🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.79 AU - 1.05 AU

Year: 327 Days

Day: 17 Hours

Environment

Temp: 41 °C

Axial Tilt: 32.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.96 AU - 1.42 AU

Year: 481 Days

Day: 40.1 Hours

Environment

Temp: -11 °C

Axial Tilt: 23.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.32 AU - 3.12 AU

Year: 1664 Days

Day: 25.1 Hours

Environment

Temp: -90 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.48 AU - 3.36 AU

Year: 1850 Days

Day: 13.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.15 AU - 3.31 AU

Year: 2153 Days

Day: 37.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.6

Radius: 13.6

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.97 AU - 5.81 AU

Year: 4641 Days

Day: 9.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,730,447 km

• M1: 169,345 km (0.053 R)
• M2: 819,348 km (0.059 R)
• M3: 1,246,449 km (0.068 R)
• M4: 1,747,902 km (0.094 R)
• M5: 2,259,377 km (0.1 R)
• M6: 2,903,695 km (0.028 R)
• M7: 3,423,846 km (0.114 R)
• M8: 4,235,714 km (0.082 R)
• M9: 5,421,128 km (0.043 R)
• M10: 6,327,242 km (0.094 R)
• M11: 8,752,074 km (0.06 R)
• M12: 9,471,939 km (0.078 R)
• M13: 10,387,627 km (0.086 R)
• M14: 11,153,718 km (0.054 R)
• M15: 11,656,666 km (0.061 R)
• M16: 13,822,394 km (0.102 R)
• M17: 18,122,884 km (0.071 R)
• M18: 20,080,971 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.4

Radius: 12.3

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.56 AU - 7.68 AU

Year: 7046 Days

Day: 5.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,730,447 km

• M1: 153,039 km (0.105 R)
• M2: 714,330 km (0.089 R)
• M3: 1,196,185 km (0.088 R)
• M4: 1,671,607 km (0.046 R)
• M5: 2,239,779 km (0.083 R)
• M6: 2,974,903 km (0.088 R)
• M7: 3,399,612 km (0.07 R)
• M8: 3,816,690 km (0.083 R)
• M9: 5,099,642 km (0.04 R)
• M10: 5,523,453 km (0.076 R)
• M11: 6,373,318 km (0.075 R)
• M12: 7,460,296 km (0.102 R)
• M13: 9,009,681 km (0.032 R)
• M14: 10,425,027 km (0.104 R)
• M15: 11,618,668 km (0.09 R)
• M16: 12,681,262 km (0.09 R)
• M17: 15,060,915 km (0.074 R)
• M18: 15,620,561 km (0.038 R)
• M19: 17,792,722 km (0.109 R)
• M20: 18,843,946 km (0.099 R)
• M21: 20,159,360 km (0.072 R)
• M22: 24,049,802 km (0.085 R)
• M23: 25,508,980 km (0.102 R)
• M24: 26,573,967 km (0.059 R)
• M25: 28,133,226 km (0.058 R)
• M26: 32,348,146 km (0.098 R)
• M27: 34,124,770 km (0.075 R)
• M28: 35,745,663 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.6

Radius: 6.6

Gravity: 14.71 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 10.73 AU - 15.37 AU

Year: 17483 Days

Day: 24.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,730,447 km

• M1: 82,129 km (0.094 R)
• M2: 439,967 km (0.106 R)
• M3: 729,439 km (0.068 R)
• M4: 1,033,123 km (0.09 R)
• M5: 1,671,607 km (0.086 R)
• M6: 2,823,959 km (0.113 R)
• M7: 3,070,795 km (0.095 R)
• M8: 3,989,775 km (0.097 R)
• M9: 5,044,440 km (0.102 R)
• M10: 7,502,632 km (0.09 R)
• M11: 9,255,022 km (0.06 R)
• M12: 11,886,897 km (0.067 R)
• M13: 13,476,524 km (0.029 R)
• M14: 15,128,085 km (0.092 R)
• M15: 15,428,477 km (0.072 R)
• M16: 15,886,546 km (0.069 R)
• M17: 17,561,444 km (0.108 R)
• M18: 18,484,163 km (0.051 R)
• M19: 19,973,111 km (0.116 R)
• M20: 23,088,636 km (0.049 R)
• M21: 29,556,351 km (0.067 R)
• M22: 35,790,842 km (0.115 R)
• M23: 36,998,994 km (0.117 R)
• M24: 38,372,901 km (0.07 R)
• M25: 39,213,342 km (0.052 R)
• M26: 50,778,454 km (0.073 R)
• M27: 53,857,029 km (0.054 R)
• M28: 55,442,018 km (0.064 R)
• M29: 67,417,028 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.6

Radius: 6.2

Gravity: 17.5 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 10.57 AU - 16.13 AU

Year: 18089 Days

Day: 20.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,730,447 km

• M1: 94,845 km (0.118 R)
• M2: 418,126 km (0.099 R)
• M3: 759,808 km (0.119 R)
• M4: 959,371 km (0.11 R)
• M5: 1,248,693 km (0.086 R)
• M6: 1,661,584 km (0.038 R)
• M7: 2,593,129 km (0.067 R)
• M8: 4,268,177 km (0.061 R)
• M9: 4,464,599 km (0.083 R)
• M10: 4,946,603 km (0.086 R)
• M11: 5,812,924 km (0.085 R)
• M12: 6,054,675 km (0.05 R)
• M13: 6,909,477 km (0.105 R)
• M14: 7,459,399 km (0.112 R)
• M15: 8,491,624 km (0.073 R)
• M16: 9,840,548 km (0.092 R)
• M17: 11,896,322 km (0.116 R)
• M18: 12,220,949 km (0.056 R)
• M19: 12,551,561 km (0.098 R)
• M20: 14,884,988 km (0.058 R)
• M21: 17,576,104 km (0.108 R)
• M22: 19,124,293 km (0.045 R)
• M23: 20,022,628 km (0.046 R)
• M24: 24,207,479 km (0.112 R)
• M25: 25,151,591 km (0.11 R)
• M26: 28,016,689 km (0.081 R)
• M27: 31,337,762 km (0.038 R)
• M28: 34,516,567 km (0.057 R)
• M29: 35,577,515 km (0.102 R)
• M30: 36,116,068 km (0.053 R)
• M31: 36,387,438 km (0.068 R)
• M32: 40,329,940 km (0.102 R)
• M33: 44,703,733 km (0.062 R)
• M34: 46,924,215 km (0.109 R)
• M35: 63,964,010 km (0.101 R)
• M36: 64,162,527 km (0.082 R)
• M37: 65,361,554 km (0.052 R)
• M38: 68,631,913 km (0.096 R)
• M39: 70,307,409 km (0.098 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 18,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit