🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602

Radius: 8

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.84 AU - 0.94 AU

Year: 569 Days

Day: 8.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,807,873 km

• M1: 100,231 km (0.095 R)
• M2: 401,670 km (0.052 R)
• M3: 747,092 km (0.067 R)
• M4: 998,267 km (0.11 R)
• M5: 1,385,875 km (0.047 R)
• M6: 1,672,355 km (0.115 R)
• M7: 1,921,585 km (0.112 R)
• M8: 2,205,073 km (0.035 R)
• M9: 2,588,492 km (0.102 R)
• M10: 3,928,440 km (0.098 R)
• M11: 4,433,632 km (0.117 R)
• M12: 4,981,310 km (0.109 R)
• M13: 5,348,124 km (0.029 R)
• M14: 6,192,305 km (0.086 R)
• M15: 6,735,943 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.2

Radius: 12.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.1 AU - 2.26 AU

Year: 2183 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,807,873 km

• M1: 160,369 km (0.069 R)
• M2: 1,161,777 km (0.037 R)
• M3: 1,890,767 km (0.103 R)
• M4: 2,307,398 km (0.057 R)
• M5: 3,002,130 km (0.036 R)
• M6: 4,363,919 km (0.083 R)
• M7: 5,575,513 km (0.094 R)
• M8: 7,114,576 km (0.096 R)
• M9: 7,736,603 km (0.056 R)
• M10: 10,112,068 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.9

Radius: 13.2

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.88 AU - 2.58 AU

Year: 2259 Days

Day: 14.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,807,873 km

• M1: 165,605 km (0.097 R)
• M2: 639,232 km (0.09 R)
• M3: 1,083,537 km (0.092 R)
• M4: 1,636,601 km (0.098 R)
• M5: 2,981,336 km (0.029 R)
• M6: 3,554,595 km (0.063 R)
• M7: 4,426,601 km (0.066 R)
• M8: 5,027,984 km (0.1 R)
• M9: 5,615,455 km (0.083 R)
• M10: 7,354,531 km (0.056 R)
• M11: 7,940,206 km (0.095 R)
• M12: 8,861,729 km (0.097 R)
• M13: 10,531,391 km (0.093 R)
• M14: 11,096,123 km (0.106 R)
• M15: 11,943,296 km (0.093 R)
• M16: 12,518,649 km (0.085 R)
• M17: 13,725,156 km (0.095 R)
• M18: 14,314,123 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.1

Radius: 13

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.31 AU - 2.43 AU

Year: 2475 Days

Day: 5.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,807,873 km

• M1: 161,715 km (0.092 R)
• M2: 663,467 km (0.118 R)
• M3: 1,509,293 km (0.092 R)
• M4: 2,018,225 km (0.114 R)
• M5: 3,007,516 km (0.109 R)
• M6: 4,612,252 km (0.097 R)
• M7: 6,926,232 km (0.039 R)
• M8: 9,186,057 km (0.099 R)
• M9: 11,334,881 km (0.092 R)
• M10: 14,258,921 km (0.118 R)
• M11: 15,206,773 km (0.11 R)
• M12: 16,603,868 km (0.064 R)
• M13: 17,760,409 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 12.5

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.15 AU - 2.77 AU

Year: 2617 Days

Day: 7.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,807,873 km

• M1: 155,432 km (0.089 R)
• M2: 597,344 km (0.055 R)
• M3: 1,227,750 km (0.092 R)
• M4: 1,694,196 km (0.119 R)
• M5: 2,555,580 km (0.115 R)
• M6: 3,127,493 km (0.108 R)
• M7: 3,561,327 km (0.12 R)
• M8: 4,095,242 km (0.107 R)
• M9: 4,859,986 km (0.106 R)
• M10: 5,667,515 km (0.042 R)
• M11: 8,015,604 km (0.107 R)
• M12: 8,599,933 km (0.089 R)
• M13: 9,212,686 km (0.087 R)
• M14: 10,037,718 km (0.101 R)
• M15: 11,306,906 km (0.042 R)
• M16: 12,766,981 km (0.098 R)
• M17: 15,856,477 km (0.111 R)
• M18: 18,674,452 km (0.058 R)
• M19: 19,241,278 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.7

Radius: 9.3

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.2 AU - 6.72 AU

Year: 8653 Days

Day: 11.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,807,873 km

• M1: 115,639 km (0.078 R)
• M2: 416,780 km (0.106 R)
• M3: 963,709 km (0.064 R)
• M4: 2,422,438 km (0.114 R)
• M5: 2,792,992 km (0.114 R)
• M6: 3,452,120 km (0.094 R)
• M7: 4,360,928 km (0.097 R)
• M8: 4,912,345 km (0.082 R)
• M9: 5,204,959 km (0.099 R)
• M10: 6,771,548 km (0.119 R)
• M11: 7,816,489 km (0.028 R)
• M12: 8,216,813 km (0.08 R)
• M13: 9,532,227 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882

Radius: 4.4

Gravity: 45.56 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.94 AU - 6.3 AU

Year: 10269 Days

Day: 15.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 22,807,873 km

• M1: 55,052 km (0.08 R)
• M2: 194,028 km (0.077 R)
• M3: 691,441 km (0.093 R)
• M4: 1,075,309 km (0.074 R)
• M5: 1,243,757 km (0.081 R)
• M6: 1,429,856 km (0.039 R)
• M7: 2,740,483 km (0.118 R)
• M8: 4,299,892 km (0.11 R)
• M9: 5,351,415 km (0.118 R)
• M10: 5,630,265 km (0.055 R)
• M11: 11,111,382 km (0.12 R)
• M12: 11,393,374 km (0.115 R)
• M13: 11,971,719 km (0.101 R)
• M14: 12,148,993 km (0.114 R)
• M15: 12,569,512 km (0.084 R)
• M16: 12,752,620 km (0.115 R)
• M17: 12,937,523 km (0.104 R)
• M18: 15,437,303 km (0.085 R)
• M19: 16,726,538 km (0.099 R)
• M20: 17,548,877 km (0.098 R)
• M21: 19,680,647 km (0.112 R)
• M22: 25,023,385 km (0.102 R)
• M23: 25,703,457 km (0.086 R)
• M24: 25,900,029 km (0.087 R)
• M25: 27,201,979 km (0.092 R)
• M26: 29,935,880 km (0.116 R)
• M27: 32,847,354 km (0.056 R)
• M28: 35,697,343 km (0.083 R)
• M29: 39,747,855 km (0.096 R)
• M30: 45,085,208 km (0.053 R)
• M31: 45,802,230 km (0.045 R)
• M32: 49,350,094 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.1

Radius: 3

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.57 AU - 7.85 AU

Year: 11789 Days

Day: 20.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,807,873 km

• M1: 41,139 km (0.06 R)
• M2: 161,416 km (0.054 R)
• M3: 307,124 km (0.106 R)
• M4: 446,849 km (0.115 R)
• M5: 728,841 km (0.114 R)
• M6: 833,559 km (0.069 R)
• M7: 964,308 km (0.12 R)
• M8: 2,587,146 km (0.04 R)
• M9: 2,832,636 km (0.09 R)
• M10: 3,332,293 km (0.116 R)
• M11: 4,187,992 km (0.036 R)
• M12: 7,747,674 km (0.115 R)
• M13: 8,750,578 km (0.089 R)
• M14: 9,876,003 km (0.114 R)
• M15: 10,473,347 km (0.055 R)
• M16: 13,389,458 km (0.098 R)
• M17: 14,470,153 km (0.117 R)
• M18: 16,803,581 km (0.09 R)
• M19: 17,942,469 km (0.098 R)
• M20: 19,870,038 km (0.1 R)
• M21: 21,864,776 km (0.054 R)
• M22: 21,997,918 km (0.107 R)
• M23: 22,467,955 km (0.072 R)
• M24: 22,603,490 km (0.089 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 19,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit