🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.56 AU - 0.9 AU

Year: 223 Days

Day: 20.3 Hours

Environment

Temp: 214 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.63 AU - 0.85 AU

Year: 228 Days

Day: 21.8 Hours

Environment

Temp: 191 °C

Axial Tilt: 4.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.11 AU - 1.67 AU

Year: 587 Days

Day: 30.3 Hours

Environment

Temp: 5 °C

Axial Tilt: 34.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.84 AU - 1.92 AU

Year: 923 Days

Day: 24.5 Hours

Environment

Temp: -63 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.19 AU - 4.89 AU

Year: 3465 Days

Day: 13.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.2

Radius: 11.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.32 AU - 5.62 AU

Year: 4582 Days

Day: 10.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,734,564 km

• M1: 156,779 km (0.095 R)
• M2: 634,445 km (0.061 R)
• M3: 1,021,155 km (0.108 R)
• M4: 1,875,060 km (0.091 R)
• M5: 2,510,402 km (0.076 R)
• M6: 4,550,468 km (0.089 R)
• M7: 5,104,279 km (0.086 R)
• M8: 5,866,181 km (0.118 R)
• M9: 6,260,372 km (0.078 R)
• M10: 6,915,760 km (0.101 R)
• M11: 7,782,231 km (0.083 R)
• M12: 8,469,633 km (0.11 R)
• M13: 8,974,526 km (0.1 R)
• M14: 10,652,266 km (0.113 R)
• M15: 11,587,402 km (0.087 R)
• M16: 12,622,620 km (0.108 R)
• M17: 13,475,028 km (0.103 R)
• M18: 14,114,260 km (0.107 R)
• M19: 15,294,587 km (0.093 R)
• M20: 15,827,904 km (0.085 R)
• M21: 17,101,580 km (0.106 R)
• M22: 18,145,175 km (0.054 R)
• M23: 18,622,541 km (0.098 R)
• M24: 19,477,792 km (0.117 R)
• M25: 23,795,935 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514

Radius: 15

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.81 AU - 11.03 AU

Year: 9542 Days

Day: 11.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,734,564 km

• M1: 186,549 km (0.12 R)
• M2: 671,694 km (0.112 R)
• M3: 1,276,519 km (0.061 R)
• M4: 1,795,174 km (0.083 R)
• M5: 2,641,450 km (0.103 R)
• M6: 3,504,929 km (0.069 R)
• M7: 4,439,616 km (0.091 R)
• M8: 5,011,080 km (0.084 R)
• M9: 5,567,285 km (0.1 R)
• M10: 8,344,569 km (0.108 R)
• M11: 9,820,502 km (0.038 R)
• M12: 10,695,799 km (0.101 R)
• M13: 12,490,674 km (0.085 R)
• M14: 12,997,811 km (0.111 R)
• M15: 15,808,456 km (0.099 R)
• M16: 16,874,789 km (0.114 R)
• M17: 17,775,967 km (0.107 R)
• M18: 24,044,866 km (0.056 R)
• M19: 28,925,795 km (0.092 R)
• M20: 39,502,066 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.2

Radius: 4

Gravity: 40.58 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 12.78 AU - 18.7 AU

Year: 22366 Days

Day: 17.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 91,734,564 km

• M1: 49,816 km (0.112 R)
• M2: 300,243 km (0.117 R)
• M3: 438,172 km (0.087 R)
• M4: 1,233,135 km (0.112 R)
• M5: 1,760,169 km (0.102 R)
• M6: 2,401,046 km (0.052 R)
• M7: 3,354,283 km (0.078 R)
• M8: 3,711,224 km (0.115 R)
• M9: 4,430,640 km (0.101 R)
• M10: 5,435,190 km (0.114 R)
• M11: 6,227,311 km (0.115 R)
• M12: 10,352,173 km (0.106 R)
• M13: 10,724,522 km (0.069 R)
• M14: 12,933,634 km (0.069 R)
• M15: 14,641,144 km (0.11 R)
• M16: 18,768,399 km (0.108 R)
• M17: 19,602,258 km (0.067 R)
• M18: 21,744,051 km (0.049 R)
• M19: 23,185,276 km (0.076 R)
• M20: 23,502,274 km (0.116 R)
• M21: 24,470,322 km (0.111 R)
• M22: 25,802,042 km (0.094 R)
• M23: 27,298,470 km (0.117 R)
• M24: 32,002,575 km (0.119 R)
• M25: 33,458,761 km (0.092 R)
• M26: 33,593,399 km (0.083 R)
• M27: 35,097,156 km (0.048 R)
• M28: 36,360,361 km (0.073 R)
• M29: 38,977,276 km (0.065 R)
• M30: 41,251,762 km (0.032 R)
• M31: 41,561,580 km (0.114 R)
• M32: 42,185,702 km (0.112 R)
• M33: 54,702,855 km (0.063 R)
• M34: 56,780,470 km (0.111 R)
• M35: 57,548,805 km (0.102 R)
• M36: 69,920,100 km (0.054 R)
• M37: 75,789,872 km (0.105 R)
• M38: 79,321,279 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.9

Radius: 3.3

Gravity: 77.22 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 14.34 AU - 18.56 AU

Year: 23896 Days

Day: 24.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 91,734,564 km

• M1: 44,580 km (0.079 R)
• M2: 156,479 km (0.064 R)
• M3: 281,992 km (0.094 R)
• M4: 796,758 km (0.104 R)
• M5: 1,615,807 km (0.029 R)
• M6: 2,075,521 km (0.088 R)
• M7: 3,159,806 km (0.111 R)
• M8: 5,233,083 km (0.085 R)
• M9: 5,355,604 km (0.097 R)
• M10: 6,547,450 km (0.104 R)
• M11: 6,834,379 km (0.106 R)
• M12: 7,798,687 km (0.084 R)
• M13: 9,379,786 km (0.1 R)
• M14: 10,181,631 km (0.11 R)
• M15: 10,762,819 km (0.117 R)
• M16: 11,028,056 km (0.11 R)
• M17: 12,638,627 km (0.065 R)
• M18: 13,614,902 km (0.114 R)
• M19: 16,230,322 km (0.12 R)
• M20: 16,491,370 km (0.043 R)
• M21: 16,755,261 km (0.115 R)
• M22: 18,682,081 km (0.088 R)
• M23: 18,872,968 km (0.06 R)
• M24: 22,750,994 km (0.12 R)
• M25: 23,297,774 km (0.087 R)
• M26: 23,741,481 km (0.032 R)
• M27: 29,771,921 km (0.093 R)
• M28: 34,408,258 km (0.066 R)
• M29: 35,128,273 km (0.065 R)
• M30: 36,449,372 km (0.092 R)
• M31: 37,348,305 km (0.089 R)
• M32: 39,975,393 km (0.105 R)
• M33: 42,229,235 km (0.095 R)
• M34: 44,227,264 km (0.088 R)
• M35: 44,396,609 km (0.095 R)
• M36: 49,132,578 km (0.098 R)
• M37: 51,903,729 km (0.075 R)
• M38: 54,000,942 km (0.073 R)
• M39: 58,975,669 km (0.083 R)
• M40: 59,386,465 km (0.1 R)
• M41: 66,441,052 km (0.058 R)
• M42: 71,209,185 km (0.053 R)
• M43: 74,272,201 km (0.047 R)
• M44: 82,183,834 km (0.077 R)

Kuiper Belt

Range: 30.6 - 49.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 19,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit