🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856

Radius: 11.5

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.43 AU - 0.63 AU

Year: 257 Days

Day: 11 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,743,530 km

• M1: 143,016 km (0.057 R)
• M2: 506,538 km (0.114 R)
• M3: 975,677 km (0.12 R)
• M4: 1,333,964 km (0.119 R)
• M5: 1,715,588 km (0.116 R)
• M6: 2,163,185 km (0.102 R)
• M7: 2,856,571 km (0.089 R)
• M8: 3,426,090 km (0.086 R)
• M9: 4,046,024 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.2

Radius: 12.5

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.48 AU - 0.6 AU

Year: 265 Days

Day: 7.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 27,743,530 km

• M1: 155,432 km (0.077 R)
• M2: 637,586 km (0.045 R)
• M3: 1,169,407 km (0.099 R)
• M4: 1,658,592 km (0.042 R)
• M5: 2,083,749 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.9

Radius: 12.4

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.74 AU - 0.94 AU

Year: 513 Days

Day: 12.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,743,530 km

• M1: 154,235 km (0.085 R)
• M2: 603,927 km (0.117 R)
• M3: 1,018,612 km (0.113 R)
• M4: 1,582,147 km (0.052 R)
• M5: 1,987,707 km (0.101 R)
• M6: 2,755,593 km (0.095 R)
• M7: 3,197,505 km (0.118 R)
• M8: 4,848,317 km (0.105 R)
• M9: 6,426,575 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.5

Radius: 10.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.67 AU - 1.07 AU

Year: 541 Days

Day: 7 Hours

Environment

Temp: -171 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,743,530 km

• M1: 133,142 km (0.044 R)
• M2: 563,685 km (0.111 R)
• M3: 996,172 km (0.031 R)
• M4: 1,329,327 km (0.035 R)
• M5: 1,694,196 km (0.115 R)
• M6: 2,041,113 km (0.104 R)
• M7: 2,611,979 km (0.065 R)
• M8: 3,045,962 km (0.091 R)
• M9: 3,515,700 km (0.094 R)
• M10: 3,992,618 km (0.088 R)
• M11: 4,410,893 km (0.106 R)
• M12: 4,998,214 km (0.114 R)
• M13: 5,401,680 km (0.085 R)
• M14: 5,896,849 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.5

Radius: 12.5

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.58 AU - 1.78 AU

Year: 1452 Days

Day: 14.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,743,530 km

• M1: 161,117 km (0.12 R)
• M2: 591,660 km (0.074 R)
• M3: 1,084,435 km (0.112 R)
• M4: 1,627,625 km (0.114 R)
• M5: 2,059,065 km (0.101 R)
• M6: 2,988,965 km (0.051 R)
• M7: 3,613,237 km (0.116 R)
• M8: 4,251,721 km (0.114 R)
• M9: 4,673,886 km (0.118 R)
• M10: 5,667,964 km (0.047 R)
• M11: 6,227,011 km (0.098 R)
• M12: 7,534,646 km (0.077 R)
• M13: 8,408,298 km (0.086 R)
• M14: 8,899,428 km (0.106 R)
• M15: 9,348,521 km (0.054 R)
• M16: 9,812,723 km (0.062 R)
• M17: 10,227,408 km (0.108 R)
• M18: 10,989,908 km (0.056 R)
• M19: 12,332,549 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.6

Radius: 11.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.42 AU - 2.26 AU

Year: 1664 Days

Day: 11.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,743,530 km

• M1: 140,472 km (0.1 R)
• M2: 499,358 km (0.094 R)
• M3: 1,243,308 km (0.096 R)
• M4: 1,816,866 km (0.105 R)
• M5: 2,572,784 km (0.114 R)
• M6: 3,213,362 km (0.077 R)
• M7: 3,616,828 km (0.051 R)
• M8: 4,005,483 km (0.119 R)
• M9: 4,456,820 km (0.115 R)
• M10: 4,998,065 km (0.071 R)
• M11: 5,402,727 km (0.1 R)
• M12: 6,040,014 km (0.08 R)
• M13: 6,704,079 km (0.113 R)
• M14: 7,514,600 km (0.11 R)
• M15: 8,203,947 km (0.117 R)
• M16: 8,990,682 km (0.083 R)
• M17: 9,562,146 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.2

Radius: 13.9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.72 AU - 6 AU

Year: 7145 Days

Day: 8.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,743,530 km

• M1: 175,179 km (0.044 R)
• M2: 824,583 km (0.057 R)
• M3: 1,963,921 km (0.113 R)
• M4: 2,586,098 km (0.106 R)
• M5: 4,027,175 km (0.115 R)
• M6: 4,810,170 km (0.118 R)
• M7: 5,608,125 km (0.053 R)
• M8: 7,640,113 km (0.104 R)
• M9: 8,354,143 km (0.106 R)
• M10: 9,073,410 km (0.078 R)
• M11: 14,501,868 km (0.097 R)
• M12: 17,405,263 km (0.117 R)
• M13: 19,348,390 km (0.095 R)
• M14: 25,025,779 km (0.091 R)
• M15: 27,087,088 km (0.036 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 10,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit