🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.44 AU - 0.6 AU

Year: 160 Days

Day: 23.9 Hours

Environment

Temp: 98 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.5 AU - 0.58 AU

Year: 170 Days

Day: 39.3 Hours

Environment

Temp: 123 °C

Axial Tilt: 15.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,572,008 km

• M1: 26,778 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.66 AU - 0.74 AU

Year: 250 Days

Day: 40.3 Hours

Environment

Temp: 1 °C

Axial Tilt: 18.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.62 AU - 0.8 AU

Year: 256 Days

Day: 28.6 Hours

Environment

Temp: 11 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.41 AU - 1.95 AU

Year: 931 Days

Day: 38.8 Hours

Environment

Temp: -101 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.23 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 11.1

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.63 AU - 2.91 AU

Year: 1971 Days

Day: 9.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 105,572,008 km

• M1: 138,228 km (0.072 R)
• M2: 674,986 km (0.114 R)
• M3: 1,034,320 km (0.091 R)
• M4: 1,667,268 km (0.081 R)
• M5: 2,278,675 km (0.069 R)
• M6: 3,140,059 km (0.111 R)
• M7: 3,671,581 km (0.045 R)
• M8: 4,076,841 km (0.101 R)
• M9: 4,812,414 km (0.106 R)
• M10: 6,127,230 km (0.07 R)
• M11: 7,668,088 km (0.051 R)
• M12: 8,156,525 km (0.102 R)
• M13: 9,714,587 km (0.104 R)
• M14: 10,599,009 km (0.084 R)
• M15: 11,499,289 km (0.078 R)
• M16: 12,489,029 km (0.086 R)
• M17: 12,924,358 km (0.082 R)
• M18: 13,410,851 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962

Radius: 8.8

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.28 AU - 4.32 AU

Year: 3812 Days

Day: 10.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 105,572,008 km

• M1: 109,655 km (0.09 R)
• M2: 416,929 km (0.064 R)
• M3: 739,761 km (0.039 R)
• M4: 1,615,657 km (0.086 R)
• M5: 3,457,207 km (0.118 R)
• M6: 4,200,409 km (0.115 R)
• M7: 6,211,603 km (0.086 R)
• M8: 8,488,482 km (0.103 R)
• M9: 12,303,527 km (0.088 R)
• M10: 13,863,833 km (0.102 R)
• M11: 15,779,135 km (0.11 R)
• M12: 16,124,406 km (0.094 R)
• M13: 16,949,588 km (0.104 R)
• M14: 17,555,909 km (0.113 R)
• M15: 24,058,479 km (0.103 R)
• M16: 25,448,692 km (0.071 R)
• M17: 26,003,551 km (0.083 R)
• M18: 27,550,243 km (0.031 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.1

Radius: 12.7

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.15 AU - 5.65 AU

Year: 4637 Days

Day: 13.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 105,572,008 km

• M1: 157,975 km (0.063 R)
• M2: 558,898 km (0.077 R)
• M3: 1,111,363 km (0.071 R)
• M4: 1,612,216 km (0.047 R)
• M5: 2,803,165 km (0.088 R)
• M6: 3,796,495 km (0.115 R)
• M7: 4,264,437 km (0.107 R)
• M8: 4,930,447 km (0.106 R)
• M9: 5,345,581 km (0.073 R)
• M10: 5,874,858 km (0.077 R)
• M11: 7,004,472 km (0.065 R)
• M12: 7,933,624 km (0.117 R)
• M13: 8,350,703 km (0.075 R)
• M14: 11,170,323 km (0.052 R)
• M15: 11,695,262 km (0.112 R)
• M16: 13,002,149 km (0.115 R)
• M17: 13,529,931 km (0.069 R)
• M18: 14,126,976 km (0.049 R)
• M19: 18,810,735 km (0.1 R)
• M20: 21,538,054 km (0.074 R)
• M21: 22,881,742 km (0.112 R)
• M22: 25,325,723 km (0.089 R)
• M23: 25,818,199 km (0.073 R)
• M24: 28,997,154 km (0.113 R)
• M25: 29,990,484 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.1

Radius: 10.7

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.55 AU - 6.39 AU

Year: 6236 Days

Day: 5.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 105,572,008 km

• M1: 134,638 km (0.098 R)
• M2: 484,847 km (0.1 R)
• M3: 1,077,105 km (0.107 R)
• M4: 1,513,930 km (0.071 R)
• M5: 2,022,114 km (0.102 R)
• M6: 2,791,646 km (0.062 R)
• M7: 3,191,820 km (0.056 R)
• M8: 3,584,664 km (0.111 R)
• M9: 5,222,013 km (0.075 R)
• M10: 6,910,075 km (0.115 R)
• M11: 8,314,650 km (0.044 R)
• M12: 9,105,873 km (0.116 R)
• M13: 10,598,560 km (0.117 R)
• M14: 11,130,680 km (0.104 R)
• M15: 12,459,259 km (0.068 R)
• M16: 13,216,972 km (0.067 R)
• M17: 17,077,794 km (0.084 R)
• M18: 18,149,064 km (0.049 R)
• M19: 20,130,787 km (0.059 R)
• M20: 21,173,933 km (0.075 R)
• M21: 23,045,552 km (0.104 R)
• M22: 26,493,783 km (0.053 R)
• M23: 27,564,754 km (0.071 R)
• M24: 29,888,308 km (0.072 R)
• M25: 32,743,832 km (0.111 R)
• M26: 33,562,432 km (0.115 R)
• M27: 34,185,357 km (0.076 R)
• M28: 35,561,359 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.6

Radius: 4.6

Gravity: 39.91 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 15.69 AU - 17.91 AU

Year: 29437 Days

Day: 17 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 105,572,008 km

• M1: 67,469 km (0.099 R)
• M2: 305,479 km (0.103 R)
• M3: 548,575 km (0.114 R)
• M4: 1,890,468 km (0.07 R)
• M5: 2,630,679 km (0.083 R)
• M6: 2,992,406 km (0.093 R)
• M7: 4,504,093 km (0.098 R)
• M8: 5,104,279 km (0.117 R)
• M9: 8,157,123 km (0.034 R)
• M10: 9,045,435 km (0.076 R)
• M11: 12,547,073 km (0.072 R)
• M12: 12,700,261 km (0.06 R)
• M13: 17,804,391 km (0.112 R)
• M14: 18,987,261 km (0.108 R)
• M15: 21,508,135 km (0.025 R)
• M16: 23,655,463 km (0.088 R)
• M17: 32,507,916 km (0.106 R)
• M18: 39,934,703 km (0.101 R)
• M19: 53,475,255 km (0.107 R)
• M20: 66,006,769 km (0.096 R)
• M21: 73,443,429 km (0.063 R)
• M22: 75,702,656 km (0.095 R)
• M23: 85,202,869 km (0.077 R)
• M24: 86,582,012 km (0.06 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 16,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit