🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.83 AU - 1.25 AU

Year: 384 Days

Day: 34 Hours

Environment

Temp: 35 °C

Axial Tilt: 39 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.06 AU - 1.6 AU

Year: 555 Days

Day: 23.2 Hours

Environment

Temp: 11 °C

Axial Tilt: 5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.21 AU - 1.85 AU

Year: 684 Days

Day: 47.5 Hours

Environment

Temp: -40 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.64 AU - 3.48 AU

Year: 1936 Days

Day: 15.8 Hours

Environment

Temp: -93 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.4

Radius: 8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.12 AU - 6.24 AU

Year: 4896 Days

Day: 14.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,111,746 km

• M1: 99,483 km (0.029 R)
• M2: 596,596 km (0.116 R)
• M3: 979,118 km (0.101 R)
• M4: 3,045,065 km (0.116 R)
• M5: 3,799,337 km (0.117 R)
• M6: 4,610,158 km (0.086 R)
• M7: 5,100,689 km (0.11 R)
• M8: 5,462,117 km (0.116 R)
• M9: 6,756,139 km (0.065 R)
• M10: 7,192,516 km (0.045 R)
• M11: 7,618,571 km (0.078 R)
• M12: 8,709,887 km (0.117 R)
• M13: 9,936,590 km (0.031 R)
• M14: 11,772,156 km (0.12 R)
• M15: 14,481,822 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.1

Radius: 9.9

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.93 AU - 6.31 AU

Year: 5475 Days

Day: 14.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,111,746 km

• M1: 125,064 km (0.092 R)
• M2: 449,392 km (0.028 R)
• M3: 838,795 km (0.025 R)
• M4: 1,242,710 km (0.094 R)
• M5: 1,946,867 km (0.095 R)
• M6: 2,352,875 km (0.095 R)
• M7: 2,782,221 km (0.116 R)
• M8: 3,245,526 km (0.097 R)
• M9: 3,621,316 km (0.107 R)
• M10: 4,574,553 km (0.077 R)
• M11: 7,001,480 km (0.077 R)
• M12: 10,062,701 km (0.055 R)
• M13: 10,742,773 km (0.106 R)
• M14: 11,754,952 km (0.081 R)
• M15: 14,164,226 km (0.077 R)
• M16: 14,814,378 km (0.11 R)
• M17: 16,774,409 km (0.101 R)
• M18: 17,559,200 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.4

Radius: 10.2

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.85 AU - 10.59 AU

Year: 9312 Days

Day: 13.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,111,746 km

• M1: 126,859 km (0.073 R)
• M2: 492,177 km (0.077 R)
• M3: 845,976 km (0.106 R)
• M4: 1,210,097 km (0.096 R)
• M5: 1,945,072 km (0.096 R)
• M6: 2,700,391 km (0.107 R)
• M7: 3,469,923 km (0.071 R)
• M8: 3,793,802 km (0.09 R)
• M9: 5,243,106 km (0.12 R)
• M10: 7,553,196 km (0.109 R)
• M11: 8,635,537 km (0.118 R)
• M12: 9,649,212 km (0.088 R)
• M13: 10,076,165 km (0.055 R)
• M14: 15,010,501 km (0.115 R)
• M15: 17,207,046 km (0.067 R)
• M16: 18,741,472 km (0.082 R)
• M17: 19,745,722 km (0.038 R)
• M18: 21,861,186 km (0.057 R)
• M19: 22,524,203 km (0.036 R)
• M20: 23,813,139 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.2

Radius: 6

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 13.43 AU - 16.51 AU

Year: 20947 Days

Day: 15.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,111,746 km

• M1: 79,885 km (0.056 R)
• M2: 351,106 km (0.118 R)
• M3: 781,200 km (0.045 R)
• M4: 1,210,097 km (0.096 R)
• M5: 2,415,557 km (0.06 R)
• M6: 2,617,364 km (0.091 R)
• M7: 2,953,810 km (0.091 R)
• M8: 3,456,160 km (0.114 R)
• M9: 4,461,756 km (0.118 R)
• M10: 5,649,264 km (0.072 R)
• M11: 8,578,690 km (0.058 R)
• M12: 10,162,632 km (0.047 R)
• M13: 11,176,756 km (0.086 R)
• M14: 12,587,015 km (0.099 R)
• M15: 19,152,866 km (0.073 R)
• M16: 25,063,926 km (0.111 R)
• M17: 44,516,586 km (0.111 R)
• M18: 45,611,942 km (0.092 R)
• M19: 54,850,957 km (0.115 R)
• M20: 66,471,719 km (0.113 R)
• M21: 67,082,079 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.3

Radius: 5.5

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 17.95 AU - 19.99 AU

Year: 29881 Days

Day: 23.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,111,746 km

• M1: 75,248 km (0.092 R)
• M2: 278,252 km (0.042 R)
• M3: 752,627 km (0.081 R)
• M4: 1,833,771 km (0.043 R)
• M5: 4,857,293 km (0.107 R)
• M6: 5,031,724 km (0.08 R)
• M7: 7,556,338 km (0.067 R)
• M8: 7,790,908 km (0.1 R)
• M9: 11,542,822 km (0.08 R)
• M10: 14,620,948 km (0.097 R)
• M11: 16,503,787 km (0.103 R)
• M12: 22,239,369 km (0.08 R)
• M13: 24,006,868 km (0.099 R)
• M14: 26,722,368 km (0.08 R)
• M15: 42,812,667 km (0.097 R)
• M16: 46,313,706 km (0.064 R)
• M17: 48,214,047 km (0.116 R)
• M18: 56,692,357 km (0.071 R)
• M19: 63,956,231 km (0.057 R)

Kuiper Belt

Range: 30.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 16,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit