🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.5

Radius: 8.3

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.6 AU - 0.8 AU

Year: 391 Days

Day: 14 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,554,368 km

• M1: 103,522 km (0.075 R)
• M2: 421,417 km (0.058 R)
• M3: 680,222 km (0.08 R)
• M4: 965,804 km (0.06 R)
• M5: 1,248,993 km (0.091 R)
• M6: 1,519,615 km (0.097 R)
• M7: 1,876,556 km (0.08 R)
• M8: 2,426,777 km (0.09 R)
• M9: 2,822,463 km (0.036 R)
• M10: 3,412,926 km (0.071 R)
• M11: 4,400,122 km (0.072 R)
• M12: 4,929,399 km (0.059 R)
• M13: 5,305,189 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.3

Radius: 11.8

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.7 AU - 0.78 AU

Year: 424 Days

Day: 12.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,554,368 km

• M1: 146,756 km (0.087 R)
• M2: 523,293 km (0.051 R)
• M3: 1,489,546 km (0.051 R)
• M4: 2,188,018 km (0.095 R)
• M5: 2,844,454 km (0.08 R)
• M6: 3,359,819 km (0.034 R)
• M7: 3,836,288 km (0.103 R)
• M8: 4,412,389 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.9

Radius: 9.2

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.94 AU - 2.9 AU

Year: 2510 Days

Day: 7.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,554,368 km

• M1: 114,442 km (0.025 R)
• M2: 1,408,913 km (0.09 R)
• M3: 1,895,255 km (0.071 R)
• M4: 2,243,818 km (0.059 R)
• M5: 2,576,674 km (0.092 R)
• M6: 3,121,509 km (0.102 R)
• M7: 3,412,776 km (0.028 R)
• M8: 4,900,826 km (0.07 R)
• M9: 5,344,085 km (0.11 R)
• M10: 7,602,564 km (0.106 R)
• M11: 10,660,643 km (0.099 R)
• M12: 11,127,538 km (0.075 R)
• M13: 11,936,115 km (0.041 R)
• M14: 13,089,066 km (0.04 R)
• M15: 14,455,343 km (0.106 R)
• M16: 15,124,494 km (0.118 R)
• M17: 16,014,901 km (0.052 R)
• M18: 16,939,864 km (0.117 R)
• M19: 18,338,305 km (0.036 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.1

Radius: 3.6

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.41 AU - 7.67 AU

Year: 11153 Days

Day: 21.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,554,368 km

• M1: 46,226 km (0.061 R)
• M2: 181,163 km (0.068 R)
• M3: 525,388 km (0.09 R)
• M4: 637,885 km (0.045 R)
• M5: 992,582 km (0.11 R)
• M6: 1,349,971 km (0.062 R)
• M7: 1,856,958 km (0.066 R)
• M8: 2,001,470 km (0.047 R)
• M9: 2,232,299 km (0.039 R)
• M10: 2,480,781 km (0.098 R)
• M11: 3,443,145 km (0.061 R)
• M12: 4,199,960 km (0.082 R)
• M13: 8,150,840 km (0.107 R)
• M14: 9,021,500 km (0.118 R)
• M15: 10,806,352 km (0.105 R)
• M16: 12,658,523 km (0.041 R)
• M17: 14,712,053 km (0.11 R)
• M18: 15,698,501 km (0.093 R)
• M19: 16,056,938 km (0.068 R)
• M20: 17,228,140 km (0.119 R)
• M21: 19,739,140 km (0.118 R)
• M22: 21,591,012 km (0.054 R)
• M23: 22,183,270 km (0.115 R)
• M24: 28,625,253 km (0.109 R)
• M25: 30,804,146 km (0.049 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 15,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit