🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.6 AU - 0.66 AU

Year: 182 Days

Day: 32 Hours

Environment

Temp: 161 °C

Axial Tilt: 18.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.76 AU - 0.9 AU

Year: 275 Days

Day: 43 Hours

Environment

Temp: 172 °C

Axial Tilt: 4.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.85 AU - 1.19 AU

Year: 374 Days

Day: 27.6 Hours

Environment

Temp: 34 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.13 AU - 1.39 AU

Year: 514 Days

Day: 46.6 Hours

Environment

Temp: 3 °C

Axial Tilt: 48.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.1

Radius: 8

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.23 AU - 5.85 AU

Year: 4739 Days

Day: 10.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 101,022,871 km

• M1: 99,483 km (0.034 R)
• M2: 385,963 km (0.113 R)
• M3: 685,158 km (0.089 R)
• M4: 1,791,584 km (0.113 R)
• M5: 2,124,439 km (0.064 R)
• M6: 2,484,821 km (0.113 R)
• M7: 2,825,904 km (0.069 R)
• M8: 3,133,627 km (0.115 R)
• M9: 3,567,311 km (0.076 R)
• M10: 4,213,574 km (0.05 R)
• M11: 4,935,683 km (0.116 R)
• M12: 6,259,025 km (0.028 R)
• M13: 6,920,248 km (0.042 R)
• M14: 7,774,302 km (0.046 R)
• M15: 10,357,708 km (0.098 R)
• M16: 10,794,683 km (0.068 R)
• M17: 11,511,556 km (0.1 R)
• M18: 12,099,775 km (0.066 R)
• M19: 12,873,346 km (0.082 R)
• M20: 16,202,497 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.5

Radius: 8.6

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.85 AU - 7.47 AU

Year: 6247 Days

Day: 10.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 101,022,871 km

• M1: 107,112 km (0.086 R)
• M2: 382,821 km (0.095 R)
• M3: 668,553 km (0.069 R)
• M4: 967,749 km (0.108 R)
• M5: 1,791,285 km (0.12 R)
• M6: 2,566,052 km (0.1 R)
• M7: 3,142,752 km (0.12 R)
• M8: 3,528,715 km (0.079 R)
• M9: 4,645,163 km (0.078 R)
• M10: 5,073,313 km (0.051 R)
• M11: 6,723,228 km (0.105 R)
• M12: 7,557,086 km (0.097 R)
• M13: 8,809,519 km (0.119 R)
• M14: 11,126,192 km (0.091 R)
• M15: 12,605,117 km (0.118 R)
• M16: 13,534,119 km (0.092 R)
• M17: 14,309,485 km (0.116 R)
• M18: 17,257,461 km (0.069 R)
• M19: 19,718,047 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.3

Radius: 11

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.89 AU - 9.61 AU

Year: 9407 Days

Day: 6.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 101,022,871 km

• M1: 137,032 km (0.069 R)
• M2: 680,521 km (0.075 R)
• M3: 1,689,708 km (0.086 R)
• M4: 2,435,005 km (0.089 R)
• M5: 4,196,519 km (0.082 R)
• M6: 5,083,784 km (0.044 R)
• M7: 5,511,036 km (0.106 R)
• M8: 10,509,998 km (0.089 R)
• M9: 13,167,006 km (0.119 R)
• M10: 14,960,236 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.9

Radius: 11.5

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.71 AU - 11.93 AU

Year: 11184 Days

Day: 5.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 101,022,871 km

• M1: 146,008 km (0.08 R)
• M2: 1,344,286 km (0.088 R)
• M3: 2,208,065 km (0.094 R)
• M4: 3,949,384 km (0.119 R)
• M5: 4,515,163 km (0.109 R)
• M6: 5,006,293 km (0.058 R)
• M7: 5,431,300 km (0.116 R)
• M8: 6,619,855 km (0.116 R)
• M9: 7,214,208 km (0.11 R)
• M10: 7,974,314 km (0.083 R)
• M11: 8,510,024 km (0.086 R)
• M12: 10,108,328 km (0.064 R)
• M13: 10,524,210 km (0.079 R)
• M14: 11,557,931 km (0.108 R)
• M15: 12,245,035 km (0.081 R)
• M16: 12,898,478 km (0.109 R)
• M17: 13,890,312 km (0.1 R)
• M18: 16,307,365 km (0.113 R)
• M19: 16,735,813 km (0.053 R)
• M20: 17,245,194 km (0.092 R)
• M21: 18,218,627 km (0.1 R)
• M22: 18,913,808 km (0.112 R)
• M23: 21,021,642 km (0.108 R)
• M24: 23,552,390 km (0.03 R)
• M25: 26,182,470 km (0.041 R)
• M26: 29,002,539 km (0.093 R)
• M27: 32,130,481 km (0.098 R)
• M28: 34,414,541 km (0.111 R)
• M29: 42,314,655 km (0.047 R)
• M30: 42,989,043 km (0.101 R)
• M31: 44,359,209 km (0.027 R)
• M32: 46,611,854 km (0.106 R)
• M33: 47,912,009 km (0.102 R)
• M34: 48,792,094 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.7

Radius: 5.6

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 12.84 AU - 14.24 AU

Year: 18107 Days

Day: 18.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 101,022,871 km

• M1: 69,713 km (0.102 R)
• M2: 252,521 km (0.101 R)
• M3: 956,080 km (0.095 R)
• M4: 3,866,058 km (0.114 R)
• M5: 4,904,865 km (0.053 R)
• M6: 5,361,288 km (0.08 R)
• M7: 8,813,409 km (0.1 R)
• M8: 9,918,189 km (0.06 R)
• M9: 15,486,521 km (0.106 R)
• M10: 16,388,746 km (0.102 R)
• M11: 17,969,547 km (0.073 R)
• M12: 23,414,460 km (0.091 R)
• M13: 24,201,345 km (0.116 R)
• M14: 25,107,459 km (0.118 R)
• M15: 27,094,269 km (0.088 R)
• M16: 45,361,814 km (0.113 R)
• M17: 50,216,116 km (0.1 R)
• M18: 57,684,191 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.6

Radius: 7.5

Gravity: 16.38 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 17.03 AU - 17.77 AU

Year: 26379 Days

Day: 22.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 101,022,871 km

• M1: 105,167 km (0.104 R)
• M2: 447,746 km (0.091 R)
• M3: 818,899 km (0.109 R)
• M4: 1,110,465 km (0.112 R)
• M5: 1,577,510 km (0.081 R)
• M6: 1,867,281 km (0.119 R)
• M7: 2,429,769 km (0.076 R)
• M8: 2,684,384 km (0.05 R)
• M9: 3,188,230 km (0.049 R)
• M10: 6,847,843 km (0.103 R)
• M11: 8,516,158 km (0.115 R)
• M12: 10,841,956 km (0.038 R)
• M13: 12,334,793 km (0.097 R)
• M14: 12,785,382 km (0.068 R)
• M15: 17,534,815 km (0.063 R)
• M16: 26,058,303 km (0.086 R)
• M17: 33,683,905 km (0.097 R)
• M18: 37,296,096 km (0.104 R)
• M19: 38,237,964 km (0.105 R)
• M20: 41,826,966 km (0.116 R)
• M21: 54,329,608 km (0.083 R)
• M22: 58,012,409 km (0.03 R)
• M23: 59,488,341 km (0.074 R)
• M24: 73,425,926 km (0.117 R)
• M25: 75,401,216 km (0.07 R)
• M26: 78,174,462 km (0.078 R)
• M27: 88,554,759 km (0.073 R)
• M28: 100,720,357 km (0.12 R)

Kuiper Belt

Range: 30.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 15,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit