🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.53 AU - 0.57 AU

Year: 154 Days

Day: 14.5 Hours

Environment

Temp: 172 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,070,146 km

• M1: 130,001 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.58 AU - 0.8 AU

Year: 217 Days

Day: 35.2 Hours

Environment

Temp: 166 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,070,146 km

• M1: 219,759 km (0.031 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.82 AU - 0.84 AU

Year: 286 Days

Day: 36.9 Hours

Environment

Temp: 94 °C

Axial Tilt: 2.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.21 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.31 AU - 1.85 AU

Year: 752 Days

Day: 46.7 Hours

Environment

Temp: -53 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.66 AU - 3.56 AU

Year: 2077 Days

Day: 28.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.2

Radius: 14.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.6 AU - 6.58 AU

Year: 5006 Days

Day: 5.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,070,146 km

• M1: 181,761 km (0.067 R)
• M2: 807,230 km (0.11 R)
• M3: 1,300,305 km (0.098 R)
• M4: 1,906,326 km (0.077 R)
• M5: 2,402,093 km (0.104 R)
• M6: 3,212,315 km (0.093 R)
• M7: 4,059,787 km (0.073 R)
• M8: 5,052,070 km (0.081 R)
• M9: 5,780,013 km (0.056 R)
• M10: 7,873,336 km (0.116 R)
• M11: 9,788,338 km (0.11 R)
• M12: 10,476,339 km (0.087 R)
• M13: 12,142,859 km (0.049 R)
• M14: 14,687,070 km (0.108 R)
• M15: 17,506,242 km (0.112 R)
• M16: 18,781,265 km (0.087 R)
• M17: 19,508,460 km (0.083 R)
• M18: 20,323,020 km (0.097 R)
• M19: 23,429,570 km (0.106 R)
• M20: 23,963,784 km (0.069 R)
• M21: 28,620,616 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.8

Radius: 10.5

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.42 AU - 5.99 AU

Year: 5154 Days

Day: 8.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,070,146 km

• M1: 130,599 km (0.083 R)
• M2: 825,182 km (0.035 R)
• M3: 1,535,473 km (0.063 R)
• M4: 3,151,728 km (0.111 R)
• M5: 3,508,369 km (0.114 R)
• M6: 5,602,291 km (0.093 R)
• M7: 6,128,576 km (0.081 R)
• M8: 8,685,054 km (0.115 R)
• M9: 10,305,349 km (0.085 R)
• M10: 12,262,388 km (0.102 R)
• M11: 16,483,142 km (0.06 R)
• M12: 21,303,335 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.1

Radius: 10.8

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.21 AU - 6.59 AU

Year: 6132 Days

Day: 7.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,070,146 km

• M1: 134,339 km (0.077 R)
• M2: 1,050,327 km (0.076 R)
• M3: 1,426,864 km (0.045 R)
• M4: 3,331,395 km (0.106 R)
• M5: 3,967,485 km (0.082 R)
• M6: 5,978,529 km (0.099 R)
• M7: 9,523,849 km (0.082 R)
• M8: 10,900,299 km (0.028 R)
• M9: 12,300,685 km (0.083 R)
• M10: 13,152,944 km (0.055 R)
• M11: 13,761,359 km (0.025 R)
• M12: 17,219,463 km (0.115 R)
• M13: 20,993,368 km (0.096 R)
• M14: 32,468,871 km (0.071 R)
• M15: 34,404,369 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.6

Radius: 9.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.93 AU - 9.99 AU

Year: 10158 Days

Day: 9.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,070,146 km

• M1: 123,269 km (0.114 R)
• M2: 666,459 km (0.069 R)
• M3: 1,263,354 km (0.091 R)
• M4: 1,639,892 km (0.085 R)
• M5: 2,204,175 km (0.074 R)
• M6: 4,061,732 km (0.056 R)
• M7: 5,275,120 km (0.049 R)
• M8: 6,097,310 km (0.073 R)
• M9: 8,075,293 km (0.052 R)
• M10: 8,483,695 km (0.081 R)
• M11: 13,819,103 km (0.112 R)
• M12: 14,168,265 km (0.061 R)
• M13: 16,649,046 km (0.119 R)
• M14: 20,065,862 km (0.117 R)
• M15: 21,353,002 km (0.117 R)
• M16: 23,262,768 km (0.071 R)
• M17: 29,192,528 km (0.099 R)
• M18: 29,575,499 km (0.086 R)
• M19: 37,729,630 km (0.089 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 15,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit