🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.67 AU - 0.93 AU

Year: 263 Days

Day: 18.9 Hours

Environment

Temp: 162 °C

Axial Tilt: 15.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.04 AU - 1.16 AU

Year: 424 Days

Day: 43.5 Hours

Environment

Temp: -0 °C

Axial Tilt: 0.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.51 AU - 2.79 AU

Year: 1584 Days

Day: 37.3 Hours

Environment

Temp: -86 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,441,400 km

• M1: 34,408 km (0.088 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.22 AU - 3.32 AU

Year: 1692 Days

Day: 41.6 Hours

Environment

Temp: -106 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.93 AU - 3.19 AU

Year: 1965 Days

Day: 41.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 47.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.05 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.5

Radius: 15

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.03 AU - 5.05 AU

Year: 4154 Days

Day: 5.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,441,400 km

• M1: 186,549 km (0.118 R)
• M2: 905,965 km (0.111 R)
• M3: 1,511,088 km (0.098 R)
• M4: 3,051,198 km (0.065 R)
• M5: 4,476,716 km (0.106 R)
• M6: 5,228,446 km (0.104 R)
• M7: 6,310,637 km (0.086 R)
• M8: 6,958,844 km (0.039 R)
• M9: 8,088,607 km (0.107 R)
• M10: 8,573,454 km (0.042 R)
• M11: 9,370,212 km (0.058 R)
• M12: 10,603,796 km (0.036 R)
• M13: 11,148,781 km (0.114 R)
• M14: 13,184,659 km (0.116 R)
• M15: 13,987,102 km (0.112 R)
• M16: 15,183,436 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.1

Radius: 14.2

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.84 AU - 6.16 AU

Year: 4735 Days

Day: 9.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,441,400 km

• M1: 176,675 km (0.118 R)
• M2: 979,417 km (0.089 R)
• M3: 1,875,359 km (0.072 R)
• M4: 2,423,336 km (0.05 R)
• M5: 3,530,360 km (0.12 R)
• M6: 4,072,652 km (0.092 R)
• M7: 7,121,158 km (0.1 R)
• M8: 8,511,072 km (0.085 R)
• M9: 9,864,484 km (0.096 R)
• M10: 15,063,309 km (0.1 R)
• M11: 16,857,137 km (0.088 R)
• M12: 18,087,729 km (0.099 R)
• M13: 19,377,412 km (0.036 R)
• M14: 21,638,135 km (0.079 R)
• M15: 25,311,960 km (0.057 R)
• M16: 26,924,475 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.8

Radius: 12.6

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 11.04 AU - 11.36 AU

Year: 13759 Days

Day: 9.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,441,400 km

• M1: 200,611 km (0.099 R)
• M2: 630,256 km (0.089 R)
• M3: 1,289,683 km (0.12 R)
• M4: 2,381,748 km (0.116 R)
• M5: 3,627,150 km (0.097 R)
• M6: 4,111,398 km (0.12 R)
• M7: 4,691,090 km (0.085 R)
• M8: 5,617,849 km (0.103 R)
• M9: 6,140,993 km (0.064 R)
• M10: 7,249,962 km (0.06 R)
• M11: 7,684,843 km (0.037 R)
• M12: 8,409,196 km (0.075 R)
• M13: 10,580,010 km (0.076 R)
• M14: 11,476,999 km (0.112 R)
• M15: 12,890,549 km (0.067 R)
• M16: 14,587,438 km (0.072 R)
• M17: 17,891,905 km (0.099 R)
• M18: 24,056,534 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.9

Radius: 4.4

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 11.37 AU - 15.97 AU

Year: 18553 Days

Day: 19.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,441,400 km

• M1: 57,894 km (0.104 R)
• M2: 253,419 km (0.068 R)
• M3: 751,281 km (0.111 R)
• M4: 890,257 km (0.116 R)
• M5: 2,797,779 km (0.109 R)
• M6: 3,020,680 km (0.03 R)
• M7: 4,060,834 km (0.075 R)
• M8: 4,554,956 km (0.088 R)
• M9: 4,991,183 km (0.099 R)
• M10: 5,910,313 km (0.106 R)
• M11: 7,221,538 km (0.091 R)
• M12: 8,032,957 km (0.1 R)
• M13: 8,622,073 km (0.108 R)
• M14: 9,337,002 km (0.117 R)
• M15: 9,633,654 km (0.057 R)
• M16: 10,298,168 km (0.073 R)
• M17: 19,415,260 km (0.04 R)
• M18: 20,638,672 km (0.108 R)
• M19: 25,852,756 km (0.117 R)
• M20: 29,812,612 km (0.112 R)
• M21: 31,437,394 km (0.103 R)
• M22: 34,744,255 km (0.097 R)
• M23: 36,420,499 km (0.076 R)
• M24: 46,326,272 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 15,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit