🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.55 AU - 0.57 AU

Year: 271 Days

Day: 16.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.2

Radius: 12.8

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.86 AU - 1.28 AU

Year: 715 Days

Day: 6 Hours

Environment

Temp: -167 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,393,599 km

• M1: 160,519 km (0.088 R)
• M2: 676,781 km (0.103 R)
• M3: 1,219,522 km (0.077 R)
• M4: 2,122,943 km (0.096 R)
• M5: 2,652,370 km (0.095 R)
• M6: 3,548,312 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.5

Radius: 9.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.49 AU - 1.87 AU

Year: 1406 Days

Day: 5.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,393,599 km

• M1: 113,096 km (0.088 R)
• M2: 452,982 km (0.088 R)
• M3: 1,076,057 km (0.115 R)
• M4: 1,643,482 km (0.073 R)
• M5: 2,336,719 km (0.075 R)
• M6: 2,670,771 km (0.103 R)
• M7: 3,586,011 km (0.1 R)
• M8: 4,093,147 km (0.091 R)
• M9: 4,404,012 km (0.103 R)
• M10: 4,780,849 km (0.086 R)
• M11: 5,828,034 km (0.112 R)
• M12: 6,592,629 km (0.083 R)
• M13: 7,377,269 km (0.088 R)
• M14: 7,745,430 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.7

Radius: 13.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.12 AU - 3.22 AU

Year: 3644 Days

Day: 13.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,393,599 km

• M1: 165,156 km (0.096 R)
• M2: 609,911 km (0.079 R)
• M3: 1,205,160 km (0.07 R)
• M4: 1,621,641 km (0.074 R)
• M5: 2,080,308 km (0.1 R)
• M6: 2,544,959 km (0.105 R)
• M7: 3,483,237 km (0.087 R)
• M8: 6,247,506 km (0.074 R)
• M9: 7,565,314 km (0.088 R)
• M10: 8,055,397 km (0.116 R)
• M11: 13,171,644 km (0.112 R)
• M12: 14,195,342 km (0.108 R)
• M13: 14,780,718 km (0.037 R)
• M14: 17,829,673 km (0.09 R)
• M15: 19,795,389 km (0.05 R)
• M16: 20,593,942 km (0.05 R)
• M17: 22,684,124 km (0.105 R)
• M18: 25,452,582 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.3

Radius: 14.5

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.48 AU - 3.6 AU

Year: 4301 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,393,599 km

• M1: 180,415 km (0.068 R)
• M2: 776,862 km (0.113 R)
• M3: 1,340,846 km (0.098 R)
• M4: 1,944,623 km (0.11 R)
• M5: 2,579,366 km (0.111 R)
• M6: 3,229,070 km (0.062 R)
• M7: 3,947,140 km (0.115 R)
• M8: 4,526,682 km (0.091 R)
• M9: 5,404,373 km (0.081 R)
• M10: 6,338,013 km (0.102 R)
• M11: 6,930,720 km (0.094 R)
• M12: 7,560,377 km (0.11 R)
• M13: 12,738,558 km (0.11 R)
• M14: 13,319,446 km (0.079 R)
• M15: 16,916,527 km (0.032 R)
• M16: 18,909,620 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.1

Radius: 9.7

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.5 AU - 6.82 AU

Year: 8694 Days

Day: 9.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,393,599 km

• M1: 158,873 km (0.057 R)
• M2: 591,061 km (0.067 R)
• M3: 1,330,374 km (0.057 R)
• M4: 1,971,550 km (0.092 R)
• M5: 2,771,450 km (0.066 R)
• M6: 3,436,263 km (0.105 R)
• M7: 8,988,289 km (0.101 R)
• M8: 10,879,804 km (0.077 R)
• M9: 11,942,548 km (0.102 R)
• M10: 12,474,817 km (0.113 R)
• M11: 19,616,320 km (0.077 R)
• M12: 23,061,709 km (0.118 R)
• M13: 23,887,190 km (0.071 R)
• M14: 24,732,268 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.7

Radius: 4

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.17 AU - 11.75 AU

Year: 18787 Days

Day: 22.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,393,599 km

• M1: 50,115 km (0.113 R)
• M2: 193,131 km (0.107 R)
• M3: 605,871 km (0.119 R)
• M4: 995,723 km (0.087 R)
• M5: 1,803,552 km (0.11 R)
• M6: 2,280,919 km (0.093 R)
• M7: 4,291,365 km (0.095 R)
• M8: 4,851,010 km (0.12 R)
• M9: 6,477,139 km (0.062 R)
• M10: 7,883,509 km (0.1 R)
• M11: 11,829,751 km (0.045 R)
• M12: 14,947,969 km (0.058 R)
• M13: 15,305,059 km (0.107 R)
• M14: 19,758,139 km (0.106 R)
• M15: 25,930,248 km (0.091 R)
• M16: 31,783,863 km (0.098 R)
• M17: 33,171,981 km (0.047 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 11,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit