🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.44 AU - 0.66 AU

Year: 268 Days

Day: 29.8 Hours

Environment

Temp: -113 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,374,576 km

• M1: 118,781 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.44 AU - 0.72 AU

Year: 290 Days

Day: 12.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.6 AU - 0.66 AU

Year: 328 Days

Day: 30.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.1

Radius: 13.1

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.14 AU - 1.22 AU

Year: 841 Days

Day: 6.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,374,576 km

• M1: 169,345 km (0.12 R)
• M2: 609,911 km (0.112 R)
• M3: 1,171,501 km (0.094 R)
• M4: 1,789,789 km (0.1 R)
• M5: 2,292,587 km (0.1 R)
• M6: 2,876,917 km (0.105 R)
• M7: 3,400,509 km (0.117 R)
• M8: 4,148,499 km (0.104 R)
• M9: 6,036,424 km (0.049 R)
• M10: 9,181,270 km (0.075 R)
• M11: 10,172,805 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.8

Radius: 11.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.19 AU - 1.33 AU

Year: 928 Days

Day: 12.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,374,576 km

• M1: 143,016 km (0.115 R)
• M2: 740,360 km (0.103 R)
• M3: 1,151,305 km (0.094 R)
• M4: 1,908,869 km (0.044 R)
• M5: 2,675,857 km (0.118 R)
• M6: 3,553,249 km (0.088 R)
• M7: 3,915,275 km (0.098 R)
• M8: 4,334,000 km (0.103 R)
• M9: 5,116,846 km (0.036 R)
• M10: 6,235,538 km (0.093 R)
• M11: 6,678,647 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.9

Radius: 8.1

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.17 AU - 1.43 AU

Year: 972 Days

Day: 6.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,374,576 km

• M1: 100,679 km (0.102 R)
• M2: 381,325 km (0.067 R)
• M3: 1,028,635 km (0.119 R)
• M4: 1,322,894 km (0.11 R)
• M5: 2,032,885 km (0.077 R)
• M6: 2,753,498 km (0.117 R)
• M7: 3,305,515 km (0.099 R)
• M8: 3,647,196 km (0.104 R)
• M9: 4,068,464 km (0.111 R)
• M10: 4,769,031 km (0.103 R)
• M11: 5,634,903 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.5

Radius: 8.3

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.27 AU - 1.69 AU

Year: 1181 Days

Day: 10 Hours

Environment

Temp: -177 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,374,576 km

• M1: 103,372 km (0.106 R)
• M2: 447,746 km (0.111 R)
• M3: 743,801 km (0.108 R)
• M4: 1,005,746 km (0.035 R)
• M5: 1,315,414 km (0.102 R)
• M6: 1,624,782 km (0.117 R)
• M7: 1,901,090 km (0.112 R)
• M8: 2,311,138 km (0.119 R)
• M9: 2,624,994 km (0.097 R)
• M10: 2,926,284 km (0.032 R)
• M11: 3,505,677 km (0.106 R)
• M12: 4,424,656 km (0.091 R)
• M13: 5,147,812 km (0.107 R)
• M14: 5,794,075 km (0.084 R)
• M15: 6,706,772 km (0.053 R)
• M16: 7,529,261 km (0.113 R)
• M17: 8,389,299 km (0.105 R)
• M18: 11,534,744 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 11.2

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.68 AU - 1.88 AU

Year: 1558 Days

Day: 10.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 127.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,374,576 km

• M1: 139,276 km (0.064 R)
• M2: 518,656 km (0.111 R)
• M3: 1,302,698 km (0.1 R)
• M4: 1,760,318 km (0.085 R)
• M5: 2,290,044 km (0.106 R)
• M6: 2,649,677 km (0.086 R)
• M7: 3,019,783 km (0.102 R)
• M8: 3,624,607 km (0.098 R)
• M9: 4,032,111 km (0.061 R)
• M10: 4,729,088 km (0.044 R)
• M11: 5,156,788 km (0.119 R)
• M12: 6,317,069 km (0.093 R)
• M13: 6,958,994 km (0.092 R)
• M14: 7,436,361 km (0.052 R)
• M15: 9,537,911 km (0.062 R)
• M16: 9,907,717 km (0.048 R)
• M17: 10,480,378 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.4

Radius: 12.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.83 AU - 4.03 AU

Year: 5111 Days

Day: 12.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,374,576 km

• M1: 162,912 km (0.082 R)
• M2: 1,095,655 km (0.099 R)
• M3: 1,605,185 km (0.029 R)
• M4: 3,468,875 km (0.099 R)
• M5: 4,043,630 km (0.079 R)
• M6: 4,592,505 km (0.113 R)
• M7: 5,311,772 km (0.079 R)
• M8: 6,078,161 km (0.037 R)
• M9: 7,093,931 km (0.056 R)
• M10: 7,831,748 km (0.059 R)
• M11: 8,552,510 km (0.098 R)
• M12: 10,509,998 km (0.07 R)
• M13: 10,942,935 km (0.094 R)
• M14: 11,387,540 km (0.093 R)
• M15: 13,702,267 km (0.11 R)
• M16: 15,645,693 km (0.115 R)
• M17: 17,327,921 km (0.116 R)
• M18: 19,478,540 km (0.04 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 18,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit