🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.03 AU - 1.27 AU

Year: 460 Days

Day: 20.9 Hours

Environment

Temp: -6 °C

Axial Tilt: 74.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 28,512,702 km

• M1: 90,357 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.14 AU - 1.46 AU

Year: 553 Days

Day: 26.2 Hours

Environment

Temp: -23 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.86 AU - 1.88 AU

Year: 953 Days

Day: 31.7 Hours

Environment

Temp: -58 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2 AU - 2.04 AU

Year: 1070 Days

Day: 31.4 Hours

Environment

Temp: -75 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,512,702 km

• M1: 1,875,808 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.9 AU - 2.8 AU

Year: 1343 Days

Day: 23.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 28,512,702 km

• M1: 325,226 km (0.112 R)
• M2: 1,072,467 km (0.092 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.83 AU - 2.87 AU

Year: 1794 Days

Day: 31.6 Hours

Environment

Temp: -97 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,512,702 km

• M1: 87,964 km (0.092 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.29 AU - 3.45 AU

Year: 1812 Days

Day: 29.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 179.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.9

Radius: 14

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.64 AU - 6.46 AU

Year: 4874 Days

Day: 14.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 28,512,702 km

• M1: 206,744 km (0.11 R)
• M2: 359,633 km (0.113 R)
• M3: 453,730 km (0.072 R)
• M4: 744,549 km (0.101 R)
• M5: 876,344 km (0.043 R)
• M6: 1,138,290 km (0.111 R)
• M7: 1,970,802 km (0.1 R)
• M8: 2,125,487 km (0.098 R)
• M9: 2,374,417 km (0.097 R)
• M10: 2,465,672 km (0.112 R)
• M11: 2,670,920 km (0.115 R)
• M12: 3,098,322 km (0.068 R)
• M13: 3,279,634 km (0.112 R)
• M14: 3,505,976 km (0.088 R)
• M15: 3,866,207 km (0.1 R)
• M16: 3,974,516 km (0.08 R)
• M17: 4,149,845 km (0.097 R)
• M18: 4,238,556 km (0.025 R)
• M19: 4,417,924 km (0.116 R)
• M20: 4,508,431 km (0.094 R)
• M21: 4,760,952 km (0.12 R)
• M22: 4,970,988 km (0.119 R)
• M23: 5,916,745 km (0.034 R)
• M24: 6,092,373 km (0.111 R)
• M25: 6,193,501 km (0.094 R)
• M26: 6,371,972 km (0.092 R)
• M27: 6,500,476 km (0.099 R)
• M28: 6,603,848 km (0.107 R)
• M29: 6,760,029 km (0.108 R)
• M30: 7,023,022 km (0.087 R)
• M31: 7,155,865 km (0.117 R)
• M32: 7,970,425 km (0.112 R)
• M33: 8,081,277 km (0.04 R)
• M34: 8,843,029 km (0.114 R)
• M35: 9,044,238 km (0.114 R)
• M36: 9,334,458 km (0.069 R)
• M37: 9,775,473 km (0.091 R)
• M38: 10,133,311 km (0.113 R)
• M39: 11,108,390 km (0.106 R)
• M40: 11,201,440 km (0.094 R)
• M41: 11,388,138 km (0.098 R)
• M42: 11,481,936 km (0.114 R)
• M43: 11,859,521 km (0.03 R)
• M44: 12,113,538 km (0.038 R)
• M45: 12,241,145 km (0.08 R)
• M46: 12,853,898 km (0.042 R)
• M47: 13,049,422 km (0.081 R)
• M48: 13,675,340 km (0.092 R)
• M49: 14,243,662 km (0.107 R)
• M50: 14,990,604 km (0.099 R)
• M51: 15,645,993 km (0.105 R)
• M52: 16,381,266 km (0.103 R)
• M53: 16,770,968 km (0.119 R)
• M54: 17,271,373 km (0.114 R)
• M55: 17,595,552 km (0.046 R)
• M56: 18,396,798 km (0.039 R)
• M57: 18,580,504 km (0.104 R)
• M58: 19,024,062 km (0.068 R)
• M59: 19,883,951 km (0.062 R)
• M60: 20,034,745 km (0.058 R)
• M61: 21,370,804 km (0.099 R)
• M62: 21,486,742 km (0.102 R)
• M63: 22,342,741 km (0.119 R)
• M64: 22,735,585 km (0.042 R)
• M65: 23,051,536 km (0.094 R)
• M66: 23,408,626 km (0.064 R)
• M67: 24,128,491 km (0.039 R)
• M68: 24,531,508 km (0.1 R)
• M69: 25,671,892 km (0.095 R)
• M70: 25,918,429 km (0.091 R)
• M71: 26,248,592 km (0.105 R)
• M72: 27,877,414 km (0.069 R)
• M73: 28,173,318 km (0.04 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 14,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit