🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.72 AU - 0.82 AU

Year: 246 Days

Day: 18.5 Hours

Environment

Temp: 146 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 72,938,027 km

• M1: 24,235 km (0.079 R)
• M2: 101,577 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.95 AU - 1.47 AU

Year: 484 Days

Day: 21.5 Hours

Environment

Temp: 13 °C

Axial Tilt: 41.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.05 AU - 1.57 AU

Year: 545 Days

Day: 45.8 Hours

Environment

Temp: -14 °C

Axial Tilt: 26.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.21 AU - 1.69 AU

Year: 635 Days

Day: 13.6 Hours

Environment

Temp: -31 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.79 AU - 4.07 AU

Year: 2309 Days

Day: 12.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.23 AU - 3.73 AU

Year: 2359 Days

Day: 24.2 Hours

Environment

Temp: -107 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,938,027 km

• M1: 201,359 km (0.097 R)
• M2: 392,246 km (0.102 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.63 AU - 5.17 AU

Year: 3354 Days

Day: 19.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.12 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 13.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.7

Radius: 3.6

Gravity: 21.35 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 10.77 AU - 16.91 AU

Year: 18713 Days

Day: 19.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,938,027 km

• M1: 44,730 km (0.11 R)
• M2: 212,130 km (0.114 R)
• M3: 507,885 km (0.103 R)
• M4: 665,411 km (0.11 R)
• M5: 806,632 km (0.117 R)
• M6: 1,424,920 km (0.059 R)
• M7: 1,585,139 km (0.074 R)
• M8: 1,873,265 km (0.108 R)
• M9: 2,084,048 km (0.111 R)
• M10: 2,233,197 km (0.108 R)
• M11: 2,449,964 km (0.116 R)
• M12: 2,745,869 km (0.12 R)
• M13: 3,112,683 km (0.077 R)
• M14: 5,733,937 km (0.095 R)
• M15: 6,927,429 km (0.095 R)
• M16: 7,517,143 km (0.095 R)
• M17: 10,106,084 km (0.083 R)
• M18: 10,265,256 km (0.094 R)
• M19: 10,426,074 km (0.098 R)
• M20: 11,086,100 km (0.086 R)
• M21: 13,551,622 km (0.112 R)
• M22: 14,605,390 km (0.099 R)
• M23: 16,069,654 km (0.088 R)
• M24: 20,872,942 km (0.044 R)
• M25: 21,217,616 km (0.065 R)
• M26: 22,816,069 km (0.059 R)
• M27: 23,089,983 km (0.102 R)
• M28: 23,644,542 km (0.108 R)
• M29: 26,955,741 km (0.089 R)
• M30: 28,615,530 km (0.119 R)
• M31: 29,686,800 km (0.092 R)
• M32: 30,013,372 km (0.106 R)
• M33: 34,839,699 km (0.115 R)
• M34: 36,308,002 km (0.071 R)
• M35: 36,931,675 km (0.085 R)
• M36: 41,094,086 km (0.102 R)
• M37: 41,907,749 km (0.087 R)
• M38: 43,567,388 km (0.115 R)
• M39: 46,283,786 km (0.104 R)
• M40: 49,111,036 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.9

Radius: 4.2

Gravity: 37.75 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 10.75 AU - 17.25 AU

Year: 19038 Days

Day: 17.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,938,027 km

• M1: 52,210 km (0.074 R)
• M2: 187,895 km (0.119 R)
• M3: 652,995 km (0.065 R)
• M4: 817,852 km (0.067 R)
• M5: 1,137,243 km (0.111 R)
• M6: 2,059,813 km (0.055 R)
• M7: 2,373,969 km (0.116 R)
• M8: 2,841,761 km (0.071 R)
• M9: 6,176,597 km (0.109 R)
• M10: 9,494,827 km (0.112 R)
• M11: 11,915,919 km (0.083 R)
• M12: 12,989,733 km (0.089 R)
• M13: 14,346,735 km (0.091 R)
• M14: 16,433,775 km (0.102 R)
• M15: 20,068,554 km (0.089 R)
• M16: 20,627,901 km (0.089 R)
• M17: 22,269,438 km (0.075 R)
• M18: 23,891,977 km (0.109 R)
• M19: 26,138,787 km (0.104 R)
• M20: 30,555,664 km (0.119 R)
• M21: 33,848,313 km (0.117 R)
• M22: 38,073,855 km (0.113 R)
• M23: 39,074,365 km (0.077 R)
• M24: 39,653,908 km (0.115 R)
• M25: 40,830,046 km (0.096 R)
• M26: 44,655,413 km (0.049 R)
• M27: 45,448,132 km (0.054 R)
• M28: 54,976,918 km (0.083 R)
• M29: 62,740,300 km (0.043 R)
• M30: 63,335,400 km (0.12 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 17,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit