🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.8

Radius: 14.5

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.44 AU - 0.7 AU

Year: 297 Days

Day: 6.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,772,583 km

• M1: 180,415 km (0.079 R)
• M2: 652,696 km (0.09 R)
• M3: 1,207,255 km (0.059 R)
• M4: 1,771,239 km (0.028 R)
• M5: 2,285,257 km (0.077 R)
• M6: 2,949,621 km (0.062 R)
• M7: 3,705,240 km (0.1 R)
• M8: 4,397,429 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.5

Radius: 9.2

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.84 AU - 1.2 AU

Year: 711 Days

Day: 6.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,772,583 km

• M1: 114,592 km (0.088 R)
• M2: 503,397 km (0.078 R)
• M3: 883,675 km (0.046 R)
• M4: 1,613,563 km (0.058 R)
• M5: 2,314,279 km (0.099 R)
• M6: 3,016,641 km (0.081 R)
• M7: 3,334,985 km (0.036 R)
• M8: 3,964,942 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.5

Radius: 13

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.1 AU - 1.76 AU

Year: 1180 Days

Day: 12.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,772,583 km

• M1: 161,715 km (0.085 R)
• M2: 573,409 km (0.099 R)
• M3: 1,506,600 km (0.112 R)
• M4: 2,410,321 km (0.108 R)
• M5: 2,867,642 km (0.12 R)
• M6: 3,786,621 km (0.104 R)
• M7: 5,293,521 km (0.118 R)
• M8: 6,492,847 km (0.071 R)
• M9: 7,265,819 km (0.095 R)
• M10: 10,478,284 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.9

Radius: 14.8

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.89 AU - 1.89 AU

Year: 1794 Days

Day: 7 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,772,583 km

• M1: 184,454 km (0.09 R)
• M2: 650,003 km (0.093 R)
• M3: 1,216,380 km (0.031 R)
• M4: 1,979,180 km (0.115 R)
• M5: 2,635,615 km (0.109 R)
• M6: 3,606,505 km (0.044 R)
• M7: 4,372,147 km (0.08 R)
• M8: 5,358,147 km (0.079 R)
• M9: 6,435,700 km (0.091 R)
• M10: 7,221,987 km (0.111 R)
• M11: 7,860,471 km (0.108 R)
• M12: 8,379,575 km (0.056 R)
• M13: 10,543,060 km (0.104 R)
• M14: 11,062,164 km (0.114 R)
• M15: 11,559,427 km (0.114 R)
• M16: 12,931,090 km (0.067 R)
• M17: 15,376,417 km (0.107 R)
• M18: 16,045,120 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.7

Radius: 8.7

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.88 AU - 2.24 AU

Year: 2041 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,772,583 km

• M1: 108,608 km (0.057 R)
• M2: 382,522 km (0.033 R)
• M3: 809,773 km (0.094 R)
• M4: 1,105,229 km (0.113 R)
• M5: 1,912,010 km (0.08 R)
• M6: 2,448,917 km (0.05 R)
• M7: 3,640,315 km (0.107 R)
• M8: 4,028,970 km (0.068 R)
• M9: 4,383,966 km (0.096 R)
• M10: 5,818,908 km (0.045 R)
• M11: 7,083,758 km (0.092 R)
• M12: 7,962,197 km (0.07 R)
• M13: 9,413,147 km (0.079 R)
• M14: 11,968,727 km (0.108 R)
• M15: 14,176,642 km (0.086 R)
• M16: 14,493,341 km (0.069 R)
• M17: 15,140,800 km (0.038 R)
• M18: 16,843,823 km (0.087 R)

Asteroid Belt

Center: 2.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.5

Radius: 12.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.71 AU - 3.8 AU

Year: 5013 Days

Day: 14.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,772,583 km

• M1: 155,731 km (0.111 R)
• M2: 548,127 km (0.053 R)
• M3: 1,273,227 km (0.064 R)
• M4: 1,809,386 km (0.118 R)
• M5: 2,612,577 km (0.088 R)
• M6: 3,224,732 km (0.095 R)
• M7: 3,662,754 km (0.086 R)
• M8: 4,188,142 km (0.052 R)
• M9: 5,057,156 km (0.095 R)
• M10: 5,534,972 km (0.04 R)
• M11: 6,387,979 km (0.028 R)
• M12: 7,015,243 km (0.079 R)
• M13: 9,435,586 km (0.102 R)
• M14: 12,069,107 km (0.117 R)
• M15: 12,467,337 km (0.066 R)
• M16: 13,133,347 km (0.081 R)
• M17: 14,987,463 km (0.117 R)
• M18: 15,917,812 km (0.109 R)
• M19: 16,886,458 km (0.094 R)
• M20: 18,151,906 km (0.117 R)
• M21: 18,941,035 km (0.08 R)
• M22: 23,618,362 km (0.093 R)
• M23: 24,242,634 km (0.097 R)
• M24: 29,281,390 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.9

Radius: 12.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.17 AU - 4.23 AU

Year: 5941 Days

Day: 9.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 162.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,772,583 km

• M1: 157,975 km (0.051 R)
• M2: 627,264 km (0.108 R)
• M3: 1,037,910 km (0.119 R)
• M4: 2,529,999 km (0.064 R)
• M5: 3,016,791 km (0.09 R)
• M6: 3,748,175 km (0.106 R)
• M7: 5,092,312 km (0.084 R)
• M8: 6,002,016 km (0.086 R)
• M9: 6,632,422 km (0.045 R)
• M10: 7,053,091 km (0.108 R)
• M11: 7,566,212 km (0.057 R)
• M12: 9,001,603 km (0.119 R)
• M13: 10,470,355 km (0.118 R)
• M14: 12,093,193 km (0.086 R)
• M15: 22,319,554 km (0.114 R)
• M16: 28,879,271 km (0.063 R)
• M17: 33,868,210 km (0.105 R)
• M18: 35,332,175 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.7

Radius: 3.9

Gravity: 61.98 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.82 AU - 9.18 AU

Year: 15619 Days

Day: 22.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,772,583 km

• M1: 51,013 km (0.119 R)
• M2: 221,106 km (0.102 R)
• M3: 376,538 km (0.096 R)
• M4: 648,507 km (0.117 R)
• M5: 822,639 km (0.051 R)
• M6: 2,004,462 km (0.076 R)
• M7: 2,993,753 km (0.101 R)
• M8: 3,652,133 km (0.039 R)
• M9: 3,861,121 km (0.106 R)
• M10: 4,536,406 km (0.105 R)
• M11: 5,871,268 km (0.117 R)
• M12: 6,454,550 km (0.12 R)
• M13: 8,435,226 km (0.06 R)
• M14: 8,642,718 km (0.119 R)
• M15: 8,960,314 km (0.08 R)
• M16: 11,155,214 km (0.082 R)
• M17: 11,981,593 km (0.053 R)
• M18: 12,177,865 km (0.08 R)
• M19: 16,248,573 km (0.081 R)
• M20: 18,762,565 km (0.115 R)
• M21: 20,482,043 km (0.081 R)
• M22: 21,717,123 km (0.107 R)
• M23: 23,304,506 km (0.099 R)
• M24: 24,126,397 km (0.05 R)
• M25: 27,494,293 km (0.099 R)
• M26: 29,586,719 km (0.11 R)
• M27: 30,549,830 km (0.079 R)
• M28: 31,039,165 km (0.095 R)
• M29: 32,159,204 km (0.117 R)
• M30: 32,285,315 km (0.114 R)
• M31: 34,085,276 km (0.091 R)
• M32: 38,306,928 km (0.09 R)
• M33: 40,176,453 km (0.069 R)
• M34: 42,559,697 km (0.097 R)
• M35: 48,097,959 km (0.101 R)
• M36: 54,454,822 km (0.053 R)
• M37: 57,554,340 km (0.096 R)
• M38: 68,593,167 km (0.084 R)
• M39: 70,915,375 km (0.061 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 15,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit