🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.69 AU - 0.81 AU

Year: 234 Days

Day: 43.1 Hours

Environment

Temp: 123 °C

Axial Tilt: 38 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.11 AU - 1.63 AU

Year: 577 Days

Day: 18.5 Hours

Environment

Temp: -16 °C

Axial Tilt: 23.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.44 AU - 3.56 AU

Year: 1870 Days

Day: 14.8 Hours

Environment

Temp: -96 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.72 AU - 3.54 AU

Year: 1993 Days

Day: 45.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 72.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.01 AU - 4.33 AU

Year: 2530 Days

Day: 35.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.4

Radius: 8.9

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.11 AU - 7.93 AU

Year: 7422 Days

Day: 8.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,440,894 km

• M1: 113,096 km (0.11 R)
• M2: 661,223 km (0.105 R)
• M3: 1,386,473 km (0.073 R)
• M4: 1,828,535 km (0.115 R)
• M5: 2,237,236 km (0.071 R)
• M6: 2,666,432 km (0.061 R)
• M7: 2,975,202 km (0.06 R)
• M8: 3,616,379 km (0.039 R)
• M9: 4,209,534 km (0.091 R)
• M10: 4,836,200 km (0.117 R)
• M11: 5,362,036 km (0.109 R)
• M12: 6,098,507 km (0.096 R)
• M13: 7,327,304 km (0.071 R)
• M14: 8,105,811 km (0.088 R)
• M15: 9,305,436 km (0.117 R)
• M16: 10,568,641 km (0.082 R)
• M17: 13,491,484 km (0.114 R)
• M18: 16,500,047 km (0.105 R)
• M19: 20,006,471 km (0.117 R)
• M20: 20,954,922 km (0.118 R)
• M21: 21,358,836 km (0.114 R)
• M22: 22,433,547 km (0.062 R)
• M23: 27,864,099 km (0.107 R)
• M24: 28,254,550 km (0.117 R)
• M25: 30,881,937 km (0.115 R)
• M26: 32,469,619 km (0.088 R)
• M27: 35,121,840 km (0.118 R)
• M28: 35,463,222 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.7

Radius: 11.1

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.97 AU - 11.35 AU

Year: 11655 Days

Day: 10.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,440,894 km

• M1: 140,772 km (0.114 R)
• M2: 556,803 km (0.094 R)
• M3: 966,552 km (0.07 R)
• M4: 1,900,940 km (0.111 R)
• M5: 2,745,869 km (0.079 R)
• M6: 5,728,402 km (0.112 R)
• M7: 7,623,358 km (0.069 R)
• M8: 8,632,246 km (0.098 R)
• M9: 9,553,619 km (0.1 R)
• M10: 14,241,268 km (0.094 R)
• M11: 14,874,367 km (0.071 R)
• M12: 15,828,652 km (0.036 R)
• M13: 21,221,804 km (0.109 R)
• M14: 22,124,179 km (0.107 R)
• M15: 22,662,282 km (0.111 R)
• M16: 25,568,819 km (0.04 R)
• M17: 26,076,255 km (0.096 R)
• M18: 30,665,020 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.9

Radius: 8.6

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 11.88 AU - 12.48 AU

Year: 15298 Days

Day: 7.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,440,894 km

• M1: 106,962 km (0.113 R)
• M2: 586,124 km (0.085 R)
• M3: 1,000,361 km (0.087 R)
• M4: 1,556,267 km (0.106 R)
• M5: 2,224,670 km (0.114 R)
• M6: 2,692,014 km (0.101 R)
• M7: 3,681,155 km (0.108 R)
• M8: 4,059,637 km (0.089 R)
• M9: 4,692,586 km (0.112 R)
• M10: 5,173,842 km (0.101 R)
• M11: 5,725,410 km (0.102 R)
• M12: 7,434,266 km (0.114 R)
• M13: 8,831,809 km (0.106 R)
• M14: 10,283,208 km (0.039 R)
• M15: 11,701,246 km (0.099 R)
• M16: 12,716,268 km (0.061 R)
• M17: 14,775,782 km (0.087 R)
• M18: 16,113,037 km (0.099 R)
• M19: 17,127,759 km (0.109 R)
• M20: 18,771,092 km (0.107 R)
• M21: 19,370,381 km (0.073 R)
• M22: 24,836,388 km (0.097 R)
• M23: 28,252,755 km (0.068 R)
• M24: 28,700,651 km (0.118 R)
• M25: 32,824,466 km (0.081 R)
• M26: 33,819,591 km (0.056 R)
• M27: 38,960,671 km (0.072 R)
• M28: 39,376,404 km (0.119 R)
• M29: 41,644,158 km (0.047 R)
• M30: 50,759,156 km (0.063 R)
• M31: 53,271,652 km (0.099 R)
• M32: 58,906,854 km (0.036 R)
• M33: 60,005,950 km (0.117 R)
• M34: 64,152,803 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.1

Radius: 7.6

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 14.04 AU - 16.82 AU

Year: 21813 Days

Day: 15.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 121.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,440,894 km

• M1: 129,851 km (0.061 R)
• M2: 448,345 km (0.077 R)
• M3: 884,871 km (0.112 R)
• M4: 1,633,908 km (0.082 R)
• M5: 2,020,170 km (0.064 R)
• M6: 2,629,033 km (0.04 R)
• M7: 4,439,915 km (0.091 R)
• M8: 5,386,421 km (0.093 R)
• M9: 6,373,767 km (0.112 R)
• M10: 6,864,448 km (0.064 R)
• M11: 9,083,284 km (0.098 R)
• M12: 10,174,600 km (0.06 R)
• M13: 15,979,895 km (0.078 R)
• M14: 16,305,121 km (0.077 R)
• M15: 17,998,269 km (0.112 R)
• M16: 19,805,412 km (0.107 R)
• M17: 20,656,923 km (0.093 R)
• M18: 20,946,095 km (0.115 R)
• M19: 26,852,369 km (0.118 R)
• M20: 28,485,379 km (0.053 R)
• M21: 31,564,403 km (0.087 R)
• M22: 36,237,541 km (0.103 R)
• M23: 40,744,476 km (0.101 R)
• M24: 41,351,993 km (0.109 R)
• M25: 43,367,974 km (0.029 R)
• M26: 47,762,711 km (0.103 R)
• M27: 51,379,389 km (0.092 R)
• M28: 51,910,611 km (0.054 R)
• M29: 56,480,078 km (0.093 R)
• M30: 57,235,248 km (0.091 R)
• M31: 58,572,802 km (0.096 R)
• M32: 70,686,490 km (0.092 R)
• M33: 71,124,064 km (0.105 R)
• M34: 75,599,434 km (0.117 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 20,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit