🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.2

Radius: 12.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.46 AU - 0.7 AU

Year: 305 Days

Day: 9.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,872,469 km

• M1: 159,322 km (0.094 R)
• M2: 682,615 km (0.049 R)
• M3: 1,561,802 km (0.088 R)
• M4: 2,062,207 km (0.09 R)
• M5: 2,761,277 km (0.115 R)
• M6: 3,329,151 km (0.083 R)
• M7: 3,808,463 km (0.11 R)
• M8: 4,359,282 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.5

Radius: 14.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.63 AU - 0.79 AU

Year: 413 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,872,469 km

• M1: 183,557 km (0.054 R)
• M2: 671,844 km (0.111 R)
• M3: 1,436,140 km (0.112 R)
• M4: 2,053,081 km (0.112 R)
• M5: 2,636,513 km (0.103 R)
• M6: 3,107,896 km (0.112 R)
• M7: 4,684,807 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.5

Radius: 14.1

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.66 AU - 0.94 AU

Year: 494 Days

Day: 14.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,872,469 km

• M1: 175,329 km (0.082 R)
• M2: 655,388 km (0.088 R)
• M3: 1,191,547 km (0.032 R)
• M4: 1,698,534 km (0.12 R)
• M5: 2,197,294 km (0.092 R)
• M6: 3,133,178 km (0.091 R)
• M7: 4,056,047 km (0.085 R)
• M8: 5,105,476 km (0.036 R)
• M9: 5,685,766 km (0.107 R)
• M10: 6,127,230 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.9

Radius: 13.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.63 AU - 0.99 AU

Year: 503 Days

Day: 9.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,872,469 km

• M1: 167,849 km (0.117 R)
• M2: 603,179 km (0.106 R)
• M3: 1,060,799 km (0.106 R)
• M4: 1,840,951 km (0.076 R)
• M5: 2,278,525 km (0.095 R)
• M6: 2,727,468 km (0.03 R)
• M7: 3,473,064 km (0.096 R)
• M8: 3,932,479 km (0.1 R)
• M9: 4,901,425 km (0.103 R)
• M10: 5,325,086 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.2

Radius: 13.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.09 AU - 1.37 AU

Year: 942 Days

Day: 12 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,872,469 km

• M1: 169,195 km (0.112 R)
• M2: 672,592 km (0.054 R)
• M3: 1,116,299 km (0.116 R)
• M4: 1,550,582 km (0.069 R)
• M5: 2,222,426 km (0.099 R)
• M6: 2,822,313 km (0.077 R)
• M7: 3,312,396 km (0.109 R)
• M8: 4,045,874 km (0.078 R)
• M9: 4,524,588 km (0.085 R)
• M10: 5,152,599 km (0.116 R)
• M11: 6,121,694 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.8

Radius: 14.6

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.74 AU - 4.76 AU

Year: 7146 Days

Day: 6.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,872,469 km

• M1: 201,359 km (0.096 R)
• M2: 748,737 km (0.04 R)
• M3: 1,883,138 km (0.118 R)
• M4: 3,013,649 km (0.118 R)
• M5: 3,538,289 km (0.119 R)
• M6: 4,558,696 km (0.069 R)
• M7: 5,283,647 km (0.116 R)
• M8: 7,289,605 km (0.105 R)
• M9: 9,366,173 km (0.044 R)
• M10: 11,018,482 km (0.045 R)
• M11: 21,064,876 km (0.118 R)
• M12: 21,594,453 km (0.078 R)
• M13: 23,721,136 km (0.036 R)
• M14: 24,377,272 km (0.097 R)
• M15: 26,418,535 km (0.099 R)
• M16: 28,663,700 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.1

Radius: 3.1

Gravity: 40.7 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.75 AU - 9.01 AU

Year: 15269 Days

Day: 19.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 45,872,469 km

• M1: 41,439 km (0.08 R)
• M2: 151,692 km (0.069 R)
• M3: 270,922 km (0.115 R)
• M4: 377,585 km (0.039 R)
• M5: 492,476 km (0.034 R)
• M6: 1,019,061 km (0.104 R)
• M7: 1,122,433 km (0.12 R)
• M8: 2,456,098 km (0.107 R)
• M9: 2,600,609 km (0.057 R)
• M10: 2,707,422 km (0.071 R)
• M11: 2,861,807 km (0.119 R)
• M12: 3,236,700 km (0.089 R)
• M13: 3,538,588 km (0.108 R)
• M14: 3,914,378 km (0.052 R)
• M15: 5,685,317 km (0.068 R)
• M16: 6,783,964 km (0.094 R)
• M17: 7,404,347 km (0.102 R)
• M18: 7,971,771 km (0.068 R)
• M19: 8,567,620 km (0.059 R)
• M20: 9,391,006 km (0.07 R)
• M21: 10,265,555 km (0.063 R)
• M22: 11,025,513 km (0.077 R)
• M23: 11,362,407 km (0.105 R)
• M24: 12,474,518 km (0.054 R)
• M25: 17,726,151 km (0.099 R)
• M26: 18,110,617 km (0.12 R)
• M27: 20,959,260 km (0.044 R)
• M28: 22,534,226 km (0.101 R)
• M29: 22,714,043 km (0.119 R)
• M30: 25,234,767 km (0.029 R)
• M31: 25,331,557 km (0.074 R)
• M32: 26,412,551 km (0.116 R)
• M33: 30,274,121 km (0.063 R)
• M34: 31,828,144 km (0.101 R)
• M35: 34,495,324 km (0.079 R)
• M36: 35,700,036 km (0.091 R)
• M37: 44,785,713 km (0.112 R)
• M38: 50,391,444 km (0.115 R)
• M39: 50,698,718 km (0.118 R)
• M40: 50,852,804 km (0.076 R)
• M41: 52,097,309 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.3

Radius: 5.1

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.51 AU - 9.93 AU

Year: 17774 Days

Day: 20.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,872,469 km

• M1: 98,136 km (0.087 R)
• M2: 1,265,000 km (0.087 R)
• M3: 1,706,762 km (0.056 R)
• M4: 3,455,860 km (0.101 R)
• M5: 4,118,878 km (0.069 R)
• M6: 5,267,341 km (0.114 R)
• M7: 7,267,764 km (0.117 R)
• M8: 7,963,244 km (0.097 R)
• M9: 13,750,737 km (0.112 R)
• M10: 14,683,629 km (0.085 R)
• M11: 15,459,893 km (0.089 R)
• M12: 21,427,950 km (0.104 R)
• M13: 31,332,376 km (0.087 R)
• M14: 32,832,993 km (0.084 R)
• M15: 37,146,647 km (0.038 R)
• M16: 42,725,152 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.3

Radius: 3

Gravity: 14.92 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.82 AU - 11.76 AU

Year: 21144 Days

Day: 16 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,872,469 km

• M1: 40,092 km (0.076 R)
• M2: 140,323 km (0.104 R)
• M3: 239,506 km (0.089 R)
• M4: 833,709 km (0.067 R)
• M5: 1,525,150 km (0.099 R)
• M6: 2,321,609 km (0.119 R)
• M7: 5,630,265 km (0.1 R)
• M8: 7,915,373 km (0.114 R)
• M9: 8,615,341 km (0.083 R)
• M10: 9,643,677 km (0.068 R)
• M11: 10,086,936 km (0.091 R)
• M12: 12,109,200 km (0.082 R)
• M13: 16,442,152 km (0.113 R)
• M14: 30,954,343 km (0.099 R)
• M15: 31,060,258 km (0.105 R)
• M16: 31,700,537 km (0.103 R)
• M17: 33,674,331 km (0.108 R)
• M18: 37,024,127 km (0.049 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 18,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit