🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.82 AU - 0.84 AU

Year: 283 Days

Day: 37.9 Hours

Environment

Temp: 75 °C

Axial Tilt: 42.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.94 AU - 0.96 AU

Year: 347 Days

Day: 33.9 Hours

Environment

Temp: 25 °C

Axial Tilt: 10.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.8 AU - 1.2 AU

Year: 375 Days

Day: 35 Hours

Environment

Temp: 6 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 106,265,011 km

• M1: 227,239 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.83 AU - 1.17 AU

Year: 375 Days

Day: 40.3 Hours

Environment

Temp: 5 °C

Axial Tilt: 42.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 106,265,011 km

• M1: 42,935 km (0.112 R)
• M2: 176,376 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.19 AU - 1.27 AU

Year: 511 Days

Day: 41.6 Hours

Environment

Temp: -12 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 106,265,011 km

• M1: 777,610 km (0.116 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.28 AU - 1.68 AU

Year: 675 Days

Day: 15 Hours

Environment

Temp: -39 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.3

Radius: 10.5

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.78 AU - 7.08 AU

Year: 6110 Days

Day: 5.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 106,265,011 km

• M1: 130,599 km (0.072 R)
• M2: 457,769 km (0.048 R)
• M3: 881,131 km (0.107 R)
• M4: 1,492,688 km (0.069 R)
• M5: 2,404,038 km (0.1 R)
• M6: 3,043,120 km (0.1 R)
• M7: 3,403,352 km (0.113 R)
• M8: 6,539,821 km (0.09 R)
• M9: 8,669,645 km (0.073 R)
• M10: 11,832,444 km (0.103 R)
• M11: 12,947,097 km (0.025 R)
• M12: 14,363,640 km (0.087 R)
• M13: 17,368,612 km (0.045 R)
• M14: 22,865,436 km (0.054 R)
• M15: 23,512,597 km (0.11 R)
• M16: 24,506,226 km (0.083 R)
• M17: 25,787,382 km (0.103 R)
• M18: 26,312,171 km (0.099 R)
• M19: 28,297,634 km (0.064 R)
• M20: 29,043,679 km (0.043 R)
• M21: 30,868,324 km (0.085 R)
• M22: 31,858,662 km (0.064 R)
• M23: 32,768,067 km (0.102 R)
• M24: 33,694,527 km (0.083 R)
• M25: 34,850,619 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.6

Radius: 4.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 14.43 AU - 16.87 AU

Year: 23201 Days

Day: 17 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 106,265,011 km

• M1: 58,942 km (0.073 R)
• M2: 848,220 km (0.099 R)
• M3: 1,252,433 km (0.085 R)
• M4: 2,091,677 km (0.041 R)
• M5: 6,003,811 km (0.074 R)
• M6: 7,447,132 km (0.072 R)
• M7: 7,613,185 km (0.089 R)
• M8: 13,476,375 km (0.082 R)
• M9: 15,971,069 km (0.112 R)
• M10: 18,695,844 km (0.113 R)
• M11: 19,126,537 km (0.089 R)
• M12: 23,093,124 km (0.086 R)
• M13: 23,803,564 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.3

Radius: 7.6

Gravity: 15.62 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 16.76 AU - 19.36 AU

Year: 28761 Days

Day: 16.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 106,265,011 km

• M1: 94,546 km (0.093 R)
• M2: 411,544 km (0.084 R)
• M3: 693,237 km (0.064 R)
• M4: 1,077,703 km (0.086 R)
• M5: 2,115,314 km (0.084 R)
• M6: 2,765,167 km (0.099 R)
• M7: 3,573,444 km (0.033 R)
• M8: 4,530,572 km (0.101 R)
• M9: 6,737,738 km (0.029 R)
• M10: 7,199,846 km (0.084 R)
• M11: 8,187,342 km (0.092 R)
• M12: 12,357,383 km (0.087 R)
• M13: 13,849,322 km (0.083 R)
• M14: 15,282,769 km (0.065 R)
• M15: 15,722,587 km (0.117 R)
• M16: 16,998,956 km (0.064 R)
• M17: 18,146,820 km (0.078 R)
• M18: 18,540,711 km (0.056 R)
• M19: 19,550,347 km (0.105 R)
• M20: 20,809,662 km (0.079 R)
• M21: 25,153,835 km (0.11 R)
• M22: 27,926,482 km (0.089 R)
• M23: 28,451,570 km (0.086 R)
• M24: 29,657,179 km (0.109 R)
• M25: 31,458,188 km (0.042 R)
• M26: 35,276,674 km (0.086 R)
• M27: 42,769,433 km (0.049 R)
• M28: 43,642,785 km (0.117 R)
• M29: 47,254,975 km (0.052 R)
• M30: 50,671,940 km (0.049 R)
• M31: 53,642,505 km (0.091 R)
• M32: 57,780,981 km (0.058 R)
• M33: 70,008,064 km (0.097 R)
• M34: 82,498,887 km (0.08 R)
• M35: 83,038,038 km (0.094 R)
• M36: 91,987,581 km (0.076 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 12,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit