🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.47 AU - 1.99 AU

Year: 827 Days

Day: 42.2 Hours

Environment

Temp: -50 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.53 AU - 2.05 AU

Year: 870 Days

Day: 31.2 Hours

Environment

Temp: -45 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.24 AU - 4.06 AU

Year: 2534 Days

Day: 42.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,664,287 km

• M1: 489,634 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.23 AU - 4.37 AU

Year: 2692 Days

Day: 21.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.9

Radius: 10.4

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.88 AU - 8.9 AU

Year: 8055 Days

Day: 13.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,664,287 km

• M1: 129,402 km (0.118 R)
• M2: 632,051 km (0.118 R)
• M3: 1,221,467 km (0.089 R)
• M4: 2,058,467 km (0.115 R)
• M5: 2,514,591 km (0.085 R)
• M6: 2,919,552 km (0.111 R)
• M7: 3,283,075 km (0.087 R)
• M8: 3,609,049 km (0.061 R)
• M9: 4,126,657 km (0.116 R)
• M10: 4,720,262 km (0.076 R)
• M11: 5,080,344 km (0.101 R)
• M12: 5,731,693 km (0.106 R)
• M13: 7,382,805 km (0.054 R)
• M14: 8,578,690 km (0.114 R)
• M15: 9,416,139 km (0.078 R)
• M16: 13,100,884 km (0.074 R)
• M17: 15,623,553 km (0.12 R)
• M18: 16,301,680 km (0.059 R)
• M19: 18,049,133 km (0.091 R)
• M20: 21,159,123 km (0.097 R)
• M21: 22,373,558 km (0.104 R)
• M22: 24,775,053 km (0.102 R)
• M23: 28,874,783 km (0.105 R)
• M24: 31,133,262 km (0.099 R)
• M25: 32,404,544 km (0.082 R)
• M26: 34,427,556 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.3

Radius: 7.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 13.08 AU - 17.62 AU

Year: 21857 Days

Day: 16.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,664,287 km

• M1: 95,144 km (0.067 R)
• M2: 971,040 km (0.108 R)
• M3: 3,030,554 km (0.088 R)
• M4: 3,304,168 km (0.119 R)
• M5: 4,452,332 km (0.101 R)
• M6: 8,718,863 km (0.081 R)
• M7: 9,756,624 km (0.092 R)
• M8: 11,139,805 km (0.068 R)
• M9: 13,975,882 km (0.088 R)
• M10: 16,974,571 km (0.11 R)
• M11: 23,055,276 km (0.106 R)
• M12: 28,192,467 km (0.074 R)
• M13: 30,866,678 km (0.104 R)
• M14: 35,188,112 km (0.063 R)
• M15: 37,674,129 km (0.102 R)
• M16: 38,528,184 km (0.103 R)
• M17: 40,656,064 km (0.117 R)
• M18: 44,871,582 km (0.065 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 15,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit