🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.95 AU - 1.25 AU

Year: 405 Days

Day: 32.1 Hours

Environment

Temp: 44 °C

Axial Tilt: 34.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 59,645,422 km

• M1: 16,755 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.49 AU - 2.41 AU

Year: 957 Days

Day: 17.3 Hours

Environment

Temp: -47 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.78 AU - 2.22 AU

Year: 994 Days

Day: 20.8 Hours

Environment

Temp: -60 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.22 AU - 2.9 AU

Year: 1440 Days

Day: 47.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.24 AU - 3.6 AU

Year: 2223 Days

Day: 47.2 Hours

Environment

Temp: -94 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.5

Radius: 9.5

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 10.26 AU - 12.66 AU

Year: 13635 Days

Day: 9.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,645,422 km

• M1: 119,230 km (0.087 R)
• M2: 534,962 km (0.109 R)
• M3: 1,019,659 km (0.063 R)
• M4: 1,403,378 km (0.12 R)
• M5: 2,078,363 km (0.107 R)
• M6: 2,955,904 km (0.083 R)
• M7: 3,612,340 km (0.112 R)
• M8: 4,613,898 km (0.11 R)
• M9: 7,506,522 km (0.108 R)
• M10: 12,156,173 km (0.071 R)
• M11: 13,763,453 km (0.079 R)
• M12: 15,653,622 km (0.052 R)
• M13: 16,021,633 km (0.096 R)
• M14: 16,928,794 km (0.038 R)
• M15: 17,869,765 km (0.119 R)
• M16: 20,200,500 km (0.05 R)
• M17: 21,169,295 km (0.045 R)
• M18: 22,726,909 km (0.11 R)
• M19: 25,761,501 km (0.113 R)
• M20: 27,749,358 km (0.108 R)
• M21: 29,837,295 km (0.073 R)
• M22: 31,558,120 km (0.079 R)
• M23: 35,956,147 km (0.072 R)
• M24: 36,340,165 km (0.08 R)
• M25: 37,246,728 km (0.081 R)
• M26: 42,148,901 km (0.062 R)
• M27: 47,464,562 km (0.094 R)
• M28: 48,236,487 km (0.075 R)
• M29: 49,488,920 km (0.103 R)
• M30: 56,594,670 km (0.094 R)
• M31: 56,940,839 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.6

Radius: 12.1

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 9.89 AU - 16.03 AU

Year: 16398 Days

Day: 12.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,645,422 km

• M1: 150,645 km (0.103 R)
• M2: 530,324 km (0.059 R)
• M3: 1,804,599 km (0.081 R)
• M4: 2,457,444 km (0.055 R)
• M5: 3,213,661 km (0.086 R)
• M6: 7,126,244 km (0.069 R)
• M7: 9,252,628 km (0.072 R)
• M8: 11,536,838 km (0.112 R)
• M9: 12,071,501 km (0.093 R)
• M10: 13,190,343 km (0.057 R)
• M11: 22,116,549 km (0.103 R)
• M12: 25,146,654 km (0.119 R)
• M13: 27,488,609 km (0.075 R)
• M14: 28,336,230 km (0.115 R)
• M15: 34,154,989 km (0.107 R)
• M16: 45,102,860 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.2

Radius: 3.2

Gravity: 75.41 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 10.28 AU - 16.92 AU

Year: 17627 Days

Day: 22.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,645,422 km

• M1: 39,943 km (0.091 R)
• M2: 372,648 km (0.081 R)
• M3: 554,709 km (0.111 R)
• M4: 1,122,882 km (0.105 R)
• M5: 1,363,285 km (0.105 R)
• M6: 1,536,370 km (0.113 R)
• M7: 1,851,274 km (0.082 R)
• M8: 2,063,703 km (0.076 R)
• M9: 2,165,579 km (0.116 R)
• M10: 2,292,288 km (0.117 R)
• M11: 2,583,705 km (0.087 R)
• M12: 3,350,095 km (0.115 R)
• M13: 4,289,569 km (0.101 R)
• M14: 5,987,356 km (0.095 R)
• M15: 8,599,484 km (0.081 R)
• M16: 8,810,716 km (0.079 R)
• M17: 9,634,252 km (0.099 R)
• M18: 9,747,797 km (0.051 R)
• M19: 14,605,539 km (0.114 R)
• M20: 16,472,820 km (0.109 R)
• M21: 21,243,346 km (0.102 R)
• M22: 31,476,140 km (0.091 R)
• M23: 32,868,447 km (0.09 R)
• M24: 36,734,655 km (0.109 R)
• M25: 38,705,158 km (0.037 R)
• M26: 41,191,026 km (0.1 R)
• M27: 43,162,426 km (0.058 R)
• M28: 43,781,313 km (0.104 R)
• M29: 46,478,114 km (0.099 R)
• M30: 49,620,716 km (0.098 R)
• M31: 53,967,581 km (0.066 R)
• M32: 56,325,094 km (0.12 R)
• M33: 61,049,993 km (0.089 R)
• M34: 64,208,453 km (0.115 R)
• M35: 64,812,529 km (0.075 R)
• M36: 67,059,938 km (0.117 R)
• M37: 71,493,720 km (0.033 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.1

Radius: 3.9

Gravity: 23.87 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 12.05 AU - 16.61 AU

Year: 19065 Days

Day: 16.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 59,645,422 km

• M1: 49,367 km (0.077 R)
• M2: 249,679 km (0.097 R)
• M3: 432,039 km (0.085 R)
• M4: 683,064 km (0.095 R)
• M5: 851,960 km (0.101 R)
• M6: 1,287,888 km (0.076 R)
• M7: 1,532,331 km (0.028 R)
• M8: 2,151,517 km (0.055 R)
• M9: 4,066,519 km (0.098 R)
• M10: 4,853,254 km (0.093 R)
• M11: 5,515,524 km (0.049 R)
• M12: 5,963,719 km (0.073 R)
• M13: 8,047,468 km (0.109 R)
• M14: 8,623,120 km (0.035 R)
• M15: 8,821,038 km (0.099 R)
• M16: 9,021,948 km (0.1 R)
• M17: 10,018,121 km (0.087 R)
• M18: 13,843,787 km (0.093 R)
• M19: 13,979,023 km (0.112 R)
• M20: 16,114,982 km (0.073 R)
• M21: 17,813,067 km (0.092 R)
• M22: 18,134,104 km (0.094 R)
• M23: 18,295,969 km (0.116 R)
• M24: 19,288,102 km (0.082 R)
• M25: 19,797,333 km (0.06 R)
• M26: 19,969,072 km (0.099 R)
• M27: 23,615,969 km (0.066 R)
• M28: 24,003,278 km (0.055 R)
• M29: 26,210,145 km (0.109 R)
• M30: 30,562,097 km (0.111 R)
• M31: 31,253,838 km (0.104 R)
• M32: 31,486,761 km (0.108 R)
• M33: 33,028,667 km (0.091 R)
• M34: 34,372,205 km (0.079 R)
• M35: 35,371,818 km (0.074 R)
• M36: 36,262,225 km (0.083 R)
• M37: 42,062,433 km (0.1 R)
• M38: 42,631,504 km (0.109 R)
• M39: 48,451,160 km (0.094 R)
• M40: 50,342,825 km (0.107 R)
• M41: 51,956,388 km (0.118 R)
• M42: 53,106,347 km (0.08 R)
• M43: 54,609,356 km (0.093 R)
• M44: 54,947,298 km (0.113 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 11,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit