🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.76 AU - 0.86 AU

Year: 269 Days

Day: 40.9 Hours

Environment

Temp: 150 °C

Axial Tilt: 74 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.77 AU - 1.07 AU

Year: 326 Days

Day: 34.1 Hours

Environment

Temp: 30 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.17 AU - 2.27 AU

Year: 1220 Days

Day: 26.1 Hours

Environment

Temp: -72 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,415,584 km

• M1: 71,807 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.64 AU - 3.76 AU

Year: 2112 Days

Day: 29.2 Hours

Environment

Temp: -107 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.6

Radius: 11.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.62 AU - 10.26 AU

Year: 9862 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,415,584 km

• M1: 138,079 km (0.053 R)
• M2: 583,432 km (0.067 R)
• M3: 1,229,844 km (0.098 R)
• M4: 2,111,424 km (0.078 R)
• M5: 3,260,635 km (0.1 R)
• M6: 4,232,872 km (0.104 R)
• M7: 5,111,759 km (0.049 R)
• M8: 5,839,254 km (0.07 R)
• M9: 7,539,882 km (0.103 R)
• M10: 9,456,680 km (0.048 R)
• M11: 10,114,162 km (0.05 R)
• M12: 10,802,013 km (0.105 R)
• M13: 12,658,074 km (0.099 R)
• M14: 14,289,289 km (0.098 R)
• M15: 16,056,190 km (0.112 R)
• M16: 17,335,401 km (0.026 R)
• M17: 20,402,307 km (0.116 R)
• M18: 21,660,276 km (0.054 R)
• M19: 22,390,164 km (0.094 R)
• M20: 22,885,931 km (0.112 R)
• M21: 25,296,701 km (0.104 R)
• M22: 26,933,002 km (0.051 R)
• M23: 30,014,419 km (0.096 R)
• M24: 34,078,545 km (0.057 R)
• M25: 34,734,681 km (0.098 R)
• M26: 38,025,684 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.9

Radius: 13.6

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 9.7 AU - 12.86 AU

Year: 13978 Days

Day: 8.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,415,584 km

• M1: 169,195 km (0.104 R)
• M2: 607,367 km (0.083 R)
• M3: 1,175,839 km (0.12 R)
• M4: 3,188,379 km (0.087 R)
• M5: 3,773,457 km (0.086 R)
• M6: 5,130,459 km (0.11 R)
• M7: 6,791,295 km (0.049 R)
• M8: 7,643,853 km (0.09 R)
• M9: 9,562,595 km (0.079 R)
• M10: 10,735,442 km (0.118 R)
• M11: 13,190,343 km (0.091 R)
• M12: 15,021,721 km (0.033 R)
• M13: 16,604,765 km (0.104 R)
• M14: 17,156,482 km (0.076 R)
• M15: 18,151,308 km (0.093 R)
• M16: 19,715,204 km (0.096 R)
• M17: 20,569,408 km (0.037 R)
• M18: 22,602,593 km (0.104 R)
• M19: 23,195,150 km (0.113 R)
• M20: 24,766,526 km (0.091 R)
• M21: 26,129,362 km (0.111 R)
• M22: 37,102,815 km (0.072 R)
• M23: 38,046,778 km (0.062 R)
• M24: 38,644,720 km (0.088 R)
• M25: 42,110,604 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.3

Radius: 3.9

Gravity: 63.73 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 10.86 AU - 16.56 AU

Year: 18730 Days

Day: 15.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,415,584 km

• M1: 48,470 km (0.068 R)
• M2: 172,786 km (0.104 R)
• M3: 533,017 km (0.071 R)
• M4: 654,491 km (0.107 R)
• M5: 1,029,832 km (0.078 R)
• M6: 1,419,534 km (0.056 R)
• M7: 1,639,144 km (0.109 R)
• M8: 2,554,384 km (0.066 R)
• M9: 2,879,759 km (0.04 R)
• M10: 3,612,639 km (0.114 R)
• M11: 4,821,839 km (0.07 R)
• M12: 6,277,426 km (0.09 R)
• M13: 9,256,368 km (0.098 R)
• M14: 10,572,830 km (0.091 R)
• M15: 11,081,013 km (0.099 R)
• M16: 11,406,688 km (0.087 R)
• M17: 12,632,343 km (0.111 R)
• M18: 16,492,716 km (0.12 R)
• M19: 17,699,672 km (0.109 R)
• M20: 18,415,199 km (0.1 R)
• M21: 21,270,274 km (0.091 R)
• M22: 22,181,175 km (0.106 R)
• M23: 22,698,186 km (0.075 R)
• M24: 40,492,104 km (0.114 R)
• M25: 42,360,881 km (0.038 R)
• M26: 43,156,143 km (0.107 R)
• M27: 44,449,267 km (0.113 R)
• M28: 44,940,846 km (0.086 R)
• M29: 47,966,313 km (0.067 R)
• M30: 49,880,418 km (0.095 R)
• M31: 58,242,041 km (0.098 R)
• M32: 60,619,750 km (0.109 R)
• M33: 65,779,381 km (0.074 R)
• M34: 77,433,204 km (0.061 R)
• M35: 81,522,163 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.4

Radius: 3.2

Gravity: 73.18 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 11.77 AU - 18.61 AU

Year: 21843 Days

Day: 17.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,415,584 km

• M1: 40,092 km (0.089 R)
• M2: 147,354 km (0.105 R)
• M3: 303,833 km (0.068 R)
• M4: 704,606 km (0.101 R)
• M5: 3,335,135 km (0.092 R)
• M6: 3,982,295 km (0.081 R)
• M7: 6,693,607 km (0.115 R)
• M8: 7,765,476 km (0.066 R)
• M9: 9,173,491 km (0.044 R)
• M10: 9,698,131 km (0.086 R)
• M11: 11,658,162 km (0.073 R)
• M12: 12,482,895 km (0.068 R)
• M13: 14,018,218 km (0.103 R)
• M14: 17,901,480 km (0.114 R)
• M15: 35,382,140 km (0.118 R)
• M16: 62,461,300 km (0.081 R)
• M17: 78,021,124 km (0.114 R)
• M18: 80,435,185 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386

Radius: 7.4

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 14.87 AU - 16.77 AU

Year: 23216 Days

Day: 18.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,415,584 km

• M1: 94,695 km (0.108 R)
• M2: 483,052 km (0.059 R)
• M3: 3,407,989 km (0.077 R)
• M4: 4,495,566 km (0.083 R)
• M5: 6,325,297 km (0.086 R)
• M6: 9,073,260 km (0.075 R)
• M7: 11,437,954 km (0.104 R)
• M8: 11,688,830 km (0.088 R)
• M9: 13,617,894 km (0.12 R)
• M10: 16,613,741 km (0.045 R)
• M11: 19,841,614 km (0.095 R)
• M12: 20,386,899 km (0.096 R)
• M13: 21,035,555 km (0.076 R)
• M14: 25,751,927 km (0.083 R)
• M15: 27,060,011 km (0.084 R)
• M16: 34,662,126 km (0.104 R)
• M17: 41,474,514 km (0.083 R)
• M18: 45,271,158 km (0.112 R)
• M19: 48,798,377 km (0.065 R)
• M20: 56,213,494 km (0.064 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 20,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit