🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.92 AU - 1.52 AU

Year: 502 Days

Day: 37.9 Hours

Environment

Temp: -9 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.55 AU - 4.87 AU

Year: 3220 Days

Day: 33.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,857,890 km

• M1: 914,043 km (0.114 R)
• M2: 1,790,387 km (0.055 R)

Asteroid Belt

Center: 5.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.7

Radius: 14.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.74 AU - 7.68 AU

Year: 6479 Days

Day: 12.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,857,890 km

• M1: 185,501 km (0.06 R)
• M2: 887,265 km (0.097 R)
• M3: 1,882,689 km (0.05 R)
• M4: 2,404,636 km (0.049 R)
• M5: 3,494,905 km (0.071 R)
• M6: 4,980,113 km (0.114 R)
• M7: 5,456,283 km (0.089 R)
• M8: 6,329,486 km (0.05 R)
• M9: 6,998,637 km (0.077 R)
• M10: 8,355,041 km (0.098 R)
• M11: 9,382,330 km (0.072 R)
• M12: 15,696,257 km (0.091 R)
• M13: 17,871,410 km (0.083 R)
• M14: 20,091,742 km (0.06 R)
• M15: 23,139,200 km (0.058 R)
• M16: 23,634,070 km (0.115 R)
• M17: 24,474,361 km (0.049 R)
• M18: 25,509,130 km (0.064 R)
• M19: 28,599,373 km (0.109 R)
• M20: 31,025,252 km (0.042 R)
• M21: 31,526,405 km (0.082 R)
• M22: 35,187,514 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 10.4

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.24 AU - 10.52 AU

Year: 10709 Days

Day: 5.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,857,890 km

• M1: 138,528 km (0.104 R)
• M2: 473,926 km (0.115 R)
• M3: 808,128 km (0.056 R)
• M4: 1,729,351 km (0.059 R)
• M5: 2,145,533 km (0.109 R)
• M6: 2,867,492 km (0.089 R)
• M7: 3,520,487 km (0.109 R)
• M8: 4,736,418 km (0.117 R)
• M9: 5,559,206 km (0.101 R)
• M10: 8,051,657 km (0.096 R)
• M11: 8,971,085 km (0.035 R)
• M12: 11,257,689 km (0.063 R)
• M13: 11,648,737 km (0.106 R)
• M14: 12,201,202 km (0.106 R)
• M15: 17,528,233 km (0.113 R)
• M16: 17,855,703 km (0.102 R)
• M17: 18,862,646 km (0.1 R)
• M18: 20,263,480 km (0.091 R)
• M19: 21,062,931 km (0.111 R)
• M20: 21,582,634 km (0.107 R)
• M21: 24,635,628 km (0.117 R)
• M22: 26,137,291 km (0.055 R)
• M23: 26,910,563 km (0.086 R)
• M24: 27,610,681 km (0.116 R)
• M25: 30,344,731 km (0.113 R)
• M26: 33,857,888 km (0.045 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 12,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit