🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.54 AU - 0.54 AU

Year: 149 Days

Day: 45.1 Hours

Environment

Temp: 195 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.82 AU - 1.02 AU

Year: 332 Days

Day: 35 Hours

Environment

Temp: 13 °C

Axial Tilt: 17.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.94 AU - 1.52 AU

Year: 514 Days

Day: 47.5 Hours

Environment

Temp: -0 °C

Axial Tilt: 91.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.32 AU - 1.42 AU

Year: 604 Days

Day: 46.9 Hours

Environment

Temp: -31 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,185,324 km

• M1: 675,734 km (0.105 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.69 AU - 2.47 AU

Year: 1130 Days

Day: 18.4 Hours

Environment

Temp: -78 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,185,324 km

• M1: 33,510 km (0.095 R)

Asteroid Belt

Center: 3.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.7

Radius: 13.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.77 AU - 6.15 AU

Year: 4161 Days

Day: 11.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,185,324 km

• M1: 170,392 km (0.082 R)
• M2: 610,808 km (0.109 R)
• M3: 1,265,598 km (0.108 R)
• M4: 2,204,175 km (0.093 R)
• M5: 3,423,547 km (0.074 R)
• M6: 3,932,928 km (0.061 R)
• M7: 4,492,873 km (0.114 R)
• M8: 4,947,650 km (0.107 R)
• M9: 6,500,476 km (0.108 R)
• M10: 7,493,058 km (0.064 R)
• M11: 8,135,731 km (0.082 R)
• M12: 9,088,968 km (0.031 R)
• M13: 11,727,875 km (0.072 R)
• M14: 14,082,994 km (0.1 R)
• M15: 15,799,330 km (0.106 R)
• M16: 17,527,784 km (0.095 R)
• M17: 18,089,075 km (0.096 R)
• M18: 19,313,235 km (0.117 R)
• M19: 22,214,685 km (0.085 R)
• M20: 25,953,585 km (0.085 R)
• M21: 27,177,296 km (0.107 R)
• M22: 28,954,668 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 14.4

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.91 AU - 5.99 AU

Year: 4793 Days

Day: 10.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 142.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,185,324 km

• M1: 179,069 km (0.058 R)
• M2: 655,538 km (0.053 R)
• M3: 1,214,436 km (0.1 R)
• M4: 1,724,564 km (0.073 R)
• M5: 2,689,770 km (0.083 R)
• M6: 3,275,445 km (0.089 R)
• M7: 3,835,241 km (0.113 R)
• M8: 4,410,444 km (0.026 R)
• M9: 5,069,423 km (0.116 R)
• M10: 6,241,971 km (0.119 R)
• M11: 7,008,361 km (0.101 R)
• M12: 8,090,253 km (0.075 R)
• M13: 10,066,590 km (0.087 R)
• M14: 10,986,019 km (0.076 R)
• M15: 11,770,959 km (0.098 R)
• M16: 13,660,679 km (0.094 R)
• M17: 14,623,341 km (0.12 R)
• M18: 15,121,353 km (0.075 R)
• M19: 15,573,438 km (0.111 R)
• M20: 16,209,976 km (0.111 R)
• M21: 19,523,719 km (0.042 R)
• M22: 20,745,186 km (0.077 R)
• M23: 25,822,388 km (0.118 R)
• M24: 26,469,548 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.5

Radius: 4.6

Gravity: 20.63 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 14.58 AU - 17.86 AU

Year: 24609 Days

Day: 23.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,185,324 km

• M1: 61,335 km (0.079 R)
• M2: 300,692 km (0.047 R)
• M3: 488,138 km (0.041 R)
• M4: 743,053 km (0.095 R)
• M5: 912,996 km (0.096 R)
• M6: 2,005,659 km (0.107 R)
• M7: 2,708,320 km (0.091 R)
• M8: 3,223,385 km (0.078 R)
• M9: 4,411,641 km (0.12 R)
• M10: 5,865,284 km (0.116 R)
• M11: 10,318,962 km (0.11 R)
• M12: 11,497,195 km (0.072 R)
• M13: 14,489,302 km (0.088 R)
• M14: 15,882,507 km (0.113 R)
• M15: 18,136,199 km (0.075 R)
• M16: 20,689,236 km (0.103 R)
• M17: 21,460,413 km (0.119 R)
• M18: 23,575,876 km (0.091 R)
• M19: 24,099,170 km (0.103 R)
• M20: 28,215,654 km (0.101 R)
• M21: 39,248,497 km (0.074 R)
• M22: 44,110,578 km (0.072 R)
• M23: 47,179,279 km (0.066 R)
• M24: 47,842,895 km (0.059 R)
• M25: 49,188,827 km (0.088 R)
• M26: 51,080,642 km (0.036 R)
• M27: 59,904,074 km (0.116 R)
• M28: 60,877,806 km (0.089 R)
• M29: 64,673,852 km (0.063 R)
• M30: 67,150,894 km (0.03 R)
• M31: 69,262,767 km (0.071 R)
• M32: 70,335,084 km (0.081 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: 476 - 11,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit