🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.48 AU - 0.52 AU

Year: 128 Days

Day: 40.7 Hours

Environment

Temp: 212 °C

Axial Tilt: 11.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.24 AU - 1.42 AU

Year: 555 Days

Day: 42.1 Hours

Environment

Temp: -5 °C

Axial Tilt: 15.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 31,413,834 km

• M1: 32,912 km (0.079 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.15 AU - 1.71 AU

Year: 618 Days

Day: 18.2 Hours

Environment

Temp: -27 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,413,834 km

• M1: 108,159 km (0.106 R)
• M2: 279,299 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.79 AU - 2.93 AU

Year: 1311 Days

Day: 45.7 Hours

Environment

Temp: -70 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.02 AU - 3.24 AU

Year: 2003 Days

Day: 32.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.09 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.6

Radius: 11.5

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.07 AU - 6.03 AU

Year: 4104 Days

Day: 9.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 31,413,834 km

• M1: 143,016 km (0.112 R)
• M2: 636,090 km (0.079 R)
• M3: 1,294,919 km (0.077 R)
• M4: 1,839,755 km (0.051 R)
• M5: 2,634,419 km (0.085 R)
• M6: 3,197,654 km (0.028 R)
• M7: 4,492,274 km (0.107 R)
• M8: 5,466,306 km (0.105 R)
• M9: 6,292,984 km (0.107 R)
• M10: 7,032,745 km (0.102 R)
• M11: 7,793,750 km (0.066 R)
• M12: 8,268,723 km (0.117 R)
• M13: 8,647,206 km (0.031 R)
• M14: 11,350,888 km (0.046 R)
• M15: 11,914,423 km (0.108 R)
• M16: 12,744,392 km (0.05 R)
• M17: 13,456,628 km (0.086 R)
• M18: 14,087,931 km (0.042 R)
• M19: 15,752,955 km (0.09 R)
• M20: 16,454,419 km (0.106 R)
• M21: 17,237,714 km (0.091 R)
• M22: 17,982,711 km (0.08 R)
• M23: 18,363,139 km (0.118 R)
• M24: 20,690,732 km (0.088 R)
• M25: 21,249,181 km (0.049 R)
• M26: 23,887,638 km (0.036 R)
• M27: 25,048,817 km (0.069 R)
• M28: 26,655,199 km (0.089 R)
• M29: 27,150,218 km (0.096 R)
• M30: 27,567,447 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223

Radius: 8.5

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.53 AU - 8.65 AU

Year: 6827 Days

Day: 5.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,413,834 km

• M1: 106,214 km (0.06 R)
• M2: 494,122 km (0.111 R)
• M3: 800,049 km (0.101 R)
• M4: 1,354,010 km (0.063 R)
• M5: 1,772,136 km (0.1 R)
• M6: 2,364,544 km (0.03 R)
• M7: 3,010,358 km (0.054 R)
• M8: 3,624,158 km (0.079 R)
• M9: 5,577,906 km (0.112 R)
• M10: 6,874,471 km (0.107 R)
• M11: 7,392,528 km (0.082 R)
• M12: 7,661,057 km (0.035 R)
• M13: 9,141,776 km (0.065 R)
• M14: 9,412,399 km (0.114 R)
• M15: 11,504,675 km (0.105 R)
• M16: 13,636,893 km (0.059 R)
• M17: 14,144,179 km (0.109 R)
• M18: 15,852,737 km (0.045 R)
• M19: 19,355,870 km (0.102 R)
• M20: 20,984,542 km (0.079 R)
• M21: 21,660,874 km (0.112 R)
• M22: 23,343,401 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.2

Radius: 11.3

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.77 AU - 10.95 AU

Year: 10356 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,413,834 km

• M1: 140,772 km (0.054 R)
• M2: 653,294 km (0.112 R)
• M3: 2,449,815 km (0.089 R)
• M4: 3,021,877 km (0.072 R)
• M5: 3,877,278 km (0.098 R)
• M6: 5,260,310 km (0.118 R)
• M7: 5,681,278 km (0.073 R)
• M8: 6,094,468 km (0.079 R)
• M9: 8,699,415 km (0.064 R)
• M10: 11,223,131 km (0.095 R)
• M11: 12,455,220 km (0.078 R)
• M12: 13,411,150 km (0.09 R)
• M13: 15,525,716 km (0.082 R)
• M14: 16,101,817 km (0.066 R)
• M15: 18,614,613 km (0.057 R)
• M16: 19,199,241 km (0.063 R)
• M17: 19,930,476 km (0.092 R)
• M18: 21,732,831 km (0.064 R)
• M19: 25,262,293 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.7

Radius: 13.7

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.95 AU - 13.33 AU

Year: 13447 Days

Day: 12.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,413,834 km

• M1: 170,392 km (0.045 R)
• M2: 669,750 km (0.069 R)
• M3: 1,129,464 km (0.089 R)
• M4: 2,281,068 km (0.092 R)
• M5: 3,656,621 km (0.039 R)
• M6: 4,907,109 km (0.077 R)
• M7: 5,460,771 km (0.11 R)
• M8: 6,019,669 km (0.074 R)
• M9: 6,693,906 km (0.068 R)
• M10: 8,194,074 km (0.056 R)
• M11: 15,633,576 km (0.108 R)
• M12: 26,950,356 km (0.113 R)
• M13: 33,149,542 km (0.097 R)
• M14: 34,189,546 km (0.093 R)
• M15: 36,456,851 km (0.082 R)
• M16: 38,190,392 km (0.108 R)
• M17: 50,973,081 km (0.082 R)

Planet 10 - Gas Giant

Semi-Major Axis: 11.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.5

Radius: 10.6

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 10.03 AU - 13.59 AU

Year: 14678 Days

Day: 5.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,413,834 km

• M1: 131,945 km (0.116 R)
• M2: 483,351 km (0.116 R)
• M3: 1,875,509 km (0.112 R)
• M4: 2,319,515 km (0.077 R)
• M5: 3,156,814 km (0.108 R)
• M6: 3,700,603 km (0.095 R)
• M7: 4,065,621 km (0.113 R)
• M8: 5,084,981 km (0.08 R)
• M9: 5,508,493 km (0.08 R)
• M10: 6,078,760 km (0.096 R)
• M11: 8,103,717 km (0.038 R)
• M12: 9,667,314 km (0.045 R)
• M13: 10,769,850 km (0.105 R)
• M14: 14,749,602 km (0.093 R)
• M15: 15,148,729 km (0.09 R)
• M16: 16,694,823 km (0.087 R)
• M17: 17,316,702 km (0.044 R)
• M18: 18,672,806 km (0.093 R)
• M19: 20,098,474 km (0.117 R)
• M20: 26,031,376 km (0.057 R)
• M21: 30,576,758 km (0.055 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 16,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit