🌌 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: 594.7

Radius: 14.5

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.8 AU - 0.98 AU

Year: 569 Days

Day: 10.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,294,587 km

• M1: 184,155 km (0.037 R)
• M2: 675,434 km (0.096 R)
• M3: 1,172,249 km (0.119 R)
• M4: 1,812,079 km (0.05 R)
• M5: 2,279,423 km (0.11 R)
• M6: 2,817,676 km (0.118 R)
• M7: 3,465,584 km (0.114 R)
• M8: 4,002,042 km (0.062 R)
• M9: 4,762,448 km (0.119 R)
• M10: 5,882,487 km (0.094 R)
• M11: 6,495,540 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 8.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.17 AU - 1.39 AU

Year: 982 Days

Day: 8.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,294,587 km

• M1: 106,962 km (0.106 R)
• M2: 381,325 km (0.099 R)
• M3: 714,330 km (0.08 R)
• M4: 1,086,679 km (0.077 R)
• M5: 1,363,435 km (0.116 R)
• M6: 1,632,861 km (0.113 R)
• M7: 2,045,452 km (0.109 R)
• M8: 3,342,764 km (0.094 R)
• M9: 3,632,685 km (0.081 R)
• M10: 5,084,233 km (0.035 R)
• M11: 6,762,721 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.2

Radius: 9.4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.09 AU - 1.47 AU

Year: 982 Days

Day: 9.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,294,587 km

• M1: 116,986 km (0.106 R)
• M2: 423,212 km (0.053 R)
• M3: 733,927 km (0.106 R)
• M4: 1,136,495 km (0.053 R)
• M5: 1,669,363 km (0.05 R)
• M6: 2,428,721 km (0.101 R)
• M7: 2,784,465 km (0.038 R)
• M8: 3,151,878 km (0.095 R)
• M9: 3,836,437 km (0.058 R)
• M10: 4,150,892 km (0.064 R)
• M11: 4,601,930 km (0.07 R)
• M12: 5,101,587 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.1

Radius: 9.7

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.27 AU - 1.49 AU

Year: 1100 Days

Day: 6.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,294,587 km

• M1: 121,025 km (0.039 R)
• M2: 438,023 km (0.105 R)
• M3: 742,753 km (0.07 R)
• M4: 1,097,749 km (0.101 R)
• M5: 1,476,232 km (0.089 R)
• M6: 2,526,409 km (0.099 R)
• M7: 2,925,985 km (0.066 R)
• M8: 3,267,217 km (0.034 R)
• M9: 3,696,414 km (0.064 R)
• M10: 4,578,443 km (0.064 R)
• M11: 6,592,928 km (0.095 R)
• M12: 7,256,394 km (0.108 R)
• M13: 7,705,786 km (0.027 R)
• M14: 8,280,392 km (0.085 R)
• M15: 9,166,759 km (0.114 R)
• M16: 10,299,963 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.3

Radius: 9.7

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.76 AU - 2.36 AU

Year: 2005 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,294,587 km

• M1: 120,576 km (0.065 R)
• M2: 459,415 km (0.066 R)
• M3: 1,255,874 km (0.078 R)
• M4: 1,564,794 km (0.051 R)
• M5: 2,367,386 km (0.1 R)
• M6: 3,321,671 km (0.092 R)
• M7: 3,685,344 km (0.109 R)
• M8: 4,961,413 km (0.107 R)
• M9: 5,391,507 km (0.058 R)
• M10: 5,724,363 km (0.092 R)
• M11: 6,096,263 km (0.119 R)
• M12: 6,590,235 km (0.058 R)
• M13: 7,629,192 km (0.085 R)
• M14: 9,887,970 km (0.1 R)
• M15: 10,460,930 km (0.096 R)
• M16: 11,400,405 km (0.114 R)
• M17: 12,934,830 km (0.118 R)
• M18: 13,403,520 km (0.071 R)
• M19: 13,795,467 km (0.108 R)
• M20: 14,284,951 km (0.063 R)
• M21: 14,602,398 km (0.03 R)
• M22: 15,251,353 km (0.098 R)
• M23: 15,871,137 km (0.08 R)
• M24: 16,958,115 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722

Radius: 10.5

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.99 AU - 2.61 AU

Year: 2366 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,294,587 km

• M1: 131,646 km (0.1 R)
• M2: 555,008 km (0.047 R)
• M3: 945,608 km (0.07 R)
• M4: 1,334,263 km (0.103 R)
• M5: 1,945,969 km (0.11 R)
• M6: 2,377,858 km (0.045 R)
• M7: 3,802,179 km (0.106 R)
• M8: 4,482,850 km (0.115 R)
• M9: 5,579,552 km (0.118 R)
• M10: 6,112,270 km (0.111 R)
• M11: 6,513,342 km (0.104 R)
• M12: 8,200,357 km (0.04 R)
• M13: 8,722,304 km (0.093 R)
• M14: 9,796,417 km (0.1 R)
• M15: 10,346,937 km (0.084 R)
• M16: 15,276,336 km (0.119 R)
• M17: 17,892,354 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.2

Radius: 8

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.01 AU - 3.35 AU

Year: 2976 Days

Day: 6.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,294,587 km

• M1: 101,427 km (0.087 R)
• M2: 412,741 km (0.107 R)
• M3: 667,805 km (0.076 R)
• M4: 941,419 km (0.047 R)
• M5: 1,245,253 km (0.087 R)
• M6: 1,614,610 km (0.106 R)
• M7: 1,954,197 km (0.063 R)
• M8: 2,858,666 km (0.084 R)
• M9: 3,144,996 km (0.093 R)
• M10: 3,487,725 km (0.108 R)
• M11: 3,895,529 km (0.054 R)
• M12: 5,067,179 km (0.031 R)
• M13: 5,412,451 km (0.065 R)
• M14: 6,316,920 km (0.12 R)
• M15: 7,760,390 km (0.087 R)
• M16: 8,086,812 km (0.06 R)
• M17: 9,448,302 km (0.101 R)
• M18: 11,619,267 km (0.066 R)
• M19: 12,264,632 km (0.1 R)
• M20: 12,888,455 km (0.088 R)
• M21: 13,208,146 km (0.114 R)
• M22: 14,150,911 km (0.085 R)
• M23: 14,491,097 km (0.061 R)
• M24: 17,192,834 km (0.097 R)
• M25: 17,748,441 km (0.116 R)
• M26: 18,144,427 km (0.042 R)

Asteroid Belt

Center: 5.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.8

Radius: 3.4

Gravity: 54.65 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.92 AU - 9.62 AU

Year: 14690 Days

Day: 24.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,294,587 km

• M1: 45,328 km (0.09 R)
• M2: 226,042 km (0.077 R)
• M3: 436,227 km (0.097 R)
• M4: 641,027 km (0.032 R)
• M5: 1,101,340 km (0.115 R)
• M6: 2,207,616 km (0.12 R)
• M7: 4,225,392 km (0.065 R)
• M8: 4,442,758 km (0.118 R)
• M9: 5,280,506 km (0.105 R)
• M10: 5,532,728 km (0.11 R)
• M11: 5,830,876 km (0.1 R)
• M12: 7,305,911 km (0.118 R)
• M13: 8,034,752 km (0.086 R)
• M14: 8,860,981 km (0.115 R)
• M15: 9,063,387 km (0.103 R)
• M16: 10,510,597 km (0.034 R)
• M17: 11,025,363 km (0.065 R)
• M18: 12,104,861 km (0.116 R)
• M19: 12,354,091 km (0.103 R)
• M20: 14,057,413 km (0.112 R)
• M21: 21,244,842 km (0.111 R)
• M22: 22,908,221 km (0.109 R)
• M23: 31,123,388 km (0.085 R)
• M24: 33,263,535 km (0.107 R)
• M25: 33,385,158 km (0.113 R)
• M26: 37,701,506 km (0.085 R)
• M27: 48,039,167 km (0.088 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 16,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit