🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.78 AU - 0.82 AU

Year: 250 Days

Day: 12.7 Hours

Environment

Temp: 194 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.77 AU - 0.95 AU

Year: 279 Days

Day: 43.8 Hours

Environment

Temp: 101 °C

Axial Tilt: 9.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 104,463,965 km

• M1: 160,668 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.25 AU - 1.43 AU

Year: 543 Days

Day: 21.3 Hours

Environment

Temp: 6 °C

Axial Tilt: 12.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.01 AU - 2.19 AU

Year: 1065 Days

Day: 12.1 Hours

Environment

Temp: -48 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.5

Radius: 13.3

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 10.53 AU - 12.31 AU

Year: 13501 Days

Day: 12.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 104,463,965 km

• M1: 165,455 km (0.1 R)
• M2: 610,060 km (0.116 R)
• M3: 1,232,088 km (0.096 R)
• M4: 1,979,629 km (0.076 R)
• M5: 3,953,573 km (0.095 R)
• M6: 4,508,730 km (0.103 R)
• M7: 4,976,074 km (0.092 R)
• M8: 5,475,731 km (0.12 R)
• M9: 6,247,955 km (0.086 R)
• M10: 6,873,873 km (0.109 R)
• M11: 8,851,556 km (0.068 R)
• M12: 10,479,780 km (0.097 R)
• M13: 14,180,532 km (0.057 R)
• M14: 17,110,556 km (0.075 R)
• M15: 18,421,931 km (0.116 R)
• M16: 22,087,228 km (0.073 R)
• M17: 22,952,353 km (0.072 R)
• M18: 28,176,460 km (0.096 R)
• M19: 34,783,001 km (0.101 R)
• M20: 36,350,338 km (0.098 R)
• M21: 37,151,434 km (0.083 R)
• M22: 39,625,484 km (0.062 R)
• M23: 58,259,395 km (0.094 R)
• M24: 61,970,469 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.1

Radius: 4.8

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 12.47 AU - 14.75 AU

Year: 17566 Days

Day: 15.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 104,463,965 km

• M1: 75,846 km (0.025 R)
• M2: 264,190 km (0.116 R)
• M3: 535,560 km (0.092 R)
• M4: 806,482 km (0.099 R)
• M5: 1,118,693 km (0.12 R)
• M6: 1,883,138 km (0.096 R)
• M7: 2,337,168 km (0.091 R)
• M8: 2,671,519 km (0.041 R)
• M9: 3,483,985 km (0.058 R)
• M10: 4,391,745 km (0.091 R)
• M11: 10,517,179 km (0.1 R)
• M12: 14,712,651 km (0.053 R)
• M13: 18,506,005 km (0.064 R)
• M14: 23,608,938 km (0.118 R)
• M15: 25,812,514 km (0.058 R)
• M16: 26,963,969 km (0.09 R)
• M17: 28,450,972 km (0.078 R)
• M18: 32,792,900 km (0.118 R)
• M19: 37,072,447 km (0.12 R)
• M20: 39,282,755 km (0.076 R)
• M21: 40,675,960 km (0.108 R)
• M22: 41,449,531 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.3

Radius: 7.4

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 12.25 AU - 19.36 AU

Year: 21972 Days

Day: 15.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 104,463,965 km

• M1: 92,601 km (0.096 R)
• M2: 367,263 km (0.081 R)
• M3: 702,811 km (0.066 R)
• M4: 1,172,847 km (0.117 R)
• M5: 2,527,606 km (0.094 R)
• M6: 2,847,895 km (0.099 R)
• M7: 4,126,358 km (0.075 R)
• M8: 4,377,084 km (0.089 R)
• M9: 7,757,547 km (0.096 R)
• M10: 8,189,586 km (0.114 R)
• M11: 8,486,388 km (0.056 R)
• M12: 12,697,269 km (0.086 R)
• M13: 20,287,865 km (0.073 R)
• M14: 21,854,903 km (0.101 R)
• M15: 24,202,093 km (0.069 R)
• M16: 26,069,224 km (0.114 R)
• M17: 27,256,433 km (0.052 R)
• M18: 32,612,934 km (0.111 R)
• M19: 34,372,654 km (0.077 R)
• M20: 36,593,584 km (0.027 R)
• M21: 41,030,208 km (0.092 R)
• M22: 44,888,935 km (0.117 R)
• M23: 49,144,995 km (0.064 R)
• M24: 59,365,821 km (0.098 R)
• M25: 64,676,545 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.7

Radius: 6.5

Gravity: 16.99 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 17.53 AU - 22.59 AU

Year: 31432 Days

Day: 18.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 151.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 104,463,965 km

• M1: 80,783 km (0.116 R)
• M2: 854,802 km (0.037 R)
• M3: 1,207,554 km (0.088 R)
• M4: 1,597,256 km (0.075 R)
• M5: 1,832,125 km (0.045 R)
• M6: 2,497,237 km (0.037 R)
• M7: 3,832,099 km (0.115 R)
• M8: 4,480,007 km (0.089 R)
• M9: 4,910,401 km (0.076 R)
• M10: 5,991,395 km (0.096 R)
• M11: 7,487,673 km (0.109 R)
• M12: 8,732,327 km (0.102 R)
• M13: 10,643,889 km (0.034 R)
• M14: 12,818,144 km (0.075 R)
• M15: 15,013,493 km (0.085 R)
• M16: 17,733,332 km (0.083 R)
• M17: 18,216,533 km (0.117 R)
• M18: 20,342,019 km (0.083 R)
• M19: 20,764,932 km (0.077 R)
• M20: 23,657,557 km (0.05 R)
• M21: 24,598,827 km (0.118 R)
• M22: 26,681,827 km (0.111 R)
• M23: 27,444,178 km (0.086 R)
• M24: 35,273,981 km (0.109 R)
• M25: 37,440,757 km (0.114 R)
• M26: 42,895,843 km (0.05 R)
• M27: 46,629,806 km (0.12 R)
• M28: 47,364,780 km (0.104 R)
• M29: 54,330,655 km (0.112 R)
• M30: 59,981,715 km (0.08 R)
• M31: 60,632,765 km (0.058 R)
• M32: 62,170,332 km (0.11 R)
• M33: 63,060,589 km (0.092 R)
• M34: 68,108,769 km (0.08 R)
• M35: 68,817,414 km (0.08 R)
• M36: 72,680,031 km (0.069 R)
• M37: 83,501,642 km (0.044 R)
• M38: 85,677,693 km (0.116 R)
• M39: 93,882,837 km (0.046 R)
• M40: 95,054,188 km (0.095 R)
• M41: 104,463,894 km (0.058 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 19,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit