🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.71 AU - 0.93 AU

Year: 260 Days

Day: 44.9 Hours

Environment

Temp: 201 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.93 AU - 1.53 AU

Year: 477 Days

Day: 20.8 Hours

Environment

Temp: 31 °C

Axial Tilt: 12.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.26 AU - 1.58 AU

Year: 592 Days

Day: 12.4 Hours

Environment

Temp: 1 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.46 AU - 2 AU

Year: 796 Days

Day: 30.4 Hours

Environment

Temp: -44 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.06 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.3

Radius: 10.4

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.94 AU - 6.82 AU

Year: 5638 Days

Day: 8.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,924,645 km

• M1: 132,095 km (0.071 R)
• M2: 897,438 km (0.05 R)
• M3: 1,676,095 km (0.092 R)
• M4: 2,039,917 km (0.093 R)
• M5: 3,699,855 km (0.057 R)
• M6: 4,547,925 km (0.093 R)
• M7: 5,874,110 km (0.093 R)
• M8: 7,548,709 km (0.101 R)
• M9: 9,858,350 km (0.098 R)
• M10: 10,874,718 km (0.108 R)
• M11: 13,270,977 km (0.039 R)
• M12: 13,907,665 km (0.029 R)
• M13: 20,515,852 km (0.12 R)
• M14: 25,491,926 km (0.093 R)
• M15: 29,668,549 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.9

Radius: 13.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.31 AU - 7.85 AU

Year: 6591 Days

Day: 12.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,924,645 km

• M1: 170,990 km (0.105 R)
• M2: 712,385 km (0.071 R)
• M3: 1,171,651 km (0.11 R)
• M4: 1,796,072 km (0.111 R)
• M5: 2,304,406 km (0.094 R)
• M6: 2,890,081 km (0.074 R)
• M7: 3,617,725 km (0.094 R)
• M8: 4,364,368 km (0.06 R)
• M9: 4,908,755 km (0.043 R)
• M10: 5,527,342 km (0.073 R)
• M11: 7,961,599 km (0.071 R)
• M12: 8,697,770 km (0.1 R)
• M13: 9,735,081 km (0.106 R)
• M14: 12,205,391 km (0.07 R)
• M15: 12,870,204 km (0.112 R)
• M16: 15,833,588 km (0.099 R)
• M17: 16,624,662 km (0.072 R)
• M18: 17,124,618 km (0.068 R)
• M19: 22,538,864 km (0.106 R)
• M20: 31,494,391 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.8

Radius: 14.4

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.52 AU - 8.92 AU

Year: 8245 Days

Day: 7 Hours

Environment

Temp: -163 °C

Axial Tilt: 71.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,924,645 km

• M1: 205,398 km (0.044 R)
• M2: 1,674,898 km (0.099 R)
• M3: 2,532,243 km (0.119 R)
• M4: 4,635,140 km (0.1 R)
• M5: 7,000,732 km (0.113 R)
• M6: 7,971,921 km (0.118 R)
• M7: 8,668,000 km (0.071 R)
• M8: 9,451,893 km (0.113 R)
• M9: 11,866,851 km (0.118 R)
• M10: 15,382,999 km (0.117 R)
• M11: 21,878,988 km (0.085 R)
• M12: 25,493,721 km (0.092 R)
• M13: 27,784,962 km (0.075 R)
• M14: 29,591,356 km (0.106 R)
• M15: 31,904,139 km (0.107 R)
• M16: 35,828,092 km (0.041 R)
• M17: 42,365,967 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.2

Radius: 9.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9.95 AU - 12.45 AU

Year: 13113 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,924,645 km

• M1: 122,371 km (0.078 R)
• M2: 606,171 km (0.03 R)
• M3: 1,539,362 km (0.043 R)
• M4: 1,902,586 km (0.065 R)
• M5: 3,700,752 km (0.093 R)
• M6: 4,046,922 km (0.119 R)
• M7: 4,634,692 km (0.108 R)
• M8: 5,622,187 km (0.09 R)
• M9: 6,780,224 km (0.07 R)
• M10: 7,300,825 km (0.06 R)
• M11: 7,649,388 km (0.101 R)
• M12: 8,805,480 km (0.092 R)
• M13: 9,425,563 km (0.053 R)
• M14: 13,715,731 km (0.093 R)
• M15: 14,128,322 km (0.059 R)
• M16: 14,549,141 km (0.072 R)
• M17: 16,382,014 km (0.058 R)
• M18: 17,663,469 km (0.064 R)
• M19: 20,962,850 km (0.059 R)
• M20: 21,907,711 km (0.031 R)
• M21: 23,713,207 km (0.098 R)
• M22: 24,999,599 km (0.098 R)
• M23: 28,561,674 km (0.072 R)
• M24: 30,513,328 km (0.114 R)
• M25: 37,013,505 km (0.111 R)
• M26: 38,625,572 km (0.063 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 15,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit