🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.95 AU - 1.39 AU

Year: 445 Days

Day: 39.9 Hours

Environment

Temp: 13 °C

Axial Tilt: 2.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.8 AU - 2.34 AU

Year: 1047 Days

Day: 21.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 60.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.26 AU - 2.5 AU

Year: 1290 Days

Day: 31.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.93 AU - 3.03 AU

Year: 1373 Days

Day: 21.2 Hours

Environment

Temp: -73 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.36 AU - 4.36 AU

Year: 2665 Days

Day: 34.3 Hours

Environment

Temp: -109 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.57 AU - 6.13 AU

Year: 4349 Days

Day: 43.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,841,045 km

• M1: 556,205 km (0.108 R)

Asteroid Belt

Center: 7.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860

Radius: 14.6

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.57 AU - 10.53 AU

Year: 11198 Days

Day: 7.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,841,045 km

• M1: 181,612 km (0.074 R)
• M2: 789,578 km (0.119 R)
• M3: 1,537,118 km (0.092 R)
• M4: 2,626,340 km (0.084 R)
• M5: 3,255,399 km (0.083 R)
• M6: 3,928,590 km (0.11 R)
• M7: 4,447,993 km (0.069 R)
• M8: 5,348,124 km (0.054 R)
• M9: 5,951,901 km (0.114 R)
• M10: 7,296,935 km (0.091 R)
• M11: 10,528,549 km (0.065 R)
• M12: 11,712,616 km (0.08 R)
• M13: 12,734,818 km (0.106 R)
• M14: 14,682,881 km (0.108 R)
• M15: 17,426,806 km (0.081 R)
• M16: 21,186,350 km (0.085 R)
• M17: 22,703,122 km (0.037 R)
• M18: 24,675,570 km (0.102 R)
• M19: 25,259,451 km (0.094 R)
• M20: 26,455,037 km (0.12 R)
• M21: 29,282,736 km (0.097 R)
• M22: 30,157,884 km (0.098 R)
• M23: 30,825,688 km (0.056 R)
• M24: 33,005,479 km (0.099 R)
• M25: 37,798,894 km (0.076 R)
• M26: 40,160,296 km (0.047 R)
• M27: 42,063,630 km (0.049 R)
• M28: 45,320,376 km (0.106 R)
• M29: 51,378,342 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.1

Radius: 7.2

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 12.34 AU - 15.36 AU

Year: 18116 Days

Day: 22.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,841,045 km

• M1: 90,806 km (0.072 R)
• M2: 498,161 km (0.064 R)
• M3: 880,533 km (0.097 R)
• M4: 1,116,449 km (0.057 R)
• M5: 1,558,810 km (0.106 R)
• M6: 2,604,050 km (0.067 R)
• M7: 2,855,375 km (0.059 R)
• M8: 3,480,694 km (0.093 R)
• M9: 3,708,382 km (0.062 R)
• M10: 4,055,000 km (0.114 R)
• M11: 4,906,212 km (0.1 R)
• M12: 5,160,827 km (0.086 R)
• M13: 6,305,849 km (0.101 R)
• M14: 8,127,952 km (0.117 R)
• M15: 9,230,937 km (0.038 R)
• M16: 9,718,775 km (0.049 R)
• M17: 12,596,440 km (0.074 R)
• M18: 16,066,063 km (0.036 R)
• M19: 16,558,091 km (0.086 R)
• M20: 21,786,536 km (0.071 R)
• M21: 22,826,391 km (0.056 R)
• M22: 23,808,352 km (0.093 R)
• M23: 30,086,825 km (0.105 R)
• M24: 33,718,163 km (0.053 R)
• M25: 37,019,639 km (0.081 R)
• M26: 38,874,054 km (0.078 R)
• M27: 39,505,806 km (0.095 R)
• M28: 45,501,988 km (0.061 R)
• M29: 48,496,937 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.6

Radius: 7.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 17.07 AU - 17.07 AU

Year: 24787 Days

Day: 22.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,841,045 km

• M1: 296,054 km (0.105 R)
• M2: 822,639 km (0.074 R)
• M3: 1,633,160 km (0.11 R)
• M4: 1,977,235 km (0.07 R)
• M5: 5,218,722 km (0.082 R)
• M6: 8,831,211 km (0.09 R)
• M7: 9,191,892 km (0.077 R)
• M8: 12,441,756 km (0.068 R)
• M9: 20,537,693 km (0.08 R)
• M10: 22,812,927 km (0.062 R)
• M11: 23,924,290 km (0.097 R)
• M12: 24,273,451 km (0.026 R)
• M13: 26,162,274 km (0.12 R)
• M14: 26,906,972 km (0.037 R)
• M15: 31,674,656 km (0.057 R)
• M16: 39,229,050 km (0.043 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 15,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit