🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.64 AU - 0.76 AU

Year: 217 Days

Day: 39.5 Hours

Environment

Temp: 173 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.04 AU - 1.46 AU

Year: 518 Days

Day: 16.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 16.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 100,361,740 km

• M1: 49,517 km (0.085 R)
• M2: 111,301 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.07 AU - 1.45 AU

Year: 525 Days

Day: 34.2 Hours

Environment

Temp: -2 °C

Axial Tilt: 23.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 100,361,740 km

• M1: 57,595 km (0.039 R)
• M2: 90,507 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.05 AU - 1.61 AU

Year: 569 Days

Day: 30.2 Hours

Environment

Temp: -23 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 100,361,740 km

• M1: 38,447 km (0.065 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.31 AU - 1.47 AU

Year: 608 Days

Day: 30.3 Hours

Environment

Temp: -42 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 100,361,740 km

• M1: 42,935 km (0.026 R)
• M2: 190,588 km (0.083 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.33 AU - 4.11 AU

Year: 2661 Days

Day: 37 Hours

Environment

Temp: -120 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230

Radius: 11.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.27 AU - 9.53 AU

Year: 9029 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 100,361,740 km

• M1: 147,952 km (0.114 R)
• M2: 524,789 km (0.038 R)
• M3: 1,343,987 km (0.057 R)
• M4: 1,781,411 km (0.117 R)
• M5: 2,877,365 km (0.055 R)
• M6: 3,792,007 km (0.112 R)
• M7: 4,944,359 km (0.111 R)
• M8: 5,645,973 km (0.087 R)
• M9: 6,509,303 km (0.117 R)
• M10: 7,006,865 km (0.045 R)
• M11: 10,411,862 km (0.105 R)
• M12: 10,955,052 km (0.102 R)
• M13: 13,110,757 km (0.042 R)
• M14: 13,960,473 km (0.09 R)
• M15: 18,571,828 km (0.102 R)
• M16: 19,304,259 km (0.113 R)
• M17: 22,428,012 km (0.102 R)
• M18: 25,142,316 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735

Radius: 14.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.73 AU - 10.69 AU

Year: 9533 Days

Day: 11.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 100,361,740 km

• M1: 180,565 km (0.081 R)
• M2: 631,453 km (0.1 R)
• M3: 1,288,038 km (0.066 R)
• M4: 2,041,413 km (0.119 R)
• M5: 3,233,558 km (0.12 R)
• M6: 6,242,420 km (0.114 R)
• M7: 7,229,915 km (0.117 R)
• M8: 8,058,538 km (0.092 R)
• M9: 8,630,451 km (0.105 R)
• M10: 13,064,681 km (0.1 R)
• M11: 19,681,245 km (0.098 R)
• M12: 25,908,406 km (0.099 R)
• M13: 27,648,828 km (0.067 R)
• M14: 28,547,612 km (0.097 R)
• M15: 30,298,655 km (0.082 R)
• M16: 31,361,548 km (0.103 R)
• M17: 32,449,274 km (0.057 R)
• M18: 33,225,388 km (0.082 R)
• M19: 36,573,687 km (0.104 R)
• M20: 39,134,504 km (0.117 R)
• M21: 41,943,353 km (0.097 R)
• M22: 46,265,086 km (0.079 R)
• M23: 46,825,330 km (0.068 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.4

Radius: 10.7

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.84 AU - 13.78 AU

Year: 14106 Days

Day: 5.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 100,361,740 km

• M1: 133,142 km (0.1 R)
• M2: 525,238 km (0.093 R)
• M3: 861,235 km (0.097 R)
• M4: 1,388,717 km (0.083 R)
• M5: 2,017,327 km (0.078 R)
• M6: 2,782,969 km (0.118 R)
• M7: 3,197,056 km (0.066 R)
• M8: 4,693,334 km (0.059 R)
• M9: 5,739,322 km (0.102 R)
• M10: 7,353,184 km (0.092 R)
• M11: 8,058,538 km (0.104 R)
• M12: 9,150,752 km (0.11 R)
• M13: 10,886,686 km (0.079 R)
• M14: 12,340,628 km (0.115 R)
• M15: 13,723,809 km (0.089 R)
• M16: 14,656,103 km (0.109 R)
• M17: 16,795,652 km (0.11 R)
• M18: 19,299,023 km (0.11 R)
• M19: 20,897,775 km (0.114 R)
• M20: 21,245,291 km (0.11 R)
• M21: 23,041,064 km (0.088 R)
• M22: 25,033,408 km (0.054 R)
• M23: 27,551,889 km (0.043 R)
• M24: 31,810,790 km (0.059 R)
• M25: 33,087,010 km (0.088 R)
• M26: 34,517,913 km (0.085 R)
• M27: 40,252,000 km (0.085 R)
• M28: 41,607,207 km (0.118 R)
• M29: 44,983,631 km (0.071 R)
• M30: 46,295,455 km (0.104 R)
• M31: 47,035,216 km (0.107 R)
• M32: 51,324,486 km (0.114 R)
• M33: 53,078,521 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.1

Radius: 6.3

Gravity: 24.47 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 12.65 AU - 20.87 AU

Year: 25446 Days

Day: 18.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 100,361,740 km

• M1: 78,389 km (0.077 R)
• M2: 396,883 km (0.089 R)
• M3: 868,715 km (0.049 R)
• M4: 1,721,722 km (0.033 R)
• M5: 3,272,902 km (0.095 R)
• M6: 3,781,385 km (0.108 R)
• M7: 4,268,326 km (0.078 R)
• M8: 5,451,795 km (0.078 R)
• M9: 7,245,922 km (0.104 R)
• M10: 8,219,655 km (0.108 R)
• M11: 8,737,862 km (0.107 R)
• M12: 9,649,811 km (0.097 R)
• M13: 9,903,379 km (0.07 R)
• M14: 10,962,233 km (0.108 R)
• M15: 12,538,695 km (0.088 R)
• M16: 21,523,693 km (0.076 R)
• M17: 21,956,928 km (0.114 R)
• M18: 22,395,848 km (0.113 R)
• M19: 22,617,552 km (0.068 R)
• M20: 23,405,036 km (0.099 R)
• M21: 25,877,140 km (0.061 R)
• M22: 28,778,591 km (0.095 R)
• M23: 29,040,687 km (0.118 R)
• M24: 39,250,891 km (0.086 R)
• M25: 43,581,151 km (0.11 R)
• M26: 46,398,228 km (0.065 R)
• M27: 46,939,623 km (0.1 R)
• M28: 57,005,615 km (0.052 R)
• M29: 66,571,800 km (0.077 R)
• M30: 74,656,817 km (0.081 R)
• M31: 78,934,269 km (0.067 R)
• M32: 85,787,647 km (0.097 R)
• M33: 93,600,097 km (0.038 R)
• M34: 98,865,044 km (0.092 R)
• M35: 99,163,193 km (0.062 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 18,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit