🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.45 AU - 0.61 AU

Year: 249 Days

Day: 47.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,556,447 km

• M1: 106,962 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.56 AU - 0.62 AU

Year: 293 Days

Day: 12.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,556,447 km

• M1: 31,266 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.5

Radius: 14.6

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.73 AU - 1.07 AU

Year: 551 Days

Day: 13.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,556,447 km

• M1: 181,612 km (0.037 R)
• M2: 737,069 km (0.09 R)
• M3: 1,315,264 km (0.077 R)
• M4: 1,808,638 km (0.062 R)
• M5: 2,834,580 km (0.03 R)
• M6: 3,391,234 km (0.053 R)
• M7: 3,853,192 km (0.069 R)
• M8: 4,413,137 km (0.084 R)
• M9: 5,027,087 km (0.111 R)
• M10: 5,747,999 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.4

Radius: 10.5

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.19 AU - 1.27 AU

Year: 881 Days

Day: 12.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,556,447 km

• M1: 130,898 km (0.032 R)
• M2: 472,280 km (0.089 R)
• M3: 882,777 km (0.075 R)
• M4: 1,421,629 km (0.107 R)
• M5: 1,763,310 km (0.091 R)
• M6: 2,190,562 km (0.119 R)
• M7: 2,900,404 km (0.113 R)
• M8: 3,256,297 km (0.062 R)
• M9: 3,965,391 km (0.099 R)
• M10: 4,587,419 km (0.11 R)
• M11: 5,145,419 km (0.096 R)
• M12: 5,709,104 km (0.046 R)
• M13: 6,313,479 km (0.066 R)
• M14: 6,674,608 km (0.09 R)
• M15: 7,276,590 km (0.027 R)
• M16: 7,673,922 km (0.078 R)
• M17: 8,259,448 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.8

Radius: 10.6

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.4 AU - 1.62 AU

Year: 1198 Days

Day: 13.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,556,447 km

• M1: 133,591 km (0.089 R)
• M2: 518,955 km (0.108 R)
• M3: 988,543 km (0.118 R)
• M4: 1,812,229 km (0.076 R)
• M5: 2,620,506 km (0.039 R)
• M6: 3,243,431 km (0.114 R)
• M7: 3,574,940 km (0.113 R)
• M8: 3,912,583 km (0.109 R)
• M9: 5,036,661 km (0.075 R)
• M10: 5,956,838 km (0.116 R)
• M11: 6,294,929 km (0.097 R)
• M12: 6,838,418 km (0.098 R)
• M13: 7,310,848 km (0.098 R)
• M14: 8,687,298 km (0.102 R)
• M15: 9,152,847 km (0.104 R)
• M16: 10,357,558 km (0.116 R)
• M17: 11,875,528 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.5

Radius: 8.2

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.58 AU - 2.28 AU

Year: 1731 Days

Day: 7.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,556,447 km

• M1: 102,026 km (0.064 R)
• M2: 358,287 km (0.095 R)
• M3: 678,426 km (0.049 R)
• M4: 1,015,022 km (0.12 R)
• M5: 1,722,021 km (0.105 R)
• M6: 2,681,542 km (0.079 R)
• M7: 3,183,293 km (0.057 R)
• M8: 3,591,097 km (0.078 R)
• M9: 4,070,259 km (0.089 R)
• M10: 4,335,197 km (0.089 R)
• M11: 5,112,956 km (0.056 R)
• M12: 6,199,934 km (0.104 R)
• M13: 6,551,639 km (0.063 R)
• M14: 7,687,386 km (0.077 R)
• M15: 9,012,673 km (0.111 R)
• M16: 9,863,885 km (0.052 R)
• M17: 12,264,183 km (0.053 R)
• M18: 12,539,742 km (0.087 R)
• M19: 13,599,494 km (0.09 R)
• M20: 13,979,921 km (0.108 R)
• M21: 14,454,445 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.7

Radius: 9.9

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.48 AU - 5.86 AU

Year: 8717 Days

Day: 10.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,556,447 km

• M1: 123,269 km (0.072 R)
• M2: 648,956 km (0.057 R)
• M3: 1,174,792 km (0.092 R)
• M4: 1,514,828 km (0.115 R)
• M5: 1,874,461 km (0.12 R)
• M6: 2,220,481 km (0.12 R)
• M7: 2,769,356 km (0.071 R)
• M8: 3,131,682 km (0.061 R)
• M9: 3,574,043 km (0.028 R)
• M10: 4,031,363 km (0.08 R)
• M11: 6,371,373 km (0.078 R)
• M12: 8,145,305 km (0.096 R)
• M13: 9,592,515 km (0.082 R)
• M14: 10,077,960 km (0.093 R)
• M15: 11,852,490 km (0.09 R)
• M16: 14,010,140 km (0.111 R)
• M17: 14,762,916 km (0.115 R)
• M18: 16,693,327 km (0.118 R)
• M19: 17,254,170 km (0.098 R)
• M20: 21,456,224 km (0.029 R)
• M21: 26,107,072 km (0.117 R)
• M22: 28,418,360 km (0.084 R)
• M23: 28,816,439 km (0.106 R)
• M24: 29,420,516 km (0.074 R)
• M25: 30,446,009 km (0.067 R)
• M26: 32,676,812 km (0.114 R)
• M27: 33,665,505 km (0.094 R)
• M28: 34,335,554 km (0.045 R)
• M29: 43,084,636 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.5

Radius: 5.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.88 AU - 10.8 AU

Year: 18430 Days

Day: 15.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,556,447 km

• M1: 65,973 km (0.108 R)
• M2: 260,450 km (0.106 R)
• M3: 463,604 km (0.067 R)
• M4: 649,853 km (0.104 R)
• M5: 990,637 km (0.054 R)
• M6: 1,294,770 km (0.039 R)
• M7: 1,789,789 km (0.1 R)
• M8: 1,990,998 km (0.069 R)
• M9: 2,207,317 km (0.088 R)
• M10: 2,495,143 km (0.101 R)
• M11: 2,952,164 km (0.077 R)
• M12: 3,852,295 km (0.064 R)
• M13: 4,083,573 km (0.11 R)
• M14: 7,238,293 km (0.049 R)
• M15: 7,551,252 km (0.116 R)
• M16: 8,938,622 km (0.086 R)
• M17: 12,097,830 km (0.091 R)
• M18: 13,452,439 km (0.102 R)
• M19: 18,695,096 km (0.055 R)
• M20: 21,926,261 km (0.112 R)
• M21: 24,016,293 km (0.087 R)
• M22: 24,800,185 km (0.083 R)
• M23: 30,974,389 km (0.116 R)
• M24: 37,515,705 km (0.088 R)
• M25: 38,098,987 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.4

Radius: 7.3

Gravity: 14.66 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.5 AU - 11.48 AU

Year: 21937 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,556,447 km

• M1: 94,396 km (0.064 R)
• M2: 543,489 km (0.118 R)
• M3: 787,034 km (0.059 R)
• M4: 1,040,154 km (0.099 R)
• M5: 1,662,631 km (0.081 R)
• M6: 2,046,050 km (0.102 R)
• M7: 2,348,687 km (0.108 R)
• M8: 3,837,784 km (0.073 R)
• M9: 4,616,740 km (0.061 R)
• M10: 4,873,450 km (0.12 R)
• M11: 7,839,078 km (0.049 R)
• M12: 8,152,486 km (0.094 R)
• M13: 8,474,271 km (0.088 R)
• M14: 8,916,332 km (0.037 R)
• M15: 16,571,106 km (0.06 R)
• M16: 18,426,718 km (0.035 R)
• M17: 21,412,990 km (0.116 R)
• M18: 23,287,153 km (0.076 R)
• M19: 25,268,128 km (0.091 R)
• M20: 27,478,137 km (0.119 R)
• M21: 32,013,196 km (0.115 R)
• M22: 32,278,733 km (0.071 R)
• M23: 34,596,602 km (0.116 R)
• M24: 35,016,822 km (0.06 R)
• M25: 35,440,484 km (0.114 R)
• M26: 36,154,065 km (0.087 R)
• M27: 37,609,952 km (0.112 R)
• M28: 41,106,204 km (0.049 R)
• M29: 49,619,370 km (0.081 R)
• M30: 52,698,992 km (0.113 R)
• M31: 62,284,026 km (0.066 R)
• M32: 65,863,155 km (0.12 R)
• M33: 71,372,097 km (0.058 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 12,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit