🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.66 AU - 0.94 AU

Year: 256 Days

Day: 47.6 Hours

Environment

Temp: 184 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.94 AU - 1.16 AU

Year: 385 Days

Day: 12.9 Hours

Environment

Temp: 40 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 96,188,859 km

• M1: 128,804 km (0.083 R)
• M2: 503,846 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.36 AU - 1.52 AU

Year: 619 Days

Day: 42.4 Hours

Environment

Temp: -13 °C

Axial Tilt: 11.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.57 AU - 1.81 AU

Year: 787 Days

Day: 38.1 Hours

Environment

Temp: -36 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 96,188,859 km

• M1: 64,177 km (0.088 R)
• M2: 626,815 km (0.085 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.66 AU - 1.82 AU

Year: 822 Days

Day: 22.3 Hours

Environment

Temp: -35 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.7 AU - 4.46 AU

Year: 2426 Days

Day: 29.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.1

Radius: 13.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.45 AU - 6.51 AU

Year: 5238 Days

Day: 7.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 96,188,859 km

• M1: 162,912 km (0.079 R)
• M2: 599,738 km (0.067 R)
• M3: 1,169,407 km (0.113 R)
• M4: 1,622,090 km (0.118 R)
• M5: 2,205,821 km (0.104 R)
• M6: 3,294,893 km (0.056 R)
• M7: 4,221,802 km (0.081 R)
• M8: 5,269,585 km (0.12 R)
• M9: 6,247,656 km (0.117 R)
• M10: 6,862,802 km (0.092 R)
• M11: 10,902,543 km (0.096 R)
• M12: 12,528,822 km (0.075 R)
• M13: 13,076,799 km (0.103 R)
• M14: 16,109,596 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889

Radius: 8

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 13.13 AU - 13.21 AU

Year: 17118 Days

Day: 22.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 58.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 96,188,859 km

• M1: 100,231 km (0.1 R)
• M2: 423,063 km (0.046 R)
• M3: 863,030 km (0.089 R)
• M4: 1,184,965 km (0.028 R)
• M5: 1,884,335 km (0.083 R)
• M6: 2,240,378 km (0.064 R)
• M7: 2,547,801 km (0.095 R)
• M8: 4,167,198 km (0.112 R)
• M9: 5,998,725 km (0.098 R)
• M10: 6,683,734 km (0.114 R)
• M11: 7,956,363 km (0.117 R)
• M12: 8,676,527 km (0.112 R)
• M13: 9,779,512 km (0.104 R)
• M14: 10,849,735 km (0.076 R)
• M15: 13,433,290 km (0.104 R)
• M16: 18,253,932 km (0.101 R)
• M17: 20,336,185 km (0.102 R)
• M18: 20,619,075 km (0.115 R)
• M19: 22,773,882 km (0.101 R)
• M20: 23,593,379 km (0.093 R)
• M21: 24,966,688 km (0.1 R)
• M22: 32,769,713 km (0.068 R)
• M23: 33,813,756 km (0.114 R)
• M24: 42,514,368 km (0.105 R)
• M25: 44,385,389 km (0.12 R)
• M26: 45,824,221 km (0.083 R)
• M27: 48,123,690 km (0.077 R)
• M28: 48,963,233 km (0.12 R)
• M29: 54,751,026 km (0.094 R)
• M30: 55,115,745 km (0.06 R)
• M31: 56,405,129 km (0.091 R)
• M32: 66,827,164 km (0.102 R)
• M33: 69,352,974 km (0.098 R)
• M34: 72,379,190 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.9

Radius: 4.4

Gravity: 38.73 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 13.87 AU - 21.97 AU

Year: 27169 Days

Day: 21 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 96,188,859 km

• M1: 55,202 km (0.072 R)
• M2: 265,985 km (0.098 R)
• M3: 433,834 km (0.086 R)
• M4: 587,770 km (0.118 R)
• M5: 800,947 km (0.057 R)
• M6: 1,179,280 km (0.091 R)
• M7: 1,451,249 km (0.085 R)
• M8: 1,630,018 km (0.081 R)
• M9: 2,075,970 km (0.075 R)
• M10: 2,399,400 km (0.111 R)
• M11: 2,836,376 km (0.106 R)
• M12: 2,974,454 km (0.039 R)
• M13: 3,175,364 km (0.097 R)
• M14: 3,604,561 km (0.084 R)
• M15: 4,502,746 km (0.109 R)
• M16: 8,355,939 km (0.106 R)
• M17: 13,339,343 km (0.115 R)
• M18: 17,027,978 km (0.045 R)
• M19: 18,522,161 km (0.115 R)
• M20: 23,188,568 km (0.059 R)
• M21: 23,637,810 km (0.069 R)
• M22: 24,092,737 km (0.082 R)
• M23: 26,822,749 km (0.101 R)
• M24: 27,317,768 km (0.091 R)
• M25: 36,236,494 km (0.076 R)
• M26: 39,327,335 km (0.119 R)
• M27: 40,936,560 km (0.068 R)
• M28: 45,151,031 km (0.068 R)
• M29: 45,675,371 km (0.079 R)
• M30: 48,540,769 km (0.052 R)
• M31: 56,830,586 km (0.074 R)
• M32: 59,930,553 km (0.101 R)
• M33: 72,498,569 km (0.047 R)
• M34: 86,712,760 km (0.086 R)
• M35: 86,982,186 km (0.063 R)
• M36: 91,647,844 km (0.107 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 19,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit