🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.64 AU - 0.76 AU

Year: 208 Days

Day: 15.4 Hours

Environment

Temp: 220 °C

Axial Tilt: 42.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 94,306,381 km

• M1: 280,047 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.1 AU - 4.04 AU

Year: 2393 Days

Day: 28.8 Hours

Environment

Temp: -98 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.88 AU - 5.74 AU

Year: 3742 Days

Day: 13.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 57 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.7

Radius: 14.3

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.29 AU - 9.15 AU

Year: 7610 Days

Day: 7.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 94,306,381 km

• M1: 178,171 km (0.119 R)
• M2: 645,964 km (0.091 R)
• M3: 1,261,858 km (0.118 R)
• M4: 2,038,720 km (0.118 R)
• M5: 3,135,721 km (0.088 R)
• M6: 3,980,650 km (0.098 R)
• M7: 5,442,520 km (0.047 R)
• M8: 6,336,667 km (0.114 R)
• M9: 7,208,673 km (0.026 R)
• M10: 8,849,462 km (0.091 R)
• M11: 11,557,034 km (0.114 R)
• M12: 15,654,220 km (0.091 R)
• M13: 16,106,006 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.6

Radius: 13.5

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.65 AU - 13.83 AU

Year: 13369 Days

Day: 8.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 94,306,381 km

• M1: 168,298 km (0.058 R)
• M2: 695,780 km (0.109 R)
• M3: 1,500,616 km (0.112 R)
• M4: 2,080,009 km (0.083 R)
• M5: 2,528,054 km (0.113 R)
• M6: 5,796,319 km (0.093 R)
• M7: 6,887,636 km (0.11 R)
• M8: 7,401,355 km (0.072 R)
• M9: 8,550,416 km (0.049 R)
• M10: 9,913,701 km (0.107 R)
• M11: 10,777,629 km (0.062 R)
• M12: 12,481,698 km (0.066 R)
• M13: 13,247,340 km (0.114 R)
• M14: 13,857,550 km (0.107 R)
• M15: 15,868,893 km (0.11 R)
• M16: 17,194,181 km (0.068 R)
• M17: 19,591,038 km (0.054 R)
• M18: 23,239,730 km (0.12 R)
• M19: 25,596,495 km (0.086 R)
• M20: 27,909,876 km (0.119 R)
• M21: 36,507,416 km (0.118 R)
• M22: 37,104,311 km (0.081 R)
• M23: 40,952,417 km (0.049 R)
• M24: 43,304,844 km (0.077 R)
• M25: 45,332,942 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.4

Radius: 9.1

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 9.75 AU - 15.75 AU

Year: 16151 Days

Day: 7 Hours

Environment

Temp: -184 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,306,381 km

• M1: 113,246 km (0.106 R)
• M2: 773,122 km (0.116 R)
• M3: 1,469,799 km (0.101 R)
• M4: 1,932,356 km (0.116 R)
• M5: 2,703,234 km (0.055 R)
• M6: 4,354,196 km (0.055 R)
• M7: 5,558,309 km (0.09 R)
• M8: 6,373,916 km (0.103 R)
• M9: 10,110,273 km (0.115 R)
• M10: 10,404,831 km (0.117 R)
• M11: 10,748,308 km (0.082 R)
• M12: 12,774,910 km (0.097 R)
• M13: 14,719,682 km (0.105 R)
• M14: 16,101,967 km (0.117 R)
• M15: 16,562,130 km (0.1 R)
• M16: 18,804,901 km (0.107 R)
• M17: 22,076,906 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.1

Radius: 5.9

Gravity: 14.28 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 12.36 AU - 18.46 AU

Year: 21461 Days

Day: 24 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 94,306,381 km

• M1: 74,201 km (0.068 R)
• M2: 329,714 km (0.107 R)
• M3: 620,682 km (0.098 R)
• M4: 899,831 km (0.044 R)
• M5: 1,088,025 km (0.092 R)
• M6: 1,911,262 km (0.092 R)
• M7: 2,268,652 km (0.106 R)
• M8: 2,740,932 km (0.115 R)
• M9: 3,909,441 km (0.027 R)
• M10: 5,339,746 km (0.108 R)
• M11: 6,130,371 km (0.093 R)
• M12: 7,892,335 km (0.058 R)
• M13: 8,342,325 km (0.09 R)
• M14: 8,547,873 km (0.097 R)
• M15: 10,139,893 km (0.068 R)
• M16: 11,346,550 km (0.079 R)
• M17: 12,445,196 km (0.066 R)
• M18: 13,542,198 km (0.11 R)
• M19: 14,259,819 km (0.103 R)
• M20: 15,692,517 km (0.074 R)
• M21: 17,636,093 km (0.066 R)
• M22: 17,974,783 km (0.09 R)
• M23: 19,106,042 km (0.11 R)
• M24: 19,553,489 km (0.101 R)
• M25: 19,825,308 km (0.117 R)
• M26: 21,702,313 km (0.115 R)
• M27: 23,694,508 km (0.086 R)
• M28: 25,481,155 km (0.108 R)
• M29: 26,573,070 km (0.087 R)
• M30: 37,699,411 km (0.105 R)
• M31: 37,979,758 km (0.104 R)
• M32: 38,403,120 km (0.064 R)
• M33: 42,355,196 km (0.072 R)
• M34: 43,885,134 km (0.086 R)
• M35: 44,507,311 km (0.098 R)
• M36: 45,293,149 km (0.106 R)
• M37: 56,551,885 km (0.107 R)
• M38: 66,633,884 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.3

Radius: 3.3

Gravity: 72.75 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 13.54 AU - 21.18 AU

Year: 25660 Days

Day: 21.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 94,306,381 km

• M1: 41,139 km (0.049 R)
• M2: 156,479 km (0.097 R)
• M3: 392,096 km (0.099 R)
• M4: 520,750 km (0.08 R)
• M5: 772,823 km (0.028 R)
• M6: 1,641,089 km (0.05 R)
• M7: 1,775,428 km (0.051 R)
• M8: 2,340,010 km (0.072 R)
• M9: 3,129,887 km (0.096 R)
• M10: 3,459,600 km (0.079 R)
• M11: 3,584,963 km (0.114 R)
• M12: 4,082,675 km (0.118 R)
• M13: 5,762,809 km (0.111 R)
• M14: 6,073,973 km (0.037 R)
• M15: 6,729,959 km (0.09 R)
• M16: 7,074,932 km (0.102 R)
• M17: 9,216,426 km (0.073 R)
• M18: 10,079,905 km (0.103 R)
• M19: 12,767,430 km (0.117 R)
• M20: 13,995,629 km (0.04 R)
• M21: 16,418,815 km (0.088 R)
• M22: 17,133,444 km (0.062 R)
• M23: 18,433,300 km (0.104 R)
• M24: 21,019,249 km (0.047 R)
• M25: 24,521,185 km (0.092 R)
• M26: 28,392,629 km (0.073 R)
• M27: 29,681,115 km (0.064 R)
• M28: 31,008,048 km (0.081 R)
• M29: 35,079,055 km (0.032 R)
• M30: 36,112,328 km (0.071 R)
• M31: 37,623,565 km (0.1 R)
• M32: 38,706,055 km (0.052 R)
• M33: 40,128,282 km (0.095 R)
• M34: 43,076,258 km (0.038 R)
• M35: 43,581,300 km (0.031 R)
• M36: 45,815,096 km (0.057 R)
• M37: 49,952,225 km (0.111 R)
• M38: 52,588,439 km (0.089 R)
• M39: 64,280,260 km (0.069 R)
• M40: 90,127,780 km (0.065 R)
• M41: 93,179,727 km (0.113 R)

Kuiper Belt

Range: 30.9 - 52.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 20,396 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit