🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.94 AU - 1.18 AU

Year: 407 Days

Day: 25.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 14.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 76,714,532 km

• M1: 278,551 km (0.101 R)
• M2: 495,019 km (0.034 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.43 AU - 2.55 AU

Year: 1465 Days

Day: 13.5 Hours

Environment

Temp: -94 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.38 AU - 3.84 AU

Year: 2045 Days

Day: 26.1 Hours

Environment

Temp: -109 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.55 AU - 4.11 AU

Year: 2794 Days

Day: 35.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326

Radius: 8.7

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.67 AU - 6.11 AU

Year: 4665 Days

Day: 12.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,714,532 km

• M1: 108,458 km (0.055 R)
• M2: 429,645 km (0.044 R)
• M3: 870,061 km (0.1 R)
• M4: 1,406,519 km (0.092 R)
• M5: 1,732,493 km (0.102 R)
• M6: 2,029,445 km (0.07 R)
• M7: 3,027,562 km (0.069 R)
• M8: 4,922,817 km (0.028 R)
• M9: 5,709,552 km (0.094 R)
• M10: 7,991,219 km (0.044 R)
• M11: 8,365,363 km (0.117 R)
• M12: 9,408,360 km (0.05 R)
• M13: 10,058,811 km (0.1 R)
• M14: 10,616,662 km (0.077 R)
• M15: 10,986,019 km (0.08 R)
• M16: 11,279,231 km (0.101 R)
• M17: 12,235,011 km (0.112 R)
• M18: 13,480,713 km (0.115 R)
• M19: 14,606,736 km (0.089 R)
• M20: 16,060,678 km (0.082 R)
• M21: 19,193,556 km (0.082 R)
• M22: 19,680,797 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.9

Radius: 4.3

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 12.69 AU - 16.97 AU

Year: 21290 Days

Day: 17.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 139.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,714,532 km

• M1: 58,942 km (0.118 R)
• M2: 200,910 km (0.072 R)
• M3: 1,380,489 km (0.109 R)
• M4: 1,638,097 km (0.05 R)
• M5: 1,801,308 km (0.099 R)
• M6: 2,178,145 km (0.028 R)
• M7: 2,394,763 km (0.057 R)
• M8: 2,913,269 km (0.091 R)
• M9: 3,600,671 km (0.07 R)
• M10: 4,061,732 km (0.118 R)
• M11: 4,390,249 km (0.094 R)
• M12: 5,194,038 km (0.095 R)
• M13: 6,232,696 km (0.073 R)
• M14: 6,376,160 km (0.119 R)
• M15: 7,685,890 km (0.06 R)
• M16: 8,060,483 km (0.076 R)
• M17: 10,366,534 km (0.103 R)
• M18: 10,720,931 km (0.103 R)
• M19: 11,453,961 km (0.06 R)
• M20: 13,671,450 km (0.064 R)
• M21: 17,544,838 km (0.047 R)
• M22: 21,433,186 km (0.12 R)
• M23: 32,547,859 km (0.057 R)
• M24: 39,931,860 km (0.079 R)
• M25: 42,965,855 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.7

Radius: 3.1

Gravity: 42.42 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 16.57 AU - 17.53 AU

Year: 26245 Days

Day: 17.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,714,532 km

• M1: 42,187 km (0.074 R)
• M2: 155,133 km (0.108 R)
• M3: 262,694 km (0.084 R)
• M4: 428,747 km (0.104 R)
• M5: 607,068 km (0.082 R)
• M6: 1,125,275 km (0.106 R)
• M7: 1,309,879 km (0.099 R)
• M8: 1,703,770 km (0.077 R)
• M9: 5,800,807 km (0.065 R)
• M10: 7,698,306 km (0.111 R)
• M11: 10,149,916 km (0.084 R)
• M12: 10,511,794 km (0.117 R)
• M13: 11,133,822 km (0.093 R)
• M14: 13,576,306 km (0.078 R)
• M15: 21,982,510 km (0.085 R)
• M16: 23,203,228 km (0.115 R)
• M17: 28,301,524 km (0.092 R)
• M18: 33,830,511 km (0.112 R)
• M19: 37,129,593 km (0.118 R)
• M20: 43,407,169 km (0.069 R)
• M21: 45,160,904 km (0.1 R)
• M22: 47,627,474 km (0.053 R)
• M23: 52,291,038 km (0.106 R)
• M24: 53,186,830 km (0.105 R)
• M25: 60,135,502 km (0.092 R)
• M26: 65,571,290 km (0.114 R)
• M27: 73,315,672 km (0.062 R)
• M28: 74,437,208 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 16,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit