🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.46 AU - 0.6 AU

Year: 137 Days

Day: 40 Hours

Environment

Temp: 216 °C

Axial Tilt: 12.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.63 AU - 0.93 AU

Year: 244 Days

Day: 18.1 Hours

Environment

Temp: 187 °C

Axial Tilt: 134.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.12 AU - 1.6 AU

Year: 563 Days

Day: 41 Hours

Environment

Temp: -8 °C

Axial Tilt: 1.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 92,522,588 km

• M1: 268,079 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.2 AU - 1.86 AU

Year: 671 Days

Day: 22.4 Hours

Environment

Temp: -17 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,522,588 km

• M1: 140,472 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.25 AU - 5.33 AU

Year: 3152 Days

Day: 24 Hours

Environment

Temp: -131 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 16.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.7

Radius: 5.1

Gravity: 34.36 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 12.46 AU - 19.9 AU

Year: 23089 Days

Day: 21.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 92,522,588 km

• M1: 69,713 km (0.082 R)
• M2: 250,726 km (0.099 R)
• M3: 410,497 km (0.056 R)
• M4: 839,693 km (0.117 R)
• M5: 1,190,500 km (0.12 R)
• M6: 3,500,889 km (0.049 R)
• M7: 4,657,281 km (0.107 R)
• M8: 5,871,417 km (0.065 R)
• M9: 6,273,237 km (0.078 R)
• M10: 7,958,756 km (0.095 R)
• M11: 8,676,078 km (0.082 R)
• M12: 8,847,517 km (0.079 R)
• M13: 9,197,277 km (0.097 R)
• M14: 9,495,874 km (0.114 R)
• M15: 9,986,705 km (0.052 R)
• M16: 11,838,876 km (0.048 R)
• M17: 12,993,921 km (0.095 R)
• M18: 14,222,270 km (0.108 R)
• M19: 18,746,558 km (0.065 R)
• M20: 20,613,539 km (0.082 R)
• M21: 23,254,091 km (0.101 R)
• M22: 24,032,000 km (0.114 R)
• M23: 26,710,101 km (0.116 R)
• M24: 27,073,475 km (0.117 R)
• M25: 31,829,939 km (0.098 R)
• M26: 33,484,491 km (0.074 R)
• M27: 36,072,684 km (0.112 R)
• M28: 39,884,288 km (0.055 R)
• M29: 42,954,336 km (0.106 R)
• M30: 50,292,411 km (0.069 R)
• M31: 54,838,839 km (0.074 R)
• M32: 57,211,462 km (0.081 R)
• M33: 72,193,838 km (0.095 R)
• M34: 74,800,731 km (0.119 R)
• M35: 76,248,838 km (0.058 R)
• M36: 76,979,773 km (0.083 R)
• M37: 86,912,174 km (0.088 R)
• M38: 88,512,123 km (0.033 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.3

Radius: 3.1

Gravity: 80.47 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 13.65 AU - 20.69 AU

Year: 25240 Days

Day: 23.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 92,522,588 km

• M1: 39,494 km (0.07 R)
• M2: 136,732 km (0.09 R)
• M3: 1,134,700 km (0.068 R)
• M4: 1,608,476 km (0.078 R)
• M5: 1,920,238 km (0.105 R)
• M6: 3,097,574 km (0.098 R)
• M7: 3,302,074 km (0.092 R)
• M8: 3,484,434 km (0.114 R)
• M9: 3,738,002 km (0.079 R)
• M10: 6,412,662 km (0.055 R)
• M11: 8,750,279 km (0.068 R)
• M12: 8,923,663 km (0.092 R)
• M13: 10,013,034 km (0.069 R)
• M14: 12,162,905 km (0.088 R)
• M15: 13,117,788 km (0.083 R)
• M16: 15,678,754 km (0.03 R)
• M17: 19,129,529 km (0.117 R)
• M18: 19,915,366 km (0.108 R)
• M19: 22,080,047 km (0.068 R)
• M20: 26,506,648 km (0.084 R)
• M21: 27,359,057 km (0.098 R)
• M22: 31,760,526 km (0.09 R)
• M23: 35,574,673 km (0.088 R)
• M24: 36,164,537 km (0.032 R)
• M25: 42,096,242 km (0.068 R)
• M26: 42,922,023 km (0.079 R)
• M27: 44,435,355 km (0.115 R)
• M28: 44,947,727 km (0.05 R)
• M29: 51,593,014 km (0.119 R)
• M30: 54,074,843 km (0.105 R)
• M31: 56,835,373 km (0.07 R)
• M32: 62,421,507 km (0.112 R)
• M33: 66,342,018 km (0.063 R)
• M34: 72,289,880 km (0.114 R)
• M35: 76,609,369 km (0.105 R)
• M36: 82,118,460 km (0.104 R)
• M37: 89,232,886 km (0.097 R)
• M38: 90,320,612 km (0.054 R)

Kuiper Belt

Range: 30.9 - 47.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 14,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit