🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.6

Radius: 12.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.72 AU - 0.92 AU

Year: 522 Days

Day: 13.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,827,840 km

• M1: 159,471 km (0.086 R)
• M2: 703,110 km (0.092 R)
• M3: 1,499,120 km (0.098 R)
• M4: 1,950,008 km (0.06 R)
• M5: 2,359,158 km (0.038 R)
• M6: 2,868,838 km (0.072 R)
• M7: 3,830,902 km (0.049 R)
• M8: 5,898,046 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.7

Radius: 10.1

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.21 AU - 3.51 AU

Year: 3400 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,827,840 km

• M1: 128,804 km (0.088 R)
• M2: 462,407 km (0.099 R)
• M3: 2,026,303 km (0.042 R)
• M4: 2,534,637 km (0.102 R)
• M5: 3,248,967 km (0.042 R)
• M6: 4,352,700 km (0.12 R)
• M7: 6,135,308 km (0.107 R)
• M8: 7,667,938 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.2

Radius: 10.5

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.52 AU - 5.16 AU

Year: 6355 Days

Day: 8.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,827,840 km

• M1: 130,749 km (0.105 R)
• M2: 471,383 km (0.103 R)
• M3: 846,574 km (0.095 R)
• M4: 1,659,190 km (0.085 R)
• M5: 1,998,777 km (0.096 R)
• M6: 2,448,917 km (0.026 R)
• M7: 4,081,329 km (0.109 R)
• M8: 5,976,734 km (0.03 R)
• M9: 6,917,854 km (0.084 R)
• M10: 7,458,800 km (0.096 R)
• M11: 7,847,007 km (0.049 R)
• M12: 8,587,217 km (0.109 R)
• M13: 9,132,651 km (0.106 R)
• M14: 10,466,316 km (0.075 R)
• M15: 10,998,585 km (0.058 R)
• M16: 14,362,443 km (0.083 R)
• M17: 15,755,049 km (0.107 R)
• M18: 16,160,609 km (0.097 R)
• M19: 17,790,628 km (0.094 R)
• M20: 18,421,183 km (0.111 R)
• M21: 22,087,527 km (0.085 R)
• M22: 25,176,873 km (0.065 R)
• M23: 26,701,724 km (0.062 R)
• M24: 27,779,876 km (0.106 R)
• M25: 28,287,312 km (0.112 R)
• M26: 28,628,844 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.5

Radius: 13

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.46 AU - 4.7 AU

Year: 6890 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,827,840 km

• M1: 161,715 km (0.066 R)
• M2: 573,708 km (0.033 R)
• M3: 991,535 km (0.102 R)
• M4: 1,516,474 km (0.083 R)
• M5: 2,858,666 km (0.084 R)
• M6: 3,543,525 km (0.101 R)
• M7: 4,410,594 km (0.101 R)
• M8: 5,073,462 km (0.085 R)
• M9: 5,561,450 km (0.078 R)
• M10: 8,450,634 km (0.108 R)
• M11: 9,263,998 km (0.098 R)
• M12: 10,673,359 km (0.081 R)
• M13: 11,381,256 km (0.088 R)
• M14: 12,682,309 km (0.058 R)
• M15: 13,585,132 km (0.111 R)
• M16: 14,701,581 km (0.105 R)
• M17: 16,551,957 km (0.107 R)
• M18: 18,419,088 km (0.11 R)
• M19: 20,710,329 km (0.094 R)
• M20: 26,784,751 km (0.081 R)
• M21: 28,181,097 km (0.105 R)
• M22: 31,213,446 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.5

Radius: 7.2

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.78 AU - 6.18 AU

Year: 9017 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,827,840 km

• M1: 89,609 km (0.049 R)
• M2: 359,334 km (0.099 R)
• M3: 771,027 km (0.026 R)
• M4: 1,297,762 km (0.092 R)
• M5: 1,634,357 km (0.107 R)
• M6: 3,251,510 km (0.116 R)
• M7: 6,804,908 km (0.052 R)
• M8: 12,344,667 km (0.069 R)
• M9: 14,419,589 km (0.093 R)
• M10: 23,663,092 km (0.028 R)
• M11: 28,620,167 km (0.081 R)
• M12: 33,717,565 km (0.025 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.5

Radius: 6.4

Gravity: 23.74 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.23 AU - 7.41 AU

Year: 12519 Days

Day: 21.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,827,840 km

• M1: 79,586 km (0.06 R)
• M2: 381,325 km (0.118 R)
• M3: 625,917 km (0.115 R)
• M4: 860,038 km (0.102 R)
• M5: 1,351,168 km (0.064 R)
• M6: 1,619,696 km (0.12 R)
• M7: 2,127,581 km (0.102 R)
• M8: 2,668,377 km (0.111 R)
• M9: 3,375,377 km (0.08 R)
• M10: 3,730,223 km (0.096 R)
• M11: 4,979,664 km (0.117 R)
• M12: 5,188,653 km (0.118 R)
• M13: 5,549,931 km (0.1 R)
• M14: 6,735,495 km (0.056 R)
• M15: 10,938,148 km (0.047 R)
• M16: 11,532,500 km (0.102 R)
• M17: 11,899,314 km (0.027 R)
• M18: 12,337,037 km (0.086 R)
• M19: 15,191,963 km (0.098 R)
• M20: 16,233,912 km (0.086 R)
• M21: 18,709,009 km (0.085 R)
• M22: 22,166,216 km (0.102 R)
• M23: 28,501,237 km (0.108 R)
• M24: 32,804,270 km (0.107 R)
• M25: 34,413,345 km (0.043 R)
• M26: 40,389,480 km (0.101 R)
• M27: 44,287,851 km (0.107 R)
• M28: 47,332,168 km (0.095 R)
• M29: 48,905,339 km (0.062 R)
• M30: 50,188,739 km (0.049 R)
• M31: 54,857,539 km (0.087 R)
• M32: 61,831,194 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.1

Radius: 4.1

Gravity: 50.81 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.72 AU - 8.48 AU

Year: 13298 Days

Day: 20.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,827,840 km

• M1: 51,013 km (0.095 R)
• M2: 278,701 km (0.108 R)
• M3: 670,498 km (0.113 R)
• M4: 1,146,668 km (0.043 R)
• M5: 1,524,701 km (0.078 R)
• M6: 2,291,241 km (0.08 R)
• M7: 2,655,512 km (0.113 R)
• M8: 3,032,648 km (0.08 R)
• M9: 3,664,101 km (0.088 R)
• M10: 4,870,159 km (0.103 R)
• M11: 6,481,777 km (0.05 R)
• M12: 9,976,383 km (0.109 R)
• M13: 17,810,225 km (0.071 R)
• M14: 18,715,890 km (0.055 R)
• M15: 21,068,317 km (0.045 R)
• M16: 21,987,297 km (0.076 R)
• M17: 27,307,745 km (0.117 R)
• M18: 28,399,361 km (0.111 R)
• M19: 31,019,717 km (0.082 R)
• M20: 32,087,546 km (0.087 R)
• M21: 34,421,872 km (0.041 R)
• M22: 46,563,534 km (0.108 R)
• M23: 47,492,686 km (0.107 R)
• M24: 48,750,805 km (0.109 R)
• M25: 51,662,278 km (0.101 R)
• M26: 58,902,217 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.5

Radius: 7

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 10.04 AU - 10.76 AU

Year: 23575 Days

Day: 17.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,827,840 km

• M1: 87,216 km (0.055 R)
• M2: 339,886 km (0.106 R)
• M3: 735,573 km (0.086 R)
• M4: 1,075,160 km (0.092 R)
• M5: 1,343,239 km (0.103 R)
• M6: 2,666,732 km (0.094 R)
• M7: 4,218,959 km (0.103 R)
• M8: 7,350,791 km (0.103 R)
• M9: 14,378,599 km (0.064 R)
• M10: 17,918,085 km (0.096 R)
• M11: 18,991,001 km (0.063 R)
• M12: 19,414,812 km (0.085 R)
• M13: 23,035,828 km (0.096 R)
• M14: 25,411,442 km (0.027 R)
• M15: 25,719,464 km (0.104 R)
• M16: 34,629,514 km (0.088 R)
• M17: 59,994,132 km (0.075 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 15,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit