🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.4 AU - 0.66 AU

Year: 149 Days

Day: 26 Hours

Environment

Temp: 218 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.99 AU - 1.11 AU

Year: 414 Days

Day: 29.8 Hours

Environment

Temp: 8 °C

Axial Tilt: 1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.26 AU - 1.9 AU

Year: 765 Days

Day: 23.2 Hours

Environment

Temp: -72 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,180,483 km

• M1: 219,011 km (0.071 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.1 AU - 4.16 AU

Year: 2663 Days

Day: 30.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.8

Radius: 8.2

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.91 AU - 4.39 AU

Year: 3255 Days

Day: 10.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,180,483 km

• M1: 103,522 km (0.04 R)
• M2: 411,993 km (0.115 R)
• M3: 805,585 km (0.09 R)
• M4: 1,478,775 km (0.094 R)
• M5: 1,947,315 km (0.092 R)
• M6: 2,334,475 km (0.06 R)
• M7: 2,625,293 km (0.1 R)
• M8: 2,940,346 km (0.082 R)
• M9: 3,593,042 km (0.09 R)
• M10: 4,400,272 km (0.111 R)
• M11: 4,737,765 km (0.069 R)
• M12: 5,207,053 km (0.11 R)
• M13: 5,905,526 km (0.114 R)
• M14: 6,343,249 km (0.119 R)
• M15: 6,774,689 km (0.112 R)
• M16: 7,458,651 km (0.094 R)
• M17: 9,472,537 km (0.105 R)
• M18: 10,072,724 km (0.114 R)
• M19: 13,113,151 km (0.066 R)
• M20: 13,903,177 km (0.111 R)
• M21: 15,433,713 km (0.117 R)
• M22: 15,869,791 km (0.118 R)
• M23: 17,539,902 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.1

Radius: 3.1

Gravity: 87.42 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 9.14 AU - 14.62 AU

Year: 15765 Days

Day: 22.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 51,180,483 km

• M1: 39,943 km (0.119 R)
• M2: 155,582 km (0.063 R)
• M3: 259,253 km (0.115 R)
• M4: 379,829 km (0.074 R)
• M5: 883,675 km (0.065 R)
• M6: 1,047,634 km (0.099 R)
• M7: 1,287,738 km (0.104 R)
• M8: 1,680,582 km (0.082 R)
• M9: 1,839,904 km (0.101 R)
• M10: 2,489,608 km (0.081 R)
• M11: 4,319,339 km (0.084 R)
• M12: 4,551,066 km (0.117 R)
• M13: 5,111,610 km (0.042 R)
• M14: 6,452,904 km (0.089 R)
• M15: 8,310,910 km (0.077 R)
• M16: 9,306,783 km (0.08 R)
• M17: 10,204,968 km (0.076 R)
• M18: 11,220,887 km (0.105 R)
• M19: 11,785,171 km (0.067 R)
• M20: 13,802,498 km (0.112 R)
• M21: 14,159,588 km (0.116 R)
• M22: 15,650,032 km (0.099 R)
• M23: 16,274,453 km (0.113 R)
• M24: 18,076,958 km (0.061 R)
• M25: 21,878,988 km (0.086 R)
• M26: 23,457,245 km (0.081 R)
• M27: 25,964,356 km (0.073 R)
• M28: 36,003,720 km (0.105 R)
• M29: 37,640,320 km (0.045 R)
• M30: 40,331,885 km (0.098 R)
• M31: 40,622,404 km (0.109 R)
• M32: 44,527,956 km (0.09 R)
• M33: 45,150,133 km (0.12 R)
• M34: 50,002,789 km (0.079 R)
• M35: 50,674,932 km (0.109 R)
• M36: 54,126,305 km (0.072 R)
• M37: 54,302,830 km (0.11 R)
• M38: 57,731,015 km (0.096 R)
• M39: 63,432,788 km (0.042 R)
• M40: 65,213,901 km (0.068 R)
• M41: 69,498,533 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.4

Radius: 5.5

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 11.55 AU - 15.95 AU

Year: 19630 Days

Day: 17.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,180,483 km

• M1: 68,366 km (0.113 R)
• M2: 407,953 km (0.041 R)
• M3: 936,034 km (0.091 R)
• M4: 1,226,852 km (0.052 R)
• M5: 1,839,156 km (0.084 R)
• M6: 2,042,011 km (0.102 R)
• M7: 2,742,279 km (0.053 R)
• M8: 3,695,217 km (0.097 R)
• M9: 4,481,952 km (0.118 R)
• M10: 4,851,309 km (0.066 R)
• M11: 5,274,073 km (0.09 R)
• M12: 6,457,392 km (0.053 R)
• M13: 8,525,882 km (0.104 R)
• M14: 9,484,206 km (0.112 R)
• M15: 10,196,591 km (0.066 R)
• M16: 12,073,895 km (0.048 R)
• M17: 14,300,360 km (0.071 R)
• M18: 14,696,196 km (0.112 R)
• M19: 20,197,957 km (0.111 R)
• M20: 21,804,338 km (0.113 R)
• M21: 23,585,002 km (0.076 R)
• M22: 24,045,015 km (0.059 R)
• M23: 28,664,448 km (0.111 R)
• M24: 39,609,776 km (0.1 R)
• M25: 41,981,650 km (0.051 R)
• M26: 42,792,770 km (0.058 R)
• M27: 43,476,732 km (0.063 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 15,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit