🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.5 AU - 0.66 AU

Year: 164 Days

Day: 27.9 Hours

Environment

Temp: 202 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,018,484 km

• M1: 254,167 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.5 AU - 0.7 AU

Year: 172 Days

Day: 38.7 Hours

Environment

Temp: 183 °C

Axial Tilt: 18.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.68 AU - 0.94 AU

Year: 270 Days

Day: 41.4 Hours

Environment

Temp: 178 °C

Axial Tilt: 17.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.88 AU - 1.02 AU

Year: 343 Days

Day: 33.6 Hours

Environment

Temp: 28 °C

Axial Tilt: 4.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.71 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.25 AU - 2.67 AU

Year: 1431 Days

Day: 25.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.78 AU - 5.02 AU

Year: 3423 Days

Day: 38.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.5

Radius: 9.6

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.43 AU - 5.33 AU

Year: 3998 Days

Day: 14.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,018,484 km

• M1: 119,828 km (0.071 R)
• M2: 420,669 km (0.114 R)
• M3: 808,277 km (0.088 R)
• M4: 1,315,115 km (0.113 R)
• M5: 1,800,560 km (0.078 R)
• M6: 2,333,876 km (0.115 R)
• M7: 3,116,423 km (0.07 R)
• M8: 3,532,455 km (0.053 R)
• M9: 4,185,150 km (0.109 R)
• M10: 5,336,455 km (0.078 R)
• M11: 5,831,475 km (0.099 R)
• M12: 6,411,017 km (0.069 R)
• M13: 8,679,220 km (0.119 R)
• M14: 8,983,352 km (0.077 R)
• M15: 9,399,833 km (0.055 R)
• M16: 10,159,790 km (0.072 R)
• M17: 12,386,554 km (0.117 R)
• M18: 13,841,393 km (0.066 R)
• M19: 14,164,076 km (0.042 R)
• M20: 16,004,279 km (0.116 R)
• M21: 17,086,919 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.4

Radius: 4.1

Gravity: 24.41 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 13.63 AU - 19.65 AU

Year: 25173 Days

Day: 22.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,018,484 km

• M1: 59,241 km (0.102 R)
• M2: 539,600 km (0.063 R)
• M3: 793,617 km (0.029 R)
• M4: 2,860,311 km (0.08 R)
• M5: 4,119,028 km (0.067 R)
• M6: 6,287,000 km (0.11 R)
• M7: 7,089,742 km (0.078 R)
• M8: 8,366,710 km (0.109 R)
• M9: 9,004,745 km (0.105 R)
• M10: 9,560,800 km (0.082 R)
• M11: 11,557,931 km (0.05 R)
• M12: 12,415,726 km (0.08 R)
• M13: 12,894,738 km (0.105 R)
• M14: 13,103,726 km (0.088 R)
• M15: 14,858,061 km (0.096 R)
• M16: 18,646,926 km (0.08 R)
• M17: 21,729,988 km (0.115 R)
• M18: 32,466,478 km (0.082 R)
• M19: 35,104,337 km (0.065 R)
• M20: 37,739,204 km (0.105 R)
• M21: 71,681,166 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.9

Radius: 7

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 13.2 AU - 20.56 AU

Year: 25720 Days

Day: 17.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,018,484 km

• M1: 88,263 km (0.106 R)
• M2: 340,036 km (0.073 R)
• M3: 663,766 km (0.059 R)
• M4: 1,014,423 km (0.114 R)
• M5: 2,334,026 km (0.104 R)
• M6: 3,417,563 km (0.033 R)
• M7: 4,210,432 km (0.031 R)
• M8: 4,500,203 km (0.109 R)
• M9: 5,012,875 km (0.08 R)
• M10: 5,265,097 km (0.076 R)
• M11: 5,525,846 km (0.109 R)
• M12: 5,756,227 km (0.077 R)
• M13: 6,785,909 km (0.078 R)
• M14: 7,230,364 km (0.032 R)
• M15: 7,836,984 km (0.047 R)
• M16: 9,805,093 km (0.115 R)
• M17: 11,826,160 km (0.106 R)
• M18: 17,645,667 km (0.066 R)
• M19: 21,446,800 km (0.086 R)
• M20: 24,709,978 km (0.07 R)
• M21: 25,126,758 km (0.07 R)
• M22: 27,281,116 km (0.101 R)
• M23: 30,499,715 km (0.088 R)
• M24: 30,738,922 km (0.066 R)
• M25: 33,834,850 km (0.085 R)
• M26: 37,954,925 km (0.068 R)
• M27: 38,509,633 km (0.083 R)
• M28: 46,222,750 km (0.072 R)
• M29: 53,503,678 km (0.091 R)
• M30: 57,597,125 km (0.085 R)
• M31: 61,322,411 km (0.094 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: 495 - 18,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit