🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.53 AU - 0.57 AU

Year: 144 Days

Day: 17.2 Hours

Environment

Temp: 197 °C

Axial Tilt: 15.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,909,156 km

• M1: 39,344 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.18 AU - 1.56 AU

Year: 566 Days

Day: 20 Hours

Environment

Temp: 15 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.11 AU - 1.67 AU

Year: 579 Days

Day: 22.1 Hours

Environment

Temp: -2 °C

Axial Tilt: 0.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.46 AU - 2.3 AU

Year: 910 Days

Day: 39.1 Hours

Environment

Temp: -45 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.2 AU - 3.96 AU

Year: 2392 Days

Day: 42.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,909,156 km

• M1: 21,093 km (0.088 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.33 AU - 4.63 AU

Year: 3348 Days

Day: 35 Hours

Environment

Temp: -115 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,909,156 km

• M1: 3,000,335 km (0.08 R)

Asteroid Belt

Center: 4.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.1

Radius: 14.8

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.88 AU - 6.08 AU

Year: 4530 Days

Day: 12.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,909,156 km

• M1: 184,155 km (0.068 R)
• M2: 697,425 km (0.101 R)
• M3: 1,177,784 km (0.079 R)
• M4: 1,697,188 km (0.06 R)
• M5: 2,312,783 km (0.089 R)
• M6: 2,866,295 km (0.061 R)
• M7: 3,896,277 km (0.038 R)
• M8: 4,784,738 km (0.114 R)
• M9: 6,059,761 km (0.109 R)
• M10: 6,965,277 km (0.09 R)
• M11: 7,550,953 km (0.062 R)
• M12: 9,236,771 km (0.11 R)
• M13: 10,188,812 km (0.076 R)
• M14: 10,988,412 km (0.082 R)
• M15: 11,603,858 km (0.05 R)
• M16: 12,288,867 km (0.08 R)
• M17: 13,740,116 km (0.11 R)
• M18: 14,664,032 km (0.116 R)
• M19: 15,738,893 km (0.095 R)
• M20: 17,213,928 km (0.07 R)
• M21: 18,471,148 km (0.084 R)
• M22: 21,574,107 km (0.109 R)
• M23: 22,751,891 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 13.1

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 9.27 AU - 12.87 AU

Year: 13005 Days

Day: 6.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,909,156 km

• M1: 162,912 km (0.073 R)
• M2: 668,254 km (0.114 R)
• M3: 1,243,906 km (0.031 R)
• M4: 1,803,702 km (0.065 R)
• M5: 2,401,345 km (0.109 R)
• M6: 2,853,430 km (0.089 R)
• M7: 4,182,308 km (0.101 R)
• M8: 8,022,485 km (0.075 R)
• M9: 8,466,491 km (0.049 R)
• M10: 8,888,058 km (0.07 R)
• M11: 9,323,538 km (0.081 R)
• M12: 10,194,796 km (0.087 R)
• M13: 14,828,590 km (0.067 R)
• M14: 17,448,796 km (0.107 R)
• M15: 20,159,959 km (0.11 R)
• M16: 22,478,576 km (0.07 R)
• M17: 23,215,046 km (0.086 R)
• M18: 28,400,109 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.1

Radius: 6.1

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 19.85 AU - 21.25 AU

Year: 32894 Days

Day: 22.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,909,156 km

• M1: 78,389 km (0.117 R)
• M2: 332,257 km (0.047 R)
• M3: 540,647 km (0.026 R)
• M4: 759,957 km (0.102 R)
• M5: 1,217,278 km (0.104 R)
• M6: 2,902,348 km (0.107 R)
• M7: 3,341,119 km (0.067 R)
• M8: 3,912,882 km (0.081 R)
• M9: 6,348,335 km (0.074 R)
• M10: 9,260,407 km (0.052 R)
• M11: 10,557,271 km (0.092 R)
• M12: 12,756,360 km (0.052 R)
• M13: 15,318,672 km (0.088 R)
• M14: 33,119,173 km (0.113 R)
• M15: 33,756,311 km (0.066 R)
• M16: 38,028,377 km (0.06 R)
• M17: 41,754,112 km (0.108 R)
• M18: 52,806,403 km (0.119 R)

Kuiper Belt

Range: 31.1 - 52.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 13,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit