🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.4 AU - 0.62 AU

Year: 134 Days

Day: 12.3 Hours

Environment

Temp: 208 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,476,223 km

• M1: 24,384 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.81 AU - 0.91 AU

Year: 294 Days

Day: 36.6 Hours

Environment

Temp: 145 °C

Axial Tilt: 34 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,476,223 km

• M1: 293,361 km (0.058 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.28 AU - 1.64 AU

Year: 651 Days

Day: 38.7 Hours

Environment

Temp: -38 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.37 AU - 2.29 AU

Year: 913 Days

Day: 29.5 Hours

Environment

Temp: -61 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.89 AU - 2.25 AU

Year: 1099 Days

Day: 29.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.25 AU - 4.97 AU

Year: 3652 Days

Day: 22.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,476,223 km

• M1: 384,018 km (0.117 R)
• M2: 1,595,012 km (0.087 R)

Asteroid Belt

Center: 10.51 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 16.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.7

Radius: 3.4

Gravity: 28.09 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 15.93 AU - 16.89 AU

Year: 24527 Days

Day: 24 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 81,476,223 km

• M1: 53,556 km (0.076 R)
• M2: 236,813 km (0.078 R)
• M3: 561,590 km (0.079 R)
• M4: 755,768 km (0.081 R)
• M5: 901,477 km (0.103 R)
• M6: 1,195,287 km (0.102 R)
• M7: 1,786,199 km (0.081 R)
• M8: 2,105,440 km (0.087 R)
• M9: 2,310,240 km (0.106 R)
• M10: 2,483,474 km (0.095 R)
• M11: 3,081,267 km (0.11 R)
• M12: 3,624,457 km (0.075 R)
• M13: 3,828,808 km (0.083 R)
• M14: 5,183,566 km (0.061 R)
• M15: 6,356,862 km (0.039 R)
• M16: 7,696,362 km (0.079 R)
• M17: 7,839,976 km (0.087 R)
• M18: 9,053,065 km (0.084 R)
• M19: 12,294,103 km (0.08 R)
• M20: 14,064,444 km (0.107 R)
• M21: 15,843,013 km (0.083 R)
• M22: 16,547,020 km (0.09 R)
• M23: 18,697,191 km (0.074 R)
• M24: 20,472,768 km (0.117 R)
• M25: 22,357,551 km (0.106 R)
• M26: 26,251,135 km (0.065 R)
• M27: 26,794,923 km (0.105 R)
• M28: 27,346,042 km (0.079 R)
• M29: 27,568,644 km (0.026 R)
• M30: 29,861,381 km (0.057 R)
• M31: 29,979,264 km (0.091 R)
• M32: 31,417,946 km (0.063 R)
• M33: 32,526,616 km (0.047 R)
• M34: 33,916,829 km (0.108 R)
• M35: 39,023,652 km (0.09 R)
• M36: 41,759,049 km (0.093 R)
• M37: 43,702,475 km (0.051 R)
• M38: 46,333,901 km (0.04 R)
• M39: 48,415,855 km (0.094 R)
• M40: 50,726,843 km (0.113 R)
• M41: 60,517,724 km (0.055 R)
• M42: 67,159,122 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.5

Radius: 6.1

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 14.29 AU - 20.65 AU

Year: 26941 Days

Day: 17 Hours

Environment

Temp: -207 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,476,223 km

• M1: 75,846 km (0.054 R)
• M2: 299,196 km (0.064 R)
• M3: 1,003,054 km (0.114 R)
• M4: 1,258,417 km (0.109 R)
• M5: 1,573,620 km (0.096 R)
• M6: 2,340,309 km (0.107 R)
• M7: 2,793,441 km (0.099 R)
• M8: 3,331,993 km (0.099 R)
• M9: 3,873,687 km (0.077 R)
• M10: 4,577,844 km (0.115 R)
• M11: 5,092,611 km (0.085 R)
• M12: 5,604,385 km (0.11 R)
• M13: 6,020,866 km (0.108 R)
• M14: 7,057,280 km (0.076 R)
• M15: 7,543,024 km (0.105 R)
• M16: 7,947,536 km (0.116 R)
• M17: 8,527,079 km (0.087 R)
• M18: 9,021,948 km (0.089 R)
• M19: 10,435,199 km (0.102 R)
• M20: 12,822,482 km (0.109 R)
• M21: 18,917,997 km (0.109 R)
• M22: 19,853,732 km (0.118 R)
• M23: 22,020,208 km (0.111 R)
• M24: 23,798,777 km (0.059 R)
• M25: 24,230,666 km (0.095 R)
• M26: 26,354,208 km (0.083 R)
• M27: 34,554,116 km (0.115 R)
• M28: 36,091,533 km (0.11 R)
• M29: 49,188,827 km (0.085 R)
• M30: 56,690,412 km (0.102 R)
• M31: 63,254,916 km (0.08 R)
• M32: 66,186,436 km (0.098 R)
• M33: 69,426,577 km (0.093 R)
• M34: 73,452,555 km (0.1 R)
• M35: 77,631,122 km (0.119 R)
• M36: 78,105,048 km (0.038 R)
• M37: 80,988,846 km (0.076 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 13,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit