🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.62 AU - 0.62 AU

Year: 179 Days

Day: 32.8 Hours

Environment

Temp: 150 °C

Axial Tilt: 25.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 87,582,861 km

• M1: 44,879 km (0.068 R)
• M2: 195,674 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.67 AU - 0.75 AU

Year: 220 Days

Day: 43.4 Hours

Environment

Temp: 135 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.06 AU - 1.12 AU

Year: 418 Days

Day: 47.9 Hours

Environment

Temp: 11 °C

Axial Tilt: 17.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.39 AU - 2.67 AU

Year: 1477 Days

Day: 24.1 Hours

Environment

Temp: -83 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.7 AU - 3.78 AU

Year: 2655 Days

Day: 32.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,582,861 km

• M1: 1,887,626 km (0.119 R)

Asteroid Belt

Center: 6.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.1

Radius: 12.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.02 AU - 10.88 AU

Year: 9829 Days

Day: 14.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,582,861 km

• M1: 183,257 km (0.095 R)
• M2: 1,312,721 km (0.12 R)
• M3: 1,825,393 km (0.088 R)
• M4: 5,070,470 km (0.099 R)
• M5: 5,619,494 km (0.081 R)
• M6: 6,208,012 km (0.04 R)
• M7: 6,610,580 km (0.105 R)
• M8: 8,442,855 km (0.1 R)
• M9: 8,892,247 km (0.118 R)
• M10: 14,628,278 km (0.089 R)
• M11: 15,879,365 km (0.077 R)
• M12: 18,219,973 km (0.098 R)
• M13: 23,663,990 km (0.091 R)
• M14: 25,758,360 km (0.084 R)
• M15: 29,178,616 km (0.03 R)
• M16: 37,868,008 km (0.101 R)
• M17: 38,355,248 km (0.079 R)
• M18: 43,193,692 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.2

Radius: 7.1

Gravity: 17.22 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 13.45 AU - 21.27 AU

Year: 26552 Days

Day: 18.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,582,861 km

• M1: 231,727 km (0.108 R)
• M2: 542,891 km (0.104 R)
• M3: 825,182 km (0.117 R)
• M4: 1,567,786 km (0.083 R)
• M5: 2,462,231 km (0.087 R)
• M6: 3,375,377 km (0.105 R)
• M7: 3,959,856 km (0.12 R)
• M8: 6,448,416 km (0.042 R)
• M9: 7,398,512 km (0.069 R)
• M10: 7,771,011 km (0.114 R)
• M11: 9,204,607 km (0.103 R)
• M12: 12,288,268 km (0.1 R)
• M13: 15,220,835 km (0.109 R)
• M14: 16,712,625 km (0.113 R)
• M15: 19,578,472 km (0.119 R)
• M16: 20,188,681 km (0.116 R)
• M17: 22,645,078 km (0.113 R)
• M18: 23,091,778 km (0.025 R)
• M19: 27,886,838 km (0.092 R)
• M20: 28,789,063 km (0.099 R)
• M21: 37,180,756 km (0.069 R)
• M22: 37,646,454 km (0.107 R)
• M23: 40,850,242 km (0.084 R)
• M24: 42,857,396 km (0.089 R)
• M25: 43,198,180 km (0.106 R)
• M26: 47,794,425 km (0.079 R)
• M27: 55,687,807 km (0.094 R)
• M28: 57,322,912 km (0.088 R)
• M29: 63,077,793 km (0.099 R)
• M30: 66,892,089 km (0.059 R)
• M31: 73,993,201 km (0.092 R)
• M32: 74,729,821 km (0.095 R)
• M33: 76,717,977 km (0.115 R)
• M34: 78,741,138 km (0.044 R)
• M35: 79,508,875 km (0.117 R)
• M36: 81,059,307 km (0.114 R)
• M37: 85,292,328 km (0.092 R)
• M38: 94,195,646 km (0.114 R)
• M39: 95,350,242 km (0.119 R)
• M40: 95,931,131 km (0.091 R)
• M41: 98,278,172 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.5

Radius: 6.3

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 17.7 AU - 18.06 AU

Year: 27754 Days

Day: 23.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,582,861 km

• M1: 78,688 km (0.025 R)
• M2: 379,679 km (0.081 R)
• M3: 912,098 km (0.111 R)
• M4: 1,156,990 km (0.101 R)
• M5: 1,495,380 km (0.119 R)
• M6: 2,394,015 km (0.112 R)
• M7: 3,993,216 km (0.076 R)
• M8: 6,377,956 km (0.08 R)
• M9: 8,430,139 km (0.079 R)
• M10: 8,651,394 km (0.106 R)
• M11: 11,214,455 km (0.058 R)
• M12: 11,891,984 km (0.033 R)
• M13: 13,402,922 km (0.089 R)
• M14: 14,876,461 km (0.062 R)
• M15: 18,325,440 km (0.101 R)
• M16: 19,745,423 km (0.118 R)
• M17: 21,135,636 km (0.116 R)
• M18: 24,780,887 km (0.113 R)
• M19: 25,007,528 km (0.105 R)
• M20: 27,109,827 km (0.078 R)
• M21: 42,894,646 km (0.109 R)
• M22: 48,679,446 km (0.115 R)
• M23: 50,112,295 km (0.11 R)
• M24: 63,869,165 km (0.119 R)
• M25: 64,723,519 km (0.092 R)
• M26: 67,332,206 km (0.064 R)
• M27: 78,224,876 km (0.08 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 19,955 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit