🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.5

Radius: 11.2

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.57 AU - 0.93 AU

Year: 448 Days

Day: 8.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 10,085,988 km

• M1: 139,276 km (0.114 R)
• M2: 523,892 km (0.109 R)
• M3: 900,729 km (0.099 R)
• M4: 1,311,973 km (0.037 R)
• M5: 1,672,504 km (0.091 R)
• M6: 2,215,993 km (0.029 R)
• M7: 2,725,075 km (0.066 R)
• M8: 3,076,181 km (0.089 R)
• M9: 4,160,167 km (0.092 R)
• M10: 4,583,230 km (0.086 R)
• M11: 5,992,442 km (0.102 R)
• M12: 6,533,837 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.6

Radius: 11.2

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.62 AU - 1 AU

Year: 503 Days

Day: 11.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 135 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 10,085,988 km

• M1: 139,276 km (0.042 R)
• M2: 506,987 km (0.097 R)
• M3: 936,782 km (0.112 R)
• M4: 1,353,412 km (0.09 R)
• M5: 1,711,100 km (0.108 R)
• M6: 2,391,771 km (0.103 R)
• M7: 2,770,702 km (0.117 R)
• M8: 4,372,297 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.6

Radius: 8.9

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.8 AU - 0.98 AU

Year: 580 Days

Day: 12.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 10,085,988 km

• M1: 110,852 km (0.083 R)
• M2: 463,454 km (0.103 R)
• M3: 781,948 km (0.066 R)
• M4: 1,100,592 km (0.066 R)
• M5: 1,533,677 km (0.114 R)
• M6: 1,930,411 km (0.085 R)
• M7: 2,460,287 km (0.09 R)
• M8: 2,754,994 km (0.071 R)
• M9: 3,196,009 km (0.114 R)
• M10: 3,848,256 km (0.093 R)
• M11: 4,913,093 km (0.066 R)
• M12: 5,303,245 km (0.069 R)
• M13: 5,629,966 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323

Radius: 10.5

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.86 AU - 1.1 AU

Year: 670 Days

Day: 10.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 10,085,988 km

• M1: 130,599 km (0.118 R)
• M2: 579,841 km (0.115 R)
• M3: 991,983 km (0.103 R)
• M4: 1,411,905 km (0.078 R)
• M5: 1,830,480 km (0.111 R)
• M6: 2,322,507 km (0.105 R)
• M7: 2,868,988 km (0.102 R)
• M8: 3,236,849 km (0.1 R)
• M9: 3,623,709 km (0.1 R)
• M10: 5,358,895 km (0.116 R)
• M11: 6,026,700 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.6

Radius: 11.2

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.27 AU - 1.41 AU

Year: 1071 Days

Day: 12.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 10,085,988 km

• M1: 139,276 km (0.103 R)
• M2: 609,163 km (0.06 R)
• M3: 1,253,181 km (0.077 R)
• M4: 1,879,248 km (0.107 R)
• M5: 2,957,251 km (0.096 R)
• M6: 4,208,039 km (0.118 R)
• M7: 4,978,168 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.3

Radius: 13.1

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.18 AU - 1.84 AU

Year: 1281 Days

Day: 12.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 10,085,988 km

• M1: 162,912 km (0.1 R)
• M2: 588,817 km (0.072 R)
• M3: 1,280,408 km (0.115 R)
• M4: 1,934,001 km (0.101 R)
• M5: 2,775,788 km (0.099 R)
• M6: 3,229,220 km (0.045 R)
• M7: 4,073,251 km (0.106 R)
• M8: 5,350,517 km (0.055 R)
• M9: 5,944,271 km (0.105 R)
• M10: 6,630,776 km (0.092 R)
• M11: 7,316,832 km (0.096 R)
• M12: 9,072,363 km (0.111 R)
• M13: 9,918,788 km (0.088 R)
• M14: 10,344,842 km (0.102 R)
• M15: 10,885,938 km (0.056 R)
• M16: 11,696,908 km (0.108 R)
• M17: 13,124,520 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.3

Radius: 10.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.57 AU - 1.67 AU

Year: 1423 Days

Day: 6.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 10,085,988 km

• M1: 134,488 km (0.084 R)
• M2: 520,451 km (0.097 R)
• M3: 1,330,823 km (0.051 R)
• M4: 1,803,253 km (0.099 R)
• M5: 3,156,365 km (0.108 R)
• M6: 4,164,655 km (0.103 R)
• M7: 5,130,908 km (0.101 R)
• M8: 7,336,878 km (0.07 R)
• M9: 9,010,579 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.5

Radius: 9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.66 AU - 1.72 AU

Year: 1516 Days

Day: 5.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 10,085,988 km

• M1: 112,498 km (0.097 R)
• M2: 476,918 km (0.117 R)
• M3: 996,771 km (0.099 R)
• M4: 1,307,037 km (0.044 R)
• M5: 1,588,430 km (0.111 R)
• M6: 1,910,814 km (0.035 R)
• M7: 2,940,496 km (0.113 R)
• M8: 3,388,541 km (0.103 R)
• M9: 3,834,792 km (0.113 R)
• M10: 5,029,480 km (0.111 R)
• M11: 5,491,439 km (0.058 R)
• M12: 6,215,642 km (0.046 R)
• M13: 8,212,474 km (0.085 R)
• M14: 9,102,881 km (0.088 R)
• M15: 9,877,947 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 19,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit