🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.41 AU - 0.65 AU

Year: 138 Days

Day: 18.6 Hours

Environment

Temp: 254 °C

Axial Tilt: 2.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.63 AU - 0.73 AU

Year: 201 Days

Day: 33.5 Hours

Environment

Temp: 223 °C

Axial Tilt: 12.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.65 AU - 1.07 AU

Year: 286 Days

Day: 40.9 Hours

Environment

Temp: 128 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,740,158 km

• M1: 33,660 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.87 AU - 1.07 AU

Year: 342 Days

Day: 30.5 Hours

Environment

Temp: 82 °C

Axial Tilt: 23 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,740,158 km

• M1: 18,251 km (0.074 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.13 AU - 1.33 AU

Year: 489 Days

Day: 40.2 Hours

Environment

Temp: 3 °C

Axial Tilt: 36.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.48 AU - 1.52 AU

Year: 658 Days

Day: 12.6 Hours

Environment

Temp: -35 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.64 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505

Radius: 12.4

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.65 AU - 6.91 AU

Year: 4977 Days

Day: 11.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,740,158 km

• M1: 154,235 km (0.118 R)
• M2: 618,587 km (0.08 R)
• M3: 1,134,849 km (0.106 R)
• M4: 1,808,040 km (0.095 R)
• M5: 2,289,147 km (0.103 R)
• M6: 2,855,375 km (0.077 R)
• M7: 3,413,973 km (0.111 R)
• M8: 3,826,115 km (0.081 R)
• M9: 4,294,805 km (0.102 R)
• M10: 4,953,933 km (0.058 R)
• M11: 6,474,745 km (0.063 R)
• M12: 8,250,472 km (0.086 R)
• M13: 8,883,570 km (0.116 R)
• M14: 9,468,797 km (0.065 R)
• M15: 16,123,808 km (0.043 R)
• M16: 16,701,705 km (0.072 R)
• M17: 18,083,241 km (0.116 R)
• M18: 22,828,934 km (0.11 R)
• M19: 23,411,020 km (0.06 R)
• M20: 24,604,661 km (0.119 R)
• M21: 26,710,401 km (0.045 R)
• M22: 27,113,268 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.6

Radius: 10.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.14 AU - 8.42 AU

Year: 8533 Days

Day: 5.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,740,158 km

• M1: 130,599 km (0.101 R)
• M2: 478,115 km (0.107 R)
• M3: 894,894 km (0.082 R)
• M4: 2,042,161 km (0.048 R)
• M5: 2,519,527 km (0.101 R)
• M6: 2,852,383 km (0.045 R)
• M7: 5,454,189 km (0.083 R)
• M8: 7,074,783 km (0.102 R)
• M9: 9,338,497 km (0.099 R)
• M10: 10,658,549 km (0.081 R)
• M11: 11,043,614 km (0.109 R)
• M12: 11,638,864 km (0.118 R)
• M13: 13,721,715 km (0.049 R)
• M14: 15,362,654 km (0.112 R)
• M15: 16,041,828 km (0.111 R)
• M16: 17,065,377 km (0.096 R)
• M17: 25,397,081 km (0.085 R)
• M18: 31,354,367 km (0.116 R)
• M19: 34,185,058 km (0.045 R)
• M20: 35,662,487 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.7

Radius: 4.7

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 14.08 AU - 16.7 AU

Year: 21624 Days

Day: 19.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,740,158 km

• M1: 83,924 km (0.089 R)
• M2: 1,114,355 km (0.118 R)
• M3: 1,748,201 km (0.05 R)
• M4: 2,152,265 km (0.054 R)
• M5: 4,091,801 km (0.053 R)
• M6: 4,738,213 km (0.063 R)
• M7: 5,552,923 km (0.1 R)
• M8: 7,371,435 km (0.095 R)
• M9: 7,581,171 km (0.064 R)
• M10: 9,405,218 km (0.118 R)
• M11: 9,701,871 km (0.033 R)
• M12: 10,004,806 km (0.113 R)
• M13: 11,446,481 km (0.114 R)
• M14: 12,659,570 km (0.115 R)
• M15: 16,881,073 km (0.108 R)
• M16: 21,439,918 km (0.057 R)
• M17: 22,040,105 km (0.113 R)
• M18: 22,475,734 km (0.082 R)
• M19: 28,057,081 km (0.115 R)
• M20: 35,915,457 km (0.12 R)
• M21: 37,497,155 km (0.076 R)
• M22: 40,408,330 km (0.116 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 18,388 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit