🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.58 AU - 0.94 AU

Year: 246 Days

Day: 28.5 Hours

Environment

Temp: 135 °C

Axial Tilt: 20.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.87 AU - 1.41 AU

Year: 451 Days

Day: 29.1 Hours

Environment

Temp: 9 °C

Axial Tilt: 22.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 85,388,496 km

• M1: 50,564 km (0.026 R)
• M2: 420,071 km (0.072 R)

Asteroid Belt

Center: 1.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.29 AU - 2.09 AU

Year: 815 Days

Day: 42.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.79 AU - 2.05 AU

Year: 987 Days

Day: 34.2 Hours

Environment

Temp: -71 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,388,496 km

• M1: 216,917 km (0.082 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.58 AU - 2.36 AU

Year: 1025 Days

Day: 25.6 Hours

Environment

Temp: -71 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,388,496 km

• M1: 102,325 km (0.111 R)

Asteroid Belt

Center: 4.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.9

Radius: 9.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.73 AU - 7.11 AU

Year: 6033 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,388,496 km

• M1: 121,922 km (0.077 R)
• M2: 602,879 km (0.061 R)
• M3: 936,483 km (0.079 R)
• M4: 1,619,098 km (0.109 R)
• M5: 2,421,990 km (0.104 R)
• M6: 2,846,399 km (0.111 R)
• M7: 3,375,676 km (0.073 R)
• M8: 4,313,954 km (0.1 R)
• M9: 4,940,619 km (0.108 R)
• M10: 5,979,277 km (0.115 R)
• M11: 8,803,535 km (0.093 R)
• M12: 9,734,184 km (0.058 R)
• M13: 11,443,639 km (0.059 R)
• M14: 12,144,654 km (0.089 R)
• M15: 16,140,413 km (0.111 R)
• M16: 18,701,230 km (0.096 R)
• M17: 19,735,400 km (0.086 R)
• M18: 20,807,269 km (0.087 R)
• M19: 21,718,768 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.4

Radius: 14.3

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.64 AU - 8.86 AU

Year: 8788 Days

Day: 11.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,388,496 km

• M1: 181,163 km (0.106 R)
• M2: 673,041 km (0.107 R)
• M3: 1,529,040 km (0.065 R)
• M4: 1,987,258 km (0.084 R)
• M5: 3,730,223 km (0.064 R)
• M6: 5,587,181 km (0.028 R)
• M7: 6,517,530 km (0.102 R)
• M8: 8,337,987 km (0.037 R)
• M9: 9,044,538 km (0.115 R)
• M10: 10,327,489 km (0.073 R)
• M11: 13,253,025 km (0.11 R)
• M12: 14,155,250 km (0.116 R)
• M13: 14,715,943 km (0.086 R)
• M14: 17,248,634 km (0.095 R)
• M15: 18,178,236 km (0.111 R)
• M16: 20,609,051 km (0.062 R)
• M17: 24,740,197 km (0.074 R)
• M18: 25,281,442 km (0.114 R)
• M19: 26,574,865 km (0.084 R)
• M20: 31,345,541 km (0.064 R)
• M21: 33,163,754 km (0.065 R)
• M22: 34,488,892 km (0.094 R)
• M23: 35,391,864 km (0.117 R)
• M24: 37,362,816 km (0.1 R)
• M25: 38,315,156 km (0.081 R)
• M26: 39,651,065 km (0.119 R)
• M27: 40,144,439 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.9

Radius: 6.6

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 11.65 AU - 15.53 AU

Year: 18579 Days

Day: 21.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,388,496 km

• M1: 82,728 km (0.068 R)
• M2: 340,335 km (0.12 R)
• M3: 560,244 km (0.101 R)
• M4: 964,906 km (0.067 R)
• M5: 1,614,011 km (0.11 R)
• M6: 1,832,574 km (0.119 R)
• M7: 2,227,961 km (0.066 R)
• M8: 3,507,771 km (0.119 R)
• M9: 3,732,467 km (0.111 R)
• M10: 4,026,576 km (0.077 R)
• M11: 5,584,638 km (0.101 R)
• M12: 6,169,566 km (0.08 R)
• M13: 9,026,736 km (0.063 R)
• M14: 9,289,729 km (0.037 R)
• M15: 11,156,411 km (0.066 R)
• M16: 17,008,231 km (0.081 R)
• M17: 17,248,485 km (0.1 R)
• M18: 17,572,364 km (0.063 R)
• M19: 18,232,390 km (0.103 R)
• M20: 19,166,629 km (0.061 R)
• M21: 22,160,531 km (0.054 R)
• M22: 23,818,225 km (0.06 R)
• M23: 24,728,378 km (0.114 R)
• M24: 26,725,809 km (0.1 R)
• M25: 27,268,849 km (0.088 R)
• M26: 29,399,422 km (0.077 R)
• M27: 37,390,342 km (0.099 R)
• M28: 47,661,582 km (0.1 R)
• M29: 51,240,861 km (0.077 R)
• M30: 51,574,764 km (0.117 R)
• M31: 65,370,679 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.7

Radius: 4.3

Gravity: 32 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 14.65 AU - 18.99 AU

Year: 25583 Days

Day: 23.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,388,496 km

• M1: 53,406 km (0.064 R)
• M2: 224,247 km (0.09 R)
• M3: 472,729 km (0.076 R)
• M4: 901,626 km (0.029 R)
• M5: 1,808,937 km (0.069 R)
• M6: 2,221,977 km (0.082 R)
• M7: 2,357,513 km (0.108 R)
• M8: 2,522,669 km (0.091 R)
• M9: 3,120,163 km (0.11 R)
• M10: 3,348,599 km (0.111 R)
• M11: 4,481,952 km (0.108 R)
• M12: 6,558,071 km (0.057 R)
• M13: 8,633,443 km (0.062 R)
• M14: 9,788,787 km (0.076 R)
• M15: 16,446,341 km (0.07 R)
• M16: 17,313,560 km (0.073 R)
• M17: 24,810,657 km (0.117 R)
• M18: 30,210,243 km (0.072 R)
• M19: 31,245,610 km (0.096 R)
• M20: 31,508,154 km (0.034 R)
• M21: 33,386,804 km (0.035 R)
• M22: 36,779,085 km (0.051 R)
• M23: 36,925,093 km (0.092 R)
• M24: 37,218,604 km (0.075 R)
• M25: 37,661,563 km (0.119 R)
• M26: 38,257,711 km (0.066 R)
• M27: 42,930,849 km (0.08 R)
• M28: 47,622,837 km (0.052 R)
• M29: 51,906,871 km (0.088 R)
• M30: 53,765,325 km (0.115 R)
• M31: 66,937,118 km (0.119 R)
• M32: 75,552,460 km (0.077 R)
• M33: 77,455,644 km (0.09 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 12,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit