🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.8 AU - 0.94 AU

Year: 295 Days

Day: 25.6 Hours

Environment

Temp: 159 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 93,758,274 km

• M1: 25,282 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.82 AU - 0.94 AU

Year: 300 Days

Day: 45.3 Hours

Environment

Temp: 168 °C

Axial Tilt: 26.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.91 AU - 1.15 AU

Year: 380 Days

Day: 16.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 25.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 93,758,274 km

• M1: 201,209 km (0.101 R)
• M2: 739,163 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.98 AU - 2.32 AU

Year: 1146 Days

Day: 30.4 Hours

Environment

Temp: -74 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.95 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 15.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.7

Radius: 6.4

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 14.54 AU - 16.96 AU

Year: 22717 Days

Day: 16.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 93,758,274 km

• M1: 82,428 km (0.047 R)
• M2: 381,624 km (0.071 R)
• M3: 679,324 km (0.034 R)
• M4: 1,004,998 km (0.113 R)
• M5: 1,444,966 km (0.11 R)
• M6: 1,772,585 km (0.098 R)
• M7: 2,682,140 km (0.079 R)
• M8: 3,251,061 km (0.113 R)
• M9: 3,788,416 km (0.079 R)
• M10: 6,582,157 km (0.075 R)
• M11: 8,983,203 km (0.099 R)
• M12: 9,325,632 km (0.062 R)
• M13: 10,299,065 km (0.075 R)
• M14: 12,446,094 km (0.088 R)
• M15: 14,076,262 km (0.115 R)
• M16: 15,702,840 km (0.093 R)
• M17: 16,634,236 km (0.095 R)
• M18: 17,150,797 km (0.113 R)
• M19: 18,449,606 km (0.092 R)
• M20: 21,587,870 km (0.117 R)
• M21: 26,533,726 km (0.113 R)
• M22: 29,002,689 km (0.068 R)
• M23: 35,229,700 km (0.046 R)
• M24: 38,589,070 km (0.084 R)
• M25: 40,016,832 km (0.118 R)
• M26: 41,749,026 km (0.109 R)
• M27: 46,080,483 km (0.116 R)
• M28: 52,571,085 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.8

Radius: 3.5

Gravity: 52.07 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 14.86 AU - 24.46 AU

Year: 31681 Days

Day: 17.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 93,758,274 km

• M1: 44,431 km (0.058 R)
• M2: 226,790 km (0.089 R)
• M3: 351,256 km (0.119 R)
• M4: 480,658 km (0.116 R)
• M5: 603,179 km (0.112 R)
• M6: 912,996 km (0.1 R)
• M7: 1,303,745 km (0.054 R)
• M8: 1,421,329 km (0.077 R)
• M9: 2,687,526 km (0.099 R)
• M10: 3,319,577 km (0.076 R)
• M11: 3,803,825 km (0.119 R)
• M12: 4,045,276 km (0.09 R)
• M13: 4,187,693 km (0.12 R)
• M14: 6,358,209 km (0.045 R)
• M15: 6,551,040 km (0.104 R)
• M16: 6,999,086 km (0.037 R)
• M17: 7,467,327 km (0.119 R)
• M18: 7,627,846 km (0.093 R)
• M19: 17,957,429 km (0.094 R)
• M20: 18,635,108 km (0.116 R)
• M21: 19,430,370 km (0.093 R)
• M22: 21,951,543 km (0.117 R)
• M23: 25,398,876 km (0.094 R)
• M24: 34,807,984 km (0.057 R)
• M25: 39,464,965 km (0.077 R)
• M26: 39,952,355 km (0.06 R)
• M27: 44,695,954 km (0.082 R)
• M28: 69,997,143 km (0.068 R)
• M29: 71,670,245 km (0.113 R)
• M30: 84,402,969 km (0.07 R)
• M31: 89,611,069 km (0.078 R)
• M32: 90,734,250 km (0.071 R)
• M33: 91,299,281 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.8

Radius: 3.9

Gravity: 32.14 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 18.93 AU - 20.97 AU

Year: 32385 Days

Day: 24.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,758,274 km

• M1: 48,919 km (0.065 R)
• M2: 477,217 km (0.046 R)
• M3: 641,775 km (0.059 R)
• M4: 1,530,386 km (0.093 R)
• M5: 3,997,853 km (0.092 R)
• M6: 5,650,162 km (0.09 R)
• M7: 7,395,670 km (0.081 R)
• M8: 7,603,461 km (0.116 R)
• M9: 8,702,108 km (0.086 R)
• M10: 10,091,573 km (0.115 R)
• M11: 20,289,810 km (0.119 R)
• M12: 23,592,033 km (0.112 R)
• M13: 27,358,758 km (0.049 R)
• M14: 52,096,112 km (0.106 R)
• M15: 52,476,839 km (0.104 R)
• M16: 67,908,457 km (0.038 R)
• M17: 72,071,467 km (0.112 R)
• M18: 77,634,264 km (0.113 R)
• M19: 82,182,039 km (0.109 R)
• M20: 89,877,354 km (0.115 R)
• M21: 90,425,031 km (0.063 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 18,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit