🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921

Radius: 14.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.76 AU - 0.78 AU

Year: 443 Days

Day: 8.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,274,160 km

• M1: 184,005 km (0.097 R)
• M2: 1,003,951 km (0.069 R)
• M3: 1,568,534 km (0.097 R)
• M4: 2,880,058 km (0.1 R)
• M5: 3,420,855 km (0.119 R)
• M6: 4,154,183 km (0.084 R)
• M7: 4,710,089 km (0.116 R)
• M8: 5,382,382 km (0.102 R)
• M9: 6,081,602 km (0.099 R)
• M10: 6,549,096 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.5

Radius: 9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.75 AU - 0.79 AU

Year: 443 Days

Day: 14.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,274,160 km

• M1: 111,899 km (0.089 R)
• M2: 396,285 km (0.088 R)
• M3: 829,371 km (0.097 R)
• M4: 1,261,260 km (0.089 R)
• M5: 1,598,154 km (0.107 R)
• M6: 2,820,069 km (0.09 R)
• M7: 3,348,449 km (0.065 R)
• M8: 3,712,870 km (0.065 R)
• M9: 4,727,143 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.6

Radius: 8.9

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.3 AU - 1.92 AU

Year: 1340 Days

Day: 6.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,274,160 km

• M1: 110,702 km (0.085 R)
• M2: 987,047 km (0.075 R)
• M3: 1,430,604 km (0.111 R)
• M4: 2,168,421 km (0.064 R)
• M5: 3,197,505 km (0.083 R)
• M6: 3,569,405 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.3

Radius: 14

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.7 AU - 2.82 AU

Year: 2229 Days

Day: 10.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,274,160 km

• M1: 240,853 km (0.049 R)
• M2: 810,671 km (0.088 R)
• M3: 1,260,362 km (0.069 R)
• M4: 2,026,602 km (0.106 R)
• M5: 2,989,863 km (0.11 R)
• M6: 3,801,880 km (0.056 R)
• M7: 5,511,036 km (0.051 R)
• M8: 5,969,703 km (0.078 R)
• M9: 6,481,477 km (0.119 R)
• M10: 9,860,594 km (0.076 R)
• M11: 12,721,953 km (0.094 R)
• M12: 15,489,214 km (0.082 R)
• M13: 17,743,654 km (0.089 R)
• M14: 19,970,717 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287

Radius: 11.8

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.97 AU - 4.15 AU

Year: 4406 Days

Day: 13.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,274,160 km

• M1: 147,354 km (0.114 R)
• M2: 585,077 km (0.119 R)
• M3: 1,038,508 km (0.118 R)
• M4: 1,506,600 km (0.101 R)
• M5: 2,678,400 km (0.033 R)
• M6: 3,905,851 km (0.109 R)
• M7: 4,339,236 km (0.101 R)
• M8: 4,920,274 km (0.065 R)
• M9: 6,631,075 km (0.071 R)
• M10: 9,021,948 km (0.105 R)
• M11: 9,635,150 km (0.065 R)
• M12: 10,314,474 km (0.115 R)
• M13: 10,824,752 km (0.071 R)
• M14: 11,475,802 km (0.109 R)
• M15: 12,109,648 km (0.091 R)
• M16: 14,009,541 km (0.088 R)
• M17: 15,230,709 km (0.108 R)
• M18: 17,996,025 km (0.081 R)
• M19: 18,449,307 km (0.117 R)
• M20: 20,461,398 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.7

Radius: 9.1

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.47 AU - 5.61 AU

Year: 7423 Days

Day: 9.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,274,160 km

• M1: 113,545 km (0.045 R)
• M2: 636,988 km (0.117 R)
• M3: 1,033,721 km (0.093 R)
• M4: 1,378,544 km (0.089 R)
• M5: 1,673,402 km (0.1 R)
• M6: 2,519,827 km (0.09 R)
• M7: 2,844,903 km (0.087 R)
• M8: 3,198,103 km (0.119 R)
• M9: 3,722,593 km (0.103 R)
• M10: 6,482,674 km (0.069 R)
• M11: 8,112,393 km (0.096 R)
• M12: 9,355,252 km (0.049 R)
• M13: 10,140,492 km (0.091 R)
• M14: 11,841,719 km (0.07 R)
• M15: 16,448,735 km (0.107 R)
• M16: 17,182,063 km (0.06 R)
• M17: 21,413,589 km (0.113 R)
• M18: 21,967,251 km (0.085 R)
• M19: 23,268,453 km (0.118 R)
• M20: 23,853,530 km (0.117 R)
• M21: 24,362,761 km (0.072 R)
• M22: 24,879,323 km (0.104 R)
• M23: 25,403,214 km (0.109 R)
• M24: 26,202,665 km (0.11 R)
• M25: 26,836,063 km (0.06 R)
• M26: 32,275,741 km (0.097 R)
• M27: 33,213,570 km (0.082 R)
• M28: 34,062,238 km (0.059 R)
• M29: 35,034,176 km (0.115 R)
• M30: 36,024,514 km (0.07 R)
• M31: 36,695,011 km (0.057 R)
• M32: 38,407,757 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.8

Radius: 3.9

Gravity: 53.18 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.02 AU - 11.22 AU

Year: 19574 Days

Day: 23.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 173.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,274,160 km

• M1: 48,619 km (0.08 R)
• M2: 178,620 km (0.114 R)
• M3: 437,723 km (0.094 R)
• M4: 626,965 km (0.11 R)
• M5: 1,316,312 km (0.118 R)
• M6: 1,556,566 km (0.108 R)
• M7: 1,806,394 km (0.092 R)
• M8: 2,477,939 km (0.1 R)
• M9: 2,895,616 km (0.034 R)
• M10: 10,557,870 km (0.044 R)
• M11: 12,454,472 km (0.092 R)
• M12: 15,586,453 km (0.081 R)
• M13: 19,670,624 km (0.066 R)
• M14: 22,007,343 km (0.079 R)
• M15: 25,290,717 km (0.099 R)
• M16: 29,251,171 km (0.068 R)
• M17: 34,964,164 km (0.071 R)
• M18: 37,789,918 km (0.094 R)
• M19: 39,556,519 km (0.101 R)
• M20: 43,571,427 km (0.055 R)
• M21: 46,338,240 km (0.088 R)
• M22: 51,680,978 km (0.07 R)
• M23: 65,224,073 km (0.093 R)
• M24: 78,327,201 km (0.087 R)
• M25: 79,274,156 km (0.103 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 15,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit