🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.82 AU - 1.32 AU

Year: 406 Days

Day: 21.2 Hours

Environment

Temp: 26 °C

Axial Tilt: 23.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.03 AU - 1.13 AU

Year: 412 Days

Day: 37.3 Hours

Environment

Temp: 13 °C

Axial Tilt: 142.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.48 AU - 1.5 AU

Year: 668 Days

Day: 32.7 Hours

Environment

Temp: -38 °C

Axial Tilt: 86.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 111,129,581 km

• M1: 38,147 km (0.088 R)
• M2: 76,445 km (0.087 R)

Asteroid Belt

Center: 4.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.8

Radius: 9.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.63 AU - 7.41 AU

Year: 6828 Days

Day: 8.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 111,129,581 km

• M1: 122,371 km (0.1 R)
• M2: 471,832 km (0.116 R)
• M3: 854,802 km (0.083 R)
• M4: 1,346,680 km (0.111 R)
• M5: 1,676,244 km (0.115 R)
• M6: 2,309,642 km (0.107 R)
• M7: 2,626,789 km (0.092 R)
• M8: 3,007,665 km (0.091 R)
• M9: 4,007,129 km (0.117 R)
• M10: 4,965,004 km (0.085 R)
• M11: 6,040,612 km (0.101 R)
• M12: 6,708,417 km (0.077 R)
• M13: 7,044,863 km (0.087 R)
• M14: 7,456,855 km (0.095 R)
• M15: 8,575,698 km (0.07 R)
• M16: 9,381,582 km (0.037 R)
• M17: 13,068,571 km (0.097 R)
• M18: 15,949,227 km (0.086 R)
• M19: 16,550,312 km (0.106 R)
• M20: 18,984,718 km (0.111 R)
• M21: 20,478,153 km (0.027 R)
• M22: 23,208,165 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.8

Radius: 12.4

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.72 AU - 9.5 AU

Year: 7706 Days

Day: 7.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 111,129,581 km

• M1: 154,235 km (0.106 R)
• M2: 552,764 km (0.098 R)
• M3: 1,244,205 km (0.117 R)
• M4: 1,695,841 km (0.064 R)
• M5: 2,804,661 km (0.077 R)
• M6: 3,248,368 km (0.107 R)
• M7: 4,211,928 km (0.07 R)
• M8: 5,330,771 km (0.08 R)
• M9: 9,719,523 km (0.116 R)
• M10: 11,796,091 km (0.099 R)
• M11: 13,899,288 km (0.047 R)
• M12: 14,307,092 km (0.032 R)
• M13: 16,410,587 km (0.104 R)
• M14: 19,589,542 km (0.045 R)
• M15: 20,822,827 km (0.071 R)
• M16: 21,764,246 km (0.089 R)
• M17: 24,462,543 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211

Radius: 9.3

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 9.12 AU - 14.64 AU

Year: 15031 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 111,129,581 km

• M1: 116,088 km (0.117 R)
• M2: 491,429 km (0.104 R)
• M3: 1,465,162 km (0.107 R)
• M4: 2,847,147 km (0.106 R)
• M5: 4,713,231 km (0.086 R)
• M6: 5,636,399 km (0.11 R)
• M7: 8,169,091 km (0.087 R)
• M8: 12,129,246 km (0.057 R)
• M9: 12,799,594 km (0.119 R)
• M10: 18,274,726 km (0.117 R)
• M11: 22,132,107 km (0.108 R)
• M12: 31,723,874 km (0.116 R)
• M13: 32,249,561 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.3

Radius: 3.9

Gravity: 63.79 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 16.47 AU - 20.91 AU

Year: 29661 Days

Day: 20.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 111,129,581 km

• M1: 65,075 km (0.091 R)
• M2: 334,202 km (0.096 R)
• M3: 1,280,408 km (0.11 R)
• M4: 2,283,911 km (0.103 R)
• M5: 2,702,037 km (0.117 R)
• M6: 2,842,659 km (0.09 R)
• M7: 3,231,314 km (0.066 R)
• M8: 6,095,814 km (0.064 R)
• M9: 7,873,635 km (0.116 R)
• M10: 9,903,229 km (0.103 R)
• M11: 11,002,325 km (0.12 R)
• M12: 11,581,269 km (0.105 R)
• M13: 12,333,148 km (0.062 R)
• M14: 13,603,084 km (0.112 R)
• M15: 16,122,312 km (0.119 R)
• M16: 17,249,831 km (0.079 R)
• M17: 18,833,624 km (0.084 R)
• M18: 19,141,048 km (0.097 R)
• M19: 21,166,004 km (0.091 R)
• M20: 23,447,222 km (0.074 R)
• M21: 24,525,075 km (0.096 R)
• M22: 25,137,977 km (0.108 R)
• M23: 25,510,626 km (0.117 R)
• M24: 25,635,690 km (0.11 R)
• M25: 27,824,007 km (0.116 R)
• M26: 29,855,546 km (0.086 R)
• M27: 32,275,142 km (0.057 R)
• M28: 36,539,579 km (0.066 R)
• M29: 40,651,576 km (0.032 R)
• M30: 40,822,117 km (0.119 R)
• M31: 53,577,430 km (0.116 R)
• M32: 53,988,076 km (0.074 R)
• M33: 54,815,801 km (0.094 R)
• M34: 57,564,213 km (0.104 R)
• M35: 58,645,357 km (0.116 R)
• M36: 73,195,695 km (0.111 R)
• M37: 83,480,399 km (0.117 R)
• M38: 84,032,266 km (0.095 R)
• M39: 85,983,171 km (0.11 R)
• M40: 88,249,430 km (0.112 R)
• M41: 93,196,781 km (0.103 R)
• M42: 104,277,345 km (0.104 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 16,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit