🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 12.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.81 AU - 1.03 AU

Year: 599 Days

Day: 14.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,793,243 km

• M1: 160,369 km (0.099 R)
• M2: 836,402 km (0.094 R)
• M3: 1,413,550 km (0.118 R)
• M4: 2,272,242 km (0.08 R)
• M5: 3,021,129 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117

Radius: 11

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.75 AU - 1.19 AU

Year: 648 Days

Day: 14.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,793,243 km

• M1: 136,882 km (0.064 R)
• M2: 744,698 km (0.081 R)
• M3: 1,298,659 km (0.078 R)
• M4: 2,107,834 km (0.1 R)
• M5: 4,046,174 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.4

Radius: 11

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.91 AU - 1.07 AU

Year: 668 Days

Day: 7.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,793,243 km

• M1: 136,882 km (0.045 R)
• M2: 565,630 km (0.072 R)
• M3: 938,427 km (0.032 R)
• M4: 1,343,987 km (0.114 R)
• M5: 1,794,277 km (0.075 R)
• M6: 2,695,155 km (0.084 R)
• M7: 3,718,853 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.3

Radius: 12.4

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.92 AU - 1.34 AU

Year: 815 Days

Day: 11.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,793,243 km

• M1: 154,385 km (0.096 R)
• M2: 570,417 km (0.117 R)
• M3: 1,126,023 km (0.079 R)
• M4: 1,526,796 km (0.068 R)
• M5: 2,005,359 km (0.108 R)
• M6: 2,423,934 km (0.086 R)
• M7: 3,313,892 km (0.118 R)
• M8: 3,750,718 km (0.09 R)
• M9: 4,427,499 km (0.117 R)
• M10: 5,396,294 km (0.076 R)
• M11: 5,837,907 km (0.034 R)
• M12: 6,390,971 km (0.044 R)
• M13: 7,602,564 km (0.079 R)
• M14: 8,004,683 km (0.083 R)
• M15: 8,420,864 km (0.12 R)
• M16: 10,082,896 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.2

Radius: 13.8

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.13 AU - 1.15 AU

Year: 826 Days

Day: 6.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,793,243 km

• M1: 173,234 km (0.076 R)
• M2: 676,182 km (0.117 R)
• M3: 1,307,785 km (0.051 R)
• M4: 1,963,472 km (0.114 R)
• M5: 3,308,507 km (0.056 R)
• M6: 4,336,693 km (0.099 R)
• M7: 5,199,124 km (0.108 R)
• M8: 5,759,069 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.5

Radius: 10.9

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.32 AU - 1.66 AU

Year: 1234 Days

Day: 12.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,793,243 km

• M1: 135,536 km (0.077 R)
• M2: 538,253 km (0.086 R)
• M3: 901,926 km (0.108 R)
• M4: 1,289,085 km (0.072 R)
• M5: 1,905,428 km (0.025 R)
• M6: 2,288,099 km (0.116 R)
• M7: 2,825,904 km (0.061 R)
• M8: 3,522,880 km (0.066 R)
• M9: 4,020,592 km (0.074 R)
• M10: 4,675,681 km (0.053 R)
• M11: 5,524,949 km (0.096 R)
• M12: 6,086,389 km (0.034 R)
• M13: 7,198,201 km (0.093 R)
• M14: 7,579,975 km (0.104 R)
• M15: 8,029,217 km (0.102 R)
• M16: 9,304,688 km (0.087 R)
• M17: 9,851,020 km (0.077 R)
• M18: 10,710,609 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.1

Radius: 9.4

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.5 AU - 1.96 AU

Year: 1543 Days

Day: 9.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,793,243 km

• M1: 116,836 km (0.11 R)
• M2: 432,787 km (0.1 R)
• M3: 739,612 km (0.089 R)
• M4: 1,161,328 km (0.028 R)
• M5: 1,634,207 km (0.073 R)
• M6: 2,096,465 km (0.037 R)
• M7: 2,529,401 km (0.097 R)
• M8: 2,864,201 km (0.07 R)
• M9: 4,103,769 km (0.04 R)
• M10: 4,917,581 km (0.076 R)
• M11: 5,284,395 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.7

Radius: 6.8

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.71 AU - 6.75 AU

Year: 10547 Days

Day: 23.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,793,243 km

• M1: 86,468 km (0.12 R)
• M2: 562,338 km (0.101 R)
• M3: 1,163,123 km (0.111 R)
• M4: 1,455,737 km (0.091 R)
• M5: 1,677,740 km (0.094 R)
• M6: 1,894,059 km (0.04 R)
• M7: 2,253,991 km (0.118 R)
• M8: 2,804,062 km (0.104 R)
• M9: 4,024,482 km (0.064 R)
• M10: 4,542,988 km (0.073 R)
• M11: 5,683,074 km (0.05 R)
• M12: 7,937,962 km (0.112 R)
• M13: 9,200,718 km (0.098 R)
• M14: 10,010,940 km (0.073 R)
• M15: 10,867,687 km (0.052 R)
• M16: 14,392,063 km (0.086 R)
• M17: 14,787,450 km (0.094 R)
• M18: 17,440,120 km (0.076 R)
• M19: 20,606,957 km (0.103 R)
• M20: 26,086,428 km (0.112 R)
• M21: 31,793,287 km (0.118 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 15,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit