🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.51 AU - 0.77 AU

Year: 183 Days

Day: 30.9 Hours

Environment

Temp: 167 °C

Axial Tilt: 51.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.82 AU - 1.1 AU

Year: 337 Days

Day: 14.5 Hours

Environment

Temp: 169 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.9 AU - 1.32 AU

Year: 419 Days

Day: 25.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 13.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 51,176,375 km

• M1: 55,501 km (0.075 R)
• M2: 264,788 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.11 AU - 1.41 AU

Year: 507 Days

Day: 21.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 47.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 51,176,375 km

• M1: 574,755 km (0.051 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.61 AU - 2.21 AU

Year: 945 Days

Day: 31.1 Hours

Environment

Temp: -48 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,176,375 km

• M1: 254,017 km (0.093 R)

Asteroid Belt

Center: 2.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.76 AU - 3.3 AU

Year: 1889 Days

Day: 18.2 Hours

Environment

Temp: -92 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.14 AU - 4.36 AU

Year: 3138 Days

Day: 38.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 15.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.1

Radius: 5.6

Gravity: 27.11 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 14.36 AU - 17.34 AU

Year: 22600 Days

Day: 18.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,176,375 km

• M1: 69,713 km (0.11 R)
• M2: 246,986 km (0.111 R)
• M3: 460,612 km (0.104 R)
• M4: 1,219,971 km (0.08 R)
• M5: 1,421,629 km (0.111 R)
• M6: 2,209,261 km (0.071 R)
• M7: 2,511,150 km (0.097 R)
• M8: 2,893,223 km (0.078 R)
• M9: 5,615,904 km (0.074 R)
• M10: 7,517,891 km (0.113 R)
• M11: 7,828,157 km (0.087 R)
• M12: 8,924,560 km (0.105 R)
• M13: 12,177,117 km (0.106 R)
• M14: 16,921,015 km (0.046 R)
• M15: 17,543,941 km (0.097 R)
• M16: 26,254,726 km (0.091 R)
• M17: 30,603,685 km (0.12 R)
• M18: 32,742,636 km (0.111 R)
• M19: 33,848,463 km (0.12 R)
• M20: 36,427,381 km (0.103 R)
• M21: 38,066,225 km (0.038 R)
• M22: 38,827,080 km (0.091 R)
• M23: 40,222,230 km (0.076 R)
• M24: 41,811,258 km (0.109 R)
• M25: 45,623,760 km (0.09 R)
• M26: 51,489,194 km (0.116 R)
• M27: 51,860,047 km (0.087 R)
• M28: 55,666,714 km (0.073 R)
• M29: 59,451,690 km (0.099 R)
• M30: 60,064,443 km (0.12 R)
• M31: 68,867,829 km (0.105 R)
• M32: 69,543,861 km (0.071 R)
• M33: 73,692,809 km (0.096 R)
• M34: 82,479,589 km (0.079 R)
• M35: 84,008,928 km (0.093 R)
• M36: 86,077,119 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.2

Radius: 4.7

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 16.91 AU - 18.39 AU

Year: 26558 Days

Day: 16.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,176,375 km

• M1: 58,493 km (0.079 R)
• M2: 327,769 km (0.11 R)
• M3: 946,506 km (0.054 R)
• M4: 1,641,089 km (0.059 R)
• M5: 1,829,432 km (0.086 R)
• M6: 2,121,298 km (0.094 R)
• M7: 3,090,692 km (0.117 R)
• M8: 3,404,100 km (0.095 R)
• M9: 4,266,082 km (0.095 R)
• M10: 4,472,528 km (0.078 R)
• M11: 4,937,328 km (0.077 R)
• M12: 5,198,077 km (0.089 R)
• M13: 6,602,801 km (0.096 R)
• M14: 6,879,258 km (0.104 R)
• M15: 8,470,680 km (0.116 R)
• M16: 9,180,672 km (0.066 R)
• M17: 9,827,234 km (0.066 R)
• M18: 13,903,177 km (0.091 R)
• M19: 14,687,968 km (0.056 R)
• M20: 33,835,897 km (0.113 R)
• M21: 36,094,974 km (0.115 R)
• M22: 37,199,306 km (0.073 R)
• M23: 43,334,464 km (0.116 R)

Kuiper Belt

Range: 30.6 - 51.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 11,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit