 R)
• M3: 1,359,695 km (0.026 R)
• M4: 2,076,119 km (0.052 R)
• M5: 3,732,616 km (0.109 R)
• M6: 5,867,228 km (0.102 R)
• M7: 6,956,451 km (0.099 R)
• M8: 7,803,474 km (0.088 R)
• M9: 8,366,859 km (0.091 R)
• M10: 9,745,254 km (0.051 R)
• M11: 11,411,924 km (0.051 R)
• M12: 13,313,762 km (0.104 R)
• M13: 16,550,760 km (0.07 R)
• M14: 18,188,558 km (0.101 R)
• M15: 18,846,489 km (0.088 R)
• M16: 19,931,971 km (0.069 R)
• M17: 22,005,248 km (0.09 R)
• M18: 26,576,511 km (0.065 R)
• M19: 27,338,412 km (0.084 R)
• M20: 27,940,993 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.6

Radius: 8.5

Gravity: 13.5 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.87 AU - 9.09 AU

Year: 9929 Days

Day: 12.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,541,614 km

• M1: 111,301 km (0.112 R)
• M2: 601,832 km (0.076 R)
• M3: 874,400 km (0.069 R)
• M4: 2,101,551 km (0.075 R)
• M5: 2,930,473 km (0.059 R)
• M6: 3,382,109 km (0.065 R)
• M7: 5,631,761 km (0.054 R)
• M8: 10,665,730 km (0.071 R)
• M9: 11,967,830 km (0.04 R)
• M10: 12,934,082 km (0.069 R)
• M11: 14,016,722 km (0.086 R)
• M12: 24,752,015 km (0.118 R)
• M13: 26,117,245 km (0.117 R)
• M14: 27,532,142 km (0.11 R)
• M15: 28,258,439 km (0.062 R)
• M16: 32,310,896 km (0.092 R)
• M17: 34,415,738 km (0.112 R)
• M18: 35,379,896 km (0.073 R)
• M19: 38,896,494 km (0.109 R)
• M20: 39,547,992 km (0.108 R)
• M21: 41,141,359 km (0.029 R)
• M22: 45,743,439 km (0.082 R)
• M23: 49,907,944 km (0.113 R)
• M24: 50,677,176 km (0.077 R)
• M25: 51,924,523 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.3

Radius: 8.5

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.75 AU - 9.47 AU

Year: 10145 Days

Day: 9.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,541,614 km

• M1: 105,766 km (0.102 R)
• M2: 429,495 km (0.113 R)
• M3: 1,600,398 km (0.035 R)
• M4: 3,267,965 km (0.055 R)
• M5: 5,276,616 km (0.079 R)
• M6: 9,089,866 km (0.096 R)
• M7: 11,384,996 km (0.086 R)
• M8: 11,915,919 km (0.114 R)
• M9: 12,212,422 km (0.104 R)
• M10: 14,372,167 km (0.106 R)
• M11: 20,330,949 km (0.113 R)
• M12: 21,987,446 km (0.119 R)
• M13: 30,243,753 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.7

Radius: 9.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.12 AU - 9.72 AU

Year: 10667 Days

Day: 8.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,541,614 km

• M1: 123,119 km (0.03 R)
• M2: 622,028 km (0.097 R)
• M3: 1,000,062 km (0.104 R)
• M4: 1,371,663 km (0.114 R)
• M5: 3,935,920 km (0.055 R)
• M6: 5,516,272 km (0.069 R)
• M7: 6,915,461 km (0.055 R)
• M8: 9,325,034 km (0.107 R)
• M9: 9,643,827 km (0.036 R)
• M10: 11,043,165 km (0.118 R)
• M11: 12,518,499 km (0.057 R)
• M12: 17,179,221 km (0.082 R)
• M13: 21,196,223 km (0.104 R)
• M14: 22,310,578 km (0.056 R)
• M15: 24,916,722 km (0.114 R)
• M16: 30,425,514 km (0.093 R)
• M17: 33,409,094 km (0.047 R)
• M18: 40,070,986 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.7

Radius: 5.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 17.66 AU - 21.94 AU

Year: 32507 Days

Day: 23.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,541,614 km

• M1: 103,073 km (0.112 R)
• M2: 319,691 km (0.117 R)
• M3: 1,029,981 km (0.111 R)
• M4: 1,442,123 km (0.081 R)
• M5: 1,912,160 km (0.116 R)
• M6: 2,424,981 km (0.054 R)
• M7: 3,416,666 km (0.053 R)
• M8: 4,273,562 km (0.086 R)
• M9: 4,598,040 km (0.104 R)
• M10: 4,909,653 km (0.034 R)
• M11: 5,512,532 km (0.103 R)
• M12: 7,196,406 km (0.082 R)
• M13: 7,695,015 km (0.117 R)
• M14: 9,783,252 km (0.118 R)
• M15: 12,382,814 km (0.081 R)
• M16: 18,967,215 km (0.073 R)
• M17: 20,140,062 km (0.104 R)
• M18: 22,873,215 km (0.1 R)
• M19: 24,116,523 km (0.096 R)
• M20: 26,198,776 km (0.096 R)
• M21: 32,228,617 km (0.08 R)
• M22: 38,081,784 km (0.101 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 18,544 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit