🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.46 AU - 0.74 AU

Year: 172 Days

Day: 42.6 Hours

Environment

Temp: 222 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,546,582 km

• M1: 224,995 km (0.07 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.73 AU - 0.99 AU

Year: 296 Days

Day: 34.6 Hours

Environment

Temp: 69 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,546,582 km

• M1: 307,723 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.24 AU - 1.34 AU

Year: 543 Days

Day: 46.7 Hours

Environment

Temp: 2 °C

Axial Tilt: 44.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 37,546,582 km

• M1: 43,084 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.71 AU - 2.05 AU

Year: 956 Days

Day: 17.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 156.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,546,582 km

• M1: 44,131 km (0.117 R)
• M2: 358,586 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.92 AU - 3.62 AU

Year: 2193 Days

Day: 46.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.16 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.6

Radius: 13.6

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.18 AU - 5.9 AU

Year: 4196 Days

Day: 12.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,546,582 km

• M1: 169,494 km (0.087 R)
• M2: 603,777 km (0.075 R)
• M3: 1,068,129 km (0.115 R)
• M4: 1,549,236 km (0.087 R)
• M5: 3,004,224 km (0.118 R)
• M6: 3,464,387 km (0.11 R)
• M7: 5,878,897 km (0.088 R)
• M8: 6,302,409 km (0.12 R)
• M9: 7,822,173 km (0.032 R)
• M10: 8,302,981 km (0.118 R)
• M11: 8,735,618 km (0.057 R)
• M12: 9,253,675 km (0.118 R)
• M13: 10,050,583 km (0.071 R)
• M14: 11,170,323 km (0.088 R)
• M15: 12,158,717 km (0.066 R)
• M16: 12,849,410 km (0.117 R)
• M17: 14,027,493 km (0.045 R)
• M18: 14,933,159 km (0.039 R)
• M19: 17,287,081 km (0.116 R)
• M20: 18,552,530 km (0.055 R)
• M21: 19,294,685 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.9

Radius: 12.3

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.58 AU - 5.68 AU

Year: 4954 Days

Day: 5 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,546,582 km

• M1: 153,039 km (0.069 R)
• M2: 822,190 km (0.096 R)
• M3: 1,747,902 km (0.119 R)
• M4: 2,173,208 km (0.048 R)
• M5: 2,650,276 km (0.102 R)
• M6: 3,078,126 km (0.119 R)
• M7: 3,956,864 km (0.114 R)
• M8: 4,833,507 km (0.05 R)
• M9: 5,506,548 km (0.113 R)
• M10: 6,273,237 km (0.057 R)
• M11: 6,936,704 km (0.065 R)
• M12: 8,963,904 km (0.106 R)
• M13: 9,763,206 km (0.095 R)
• M14: 10,840,011 km (0.078 R)
• M15: 12,094,090 km (0.073 R)
• M16: 13,282,346 km (0.092 R)
• M17: 13,713,338 km (0.098 R)
• M18: 15,650,480 km (0.074 R)
• M19: 16,498,850 km (0.119 R)
• M20: 17,505,793 km (0.045 R)
• M21: 19,092,428 km (0.054 R)
• M22: 19,503,673 km (0.088 R)
• M23: 23,086,841 km (0.098 R)
• M24: 24,106,650 km (0.088 R)
• M25: 29,115,336 km (0.041 R)
• M26: 31,527,602 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.1

Radius: 12.5

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.11 AU - 7.79 AU

Year: 6075 Days

Day: 5.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,546,582 km

• M1: 155,432 km (0.102 R)
• M2: 634,594 km (0.103 R)
• M3: 1,145,022 km (0.081 R)
• M4: 2,080,308 km (0.116 R)
• M5: 3,005,571 km (0.038 R)
• M6: 4,394,886 km (0.046 R)
• M7: 5,028,433 km (0.1 R)
• M8: 6,444,527 km (0.104 R)
• M9: 8,435,525 km (0.099 R)
• M10: 9,328,026 km (0.105 R)
• M11: 10,049,536 km (0.1 R)
• M12: 10,566,846 km (0.071 R)
• M13: 13,651,554 km (0.118 R)
• M14: 16,764,386 km (0.116 R)
• M15: 17,627,865 km (0.097 R)
• M16: 19,299,771 km (0.118 R)
• M17: 20,026,667 km (0.091 R)
• M18: 23,199,488 km (0.055 R)
• M19: 23,690,319 km (0.091 R)
• M20: 24,271,656 km (0.072 R)
• M21: 24,862,568 km (0.1 R)
• M22: 25,810,569 km (0.119 R)
• M23: 27,322,854 km (0.106 R)
• M24: 29,461,805 km (0.069 R)
• M25: 30,037,607 km (0.068 R)
• M26: 30,523,202 km (0.095 R)
• M27: 35,563,603 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 14,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit