🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.8

Radius: 12.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.71 AU - 0.75 AU

Year: 409 Days

Day: 13 Hours

Environment

Temp: -149 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,749,349 km

• M1: 158,424 km (0.114 R)
• M2: 692,788 km (0.107 R)
• M3: 1,175,839 km (0.057 R)
• M4: 1,613,862 km (0.038 R)
• M5: 2,442,185 km (0.099 R)
• M6: 2,940,346 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.3

Radius: 14

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.72 AU - 0.92 AU

Year: 487 Days

Day: 5.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,749,349 km

• M1: 174,132 km (0.039 R)
• M2: 676,930 km (0.119 R)
• M3: 1,330,374 km (0.105 R)
• M4: 1,847,235 km (0.097 R)
• M5: 2,518,779 km (0.103 R)
• M6: 3,088,298 km (0.064 R)
• M7: 4,641,424 km (0.071 R)
• M8: 5,117,444 km (0.098 R)
• M9: 5,661,232 km (0.078 R)
• M10: 6,785,610 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.6

Radius: 11.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.95 AU - 1.43 AU

Year: 852 Days

Day: 14.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,749,349 km

• M1: 140,921 km (0.09 R)
• M2: 499,208 km (0.055 R)
• M3: 955,781 km (0.106 R)
• M4: 1,439,880 km (0.035 R)
• M5: 2,304,106 km (0.1 R)
• M6: 2,869,138 km (0.106 R)
• M7: 3,700,453 km (0.116 R)
• M8: 4,865,521 km (0.056 R)
• M9: 5,523,901 km (0.102 R)
• M10: 6,065,595 km (0.041 R)
• M11: 6,642,594 km (0.095 R)
• M12: 7,700,251 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147

Radius: 11.1

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.74 AU - 2.68 AU

Year: 2155 Days

Day: 12.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,749,349 km

• M1: 138,079 km (0.084 R)
• M2: 484,248 km (0.101 R)
• M3: 936,034 km (0.119 R)
• M4: 1,569,132 km (0.059 R)
• M5: 1,915,900 km (0.091 R)
• M6: 2,731,807 km (0.037 R)
• M7: 3,117,620 km (0.076 R)
• M8: 4,081,180 km (0.087 R)
• M9: 4,605,819 km (0.1 R)
• M10: 5,080,344 km (0.079 R)
• M11: 5,467,204 km (0.094 R)
• M12: 6,278,922 km (0.093 R)
• M13: 7,145,094 km (0.045 R)
• M14: 9,542,549 km (0.081 R)
• M15: 10,133,760 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.7

Radius: 12.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.43 AU - 4.83 AU

Year: 5506 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,749,349 km

• M1: 156,779 km (0.113 R)
• M2: 860,487 km (0.057 R)
• M3: 1,428,660 km (0.045 R)
• M4: 2,315,625 km (0.111 R)
• M5: 3,540,982 km (0.043 R)
• M6: 5,702,072 km (0.108 R)
• M7: 6,104,042 km (0.117 R)
• M8: 8,012,312 km (0.078 R)
• M9: 14,132,660 km (0.115 R)
• M10: 15,034,586 km (0.038 R)
• M11: 16,201,449 km (0.035 R)
• M12: 18,278,915 km (0.088 R)
• M13: 18,903,636 km (0.109 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 11,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit