🌌 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: 12.4

Radius: 9.6

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.56 AU - 0.58 AU

Year: 292 Days

Day: 8.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 39,588,907 km

• M1: 119,379 km (0.095 R)
• M2: 511,924 km (0.1 R)
• M3: 848,669 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.7

Radius: 9.6

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.17 AU - 1.85 AU

Year: 1259 Days

Day: 14.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,588,907 km

• M1: 119,379 km (0.104 R)
• M2: 434,731 km (0.1 R)
• M3: 774,468 km (0.094 R)
• M4: 1,193,941 km (0.079 R)
• M5: 1,825,842 km (0.12 R)
• M6: 2,125,187 km (0.09 R)
• M7: 2,502,922 km (0.084 R)
• M8: 3,134,375 km (0.119 R)
• M9: 3,715,862 km (0.106 R)
• M10: 4,469,386 km (0.09 R)
• M11: 5,398,688 km (0.11 R)
• M12: 6,321,258 km (0.034 R)
• M13: 7,636,373 km (0.077 R)
• M14: 8,529,323 km (0.107 R)
• M15: 9,320,695 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.9

Radius: 8.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.53 AU - 1.71 AU

Year: 1399 Days

Day: 9.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,588,907 km

• M1: 106,962 km (0.076 R)
• M2: 382,821 km (0.076 R)
• M3: 661,522 km (0.105 R)
• M4: 953,238 km (0.102 R)
• M5: 1,522,607 km (0.098 R)
• M6: 2,156,753 km (0.027 R)
• M7: 2,512,047 km (0.113 R)
• M8: 3,085,755 km (0.12 R)
• M9: 3,410,831 km (0.038 R)
• M10: 3,684,446 km (0.079 R)
• M11: 4,292,561 km (0.03 R)
• M12: 5,414,097 km (0.084 R)
• M13: 7,773,405 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.4

Radius: 10.9

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.91 AU - 1.95 AU

Year: 1819 Days

Day: 11 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,588,907 km

• M1: 135,536 km (0.098 R)
• M2: 486,791 km (0.069 R)
• M3: 831,465 km (0.075 R)
• M4: 1,831,976 km (0.061 R)
• M5: 2,177,547 km (0.077 R)
• M6: 2,861,658 km (0.06 R)
• M7: 3,224,433 km (0.112 R)
• M8: 3,784,228 km (0.038 R)
• M9: 4,204,897 km (0.102 R)
• M10: 4,814,359 km (0.099 R)
• M11: 5,373,556 km (0.11 R)
• M12: 5,792,729 km (0.099 R)
• M13: 6,572,882 km (0.105 R)
• M14: 7,803,025 km (0.103 R)
• M15: 8,197,515 km (0.086 R)
• M16: 8,874,744 km (0.094 R)
• M17: 10,991,404 km (0.065 R)
• M18: 11,596,378 km (0.062 R)
• M19: 12,756,510 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732

Radius: 6.8

Gravity: 15.83 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.43 AU - 7.08 AU

Year: 10598 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,588,907 km

• M1: 84,523 km (0.082 R)
• M2: 796,459 km (0.097 R)
• M3: 1,165,367 km (0.117 R)
• M4: 1,846,487 km (0.084 R)
• M5: 2,379,055 km (0.093 R)
• M6: 3,339,174 km (0.104 R)
• M7: 3,666,943 km (0.05 R)
• M8: 4,446,198 km (0.088 R)
• M9: 4,970,240 km (0.085 R)
• M10: 5,569,230 km (0.083 R)
• M11: 6,289,992 km (0.112 R)
• M12: 6,595,172 km (0.043 R)
• M13: 10,213,495 km (0.1 R)
• M14: 11,856,080 km (0.1 R)
• M15: 12,322,227 km (0.115 R)
• M16: 13,105,671 km (0.116 R)
• M17: 27,411,865 km (0.089 R)
• M18: 38,533,270 km (0.116 R)
• M19: 40,594,878 km (0.089 R)
• M20: 42,458,120 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.2

Radius: 5.8

Gravity: 27.77 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.45 AU - 8.01 AU

Year: 14577 Days

Day: 18.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 39,588,907 km

• M1: 72,106 km (0.119 R)
• M2: 555,307 km (0.106 R)
• M3: 839,394 km (0.079 R)
• M4: 1,126,023 km (0.085 R)
• M5: 1,538,764 km (0.074 R)
• M6: 1,989,951 km (0.075 R)
• M7: 2,525,362 km (0.084 R)
• M8: 3,310,451 km (0.065 R)
• M9: 5,129,711 km (0.116 R)
• M10: 6,334,273 km (0.096 R)
• M11: 8,301,784 km (0.072 R)
• M12: 8,811,763 km (0.113 R)
• M13: 10,643,290 km (0.103 R)
• M14: 11,367,942 km (0.118 R)
• M15: 12,384,609 km (0.098 R)
• M16: 12,914,934 km (0.119 R)
• M17: 17,304,734 km (0.105 R)
• M18: 17,967,452 km (0.085 R)
• M19: 22,988,854 km (0.052 R)
• M20: 23,187,221 km (0.054 R)
• M21: 24,815,893 km (0.117 R)
• M22: 25,129,600 km (0.056 R)
• M23: 25,445,850 km (0.116 R)
• M24: 26,957,088 km (0.092 R)
• M25: 31,971,608 km (0.119 R)
• M26: 33,094,490 km (0.038 R)
• M27: 37,299,686 km (0.068 R)
• M28: 38,964,261 km (0.1 R)
• M29: 41,995,413 km (0.05 R)
• M30: 43,796,123 km (0.113 R)
• M31: 48,848,642 km (0.111 R)
• M32: 49,671,579 km (0.115 R)
• M33: 54,804,582 km (0.083 R)
• M34: 56,771,943 km (0.088 R)
• M35: 57,134,718 km (0.088 R)
• M36: 58,416,173 km (0.026 R)
• M37: 59,529,929 km (0.1 R)
• M38: 60,091,969 km (0.119 R)
• M39: 62,375,730 km (0.117 R)
• M40: 63,930,052 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.2

Radius: 6.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.23 AU - 10.59 AU

Year: 21159 Days

Day: 19.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,588,907 km

• M1: 83,476 km (0.057 R)
• M2: 1,306,438 km (0.085 R)
• M3: 1,719,777 km (0.081 R)
• M4: 3,224,283 km (0.108 R)
• M5: 10,150,964 km (0.083 R)
• M6: 15,451,665 km (0.082 R)
• M7: 17,085,274 km (0.052 R)
• M8: 18,686,868 km (0.097 R)
• M9: 22,509,244 km (0.112 R)
• M10: 24,775,352 km (0.058 R)
• M11: 25,036,251 km (0.118 R)
• M12: 25,475,021 km (0.117 R)
• M13: 26,458,328 km (0.114 R)
• M14: 36,027,655 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 11,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit