🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.1

Radius: 8.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.44 AU - 0.74 AU

Year: 302 Days

Day: 10.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,525,878 km

• M1: 109,506 km (0.038 R)
• M2: 394,639 km (0.102 R)
• M3: 788,680 km (0.112 R)
• M4: 1,144,424 km (0.08 R)
• M5: 1,535,173 km (0.111 R)
• M6: 1,879,099 km (0.066 R)
• M7: 2,196,546 km (0.058 R)
• M8: 2,526,708 km (0.059 R)
• M9: 2,898,309 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.4

Radius: 12

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.44 AU - 2.04 AU

Year: 1531 Days

Day: 13.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,525,878 km

• M1: 149,299 km (0.055 R)
• M2: 538,403 km (0.102 R)
• M3: 1,157,140 km (0.116 R)
• M4: 1,630,467 km (0.078 R)
• M5: 2,064,451 km (0.11 R)
• M6: 2,508,756 km (0.078 R)
• M7: 3,223,236 km (0.101 R)
• M8: 3,767,024 km (0.113 R)
• M9: 4,827,074 km (0.062 R)
• M10: 5,333,014 km (0.09 R)
• M11: 5,854,363 km (0.114 R)
• M12: 6,451,857 km (0.085 R)
• M13: 7,769,216 km (0.086 R)
• M14: 8,517,355 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332

Radius: 10.5

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.39 AU - 3.41 AU

Year: 3293 Days

Day: 5.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,525,878 km

• M1: 130,599 km (0.101 R)
• M2: 538,852 km (0.105 R)
• M3: 1,004,550 km (0.094 R)
• M4: 1,957,638 km (0.113 R)
• M5: 2,769,356 km (0.098 R)
• M6: 3,227,574 km (0.049 R)
• M7: 7,680,654 km (0.042 R)
• M8: 9,360,040 km (0.081 R)
• M9: 10,212,598 km (0.094 R)
• M10: 16,348,803 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.8

Radius: 11.4

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.75 AU - 3.65 AU

Year: 3817 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,525,878 km

• M1: 141,819 km (0.076 R)
• M2: 591,959 km (0.058 R)
• M3: 1,118,842 km (0.025 R)
• M4: 1,813,126 km (0.099 R)
• M5: 2,663,740 km (0.06 R)
• M6: 3,280,382 km (0.105 R)
• M7: 3,865,011 km (0.116 R)
• M8: 4,564,231 km (0.093 R)
• M9: 5,017,961 km (0.039 R)
• M10: 5,449,551 km (0.096 R)
• M11: 6,358,358 km (0.097 R)
• M12: 8,906,309 km (0.092 R)
• M13: 9,928,212 km (0.062 R)
• M14: 10,734,395 km (0.034 R)
• M15: 11,758,841 km (0.105 R)
• M16: 14,401,338 km (0.097 R)
• M17: 15,171,618 km (0.091 R)
• M18: 15,646,740 km (0.093 R)
• M19: 17,188,795 km (0.1 R)
• M20: 17,647,462 km (0.109 R)
• M21: 19,626,343 km (0.092 R)
• M22: 21,549,872 km (0.112 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 16,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit