🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.4

Radius: 9.4

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.46 AU - 0.72 AU

Year: 302 Days

Day: 6 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,699,311 km

• M1: 116,836 km (0.108 R)
• M2: 409,749 km (0.088 R)
• M3: 767,138 km (0.025 R)
• M4: 1,180,776 km (0.065 R)
• M5: 1,526,048 km (0.11 R)
• M6: 1,830,779 km (0.117 R)
• M7: 2,873,925 km (0.055 R)
• M8: 3,248,518 km (0.073 R)
• M9: 3,949,683 km (0.079 R)
• M10: 4,310,663 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.3

Radius: 10.3

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.12 AU - 1.6 AU

Year: 1058 Days

Day: 6.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,699,311 km

• M1: 128,205 km (0.116 R)
• M2: 517,309 km (0.069 R)
• M3: 1,056,460 km (0.109 R)
• M4: 1,550,133 km (0.112 R)
• M5: 2,073,277 km (0.113 R)
• M6: 2,605,995 km (0.12 R)
• M7: 5,313,268 km (0.045 R)
• M8: 5,679,782 km (0.109 R)
• M9: 7,295,140 km (0.105 R)
• M10: 8,095,339 km (0.073 R)
• M11: 9,362,284 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.8

Radius: 14.7

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.68 AU - 1.94 AU

Year: 1624 Days

Day: 14.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,699,311 km

• M1: 182,809 km (0.117 R)
• M2: 722,857 km (0.076 R)
• M3: 1,281,755 km (0.05 R)
• M4: 1,755,830 km (0.111 R)
• M5: 2,303,059 km (0.072 R)
• M6: 3,091,290 km (0.108 R)
• M7: 4,019,396 km (0.075 R)
• M8: 4,502,896 km (0.075 R)
• M9: 5,741,267 km (0.072 R)
• M10: 6,333,974 km (0.097 R)
• M11: 7,093,781 km (0.116 R)
• M12: 7,723,289 km (0.059 R)
• M13: 9,307,680 km (0.06 R)
• M14: 11,519,485 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626

Radius: 14.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.09 AU - 2.85 AU

Year: 2589 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,699,311 km

• M1: 184,155 km (0.084 R)
• M2: 720,164 km (0.113 R)
• M3: 1,372,560 km (0.055 R)
• M4: 1,946,418 km (0.092 R)
• M5: 2,412,266 km (0.088 R)
• M6: 2,875,869 km (0.081 R)
• M7: 3,365,204 km (0.025 R)
• M8: 4,306,624 km (0.091 R)
• M9: 4,773,668 km (0.073 R)
• M10: 5,989,300 km (0.118 R)
• M11: 7,492,310 km (0.041 R)
• M12: 8,560,140 km (0.104 R)
• M13: 10,804,706 km (0.055 R)
• M14: 11,273,247 km (0.068 R)
• M15: 12,125,805 km (0.096 R)
• M16: 16,428,539 km (0.068 R)
• M17: 17,259,555 km (0.063 R)
• M18: 18,837,364 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731

Radius: 10.5

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.05 AU - 3.09 AU

Year: 2747 Days

Day: 6.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,699,311 km

• M1: 130,749 km (0.108 R)
• M2: 517,758 km (0.05 R)
• M3: 863,180 km (0.076 R)
• M4: 1,224,010 km (0.116 R)
• M5: 1,590,225 km (0.072 R)
• M6: 1,992,644 km (0.106 R)
• M7: 2,779,828 km (0.109 R)
• M8: 3,423,996 km (0.092 R)
• M9: 5,347,974 km (0.088 R)
• M10: 5,884,731 km (0.049 R)
• M11: 6,598,612 km (0.06 R)
• M12: 6,976,796 km (0.089 R)
• M13: 10,544,705 km (0.083 R)
• M14: 14,196,688 km (0.068 R)
• M15: 15,076,623 km (0.025 R)
• M16: 16,891,096 km (0.079 R)
• M17: 17,545,437 km (0.111 R)
• M18: 19,196,698 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.4

Radius: 6.4

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.43 AU - 6.25 AU

Year: 9411 Days

Day: 15.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,699,311 km

• M1: 80,035 km (0.096 R)
• M2: 572,212 km (0.094 R)
• M3: 927,357 km (0.074 R)
• M4: 1,126,472 km (0.102 R)
• M5: 1,891,515 km (0.089 R)
• M6: 3,612,938 km (0.086 R)
• M7: 3,812,951 km (0.059 R)
• M8: 4,162,710 km (0.088 R)
• M9: 5,089,918 km (0.108 R)
• M10: 8,262,739 km (0.071 R)
• M11: 8,929,048 km (0.105 R)
• M12: 9,758,120 km (0.063 R)
• M13: 11,378,115 km (0.116 R)
• M14: 16,377,376 km (0.072 R)
• M15: 17,552,917 km (0.117 R)
• M16: 18,454,244 km (0.116 R)
• M17: 19,658,058 km (0.079 R)
• M18: 19,863,755 km (0.105 R)
• M19: 20,771,365 km (0.051 R)
• M20: 21,415,683 km (0.032 R)
• M21: 22,970,753 km (0.067 R)
• M22: 26,553,921 km (0.066 R)
• M23: 30,310,025 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115

Radius: 6.2

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.53 AU - 8.05 AU

Year: 13126 Days

Day: 23.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,699,311 km

• M1: 77,342 km (0.088 R)
• M2: 361,728 km (0.076 R)
• M3: 658,979 km (0.092 R)
• M4: 1,223,860 km (0.116 R)
• M5: 1,731,446 km (0.098 R)
• M6: 1,938,489 km (0.039 R)
• M7: 2,487,513 km (0.034 R)
• M8: 2,734,200 km (0.059 R)
• M9: 3,402,304 km (0.102 R)
• M10: 4,679,122 km (0.066 R)
• M11: 5,690,254 km (0.116 R)
• M12: 7,254,749 km (0.117 R)
• M13: 8,641,671 km (0.026 R)
• M14: 11,635,872 km (0.109 R)
• M15: 12,480,053 km (0.099 R)
• M16: 13,794,719 km (0.116 R)
• M17: 16,758,253 km (0.107 R)
• M18: 17,007,184 km (0.102 R)
• M19: 23,828,248 km (0.066 R)
• M20: 26,091,365 km (0.108 R)
• M21: 28,759,742 km (0.034 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 20,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit