🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.53 AU - 0.71 AU

Year: 170 Days

Day: 19.5 Hours

Environment

Temp: 220 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,319,424 km

• M1: 178,919 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.3 AU - 1.36 AU

Year: 534 Days

Day: 36.2 Hours

Environment

Temp: 9 °C

Axial Tilt: 20 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.28 AU - 1.38 AU

Year: 534 Days

Day: 37.2 Hours

Environment

Temp: -1 °C

Axial Tilt: 25.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 85,319,424 km

• M1: 145,409 km (0.076 R)
• M2: 606,769 km (0.057 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.7 AU - 1.7 AU

Year: 772 Days

Day: 37.8 Hours

Environment

Temp: -22 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,319,424 km

• M1: 50,564 km (0.09 R)
• M2: 455,675 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.05 AU - 4.53 AU

Year: 2570 Days

Day: 28.5 Hours

Environment

Temp: -98 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.24 AU - 5.54 AU

Year: 4358 Days

Day: 18.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.1

Radius: 14.6

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.12 AU - 7.16 AU

Year: 5959 Days

Day: 13.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,319,424 km

• M1: 181,761 km (0.085 R)
• M2: 664,963 km (0.113 R)
• M3: 1,481,917 km (0.071 R)
• M4: 1,968,558 km (0.096 R)
• M5: 2,838,320 km (0.077 R)
• M6: 4,994,475 km (0.112 R)
• M7: 6,018,322 km (0.112 R)
• M8: 7,888,445 km (0.065 R)
• M9: 9,450,247 km (0.079 R)
• M10: 11,258,885 km (0.114 R)
• M11: 11,757,794 km (0.039 R)
• M12: 12,323,723 km (0.054 R)
• M13: 13,288,928 km (0.106 R)
• M14: 13,903,177 km (0.073 R)
• M15: 15,798,732 km (0.083 R)
• M16: 17,928,557 km (0.083 R)
• M17: 21,970,990 km (0.08 R)
• M18: 28,104,354 km (0.09 R)
• M19: 29,870,356 km (0.088 R)
• M20: 30,347,125 km (0.075 R)
• M21: 32,606,202 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.8

Radius: 14.9

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.92 AU - 11.96 AU

Year: 10914 Days

Day: 11.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,319,424 km

• M1: 185,352 km (0.106 R)
• M2: 769,382 km (0.091 R)
• M3: 1,569,880 km (0.064 R)
• M4: 2,726,421 km (0.06 R)
• M5: 3,886,253 km (0.113 R)
• M6: 4,709,939 km (0.065 R)
• M7: 6,021,613 km (0.028 R)
• M8: 7,769,964 km (0.067 R)
• M9: 8,407,550 km (0.071 R)
• M10: 8,942,662 km (0.048 R)
• M11: 10,737,686 km (0.116 R)
• M12: 12,135,828 km (0.074 R)
• M13: 14,838,014 km (0.102 R)
• M14: 17,701,916 km (0.064 R)
• M15: 19,571,740 km (0.068 R)
• M16: 20,355,483 km (0.1 R)
• M17: 22,661,684 km (0.108 R)
• M18: 24,863,765 km (0.119 R)
• M19: 34,652,103 km (0.09 R)
• M20: 35,222,669 km (0.08 R)
• M21: 37,209,927 km (0.107 R)
• M22: 42,960,619 km (0.034 R)
• M23: 43,487,054 km (0.065 R)
• M24: 45,499,744 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.1

Radius: 5.8

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 16.61 AU - 22.65 AU

Year: 30288 Days

Day: 20 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,319,424 km

• M1: 72,256 km (0.098 R)
• M2: 268,229 km (0.061 R)
• M3: 774,767 km (0.115 R)
• M4: 1,030,281 km (0.099 R)
• M5: 1,963,622 km (0.104 R)
• M6: 2,865,547 km (0.085 R)
• M7: 3,191,671 km (0.092 R)
• M8: 3,758,497 km (0.101 R)
• M9: 4,899,031 km (0.099 R)
• M10: 6,433,157 km (0.047 R)
• M11: 6,616,265 km (0.049 R)
• M12: 7,235,301 km (0.088 R)
• M13: 13,947,907 km (0.114 R)
• M14: 14,962,929 km (0.097 R)
• M15: 15,776,442 km (0.119 R)
• M16: 20,784,679 km (0.106 R)
• M17: 26,995,085 km (0.093 R)
• M18: 35,748,954 km (0.098 R)
• M19: 64,949,412 km (0.113 R)
• M20: 65,376,813 km (0.088 R)
• M21: 69,307,048 km (0.087 R)
• M22: 76,678,034 km (0.088 R)
• M23: 79,571,556 km (0.069 R)

Kuiper Belt

Range: 31.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 19,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit