🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.83 AU - 0.97 AU

Year: 299 Days

Day: 28.7 Hours

Environment

Temp: 145 °C

Axial Tilt: 19.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.17 AU - 1.17 AU

Year: 443 Days

Day: 33.4 Hours

Environment

Temp: 35 °C

Axial Tilt: 25.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 78,000,222 km

• M1: 40,391 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.95 AU - 1.47 AU

Year: 466 Days

Day: 18.3 Hours

Environment

Temp: 35 °C

Axial Tilt: 5.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 78,000,222 km

• M1: 258,356 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.31 AU - 1.33 AU

Year: 531 Days

Day: 30.2 Hours

Environment

Temp: 4 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.34 AU - 2.23 AU

Year: 831 Days

Day: 36.4 Hours

Environment

Temp: -37 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.24 AU - 2.98 AU

Year: 1475 Days

Day: 42.7 Hours

Environment

Temp: -78 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.33 AU - 4.17 AU

Year: 2541 Days

Day: 43.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,000,222 km

• M1: 1,868,777 km (0.075 R)

Asteroid Belt

Center: 6.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660

Radius: 13.3

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.9 AU - 10.68 AU

Year: 9117 Days

Day: 7.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,000,222 km

• M1: 166,054 km (0.088 R)
• M2: 677,379 km (0.079 R)
• M3: 1,632,262 km (0.055 R)
• M4: 3,089,645 km (0.1 R)
• M5: 3,593,939 km (0.075 R)
• M6: 4,398,177 km (0.107 R)
• M7: 4,918,329 km (0.09 R)
• M8: 5,350,966 km (0.064 R)
• M9: 6,152,661 km (0.038 R)
• M10: 7,665,245 km (0.094 R)
• M11: 9,792,527 km (0.057 R)
• M12: 10,231,597 km (0.101 R)
• M13: 10,786,006 km (0.099 R)
• M14: 11,628,242 km (0.113 R)
• M15: 13,744,005 km (0.083 R)
• M16: 18,355,808 km (0.119 R)
• M17: 18,799,964 km (0.092 R)
• M18: 19,633,075 km (0.093 R)
• M19: 21,618,239 km (0.073 R)
• M20: 23,300,018 km (0.11 R)
• M21: 24,439,056 km (0.069 R)
• M22: 27,496,837 km (0.118 R)
• M23: 31,009,843 km (0.07 R)
• M24: 32,066,004 km (0.099 R)
• M25: 32,603,061 km (0.053 R)
• M26: 34,811,425 km (0.084 R)
• M27: 38,670,601 km (0.099 R)
• M28: 42,676,832 km (0.101 R)
• M29: 43,851,624 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.1

Radius: 5.6

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 11.8 AU - 18.3 AU

Year: 20426 Days

Day: 21.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,000,222 km

• M1: 70,012 km (0.107 R)
• M2: 263,292 km (0.047 R)
• M3: 595,250 km (0.09 R)
• M4: 1,107,772 km (0.068 R)
• M5: 1,877,004 km (0.034 R)
• M6: 2,394,164 km (0.117 R)
• M7: 2,642,946 km (0.09 R)
• M8: 4,424,357 km (0.115 R)
• M9: 4,897,385 km (0.109 R)
• M10: 5,687,113 km (0.058 R)
• M11: 6,284,457 km (0.06 R)
• M12: 6,678,647 km (0.102 R)
• M13: 7,130,882 km (0.077 R)
• M14: 7,515,947 km (0.045 R)
• M15: 9,498,717 km (0.095 R)
• M16: 10,942,935 km (0.095 R)
• M17: 11,513,052 km (0.093 R)
• M18: 14,528,496 km (0.097 R)
• M19: 15,286,808 km (0.117 R)
• M20: 16,807,470 km (0.082 R)
• M21: 18,826,443 km (0.114 R)
• M22: 20,742,343 km (0.098 R)
• M23: 21,438,123 km (0.115 R)
• M24: 22,784,504 km (0.106 R)
• M25: 23,431,664 km (0.115 R)
• M26: 24,569,655 km (0.079 R)
• M27: 24,859,725 km (0.087 R)
• M28: 28,415,517 km (0.118 R)
• M29: 31,153,308 km (0.106 R)
• M30: 33,348,058 km (0.067 R)
• M31: 47,508,394 km (0.097 R)
• M32: 52,140,991 km (0.072 R)
• M33: 53,912,380 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.4

Radius: 4.5

Gravity: 17.25 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 14.7 AU - 23.38 AU

Year: 29065 Days

Day: 24.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,000,222 km

• M1: 56,398 km (0.066 R)
• M2: 288,724 km (0.067 R)
• M3: 1,054,665 km (0.11 R)
• M4: 1,641,837 km (0.063 R)
• M5: 1,822,551 km (0.103 R)
• M6: 2,831,588 km (0.079 R)
• M7: 3,340,820 km (0.065 R)
• M8: 7,446,533 km (0.092 R)
• M9: 7,642,806 km (0.115 R)
• M10: 11,015,490 km (0.035 R)
• M11: 16,976,217 km (0.102 R)
• M12: 21,068,616 km (0.117 R)
• M13: 21,959,172 km (0.099 R)
• M14: 22,566,689 km (0.085 R)
• M15: 22,874,562 km (0.094 R)
• M16: 26,790,884 km (0.039 R)
• M17: 30,502,407 km (0.096 R)
• M18: 39,072,271 km (0.103 R)
• M19: 44,141,993 km (0.026 R)
• M20: 45,760,642 km (0.072 R)
• M21: 48,092,574 km (0.112 R)
• M22: 52,451,706 km (0.092 R)
• M23: 53,717,903 km (0.062 R)
• M24: 56,499,376 km (0.099 R)
• M25: 57,066,950 km (0.115 R)
• M26: 57,829,600 km (0.112 R)
• M27: 60,552,581 km (0.086 R)
• M28: 60,948,416 km (0.11 R)
• M29: 73,866,492 km (0.068 R)
• M30: 74,318,427 km (0.073 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 17,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit