🌌 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 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.8

Radius: 10.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.44 AU - 0.64 AU

Year: 269 Days

Day: 5.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,608,092 km

• M1: 129,402 km (0.104 R)
• M2: 521,648 km (0.118 R)
• M3: 862,133 km (0.097 R)
• M4: 1,238,371 km (0.098 R)
• M5: 1,628,822 km (0.106 R)
• M6: 1,977,085 km (0.066 R)
• M7: 2,844,753 km (0.062 R)
• M8: 3,191,371 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.5

Radius: 12

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.54 AU - 0.84 AU

Year: 389 Days

Day: 12.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,608,092 km

• M1: 149,299 km (0.09 R)
• M2: 577,149 km (0.079 R)
• M3: 1,125,126 km (0.116 R)
• M4: 1,533,827 km (0.111 R)
• M5: 2,174,854 km (0.048 R)
• M6: 2,762,624 km (0.058 R)
• M7: 3,560,579 km (0.114 R)
• M8: 4,046,622 km (0.027 R)
• M9: 5,168,307 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.6

Radius: 9.9

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.89 AU - 1.09 AU

Year: 668 Days

Day: 13.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,608,092 km

• M1: 123,119 km (0.092 R)
• M2: 547,229 km (0.114 R)
• M3: 864,975 km (0.109 R)
• M4: 1,423,723 km (0.055 R)
• M5: 1,786,049 km (0.058 R)
• M6: 2,229,906 km (0.09 R)
• M7: 2,554,832 km (0.113 R)
• M8: 3,381,061 km (0.099 R)
• M9: 3,974,516 km (0.114 R)
• M10: 4,787,132 km (0.086 R)
• M11: 5,555,167 km (0.112 R)
• M12: 6,218,783 km (0.066 R)
• M13: 6,978,142 km (0.119 R)
• M14: 7,587,305 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.6

Radius: 10.2

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.14 AU - 1.22 AU

Year: 869 Days

Day: 5.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,608,092 km

• M1: 129,552 km (0.08 R)
• M2: 511,774 km (0.076 R)
• M3: 902,524 km (0.055 R)
• M4: 1,596,808 km (0.035 R)
• M5: 2,017,626 km (0.089 R)
• M6: 2,471,207 km (0.105 R)
• M7: 2,855,225 km (0.103 R)
• M8: 3,291,452 km (0.116 R)
• M9: 3,826,564 km (0.062 R)
• M10: 5,239,815 km (0.107 R)
• M11: 5,823,097 km (0.116 R)
• M12: 7,119,512 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.6

Radius: 13.8

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.78 AU - 2.48 AU

Year: 2108 Days

Day: 7.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,608,092 km

• M1: 171,589 km (0.116 R)
• M2: 646,263 km (0.107 R)
• M3: 1,139,936 km (0.097 R)
• M4: 1,696,589 km (0.072 R)
• M5: 2,128,927 km (0.114 R)
• M6: 2,782,221 km (0.071 R)
• M7: 3,269,611 km (0.1 R)
• M8: 4,073,550 km (0.102 R)
• M9: 4,884,370 km (0.118 R)
• M10: 8,637,033 km (0.069 R)
• M11: 9,150,902 km (0.084 R)
• M12: 10,306,844 km (0.064 R)
• M13: 11,307,056 km (0.095 R)
• M14: 11,849,199 km (0.108 R)
• M15: 12,484,690 km (0.078 R)
• M16: 13,103,427 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.4

Radius: 15

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.37 AU - 3.85 AU

Year: 3720 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 157.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,608,092 km

• M1: 186,549 km (0.06 R)
• M2: 762,949 km (0.112 R)
• M3: 2,172,311 km (0.082 R)
• M4: 3,035,490 km (0.089 R)
• M5: 3,528,565 km (0.054 R)
• M6: 5,265,546 km (0.04 R)
• M7: 8,396,928 km (0.116 R)
• M8: 10,196,292 km (0.109 R)
• M9: 10,766,559 km (0.051 R)
• M10: 15,009,154 km (0.045 R)
• M11: 16,018,192 km (0.111 R)
• M12: 16,511,715 km (0.103 R)
• M13: 18,708,859 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.8

Radius: 11.2

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.12 AU - 5.38 AU

Year: 8159 Days

Day: 6.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,608,092 km

• M1: 139,425 km (0.101 R)
• M2: 528,529 km (0.08 R)
• M3: 1,951,055 km (0.044 R)
• M4: 2,578,918 km (0.1 R)
• M5: 6,966,474 km (0.088 R)
• M6: 11,076,675 km (0.092 R)
• M7: 11,815,389 km (0.087 R)
• M8: 15,704,635 km (0.056 R)
• M9: 16,447,687 km (0.104 R)
• M10: 18,205,163 km (0.06 R)
• M11: 20,738,902 km (0.083 R)
• M12: 23,180,938 km (0.091 R)
• M13: 23,981,885 km (0.083 R)
• M14: 27,816,078 km (0.101 R)
• M15: 28,629,143 km (0.108 R)
• M16: 30,970,948 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.8

Radius: 4.5

Gravity: 31.25 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.66 AU - 11.08 AU

Year: 17917 Days

Day: 22.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,608,092 km

• M1: 59,241 km (0.11 R)
• M2: 265,686 km (0.106 R)
• M3: 606,470 km (0.113 R)
• M4: 937,679 km (0.07 R)
• M5: 1,321,996 km (0.029 R)
• M6: 1,550,432 km (0.085 R)
• M7: 1,769,144 km (0.095 R)
• M8: 2,206,718 km (0.069 R)
• M9: 3,402,005 km (0.035 R)
• M10: 5,917,493 km (0.118 R)
• M11: 8,865,469 km (0.085 R)
• M12: 11,755,999 km (0.111 R)
• M13: 12,140,316 km (0.112 R)
• M14: 14,116,504 km (0.058 R)
• M15: 16,376,329 km (0.075 R)
• M16: 16,855,491 km (0.059 R)
• M17: 20,019,187 km (0.092 R)
• M18: 20,751,768 km (0.051 R)
• M19: 30,024,442 km (0.096 R)
• M20: 35,818,218 km (0.101 R)
• M21: 39,401,087 km (0.077 R)
• M22: 43,671,059 km (0.048 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.4

Radius: 3.9

Gravity: 47.82 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.23 AU - 10.33 AU

Year: 22355 Days

Day: 16.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,608,092 km

• M1: 48,619 km (0.107 R)
• M2: 207,791 km (0.071 R)
• M3: 789,727 km (0.043 R)
• M4: 1,091,915 km (0.082 R)
• M5: 2,586,248 km (0.053 R)
• M6: 4,525,784 km (0.056 R)
• M7: 5,723,615 km (0.099 R)
• M8: 8,128,999 km (0.096 R)
• M9: 14,026,745 km (0.111 R)
• M10: 15,768,812 km (0.105 R)
• M11: 17,122,823 km (0.117 R)
• M12: 19,866,896 km (0.078 R)
• M13: 25,746,990 km (0.079 R)
• M14: 28,099,716 km (0.096 R)
• M15: 28,709,477 km (0.077 R)
• M16: 30,591,717 km (0.066 R)
• M17: 33,634,987 km (0.088 R)
• M18: 34,460,917 km (0.077 R)
• M19: 41,090,346 km (0.073 R)
• M20: 42,033,860 km (0.088 R)
• M21: 44,291,292 km (0.116 R)
• M22: 52,275,480 km (0.089 R)
• M23: 56,219,029 km (0.115 R)
• M24: 65,327,745 km (0.049 R)
• M25: 65,753,949 km (0.045 R)
• M26: 69,009,647 km (0.037 R)
• M27: 69,895,716 km (0.08 R)
• M28: 74,904,701 km (0.066 R)
• M29: 77,974,001 km (0.166 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 13,774 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit