🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.48 AU - 0.64 AU

Year: 184 Days

Day: 12.9 Hours

Environment

Temp: 10 °C

Axial Tilt: 9.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.53 AU - 0.71 AU

Year: 215 Days

Day: 24.2 Hours

Environment

Temp: -9 °C

Axial Tilt: 21.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.54 AU - 0.7 AU

Year: 215 Days

Day: 21.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.31 AU - 1.45 AU

Year: 713 Days

Day: 17.8 Hours

Environment

Temp: -96 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,858,715 km

• M1: 81,232 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.08 AU - 1.7 AU

Year: 721 Days

Day: 30.2 Hours

Environment

Temp: -87 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,858,715 km

• M1: 730,786 km (0.113 R)

Asteroid Belt

Center: 2.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 9.3

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.22 AU - 3.92 AU

Year: 2966 Days

Day: 5.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,858,715 km

• M1: 143,764 km (0.053 R)
• M2: 725,998 km (0.103 R)
• M3: 1,088,474 km (0.054 R)
• M4: 1,431,951 km (0.115 R)
• M5: 2,461,184 km (0.069 R)
• M6: 4,422,711 km (0.105 R)
• M7: 5,604,834 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.2

Radius: 13.2

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.22 AU - 5.16 AU

Year: 4466 Days

Day: 7.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,858,715 km

• M1: 164,258 km (0.119 R)
• M2: 670,198 km (0.113 R)
• M3: 1,132,007 km (0.047 R)
• M4: 1,593,965 km (0.065 R)
• M5: 2,272,541 km (0.102 R)
• M6: 2,880,208 km (0.093 R)
• M7: 3,916,921 km (0.098 R)
• M8: 5,161,725 km (0.112 R)
• M9: 6,848,441 km (0.059 R)
• M10: 7,729,572 km (0.116 R)
• M11: 9,635,300 km (0.112 R)
• M12: 10,093,518 km (0.054 R)
• M13: 14,355,412 km (0.102 R)
• M14: 14,789,245 km (0.081 R)
• M15: 15,912,277 km (0.049 R)
• M16: 16,791,314 km (0.073 R)
• M17: 18,903,636 km (0.114 R)
• M18: 19,623,501 km (0.027 R)
• M19: 20,703,149 km (0.12 R)
• M20: 21,327,570 km (0.096 R)
• M21: 22,614,112 km (0.092 R)
• M22: 23,575,128 km (0.063 R)
• M23: 28,112,731 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.5

Radius: 7

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.35 AU - 11.49 AU

Year: 13738 Days

Day: 15.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,858,715 km

• M1: 87,515 km (0.118 R)
• M2: 383,120 km (0.103 R)
• M3: 601,683 km (0.05 R)
• M4: 840,441 km (0.081 R)
• M5: 1,109,119 km (0.119 R)
• M6: 1,651,411 km (0.116 R)
• M7: 1,872,965 km (0.038 R)
• M8: 2,578,020 km (0.081 R)
• M9: 2,923,142 km (0.096 R)
• M10: 3,154,122 km (0.076 R)
• M11: 3,840,028 km (0.042 R)
• M12: 4,061,283 km (0.12 R)
• M13: 4,320,387 km (0.116 R)
• M14: 5,164,866 km (0.066 R)
• M15: 6,650,673 km (0.062 R)
• M16: 7,052,492 km (0.095 R)
• M17: 7,860,321 km (0.095 R)
• M18: 8,355,340 km (0.057 R)
• M19: 9,862,688 km (0.104 R)
• M20: 10,871,277 km (0.112 R)
• M21: 13,723,361 km (0.105 R)
• M22: 14,374,710 km (0.118 R)
• M23: 19,119,954 km (0.062 R)
• M24: 19,686,033 km (0.095 R)
• M25: 20,097,128 km (0.101 R)
• M26: 21,192,932 km (0.04 R)
• M27: 31,320,708 km (0.086 R)
• M28: 32,334,233 km (0.081 R)
• M29: 33,253,363 km (0.075 R)
• M30: 33,485,838 km (0.112 R)
• M31: 37,605,763 km (0.097 R)
• M32: 38,366,319 km (0.1 R)
• M33: 43,284,199 km (0.09 R)
• M34: 43,979,380 km (0.066 R)
• M35: 44,259,577 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.9

Radius: 8

Gravity: 12.9 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.59 AU - 12.91 AU

Year: 15498 Days

Day: 17.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,858,715 km

• M1: 99,483 km (0.09 R)
• M2: 353,500 km (0.058 R)
• M3: 637,137 km (0.038 R)
• M4: 1,284,747 km (0.089 R)
• M5: 1,868,777 km (0.058 R)
• M6: 3,611,592 km (0.071 R)
• M7: 8,525,433 km (0.094 R)
• M8: 9,256,219 km (0.09 R)
• M9: 10,961,934 km (0.113 R)
• M10: 12,274,206 km (0.033 R)
• M11: 12,601,377 km (0.114 R)
• M12: 13,137,087 km (0.101 R)
• M13: 20,162,502 km (0.106 R)
• M14: 22,123,879 km (0.109 R)
• M15: 23,200,386 km (0.07 R)
• M16: 33,354,491 km (0.116 R)
• M17: 36,356,023 km (0.036 R)
• M18: 38,407,907 km (0.108 R)
• M19: 47,388,716 km (0.118 R)
• M20: 48,357,063 km (0.118 R)
• M21: 62,172,576 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.6

Radius: 6.2

Gravity: 12.61 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 9.08 AU - 13.42 AU

Year: 16592 Days

Day: 17.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,858,715 km

• M1: 77,043 km (0.096 R)
• M2: 365,617 km (0.117 R)
• M3: 562,638 km (0.051 R)
• M4: 872,904 km (0.103 R)
• M5: 1,103,733 km (0.114 R)
• M6: 2,110,377 km (0.113 R)
• M7: 2,729,114 km (0.075 R)
• M8: 3,008,114 km (0.071 R)
• M9: 3,462,144 km (0.078 R)
• M10: 4,443,206 km (0.045 R)
• M11: 4,863,427 km (0.056 R)
• M12: 5,239,366 km (0.103 R)
• M13: 5,745,456 km (0.045 R)
• M14: 7,110,387 km (0.082 R)
• M15: 8,876,838 km (0.091 R)
• M16: 9,078,347 km (0.098 R)
• M17: 9,915,197 km (0.103 R)
• M18: 10,463,623 km (0.067 R)
• M19: 10,745,316 km (0.104 R)
• M20: 11,620,912 km (0.073 R)
• M21: 14,118,897 km (0.057 R)
• M22: 16,646,653 km (0.119 R)
• M23: 17,737,072 km (0.07 R)
• M24: 25,805,184 km (0.103 R)
• M25: 31,379,201 km (0.072 R)
• M26: 38,101,530 km (0.119 R)
• M27: 39,172,651 km (0.037 R)
• M28: 44,535,286 km (0.066 R)
• M29: 48,942,589 km (0.036 R)
• M30: 51,819,506 km (0.037 R)
• M31: 54,133,485 km (0.115 R)
• M32: 54,469,632 km (0.094 R)
• M33: 54,976,320 km (0.042 R)
• M34: 56,171,008 km (0.069 R)
• M35: 57,208,619 km (0.074 R)
• M36: 59,858,746 km (0.08 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 10,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit