🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.91 AU - 1.17 AU

Year: 397 Days

Day: 24.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 5.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 97,750,600 km

• M1: 181,612 km (0.104 R)
• M2: 255,962 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.1 AU - 1.18 AU

Year: 456 Days

Day: 44.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 11.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 97,750,600 km

• M1: 64,626 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.13 AU - 3.63 AU

Year: 2329 Days

Day: 47 Hours

Environment

Temp: -124 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.8

Radius: 11.5

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.62 AU - 5.58 AU

Year: 3697 Days

Day: 13.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 97,750,600 km

• M1: 143,016 km (0.109 R)
• M2: 530,175 km (0.046 R)
• M3: 936,183 km (0.036 R)
• M4: 1,435,092 km (0.091 R)
• M5: 1,847,235 km (0.106 R)
• M6: 2,269,400 km (0.105 R)
• M7: 3,170,727 km (0.08 R)
• M8: 3,626,851 km (0.096 R)
• M9: 4,626,913 km (0.073 R)
• M10: 5,191,645 km (0.116 R)
• M11: 5,934,996 km (0.052 R)
• M12: 6,806,554 km (0.118 R)
• M13: 7,444,140 km (0.078 R)
• M14: 9,087,323 km (0.092 R)
• M15: 12,139,119 km (0.065 R)
• M16: 12,535,554 km (0.091 R)
• M17: 13,824,489 km (0.118 R)
• M18: 14,797,922 km (0.054 R)
• M19: 18,451,102 km (0.118 R)
• M20: 19,034,683 km (0.086 R)
• M21: 19,570,393 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.8

Radius: 11.7

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.65 AU - 5.67 AU

Year: 4392 Days

Day: 6.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 97,750,600 km

• M1: 145,559 km (0.097 R)
• M2: 727,943 km (0.105 R)
• M3: 1,180,178 km (0.106 R)
• M4: 1,668,914 km (0.038 R)
• M5: 3,237,448 km (0.032 R)
• M6: 4,047,819 km (0.067 R)
• M7: 4,576,049 km (0.107 R)
• M8: 5,919,289 km (0.04 R)
• M9: 6,473,698 km (0.048 R)
• M10: 6,995,346 km (0.113 R)
• M11: 7,615,579 km (0.076 R)
• M12: 9,782,354 km (0.107 R)
• M13: 13,445,707 km (0.116 R)
• M14: 14,460,130 km (0.108 R)
• M15: 15,871,885 km (0.097 R)
• M16: 16,641,267 km (0.12 R)
• M17: 18,901,990 km (0.083 R)
• M18: 20,726,935 km (0.093 R)
• M19: 22,079,599 km (0.101 R)
• M20: 25,677,427 km (0.12 R)
• M21: 26,490,492 km (0.077 R)
• M22: 27,236,836 km (0.109 R)
• M23: 28,684,793 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.3

Radius: 13.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.4 AU - 6.5 AU

Year: 4768 Days

Day: 5.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 97,750,600 km

• M1: 167,998 km (0.088 R)
• M2: 598,990 km (0.119 R)
• M3: 1,603,540 km (0.102 R)
• M4: 2,219,584 km (0.104 R)
• M5: 3,431,476 km (0.1 R)
• M6: 6,132,017 km (0.041 R)
• M7: 6,561,363 km (0.115 R)
• M8: 7,396,717 km (0.1 R)
• M9: 14,231,844 km (0.114 R)
• M10: 15,124,644 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.7

Radius: 10.2

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.16 AU - 9.14 AU

Year: 8719 Days

Day: 14 Hours

Environment

Temp: -162 °C

Axial Tilt: 135.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 97,750,600 km

• M1: 128,953 km (0.058 R)
• M2: 830,567 km (0.079 R)
• M3: 1,290,581 km (0.119 R)
• M4: 1,622,389 km (0.092 R)
• M5: 2,408,825 km (0.117 R)
• M6: 2,878,263 km (0.102 R)
• M7: 4,054,252 km (0.101 R)
• M8: 5,050,873 km (0.101 R)
• M9: 7,012,550 km (0.1 R)
• M10: 9,720,122 km (0.092 R)
• M11: 10,255,682 km (0.12 R)
• M12: 10,965,674 km (0.116 R)
• M13: 16,953,179 km (0.098 R)
• M14: 17,444,608 km (0.099 R)
• M15: 23,151,018 km (0.047 R)
• M16: 26,282,551 km (0.067 R)
• M17: 27,707,321 km (0.088 R)
• M18: 31,440,536 km (0.092 R)
• M19: 42,793,069 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.3

Radius: 7.4

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 10.98 AU - 14.8 AU

Year: 17342 Days

Day: 25 Hours

Environment

Temp: -180 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 97,750,600 km

• M1: 99,183 km (0.113 R)
• M2: 1,000,660 km (0.109 R)
• M3: 1,534,874 km (0.096 R)
• M4: 2,187,121 km (0.112 R)
• M5: 2,576,524 km (0.099 R)
• M6: 2,845,651 km (0.116 R)
• M7: 3,910,937 km (0.079 R)
• M8: 5,955,491 km (0.096 R)
• M9: 7,011,802 km (0.071 R)
• M10: 9,178,278 km (0.068 R)
• M11: 10,191,056 km (0.111 R)
• M12: 13,275,016 km (0.09 R)
• M13: 14,427,667 km (0.093 R)
• M14: 16,317,388 km (0.046 R)
• M15: 19,537,632 km (0.083 R)
• M16: 21,296,454 km (0.069 R)
• M17: 44,881,904 km (0.075 R)
• M18: 45,330,249 km (0.104 R)
• M19: 54,597,388 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.1

Radius: 3.5

Gravity: 69.97 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 12.73 AU - 21.07 AU

Year: 26035 Days

Day: 20.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 97,750,600 km

• M1: 44,281 km (0.104 R)
• M2: 170,093 km (0.1 R)
• M3: 414,536 km (0.104 R)
• M4: 567,126 km (0.088 R)
• M5: 987,795 km (0.075 R)
• M6: 1,702,125 km (0.104 R)
• M7: 1,841,251 km (0.086 R)
• M8: 2,501,276 km (0.114 R)
• M9: 2,870,634 km (0.095 R)
• M10: 3,126,595 km (0.066 R)
• M11: 3,783,031 km (0.116 R)
• M12: 4,196,968 km (0.075 R)
• M13: 4,377,982 km (0.099 R)
• M14: 4,602,079 km (0.091 R)
• M15: 6,534,285 km (0.102 R)
• M16: 8,030,713 km (0.082 R)
• M17: 8,310,012 km (0.114 R)
• M18: 14,101,394 km (0.113 R)
• M19: 15,258,534 km (0.081 R)
• M20: 15,514,496 km (0.061 R)
• M21: 18,618,502 km (0.105 R)
• M22: 22,112,211 km (0.112 R)
• M23: 23,442,734 km (0.083 R)
• M24: 26,506,499 km (0.117 R)
• M25: 26,752,737 km (0.086 R)
• M26: 27,374,765 km (0.101 R)
• M27: 37,586,615 km (0.06 R)
• M28: 40,282,368 km (0.086 R)
• M29: 41,099,023 km (0.107 R)
• M30: 43,104,083 km (0.094 R)
• M31: 52,354,617 km (0.086 R)
• M32: 56,315,969 km (0.047 R)
• M33: 59,204,704 km (0.119 R)
• M34: 70,091,390 km (0.117 R)
• M35: 71,272,016 km (0.111 R)
• M36: 72,946,914 km (0.038 R)
• M37: 78,888,642 km (0.11 R)
• M38: 85,144,825 km (0.047 R)
• M39: 85,680,535 km (0.113 R)
• M40: 94,848,640 km (0.059 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: 454 - 12,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit