🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.48 AU - 0.74 AU

Year: 167 Days

Day: 27.7 Hours

Environment

Temp: 189 °C

Axial Tilt: 46.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.62 AU - 0.64 AU

Year: 175 Days

Day: 21.2 Hours

Environment

Temp: 155 °C

Axial Tilt: 14.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.58 AU - 0.86 AU

Year: 214 Days

Day: 15.5 Hours

Environment

Temp: 147 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.08 AU - 1.18 AU

Year: 420 Days

Day: 16.6 Hours

Environment

Temp: 32 °C

Axial Tilt: 4.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,880,464 km

• M1: 907,161 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.8 AU - 1.94 AU

Year: 895 Days

Day: 38.6 Hours

Environment

Temp: -41 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.32 AU - 4.76 AU

Year: 3384 Days

Day: 41.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.1

Radius: 12.1

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.83 AU - 7.35 AU

Year: 5918 Days

Day: 11.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,880,464 km

• M1: 151,393 km (0.098 R)
• M2: 543,339 km (0.119 R)
• M3: 1,065,885 km (0.072 R)
• M4: 1,627,924 km (0.039 R)
• M5: 2,198,790 km (0.093 R)
• M6: 2,822,014 km (0.107 R)
• M7: 3,337,080 km (0.094 R)
• M8: 4,240,501 km (0.081 R)
• M9: 4,694,680 km (0.111 R)
• M10: 5,092,910 km (0.062 R)
• M11: 5,828,483 km (0.109 R)
• M12: 7,588,202 km (0.119 R)
• M13: 8,716,170 km (0.112 R)
• M14: 10,185,371 km (0.111 R)
• M15: 11,053,338 km (0.11 R)
• M16: 12,286,623 km (0.105 R)
• M17: 13,158,330 km (0.112 R)
• M18: 14,129,220 km (0.062 R)
• M19: 17,531,374 km (0.049 R)
• M20: 19,860,165 km (0.094 R)
• M21: 26,616,004 km (0.064 R)
• M22: 28,823,022 km (0.038 R)
• M23: 30,458,276 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.7

Radius: 9.4

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.44 AU - 9.64 AU

Year: 7976 Days

Day: 11.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,880,464 km

• M1: 116,986 km (0.109 R)
• M2: 559,197 km (0.086 R)
• M3: 1,028,635 km (0.1 R)
• M4: 1,511,387 km (0.092 R)
• M5: 2,723,280 km (0.083 R)
• M6: 3,080,669 km (0.099 R)
• M7: 3,469,324 km (0.113 R)
• M8: 4,159,419 km (0.078 R)
• M9: 4,735,072 km (0.086 R)
• M10: 5,445,063 km (0.097 R)
• M11: 5,986,009 km (0.031 R)
• M12: 6,656,656 km (0.097 R)
• M13: 7,076,129 km (0.117 R)
• M14: 8,403,960 km (0.107 R)
• M15: 10,394,808 km (0.042 R)
• M16: 11,317,977 km (0.081 R)
• M17: 13,683,418 km (0.096 R)
• M18: 17,547,082 km (0.083 R)
• M19: 22,654,054 km (0.115 R)
• M20: 25,819,097 km (0.114 R)
• M21: 26,613,910 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.9

Radius: 14.1

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.06 AU - 10.1 AU

Year: 10373 Days

Day: 9.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,880,464 km

• M1: 186,549 km (0.101 R)
• M2: 759,359 km (0.103 R)
• M3: 1,296,565 km (0.095 R)
• M4: 1,775,278 km (0.099 R)
• M5: 2,253,991 km (0.092 R)
• M6: 2,780,426 km (0.101 R)
• M7: 3,411,729 km (0.064 R)
• M8: 3,859,924 km (0.113 R)
• M9: 4,565,428 km (0.088 R)
• M10: 5,023,197 km (0.08 R)
• M11: 6,910,823 km (0.098 R)
• M12: 8,241,347 km (0.087 R)
• M13: 10,017,971 km (0.109 R)
• M14: 11,984,585 km (0.118 R)
• M15: 13,489,240 km (0.103 R)
• M16: 14,317,414 km (0.096 R)
• M17: 14,867,635 km (0.033 R)
• M18: 16,871,498 km (0.083 R)
• M19: 17,554,712 km (0.06 R)
• M20: 19,343,902 km (0.068 R)
• M21: 21,173,035 km (0.071 R)
• M22: 23,198,591 km (0.033 R)
• M23: 24,129,538 km (0.057 R)
• M24: 25,438,968 km (0.073 R)
• M25: 28,774,552 km (0.107 R)
• M26: 29,750,529 km (0.115 R)
• M27: 31,768,753 km (0.097 R)
• M28: 34,526,740 km (0.097 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 16,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit