🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.6

Radius: 9.1

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.22 AU - 1.36 AU

Year: 1011 Days

Day: 14 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,294,395 km

• M1: 115,340 km (0.113 R)
• M2: 401,072 km (0.099 R)
• M3: 711,787 km (0.101 R)
• M4: 1,143,676 km (0.117 R)
• M5: 1,855,762 km (0.086 R)
• M6: 2,207,317 km (0.102 R)
• M7: 2,567,548 km (0.046 R)
• M8: 2,901,899 km (0.077 R)
• M9: 3,658,715 km (0.074 R)
• M10: 4,083,723 km (0.047 R)
• M11: 4,719,514 km (0.089 R)
• M12: 5,519,563 km (0.12 R)
• M13: 6,122,891 km (0.107 R)
• M14: 6,541,466 km (0.07 R)
• M15: 8,707,494 km (0.101 R)
• M16: 9,011,776 km (0.091 R)
• M17: 10,087,833 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.2

Radius: 10.2

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.32 AU - 1.36 AU

Year: 1071 Days

Day: 10.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,294,395 km

• M1: 126,859 km (0.109 R)
• M2: 491,878 km (0.104 R)
• M3: 1,481,318 km (0.086 R)
• M4: 1,988,305 km (0.114 R)
• M5: 3,500,889 km (0.09 R)
• M6: 4,075,644 km (0.066 R)
• M7: 5,167,559 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.7

Radius: 14.5

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.2 AU - 1.48 AU

Year: 1071 Days

Day: 6.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,294,395 km

• M1: 180,565 km (0.051 R)
• M2: 634,893 km (0.045 R)
• M3: 1,165,367 km (0.113 R)
• M4: 1,806,394 km (0.081 R)
• M5: 2,470,160 km (0.084 R)
• M6: 3,144,697 km (0.111 R)
• M7: 3,770,914 km (0.086 R)
• M8: 5,430,403 km (0.119 R)
• M9: 7,128,189 km (0.115 R)
• M10: 10,140,043 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.8

Radius: 15

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.16 AU - 3.3 AU

Year: 3114 Days

Day: 11.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,294,395 km

• M1: 188,643 km (0.066 R)
• M2: 670,348 km (0.111 R)
• M3: 1,354,609 km (0.111 R)
• M4: 1,933,253 km (0.116 R)
• M5: 2,480,781 km (0.06 R)
• M6: 2,984,328 km (0.049 R)
• M7: 3,775,102 km (0.108 R)
• M8: 4,544,335 km (0.057 R)
• M9: 5,029,630 km (0.079 R)
• M10: 5,846,285 km (0.085 R)
• M11: 6,878,959 km (0.093 R)
• M12: 7,466,729 km (0.077 R)
• M13: 8,774,214 km (0.108 R)
• M14: 9,370,362 km (0.106 R)
• M15: 10,574,026 km (0.089 R)
• M16: 11,358,966 km (0.119 R)
• M17: 12,648,350 km (0.119 R)
• M18: 14,287,943 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.5

Radius: 10.1

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.86 AU - 3.18 AU

Year: 3623 Days

Day: 12.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 24,294,395 km

• M1: 125,662 km (0.081 R)
• M2: 456,722 km (0.049 R)
• M3: 1,009,486 km (0.106 R)
• M4: 1,460,075 km (0.113 R)
• M5: 2,434,705 km (0.111 R)
• M6: 3,295,192 km (0.094 R)
• M7: 3,610,096 km (0.072 R)
• M8: 4,416,279 km (0.081 R)
• M9: 4,775,613 km (0.066 R)
• M10: 5,915,848 km (0.104 R)
• M11: 6,565,252 km (0.118 R)
• M12: 8,469,483 km (0.113 R)
• M13: 11,191,716 km (0.049 R)
• M14: 11,954,216 km (0.081 R)
• M15: 13,582,439 km (0.074 R)
• M16: 13,986,204 km (0.038 R)
• M17: 15,030,547 km (0.04 R)
• M18: 15,517,039 km (0.045 R)
• M19: 16,238,400 km (0.03 R)
• M20: 17,040,095 km (0.113 R)
• M21: 17,928,108 km (0.094 R)
• M22: 18,846,639 km (0.071 R)
• M23: 20,119,717 km (0.059 R)
• M24: 21,653,693 km (0.115 R)
• M25: 22,554,422 km (0.072 R)
• M26: 23,264,114 km (0.077 R)
• M27: 23,624,496 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.2

Radius: 12.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.55 AU - 3.67 AU

Year: 3786 Days

Day: 7.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,294,395 km

• M1: 172,337 km (0.107 R)
• M2: 637,137 km (0.055 R)
• M3: 1,132,755 km (0.051 R)
• M4: 1,629,121 km (0.072 R)
• M5: 2,473,750 km (0.105 R)
• M6: 2,987,469 km (0.106 R)
• M7: 3,975,414 km (0.103 R)
• M8: 5,372,957 km (0.114 R)
• M9: 6,015,630 km (0.094 R)
• M10: 6,589,936 km (0.097 R)
• M11: 7,682,898 km (0.06 R)
• M12: 11,088,493 km (0.118 R)
• M13: 11,777,092 km (0.106 R)
• M14: 16,800,589 km (0.112 R)
• M15: 17,767,290 km (0.099 R)
• M16: 18,951,657 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.3

Radius: 8.1

Gravity: 14.65 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.44 AU - 3.58 AU

Year: 4539 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 24,294,395 km

• M1: 100,679 km (0.098 R)
• M2: 441,763 km (0.08 R)
• M3: 702,063 km (0.071 R)
• M4: 1,185,414 km (0.089 R)
• M5: 1,649,765 km (0.087 R)
• M6: 1,960,480 km (0.067 R)
• M7: 2,278,376 km (0.116 R)
• M8: 2,884,995 km (0.08 R)
• M9: 3,216,354 km (0.088 R)
• M10: 3,705,240 km (0.035 R)
• M11: 4,672,689 km (0.08 R)
• M12: 5,215,281 km (0.062 R)
• M13: 6,107,333 km (0.108 R)
• M14: 6,589,786 km (0.097 R)
• M15: 7,594,336 km (0.069 R)
• M16: 8,578,839 km (0.093 R)
• M17: 9,184,262 km (0.08 R)
• M18: 9,603,435 km (0.076 R)
• M19: 10,211,700 km (0.111 R)
• M20: 13,270,678 km (0.116 R)
• M21: 14,135,204 km (0.025 R)
• M22: 14,750,948 km (0.037 R)
• M23: 15,094,276 km (0.057 R)
• M24: 16,644,259 km (0.103 R)
• M25: 17,141,672 km (0.116 R)
• M26: 17,521,351 km (0.114 R)
• M27: 18,894,361 km (0.086 R)
• M28: 21,050,066 km (0.11 R)
• M29: 21,852,958 km (0.109 R)
• M30: 24,146,293 km (0.12 R)
• M31: 26,092,711 km (0.031 R)
• M32: 27,879,807 km (0.1 R)
• M33: 28,847,705 km (0.095 R)
• M34: 31,318,314 km (0.05 R)
• M35: 31,696,049 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.9

Radius: 14.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.04 AU - 4.56 AU

Year: 5113 Days

Day: 6.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,294,395 km

• M1: 184,903 km (0.088 R)
• M2: 744,249 km (0.081 R)
• M3: 1,673,252 km (0.088 R)
• M4: 2,271,344 km (0.093 R)
• M5: 2,765,017 km (0.045 R)
• M6: 3,821,777 km (0.063 R)
• M7: 4,527,879 km (0.08 R)
• M8: 5,456,134 km (0.092 R)
• M9: 6,083,846 km (0.099 R)
• M10: 6,601,455 km (0.079 R)
• M11: 7,831,149 km (0.12 R)
• M12: 10,059,110 km (0.117 R)
• M13: 10,611,725 km (0.102 R)
• M14: 11,094,926 km (0.118 R)
• M15: 12,536,750 km (0.037 R)
• M16: 13,531,277 km (0.103 R)
• M17: 14,205,515 km (0.077 R)
• M18: 15,286,509 km (0.105 R)
• M19: 17,309,371 km (0.094 R)
• M20: 18,104,334 km (0.058 R)
• M21: 18,859,804 km (0.079 R)
• M22: 19,636,067 km (0.107 R)
• M23: 23,618,213 km (0.114 R)
• M24: 24,141,656 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.7

Radius: 12

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.23 AU - 5.35 AU

Year: 6133 Days

Day: 10.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,294,395 km

• M1: 149,299 km (0.078 R)
• M2: 936,333 km (0.108 R)
• M3: 1,535,921 km (0.063 R)
• M4: 2,234,992 km (0.062 R)
• M5: 2,623,049 km (0.118 R)
• M6: 3,136,768 km (0.09 R)
• M7: 3,925,747 km (0.059 R)
• M8: 4,342,377 km (0.068 R)
• M9: 4,870,308 km (0.112 R)
• M10: 5,294,119 km (0.077 R)
• M11: 6,479,533 km (0.118 R)
• M12: 8,458,413 km (0.12 R)
• M13: 10,717,491 km (0.069 R)
• M14: 11,194,109 km (0.114 R)
• M15: 12,138,970 km (0.101 R)
• M16: 13,517,065 km (0.117 R)
• M17: 15,055,829 km (0.109 R)
• M18: 15,473,207 km (0.096 R)
• M19: 16,519,046 km (0.118 R)
• M20: 16,963,202 km (0.072 R)
• M21: 21,401,771 km (0.04 R)
• M22: 26,733,139 km (0.094 R)
• M23: 33,290,014 km (0.101 R)
• M24: 34,101,583 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.2

Radius: 3.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.39 AU - 8.97 AU

Year: 16149 Days

Day: 24.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,294,395 km

• M1: 51,312 km (0.082 R)
• M2: 355,145 km (0.093 R)
• M3: 4,148,798 km (0.112 R)
• M4: 4,468,189 km (0.105 R)
• M5: 6,285,953 km (0.1 R)
• M6: 6,893,171 km (0.087 R)
• M7: 8,048,216 km (0.08 R)
• M8: 8,799,945 km (0.109 R)
• M9: 13,125,568 km (0.095 R)
• M10: 14,938,544 km (0.07 R)
• M11: 15,632,229 km (0.088 R)
• M12: 16,014,452 km (0.068 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: 344 - 11,401 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit