🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.23 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.9 AU - 3 AU

Year: 1342 Days

Day: 39.4 Hours

Environment

Temp: -76 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448

Radius: 13.8

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.78 AU - 6.86 AU

Year: 6231 Days

Day: 9.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 95,017,872 km

• M1: 172,486 km (0.088 R)
• M2: 885,171 km (0.055 R)
• M3: 1,316,461 km (0.102 R)
• M4: 1,750,445 km (0.062 R)
• M5: 2,360,056 km (0.079 R)
• M6: 3,810,108 km (0.112 R)
• M7: 4,513,966 km (0.11 R)
• M8: 5,528,838 km (0.117 R)
• M9: 6,244,963 km (0.082 R)
• M10: 7,022,124 km (0.088 R)
• M11: 7,826,661 km (0.119 R)
• M12: 8,691,786 km (0.114 R)
• M13: 10,086,337 km (0.112 R)
• M14: 10,523,761 km (0.111 R)
• M15: 12,155,575 km (0.054 R)
• M16: 15,336,475 km (0.025 R)
• M17: 17,304,285 km (0.051 R)
• M18: 18,576,016 km (0.036 R)
• M19: 21,021,044 km (0.103 R)
• M20: 21,664,315 km (0.11 R)
• M21: 26,873,911 km (0.089 R)
• M22: 27,887,885 km (0.08 R)
• M23: 28,752,112 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.4

Radius: 13.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.71 AU - 8.95 AU

Year: 7665 Days

Day: 14.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 52.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 95,017,872 km

• M1: 175,329 km (0.107 R)
• M2: 988,692 km (0.111 R)
• M3: 1,553,275 km (0.056 R)
• M4: 2,061,010 km (0.048 R)
• M5: 2,473,750 km (0.12 R)
• M6: 3,287,264 km (0.107 R)
• M7: 5,970,601 km (0.078 R)
• M8: 14,297,667 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.9

Radius: 11.4

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 10.95 AU - 11.63 AU

Year: 13271 Days

Day: 14.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 95,017,872 km

• M1: 141,819 km (0.107 R)
• M2: 912,996 km (0.086 R)
• M3: 1,373,159 km (0.118 R)
• M4: 1,769,593 km (0.065 R)
• M5: 3,100,416 km (0.099 R)
• M6: 3,499,992 km (0.081 R)
• M7: 4,193,677 km (0.114 R)
• M8: 4,684,358 km (0.045 R)
• M9: 5,744,558 km (0.088 R)
• M10: 7,648,042 km (0.091 R)
• M11: 10,426,074 km (0.089 R)
• M12: 10,871,576 km (0.079 R)
• M13: 11,504,824 km (0.098 R)
• M14: 12,407,947 km (0.106 R)
• M15: 14,354,963 km (0.056 R)
• M16: 17,027,080 km (0.083 R)
• M17: 18,682,979 km (0.084 R)
• M18: 19,341,060 km (0.062 R)
• M19: 19,929,728 km (0.104 R)
• M20: 23,147,129 km (0.073 R)
• M21: 23,715,152 km (0.039 R)
• M22: 27,742,626 km (0.087 R)
• M23: 28,276,092 km (0.095 R)
• M24: 28,816,439 km (0.09 R)
• M25: 31,391,168 km (0.092 R)
• M26: 32,912,429 km (0.074 R)
• M27: 33,872,698 km (0.09 R)
• M28: 37,381,067 km (0.114 R)
• M29: 38,823,191 km (0.11 R)
• M30: 42,802,793 km (0.11 R)
• M31: 45,848,905 km (0.075 R)
• M32: 48,111,274 km (0.116 R)
• M33: 49,660,210 km (0.104 R)
• M34: 50,447,095 km (0.111 R)
• M35: 51,082,437 km (0.104 R)
• M36: 51,723,165 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.7

Radius: 6.7

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 14.71 AU - 22.11 AU

Year: 27635 Days

Day: 23.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 95,017,872 km

• M1: 83,476 km (0.096 R)
• M2: 525,537 km (0.101 R)
• M3: 1,531,284 km (0.116 R)
• M4: 1,790,687 km (0.109 R)
• M5: 2,122,943 km (0.033 R)
• M6: 3,342,316 km (0.117 R)
• M7: 5,089,619 km (0.119 R)
• M8: 5,671,554 km (0.111 R)
• M9: 6,204,871 km (0.104 R)
• M10: 6,483,721 km (0.057 R)
• M11: 7,951,725 km (0.06 R)
• M12: 8,448,989 km (0.088 R)
• M13: 8,850,060 km (0.106 R)
• M14: 10,129,721 km (0.056 R)
• M15: 13,202,162 km (0.118 R)
• M16: 13,431,944 km (0.039 R)
• M17: 13,899,288 km (0.1 R)
• M18: 14,949,166 km (0.073 R)
• M19: 17,296,955 km (0.08 R)
• M20: 17,943,666 km (0.107 R)
• M21: 18,606,235 km (0.116 R)
• M22: 22,165,917 km (0.057 R)
• M23: 24,276,443 km (0.101 R)
• M24: 38,709,197 km (0.063 R)
• M25: 40,133,818 km (0.068 R)
• M26: 42,585,278 km (0.103 R)
• M27: 57,159,102 km (0.056 R)
• M28: 60,256,676 km (0.096 R)
• M29: 61,313,435 km (0.097 R)
• M30: 63,682,018 km (0.085 R)
• M31: 67,915,638 km (0.072 R)
• M32: 70,918,067 km (0.071 R)
• M33: 74,249,014 km (0.091 R)
• M34: 77,185,919 km (0.09 R)
• M35: 78,181,942 km (0.078 R)
• M36: 93,883,136 km (0.07 R)

Kuiper Belt

Range: 31.4 - 54.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 18,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit