🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.1

Radius: 9.4

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.47 AU - 0.55 AU

Year: 247 Days

Day: 5.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 19,088,616 km

• M1: 116,836 km (0.041 R)
• M2: 532,419 km (0.102 R)
• M3: 879,785 km (0.096 R)
• M4: 1,542,952 km (0.072 R)
• M5: 2,035,429 km (0.071 R)
• M6: 2,359,757 km (0.107 R)
• M7: 2,836,974 km (0.119 R)
• M8: 3,612,489 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.9

Radius: 12

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.51 AU - 0.57 AU

Year: 269 Days

Day: 8.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 19,088,616 km

• M1: 150,047 km (0.084 R)
• M2: 619,036 km (0.084 R)
• M3: 1,111,512 km (0.088 R)
• M4: 1,561,353 km (0.072 R)
• M5: 2,025,555 km (0.111 R)
• M6: 2,480,931 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.2

Radius: 14.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.77 AU - 0.85 AU

Year: 494 Days

Day: 6.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,088,616 km

• M1: 182,958 km (0.12 R)
• M2: 676,033 km (0.115 R)
• M3: 1,252,284 km (0.101 R)
• M4: 1,776,026 km (0.111 R)
• M5: 2,282,714 km (0.075 R)
• M6: 2,834,281 km (0.056 R)
• M7: 3,320,624 km (0.058 R)
• M8: 4,336,693 km (0.06 R)
• M9: 4,910,401 km (0.116 R)
• M10: 5,534,672 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.6

Radius: 10.6

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.07 AU - 1.09 AU

Year: 761 Days

Day: 9.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,088,616 km

• M1: 131,796 km (0.106 R)
• M2: 505,491 km (0.119 R)
• M3: 1,038,359 km (0.086 R)
• M4: 1,432,549 km (0.041 R)
• M5: 1,891,366 km (0.093 R)
• M6: 2,230,355 km (0.039 R)
• M7: 2,566,052 km (0.11 R)
• M8: 2,972,360 km (0.084 R)
• M9: 3,726,633 km (0.09 R)
• M10: 4,187,843 km (0.06 R)
• M11: 4,538,051 km (0.104 R)
• M12: 5,556,663 km (0.1 R)
• M13: 5,941,279 km (0.071 R)
• M14: 7,136,118 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.3

Radius: 9.5

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.93 AU - 1.41 AU

Year: 858 Days

Day: 7.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,088,616 km

• M1: 118,930 km (0.113 R)
• M2: 648,507 km (0.094 R)
• M3: 1,409,212 km (0.118 R)
• M4: 1,958,685 km (0.06 R)
• M5: 2,357,662 km (0.096 R)
• M6: 2,691,864 km (0.05 R)
• M7: 3,757,001 km (0.055 R)
• M8: 4,247,682 km (0.099 R)
• M9: 4,558,846 km (0.101 R)
• M10: 4,991,782 km (0.117 R)
• M11: 6,020,716 km (0.037 R)
• M12: 6,914,264 km (0.087 R)
• M13: 7,277,039 km (0.097 R)
• M14: 8,700,014 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.5

Radius: 12.7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.18 AU - 2.24 AU

Year: 2228 Days

Day: 10.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,088,616 km

• M1: 157,975 km (0.068 R)
• M2: 599,289 km (0.086 R)
• M3: 1,152,352 km (0.094 R)
• M4: 1,684,173 km (0.11 R)
• M5: 2,227,512 km (0.118 R)
• M6: 2,886,641 km (0.055 R)
• M7: 3,672,628 km (0.06 R)
• M8: 4,865,372 km (0.065 R)
• M9: 5,350,517 km (0.09 R)
• M10: 5,757,424 km (0.076 R)
• M11: 6,537,726 km (0.061 R)
• M12: 8,394,086 km (0.106 R)
• M13: 8,827,471 km (0.104 R)
• M14: 9,739,420 km (0.072 R)
• M15: 12,257,152 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.6

Radius: 13

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.88 AU - 2.92 AU

Year: 3350 Days

Day: 8 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,088,616 km

• M1: 161,715 km (0.11 R)
• M2: 613,800 km (0.066 R)
• M3: 2,307,547 km (0.116 R)
• M4: 3,575,389 km (0.076 R)
• M5: 4,311,560 km (0.089 R)
• M6: 4,827,074 km (0.052 R)
• M7: 5,677,688 km (0.05 R)
• M8: 6,139,197 km (0.11 R)
• M9: 7,404,197 km (0.097 R)
• M10: 11,339,668 km (0.116 R)
• M11: 13,103,876 km (0.035 R)
• M12: 13,867,573 km (0.119 R)
• M13: 17,596,599 km (0.115 R)
• M14: 18,084,887 km (0.066 R)
• M15: 18,862,347 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 13,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit