🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.87 AU - 1.99 AU

Year: 974 Days

Day: 35.6 Hours

Environment

Temp: -59 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,218,350 km

• M1: 330,761 km (0.064 R)

Asteroid Belt

Center: 3.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.7

Radius: 13.1

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.02 AU - 6.34 AU

Year: 4285 Days

Day: 8.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,218,350 km

• M1: 176,825 km (0.079 R)
• M2: 983,456 km (0.052 R)
• M3: 2,103,496 km (0.102 R)
• M4: 2,972,659 km (0.072 R)
• M5: 3,400,360 km (0.094 R)
• M6: 4,275,507 km (0.086 R)
• M7: 5,247,145 km (0.108 R)
• M8: 5,746,802 km (0.116 R)
• M9: 12,214,367 km (0.079 R)
• M10: 13,831,071 km (0.109 R)
• M11: 15,084,552 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.7

Radius: 10.5

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.27 AU - 6.81 AU

Year: 4739 Days

Day: 14.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,218,350 km

• M1: 130,599 km (0.116 R)
• M2: 474,973 km (0.105 R)
• M3: 911,201 km (0.095 R)
• M4: 1,512,285 km (0.102 R)
• M5: 2,347,340 km (0.106 R)
• M6: 3,119,864 km (0.107 R)
• M7: 3,626,851 km (0.049 R)
• M8: 4,490,030 km (0.038 R)
• M9: 5,034,268 km (0.103 R)
• M10: 5,961,774 km (0.068 R)
• M11: 7,359,617 km (0.111 R)
• M12: 8,515,709 km (0.117 R)
• M13: 11,052,590 km (0.092 R)
• M14: 11,452,016 km (0.088 R)
• M15: 12,092,744 km (0.06 R)
• M16: 13,546,087 km (0.106 R)
• M17: 15,275,738 km (0.1 R)
• M18: 16,221,944 km (0.083 R)
• M19: 17,384,769 km (0.082 R)
• M20: 19,359,610 km (0.045 R)
• M21: 21,070,860 km (0.064 R)
• M22: 21,686,007 km (0.09 R)
• M23: 22,666,770 km (0.115 R)
• M24: 23,024,010 km (0.056 R)
• M25: 23,970,815 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.1

Radius: 11.2

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.49 AU - 5.91 AU

Year: 4946 Days

Day: 10.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,218,350 km

• M1: 139,276 km (0.063 R)
• M2: 580,889 km (0.087 R)
• M3: 1,421,030 km (0.083 R)
• M4: 2,209,860 km (0.05 R)
• M5: 2,650,276 km (0.058 R)
• M6: 5,078,997 km (0.072 R)
• M7: 5,878,598 km (0.078 R)
• M8: 6,364,193 km (0.119 R)
• M9: 10,705,523 km (0.069 R)
• M10: 11,064,259 km (0.11 R)
• M11: 15,059,419 km (0.073 R)
• M12: 16,864,467 km (0.103 R)
• M13: 18,352,368 km (0.114 R)
• M14: 20,287,566 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528

Radius: 14.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.91 AU - 8.23 AU

Year: 6832 Days

Day: 11.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,218,350 km

• M1: 184,454 km (0.094 R)
• M2: 967,749 km (0.071 R)
• M3: 1,480,570 km (0.096 R)
• M4: 2,102,897 km (0.084 R)
• M5: 2,785,812 km (0.077 R)
• M6: 3,932,928 km (0.096 R)
• M7: 5,611,865 km (0.069 R)
• M8: 8,824,330 km (0.083 R)
• M9: 9,624,678 km (0.111 R)
• M10: 10,290,389 km (0.1 R)
• M11: 11,225,675 km (0.077 R)
• M12: 12,681,860 km (0.056 R)
• M13: 13,266,040 km (0.035 R)
• M14: 14,147,770 km (0.084 R)
• M15: 17,028,726 km (0.057 R)
• M16: 18,270,388 km (0.095 R)
• M17: 19,085,248 km (0.08 R)
• M18: 24,985,238 km (0.089 R)
• M19: 30,277,412 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.6

Radius: 7.5

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 11.54 AU - 15.64 AU

Year: 18208 Days

Day: 22.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,218,350 km

• M1: 93,349 km (0.081 R)
• M2: 408,552 km (0.076 R)
• M3: 837,598 km (0.117 R)
• M4: 1,736,233 km (0.11 R)
• M5: 2,171,563 km (0.12 R)
• M6: 2,826,951 km (0.091 R)
• M7: 3,405,895 km (0.11 R)
• M8: 4,006,081 km (0.096 R)
• M9: 4,523,391 km (0.111 R)
• M10: 7,168,880 km (0.095 R)
• M11: 9,917,441 km (0.1 R)
• M12: 15,247,763 km (0.057 R)
• M13: 22,223,512 km (0.087 R)
• M14: 24,111,736 km (0.114 R)
• M15: 24,483,188 km (0.08 R)
• M16: 24,858,379 km (0.073 R)
• M17: 26,594,612 km (0.119 R)
• M18: 27,999,635 km (0.057 R)
• M19: 30,957,035 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.5

Radius: 7.4

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 12.96 AU - 15.34 AU

Year: 19345 Days

Day: 19.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,218,350 km

• M1: 92,451 km (0.073 R)
• M2: 372,648 km (0.094 R)
• M3: 1,014,573 km (0.067 R)
• M4: 1,265,897 km (0.117 R)
• M5: 2,166,626 km (0.117 R)
• M6: 2,665,385 km (0.043 R)
• M7: 4,143,861 km (0.08 R)
• M8: 5,029,181 km (0.088 R)
• M9: 6,514,538 km (0.063 R)
• M10: 9,170,050 km (0.101 R)
• M11: 11,261,129 km (0.068 R)
• M12: 16,425,098 km (0.116 R)
• M13: 17,495,770 km (0.058 R)
• M14: 18,399,491 km (0.05 R)
• M15: 19,043,061 km (0.091 R)
• M16: 22,166,066 km (0.081 R)
• M17: 23,223,424 km (0.094 R)
• M18: 26,778,617 km (0.08 R)
• M19: 28,923,701 km (0.115 R)
• M20: 30,382,879 km (0.116 R)
• M21: 36,599,418 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.8

Radius: 5.5

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 13.36 AU - 16.22 AU

Year: 20672 Days

Day: 22.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,218,350 km

• M1: 68,516 km (0.076 R)
• M2: 247,435 km (0.114 R)
• M3: 485,295 km (0.058 R)
• M4: 1,033,123 km (0.067 R)
• M5: 1,593,666 km (0.077 R)
• M6: 2,573,981 km (0.099 R)
• M7: 3,403,352 km (0.064 R)
• M8: 3,588,554 km (0.11 R)
• M9: 4,618,236 km (0.114 R)
• M10: 5,353,809 km (0.086 R)
• M11: 8,867,563 km (0.092 R)
• M12: 9,904,426 km (0.111 R)
• M13: 12,270,167 km (0.101 R)
• M14: 12,541,986 km (0.058 R)
• M15: 13,041,643 km (0.107 R)
• M16: 13,903,776 km (0.103 R)
• M17: 15,235,945 km (0.064 R)
• M18: 21,261,897 km (0.069 R)
• M19: 21,654,441 km (0.078 R)
• M20: 22,778,969 km (0.104 R)
• M21: 29,668,100 km (0.119 R)
• M22: 31,864,646 km (0.092 R)
• M23: 32,069,595 km (0.11 R)
• M24: 33,107,355 km (0.029 R)
• M25: 33,634,538 km (0.053 R)
• M26: 36,915,967 km (0.118 R)

Kuiper Belt

Range: 30.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 18,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit