🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.59 AU - 0.75 AU

Year: 195 Days

Day: 42.3 Hours

Environment

Temp: 228 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,580,923 km

• M1: 110,702 km (0.031 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.88 AU - 0.92 AU

Year: 304 Days

Day: 23.5 Hours

Environment

Temp: 113 °C

Axial Tilt: 26.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.94 AU - 1.2 AU

Year: 395 Days

Day: 44.2 Hours

Environment

Temp: 40 °C

Axial Tilt: 25.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.43 AU - 1.47 AU

Year: 622 Days

Day: 22.3 Hours

Environment

Temp: -14 °C

Axial Tilt: 44.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.49 AU - 2.05 AU

Year: 839 Days

Day: 38 Hours

Environment

Temp: -47 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,580,923 km

• M1: 150,645 km (0.104 R)
• M2: 263,442 km (0.052 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.62 AU - 2.34 AU

Year: 993 Days

Day: 42.1 Hours

Environment

Temp: -57 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 12.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.3

Radius: 4.7

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 12.95 AU - 13.01 AU

Year: 16669 Days

Day: 18.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 120.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,580,923 km

• M1: 58,493 km (0.08 R)
• M2: 335,847 km (0.106 R)
• M3: 562,638 km (0.057 R)
• M4: 1,087,577 km (0.092 R)
• M5: 1,775,876 km (0.101 R)
• M6: 2,825,455 km (0.086 R)
• M7: 5,695,640 km (0.099 R)
• M8: 8,750,578 km (0.068 R)
• M9: 12,155,725 km (0.06 R)
• M10: 18,809,688 km (0.098 R)
• M11: 21,504,096 km (0.101 R)
• M12: 21,933,591 km (0.03 R)
• M13: 22,987,658 km (0.06 R)
• M14: 25,196,171 km (0.06 R)
• M15: 36,287,208 km (0.115 R)
• M16: 36,773,550 km (0.11 R)
• M17: 40,040,768 km (0.119 R)
• M18: 44,876,818 km (0.089 R)
• M19: 48,015,830 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.5

Radius: 6.2

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 16.78 AU - 20.3 AU

Year: 28455 Days

Day: 21.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,580,923 km

• M1: 80,184 km (0.065 R)
• M2: 297,101 km (0.114 R)
• M3: 574,007 km (0.082 R)
• M4: 935,884 km (0.087 R)
• M5: 2,872,130 km (0.052 R)
• M6: 3,988,578 km (0.062 R)
• M7: 5,025,292 km (0.11 R)
• M8: 6,317,219 km (0.093 R)
• M9: 7,519,088 km (0.114 R)
• M10: 8,488,632 km (0.117 R)
• M11: 8,975,872 km (0.043 R)
• M12: 9,198,324 km (0.084 R)
• M13: 10,006,003 km (0.059 R)
• M14: 11,112,878 km (0.09 R)
• M15: 11,828,105 km (0.11 R)
• M16: 13,422,220 km (0.103 R)
• M17: 14,083,144 km (0.112 R)
• M18: 21,731,035 km (0.075 R)
• M19: 24,322,669 km (0.097 R)
• M20: 26,997,778 km (0.107 R)
• M21: 28,049,601 km (0.081 R)
• M22: 31,114,113 km (0.074 R)
• M23: 32,530,506 km (0.105 R)
• M24: 33,855,045 km (0.073 R)
• M25: 38,043,636 km (0.101 R)
• M26: 44,954,459 km (0.108 R)
• M27: 47,096,252 km (0.086 R)
• M28: 50,698,419 km (0.108 R)
• M29: 52,296,872 km (0.069 R)
• M30: 61,592,735 km (0.055 R)
• M31: 65,474,650 km (0.074 R)
• M32: 65,892,477 km (0.1 R)
• M33: 66,522,583 km (0.059 R)
• M34: 74,855,783 km (0.102 R)
• M35: 75,541,838 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.1

Radius: 7.9

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 18.34 AU - 21.32 AU

Year: 31476 Days

Day: 22.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,580,923 km

• M1: 98,884 km (0.117 R)
• M2: 499,956 km (0.097 R)
• M3: 882,777 km (0.1 R)
• M4: 1,298,210 km (0.083 R)
• M5: 2,983,131 km (0.113 R)
• M6: 3,664,549 km (0.086 R)
• M7: 3,923,354 km (0.089 R)
• M8: 15,615,475 km (0.085 R)
• M9: 23,274,886 km (0.101 R)
• M10: 24,977,459 km (0.097 R)
• M11: 25,806,680 km (0.078 R)
• M12: 26,868,974 km (0.111 R)
• M13: 29,766,685 km (0.114 R)
• M14: 34,494,127 km (0.087 R)
• M15: 42,122,572 km (0.05 R)
• M16: 49,334,087 km (0.063 R)
• M17: 51,965,364 km (0.071 R)
• M18: 61,534,990 km (0.092 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 12,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit