🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.8

Radius: 9.4

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.65 AU - 0.71 AU

Year: 357 Days

Day: 14.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,926,606 km

• M1: 116,986 km (0.054 R)
• M2: 432,637 km (0.113 R)
• M3: 741,108 km (0.059 R)
• M4: 1,034,020 km (0.086 R)
• M5: 1,539,362 km (0.1 R)
• M6: 1,838,707 km (0.107 R)
• M7: 2,135,958 km (0.076 R)
• M8: 2,730,161 km (0.112 R)
• M9: 3,098,621 km (0.09 R)
• M10: 3,442,397 km (0.12 R)
• M11: 3,911,087 km (0.076 R)
• M12: 4,286,727 km (0.061 R)
• M13: 4,830,066 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422

Radius: 9.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.7 AU - 0.7 AU

Year: 372 Days

Day: 7 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,926,606 km

• M1: 121,922 km (0.098 R)
• M2: 431,440 km (0.037 R)
• M3: 850,314 km (0.064 R)
• M4: 1,365,679 km (0.033 R)
• M5: 1,706,014 km (0.102 R)
• M6: 2,142,541 km (0.039 R)
• M7: 2,996,595 km (0.083 R)
• M8: 3,370,141 km (0.103 R)
• M9: 3,774,803 km (0.106 R)
• M10: 4,174,080 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.1

Radius: 14.5

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.7 AU - 3.1 AU

Year: 3140 Days

Day: 11.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,926,606 km

• M1: 180,864 km (0.087 R)
• M2: 664,663 km (0.101 R)
• M3: 1,266,645 km (0.06 R)
• M4: 1,733,241 km (0.111 R)
• M5: 2,305,004 km (0.032 R)
• M6: 2,987,469 km (0.086 R)
• M7: 3,476,206 km (0.089 R)
• M8: 4,557,050 km (0.102 R)
• M9: 5,524,051 km (0.099 R)
• M10: 6,834,080 km (0.052 R)
• M11: 8,042,082 km (0.1 R)
• M12: 9,755,427 km (0.088 R)
• M13: 10,377,455 km (0.099 R)
• M14: 13,680,127 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.4

Radius: 12.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.52 AU - 3.5 AU

Year: 3320 Days

Day: 9.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,926,606 km

• M1: 155,432 km (0.12 R)
• M2: 1,017,714 km (0.059 R)
• M3: 1,538,165 km (0.039 R)
• M4: 2,261,022 km (0.115 R)
• M5: 2,686,628 km (0.114 R)
• M6: 3,217,102 km (0.118 R)
• M7: 3,609,049 km (0.031 R)
• M8: 4,404,760 km (0.039 R)
• M9: 4,959,319 km (0.081 R)
• M10: 5,411,553 km (0.068 R)
• M11: 5,813,822 km (0.099 R)
• M12: 7,053,839 km (0.084 R)
• M13: 7,846,708 km (0.115 R)
• M14: 10,701,633 km (0.117 R)
• M15: 12,556,348 km (0.045 R)
• M16: 13,355,200 km (0.076 R)
• M17: 14,187,712 km (0.1 R)
• M18: 15,152,918 km (0.086 R)
• M19: 16,472,521 km (0.082 R)
• M20: 17,812,170 km (0.064 R)
• M21: 19,107,837 km (0.088 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 18,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit