🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.4 AU - 0.62 AU

Year: 239 Days

Day: 13.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,838,225 km

• M1: 273,016 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.51 AU - 0.51 AU

Year: 239 Days

Day: 46.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.9

Radius: 13.9

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.82 AU - 1.28 AU

Year: 706 Days

Day: 5.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,838,225 km

• M1: 173,384 km (0.07 R)
• M2: 704,307 km (0.051 R)
• M3: 1,319,603 km (0.09 R)
• M4: 1,962,126 km (0.119 R)
• M5: 2,716,249 km (0.116 R)
• M6: 3,290,854 km (0.083 R)
• M7: 3,990,673 km (0.052 R)
• M8: 4,456,969 km (0.102 R)
• M9: 5,029,780 km (0.095 R)
• M10: 6,510,799 km (0.113 R)
• M11: 7,501,735 km (0.084 R)
• M12: 8,365,064 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.3

Radius: 9.7

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.99 AU - 1.15 AU

Year: 726 Days

Day: 7.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,838,225 km

• M1: 120,576 km (0.114 R)
• M2: 520,002 km (0.037 R)
• M3: 830,119 km (0.116 R)
• M4: 1,176,288 km (0.033 R)
• M5: 1,673,851 km (0.05 R)
• M6: 2,107,684 km (0.102 R)
• M7: 2,427,525 km (0.04 R)
• M8: 2,779,977 km (0.101 R)
• M9: 3,341,268 km (0.083 R)
• M10: 3,891,190 km (0.073 R)
• M11: 4,255,311 km (0.109 R)
• M12: 4,787,132 km (0.053 R)
• M13: 6,060,060 km (0.069 R)
• M14: 7,025,864 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320

Radius: 14.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.26 AU - 1.6 AU

Year: 1122 Days

Day: 10.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,838,225 km

• M1: 184,005 km (0.107 R)
• M2: 738,265 km (0.119 R)
• M3: 1,198,578 km (0.118 R)
• M4: 1,967,511 km (0.03 R)
• M5: 2,596,121 km (0.089 R)
• M6: 3,227,275 km (0.092 R)
• M7: 4,217,463 km (0.105 R)
• M8: 4,852,357 km (0.118 R)
• M9: 5,993,489 km (0.05 R)
• M10: 6,712,756 km (0.108 R)
• M11: 7,216,452 km (0.101 R)
• M12: 7,863,762 km (0.055 R)
• M13: 8,625,514 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275

Radius: 14.8

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.5 AU - 1.72 AU

Year: 1340 Days

Day: 9.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,838,225 km

• M1: 184,155 km (0.102 R)
• M2: 658,829 km (0.099 R)
• M3: 1,132,306 km (0.08 R)
• M4: 1,702,274 km (0.027 R)
• M5: 2,541,069 km (0.047 R)
• M6: 3,037,884 km (0.081 R)
• M7: 3,700,303 km (0.09 R)
• M8: 4,591,308 km (0.025 R)
• M9: 5,354,856 km (0.119 R)
• M10: 5,977,033 km (0.093 R)
• M11: 6,956,002 km (0.045 R)
• M12: 7,746,477 km (0.104 R)
• M13: 8,963,755 km (0.033 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127

Radius: 14.4

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.57 AU - 1.71 AU

Year: 1378 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,838,225 km

• M1: 179,069 km (0.06 R)
• M2: 922,121 km (0.076 R)
• M3: 1,503,159 km (0.077 R)
• M4: 2,900,553 km (0.038 R)
• M5: 3,793,204 km (0.109 R)
• M6: 4,671,194 km (0.07 R)
• M7: 6,791,145 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.5

Radius: 7.1

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.73 AU - 7.55 AU

Year: 9981 Days

Day: 22 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,838,225 km

• M1: 88,263 km (0.086 R)
• M2: 354,098 km (0.078 R)
• M3: 2,004,462 km (0.12 R)
• M4: 2,354,521 km (0.12 R)
• M5: 2,713,257 km (0.046 R)
• M6: 3,654,826 km (0.116 R)
• M7: 6,026,700 km (0.104 R)
• M8: 8,668,299 km (0.104 R)
• M9: 10,125,831 km (0.106 R)
• M10: 10,553,681 km (0.065 R)
• M11: 12,430,835 km (0.081 R)
• M12: 13,799,356 km (0.1 R)
• M13: 15,215,001 km (0.04 R)
• M14: 19,261,474 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 20,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit