🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.7

Radius: 9

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.43 AU - 0.69 AU

Year: 279 Days

Day: 5.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,419,114 km

• M1: 112,049 km (0.097 R)
• M2: 407,056 km (0.072 R)
• M3: 790,026 km (0.087 R)
• M4: 1,229,545 km (0.119 R)
• M5: 1,736,233 km (0.108 R)
• M6: 2,074,623 km (0.103 R)
• M7: 2,400,747 km (0.073 R)
• M8: 3,042,970 km (0.113 R)
• M9: 3,517,944 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102

Radius: 12.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.17 AU - 1.45 AU

Year: 1000 Days

Day: 12.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,419,114 km

• M1: 152,291 km (0.099 R)
• M2: 533,616 km (0.075 R)
• M3: 1,050,626 km (0.105 R)
• M4: 1,462,469 km (0.05 R)
• M5: 2,145,383 km (0.067 R)
• M6: 2,608,837 km (0.066 R)
• M7: 3,171,924 km (0.08 R)
• M8: 3,777,645 km (0.061 R)
• M9: 4,281,641 km (0.088 R)
• M10: 4,844,877 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.5

Radius: 10

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.13 AU - 1.67 AU

Year: 1105 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 120.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,419,114 km

• M1: 125,363 km (0.108 R)
• M2: 468,391 km (0.052 R)
• M3: 903,571 km (0.049 R)
• M4: 1,216,829 km (0.071 R)
• M5: 1,612,815 km (0.119 R)
• M6: 2,542,715 km (0.099 R)
• M7: 3,348,748 km (0.102 R)
• M8: 4,234,817 km (0.087 R)
• M9: 4,671,792 km (0.109 R)
• M10: 5,194,636 km (0.091 R)
• M11: 5,736,031 km (0.107 R)
• M12: 6,082,949 km (0.059 R)
• M13: 6,931,917 km (0.091 R)
• M14: 7,396,867 km (0.065 R)
• M15: 7,808,410 km (0.084 R)
• M16: 8,312,256 km (0.102 R)
• M17: 8,891,200 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.8

Radius: 9.6

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.17 AU - 2.61 AU

Year: 2464 Days

Day: 9.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,419,114 km

• M1: 119,379 km (0.026 R)
• M2: 575,503 km (0.079 R)
• M3: 890,556 km (0.068 R)
• M4: 1,230,891 km (0.112 R)
• M5: 2,073,875 km (0.066 R)
• M6: 2,971,762 km (0.105 R)
• M7: 3,396,470 km (0.111 R)
• M8: 3,993,814 km (0.096 R)
• M9: 4,638,282 km (0.081 R)
• M10: 5,211,691 km (0.102 R)
• M11: 5,635,801 km (0.055 R)
• M12: 7,247,269 km (0.057 R)
• M13: 7,836,834 km (0.095 R)
• M14: 8,426,250 km (0.074 R)
• M15: 9,011,626 km (0.103 R)
• M16: 9,693,643 km (0.033 R)
• M17: 11,314,985 km (0.107 R)
• M18: 12,271,813 km (0.081 R)
• M19: 13,806,836 km (0.108 R)
• M20: 14,437,092 km (0.117 R)
• M21: 14,805,851 km (0.073 R)
• M22: 15,706,729 km (0.083 R)
• M23: 16,543,281 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.7

Radius: 9.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.22 AU - 3.2 AU

Year: 2975 Days

Day: 7.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,419,114 km

• M1: 128,654 km (0.119 R)
• M2: 428,747 km (0.102 R)
• M3: 750,383 km (0.103 R)
• M4: 1,169,556 km (0.087 R)
• M5: 1,878,949 km (0.051 R)
• M6: 2,399,849 km (0.105 R)
• M7: 2,737,192 km (0.067 R)
• M8: 3,262,730 km (0.073 R)
• M9: 3,643,905 km (0.089 R)
• M10: 4,636,487 km (0.117 R)
• M11: 6,336,218 km (0.026 R)
• M12: 7,764,279 km (0.027 R)
• M13: 10,987,216 km (0.036 R)
• M14: 11,430,325 km (0.106 R)
• M15: 13,406,512 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.1

Radius: 10.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.83 AU - 3.95 AU

Year: 5116 Days

Day: 6.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,419,114 km

• M1: 128,056 km (0.084 R)
• M2: 594,801 km (0.053 R)
• M3: 1,061,546 km (0.088 R)
• M4: 1,790,238 km (0.099 R)
• M5: 2,556,777 km (0.057 R)
• M6: 3,567,012 km (0.102 R)
• M7: 4,638,432 km (0.081 R)
• M8: 6,299,417 km (0.065 R)
• M9: 6,882,100 km (0.119 R)
• M10: 8,021,438 km (0.079 R)
• M11: 10,153,955 km (0.06 R)
• M12: 10,832,831 km (0.115 R)
• M13: 12,549,317 km (0.105 R)
• M14: 13,144,417 km (0.102 R)
• M15: 15,350,387 km (0.077 R)
• M16: 15,766,868 km (0.097 R)
• M17: 16,514,109 km (0.075 R)
• M18: 18,136,647 km (0.112 R)
• M19: 19,618,414 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.5

Radius: 6

Gravity: 19.68 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.33 AU - 6.37 AU

Year: 10671 Days

Day: 18.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,419,114 km

• M1: 74,799 km (0.099 R)
• M2: 322,982 km (0.102 R)
• M3: 569,968 km (0.084 R)
• M4: 1,244,654 km (0.056 R)
• M5: 1,957,937 km (0.076 R)
• M6: 2,782,969 km (0.06 R)
• M7: 3,213,362 km (0.115 R)
• M8: 3,432,224 km (0.032 R)
• M9: 3,927,393 km (0.104 R)
• M10: 6,430,614 km (0.111 R)
• M11: 8,301,784 km (0.107 R)
• M12: 10,297,719 km (0.053 R)
• M13: 11,378,713 km (0.108 R)
• M14: 15,619,214 km (0.073 R)
• M15: 16,037,490 km (0.098 R)
• M16: 17,262,996 km (0.116 R)
• M17: 20,473,366 km (0.083 R)
• M18: 20,722,746 km (0.026 R)
• M19: 22,000,461 km (0.093 R)
• M20: 29,500,401 km (0.089 R)
• M21: 29,712,381 km (0.067 R)
• M22: 48,084,346 km (0.104 R)
• M23: 49,864,261 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.9

Radius: 5.1

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.4 AU - 9.32 AU

Year: 17587 Days

Day: 19 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,419,114 km

• M1: 63,729 km (0.104 R)
• M2: 347,067 km (0.078 R)
• M3: 600,187 km (0.064 R)
• M4: 765,492 km (0.112 R)
• M5: 942,467 km (0.089 R)
• M6: 1,213,837 km (0.098 R)
• M7: 2,279,423 km (0.055 R)
• M8: 3,658,865 km (0.106 R)
• M9: 5,452,992 km (0.064 R)
• M10: 5,646,721 km (0.114 R)
• M11: 6,150,866 km (0.087 R)
• M12: 13,886,722 km (0.106 R)
• M13: 18,943,728 km (0.095 R)
• M14: 20,453,320 km (0.087 R)
• M15: 24,838,632 km (0.047 R)
• M16: 26,551,976 km (0.079 R)
• M17: 29,316,246 km (0.114 R)
• M18: 36,881,410 km (0.025 R)
• M19: 40,434,509 km (0.07 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: 297 - 18,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit