🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.72 AU - 0.9 AU

Year: 264 Days

Day: 38.3 Hours

Environment

Temp: 109 °C

Axial Tilt: 17.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 102,391,091 km

• M1: 42,635 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.67 AU - 4.69 AU

Year: 3091 Days

Day: 44.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.95 AU - 4.81 AU

Year: 3315 Days

Day: 40.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 102,391,091 km

• M1: 2,559,620 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.5

Radius: 11.2

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.06 AU - 6.3 AU

Year: 5556 Days

Day: 13.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 102,391,091 km

• M1: 139,425 km (0.096 R)
• M2: 787,483 km (0.065 R)
• M3: 1,778,120 km (0.089 R)
• M4: 2,522,818 km (0.108 R)
• M5: 3,340,221 km (0.084 R)
• M6: 4,474,323 km (0.114 R)
• M7: 5,729,598 km (0.075 R)
• M8: 6,966,623 km (0.101 R)
• M9: 8,723,949 km (0.066 R)
• M10: 10,311,482 km (0.11 R)
• M11: 10,714,199 km (0.117 R)
• M12: 13,198,123 km (0.104 R)
• M13: 14,939,442 km (0.089 R)
• M14: 15,397,810 km (0.046 R)
• M15: 15,983,784 km (0.119 R)
• M16: 17,959,673 km (0.11 R)
• M17: 20,793,356 km (0.104 R)
• M18: 21,509,631 km (0.066 R)
• M19: 30,785,297 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.9

Radius: 14.6

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.13 AU - 11.05 AU

Year: 9911 Days

Day: 14.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 102,391,091 km

• M1: 195,375 km (0.051 R)
• M2: 859,889 km (0.088 R)
• M3: 1,915,900 km (0.111 R)
• M4: 2,470,758 km (0.07 R)
• M5: 3,608,450 km (0.05 R)
• M6: 4,761,999 km (0.114 R)
• M7: 5,455,086 km (0.085 R)
• M8: 6,725,023 km (0.098 R)
• M9: 9,575,909 km (0.111 R)
• M10: 11,219,242 km (0.087 R)
• M11: 13,543,544 km (0.072 R)
• M12: 15,983,635 km (0.094 R)
• M13: 17,208,542 km (0.089 R)
• M14: 18,704,222 km (0.091 R)
• M15: 22,030,979 km (0.106 R)
• M16: 22,900,592 km (0.057 R)
• M17: 26,876,604 km (0.086 R)
• M18: 28,700,202 km (0.081 R)
• M19: 30,314,064 km (0.082 R)
• M20: 31,687,971 km (0.073 R)
• M21: 34,139,281 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.5

Radius: 5

Gravity: 29.26 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 18.88 AU - 19.34 AU

Year: 30212 Days

Day: 21 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 102,391,091 km

• M1: 77,342 km (0.11 R)
• M2: 374,144 km (0.068 R)
• M3: 820,993 km (0.037 R)
• M4: 2,076,269 km (0.105 R)
• M5: 2,308,445 km (0.09 R)
• M6: 2,797,480 km (0.087 R)
• M7: 3,140,209 km (0.104 R)
• M8: 5,811,279 km (0.069 R)
• M9: 6,562,260 km (0.119 R)
• M10: 7,917,467 km (0.109 R)
• M11: 8,601,878 km (0.097 R)
• M12: 9,079,544 km (0.108 R)
• M13: 10,350,826 km (0.119 R)
• M14: 10,822,508 km (0.035 R)
• M15: 11,168,079 km (0.048 R)
• M16: 12,473,321 km (0.084 R)
• M17: 12,700,410 km (0.061 R)
• M18: 16,902,166 km (0.099 R)
• M19: 18,715,142 km (0.064 R)
• M20: 21,726,099 km (0.088 R)
• M21: 22,275,871 km (0.048 R)
• M22: 29,749,631 km (0.051 R)
• M23: 35,766,158 km (0.087 R)
• M24: 42,545,186 km (0.092 R)
• M25: 43,059,802 km (0.094 R)
• M26: 46,054,452 km (0.032 R)
• M27: 46,596,894 km (0.055 R)
• M28: 51,867,377 km (0.095 R)
• M29: 55,050,371 km (0.073 R)
• M30: 60,929,866 km (0.107 R)
• M31: 62,462,347 km (0.083 R)
• M32: 63,572,662 km (0.102 R)
• M33: 63,796,311 km (0.11 R)
• M34: 68,145,570 km (0.058 R)
• M35: 70,273,001 km (0.104 R)
• M36: 74,908,890 km (0.09 R)
• M37: 79,744,491 km (0.116 R)
• M38: 81,313,623 km (0.114 R)
• M39: 81,841,255 km (0.083 R)
• M40: 86,692,864 km (0.088 R)
• M41: 97,557,409 km (0.048 R)

Kuiper Belt

Range: 30.3 - 54.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 18,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit