🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.43 AU - 0.59 AU

Year: 131 Days

Day: 14.2 Hours

Environment

Temp: 214 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.77 AU - 1.19 AU

Year: 349 Days

Day: 35.9 Hours

Environment

Temp: 71 °C

Axial Tilt: 41.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.38 AU - 1.46 AU

Year: 609 Days

Day: 43 Hours

Environment

Temp: -7 °C

Axial Tilt: 116 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 78,250,997 km

• M1: 56,249 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.75 AU - 2.67 AU

Year: 1182 Days

Day: 34.2 Hours

Environment

Temp: -80 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,250,997 km

• M1: 467,942 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.25 AU - 3.37 AU

Year: 1695 Days

Day: 39.9 Hours

Environment

Temp: -94 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.9

Radius: 10

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.26 AU - 6.9 AU

Year: 6074 Days

Day: 14.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,250,997 km

• M1: 125,513 km (0.051 R)
• M2: 511,176 km (0.055 R)
• M3: 1,488,200 km (0.079 R)
• M4: 1,831,826 km (0.048 R)
• M5: 2,292,587 km (0.06 R)
• M6: 3,118,517 km (0.087 R)
• M7: 3,600,372 km (0.083 R)
• M8: 4,253,516 km (0.056 R)
• M9: 5,980,175 km (0.111 R)
• M10: 6,361,949 km (0.108 R)
• M11: 11,757,345 km (0.058 R)
• M12: 12,205,989 km (0.078 R)
• M13: 13,297,456 km (0.094 R)
• M14: 15,083,804 km (0.115 R)
• M15: 21,618,089 km (0.097 R)
• M16: 22,065,836 km (0.104 R)
• M17: 22,443,570 km (0.075 R)
• M18: 23,212,354 km (0.118 R)
• M19: 26,633,657 km (0.085 R)
• M20: 29,730,333 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.1

Radius: 13.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.97 AU - 9.11 AU

Year: 8205 Days

Day: 7.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,250,997 km

• M1: 166,652 km (0.076 R)
• M2: 628,461 km (0.102 R)
• M3: 1,341,893 km (0.087 R)
• M4: 3,541,580 km (0.114 R)
• M5: 4,818,996 km (0.107 R)
• M6: 5,930,060 km (0.086 R)
• M7: 8,611,901 km (0.099 R)
• M8: 9,241,708 km (0.051 R)
• M9: 14,421,384 km (0.107 R)
• M10: 14,861,501 km (0.057 R)
• M11: 15,310,744 km (0.069 R)
• M12: 15,901,506 km (0.077 R)
• M13: 16,507,527 km (0.114 R)
• M14: 17,128,956 km (0.09 R)
• M15: 17,551,720 km (0.064 R)
• M16: 18,418,490 km (0.101 R)
• M17: 22,339,899 km (0.058 R)
• M18: 27,452,406 km (0.073 R)
• M19: 30,228,494 km (0.085 R)
• M20: 33,295,998 km (0.12 R)
• M21: 37,740,700 km (0.075 R)
• M22: 38,819,899 km (0.107 R)
• M23: 39,796,325 km (0.037 R)
• M24: 40,414,912 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.2

Radius: 7

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 14.53 AU - 19.71 AU

Year: 25493 Days

Day: 17.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,250,997 km

• M1: 87,216 km (0.066 R)
• M2: 363,074 km (0.078 R)
• M3: 1,235,678 km (0.094 R)
• M4: 1,604,886 km (0.068 R)
• M5: 1,867,430 km (0.095 R)
• M6: 2,120,550 km (0.099 R)
• M7: 2,417,202 km (0.117 R)
• M8: 2,997,343 km (0.113 R)
• M9: 3,805,919 km (0.063 R)
• M10: 6,272,340 km (0.105 R)
• M11: 6,513,342 km (0.096 R)
• M12: 9,172,893 km (0.097 R)
• M13: 10,402,886 km (0.102 R)
• M14: 11,262,176 km (0.116 R)
• M15: 11,499,140 km (0.119 R)
• M16: 12,926,602 km (0.115 R)
• M17: 20,083,065 km (0.106 R)
• M18: 20,962,551 km (0.118 R)
• M19: 21,959,322 km (0.092 R)
• M20: 22,987,358 km (0.096 R)
• M21: 23,561,515 km (0.117 R)
• M22: 30,064,983 km (0.085 R)
• M23: 32,513,452 km (0.03 R)
• M24: 34,715,233 km (0.117 R)
• M25: 41,490,072 km (0.094 R)
• M26: 48,624,394 km (0.099 R)
• M27: 51,823,545 km (0.106 R)
• M28: 58,460,454 km (0.057 R)
• M29: 60,249,196 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.6

Radius: 6.6

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 18.16 AU - 19.12 AU

Year: 28963 Days

Day: 20.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,250,997 km

• M1: 82,129 km (0.089 R)
• M2: 310,565 km (0.067 R)
• M3: 1,536,071 km (0.054 R)
• M4: 1,992,344 km (0.084 R)
• M5: 2,719,540 km (0.095 R)
• M6: 3,040,726 km (0.117 R)
• M7: 3,508,220 km (0.107 R)
• M8: 3,802,329 km (0.106 R)
• M9: 5,200,022 km (0.101 R)
• M10: 7,305,911 km (0.103 R)
• M11: 7,786,719 km (0.025 R)
• M12: 8,659,473 km (0.086 R)
• M13: 10,214,243 km (0.07 R)
• M14: 15,198,695 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.4

Radius: 3.5

Gravity: 28.36 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 15.74 AU - 21.82 AU

Year: 29290 Days

Day: 22.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,250,997 km

• M1: 46,675 km (0.113 R)
• M2: 357,838 km (0.054 R)
• M3: 757,564 km (0.1 R)
• M4: 934,388 km (0.073 R)
• M5: 1,340,247 km (0.099 R)
• M6: 1,911,711 km (0.089 R)
• M7: 2,803,314 km (0.066 R)
• M8: 3,339,473 km (0.111 R)
• M9: 7,313,690 km (0.113 R)
• M10: 7,856,282 km (0.097 R)
• M11: 8,746,838 km (0.099 R)
• M12: 9,188,301 km (0.099 R)
• M13: 11,686,885 km (0.11 R)
• M14: 12,154,229 km (0.112 R)
• M15: 14,834,125 km (0.086 R)
• M16: 17,534,516 km (0.096 R)
• M17: 17,882,630 km (0.114 R)
• M18: 34,782,851 km (0.118 R)
• M19: 36,872,285 km (0.085 R)
• M20: 43,164,670 km (0.043 R)
• M21: 44,761,478 km (0.068 R)
• M22: 48,412,564 km (0.055 R)
• M23: 62,747,480 km (0.075 R)
• M24: 67,308,570 km (0.116 R)
• M25: 68,375,203 km (0.052 R)
• M26: 75,469,134 km (0.097 R)

Kuiper Belt

Range: 30.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 17,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit