🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.8

Radius: 11.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.56 AU - 0.82 AU

Year: 389 Days

Day: 15 Hours

Environment

Temp: -165 °C

Axial Tilt: 124.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,364,500 km

• M1: 144,362 km (0.084 R)
• M2: 515,813 km (0.107 R)
• M3: 912,547 km (0.026 R)
• M4: 1,303,446 km (0.098 R)
• M5: 1,693,597 km (0.103 R)
• M6: 2,357,662 km (0.105 R)
• M7: 3,006,020 km (0.054 R)
• M8: 4,230,029 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.7

Radius: 12.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.72 AU - 1.08 AU

Year: 579 Days

Day: 14.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,364,500 km

• M1: 153,039 km (0.096 R)
• M2: 763,548 km (0.082 R)
• M3: 1,152,203 km (0.104 R)
• M4: 1,685,220 km (0.065 R)
• M5: 2,453,255 km (0.113 R)
• M6: 2,965,778 km (0.107 R)
• M7: 3,597,081 km (0.049 R)
• M8: 4,581,435 km (0.09 R)
• M9: 5,022,449 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.4

Radius: 11.9

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.48 AU - 2 AU

Year: 1557 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,364,500 km

• M1: 147,952 km (0.113 R)
• M2: 654,939 km (0.032 R)
• M3: 1,305,391 km (0.117 R)
• M4: 1,824,196 km (0.091 R)
• M5: 2,681,691 km (0.082 R)
• M6: 3,345,158 km (0.077 R)
• M7: 3,942,203 km (0.094 R)
• M8: 4,330,260 km (0.037 R)
• M9: 5,183,716 km (0.113 R)
• M10: 5,563,844 km (0.098 R)
• M11: 6,076,815 km (0.096 R)
• M12: 6,968,418 km (0.103 R)
• M13: 7,432,770 km (0.078 R)
• M14: 8,366,261 km (0.097 R)
• M15: 10,938,596 km (0.111 R)
• M16: 11,999,245 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.4

Radius: 8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.41 AU - 2.27 AU

Year: 1693 Days

Day: 13 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,364,500 km

• M1: 99,632 km (0.119 R)
• M2: 354,547 km (0.08 R)
• M3: 837,000 km (0.066 R)
• M4: 1,134,849 km (0.098 R)
• M5: 1,704,069 km (0.077 R)
• M6: 2,201,632 km (0.117 R)
• M7: 3,059,576 km (0.041 R)
• M8: 3,660,211 km (0.101 R)
• M9: 4,060,086 km (0.075 R)
• M10: 4,731,930 km (0.114 R)
• M11: 5,378,791 km (0.095 R)
• M12: 5,733,638 km (0.044 R)
• M13: 6,295,228 km (0.107 R)
• M14: 6,824,804 km (0.041 R)
• M15: 7,288,408 km (0.067 R)
• M16: 8,175,823 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.4

Radius: 13.1

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.2 AU - 2.94 AU

Year: 2794 Days

Day: 6.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,364,500 km

• M1: 162,912 km (0.101 R)
• M2: 667,655 km (0.044 R)
• M3: 1,103,434 km (0.056 R)
• M4: 2,121,597 km (0.114 R)
• M5: 2,944,086 km (0.036 R)
• M6: 3,429,980 km (0.059 R)
• M7: 3,894,332 km (0.094 R)
• M8: 4,421,215 km (0.095 R)
• M9: 4,973,232 km (0.102 R)
• M10: 5,912,407 km (0.076 R)
• M11: 9,618,545 km (0.118 R)
• M12: 10,076,464 km (0.098 R)
• M13: 10,922,739 km (0.106 R)
• M14: 12,137,474 km (0.108 R)
• M15: 12,589,558 km (0.093 R)
• M16: 14,058,460 km (0.09 R)
• M17: 14,881,099 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769

Radius: 9.7

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.23 AU - 3.71 AU

Year: 3472 Days

Day: 14.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,364,500 km

• M1: 120,576 km (0.06 R)
• M2: 550,969 km (0.079 R)
• M3: 938,128 km (0.09 R)
• M4: 1,330,972 km (0.05 R)
• M5: 3,997,853 km (0.106 R)
• M6: 4,420,916 km (0.119 R)
• M7: 5,098,744 km (0.105 R)
• M8: 5,872,165 km (0.112 R)
• M9: 6,272,639 km (0.084 R)
• M10: 8,774,065 km (0.111 R)
• M11: 9,260,258 km (0.084 R)
• M12: 13,572,416 km (0.12 R)
• M13: 14,842,203 km (0.076 R)
• M14: 16,134,130 km (0.094 R)
• M15: 16,750,773 km (0.098 R)
• M16: 17,441,167 km (0.088 R)
• M17: 18,150,410 km (0.09 R)
• M18: 23,379,454 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.1

Radius: 3.9

Gravity: 31.76 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.19 AU - 8.61 AU

Year: 13653 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,364,500 km

• M1: 51,312 km (0.051 R)
• M2: 177,573 km (0.112 R)
• M3: 329,714 km (0.119 R)
• M4: 638,185 km (0.096 R)
• M5: 773,720 km (0.075 R)
• M6: 1,058,255 km (0.091 R)
• M7: 1,832,873 km (0.101 R)
• M8: 2,202,829 km (0.097 R)
• M9: 2,356,166 km (0.119 R)
• M10: 2,662,992 km (0.114 R)
• M11: 3,019,035 km (0.071 R)
• M12: 3,208,575 km (0.119 R)
• M13: 3,331,096 km (0.093 R)
• M14: 3,798,140 km (0.065 R)
• M15: 5,357,249 km (0.092 R)
• M16: 6,450,062 km (0.054 R)
• M17: 10,126,280 km (0.119 R)
• M18: 10,713,751 km (0.104 R)
• M19: 12,733,920 km (0.106 R)
• M20: 13,291,621 km (0.081 R)
• M21: 17,432,789 km (0.118 R)
• M22: 25,718,118 km (0.096 R)
• M23: 26,408,213 km (0.051 R)
• M24: 26,808,088 km (0.107 R)
• M25: 28,135,620 km (0.069 R)
• M26: 31,253,838 km (0.083 R)
• M27: 31,813,633 km (0.058 R)
• M28: 34,713,737 km (0.026 R)
• M29: 35,073,221 km (0.117 R)
• M30: 39,712,400 km (0.065 R)
• M31: 41,569,209 km (0.102 R)
• M32: 42,930,550 km (0.112 R)
• M33: 43,344,637 km (0.089 R)
• M34: 46,173,532 km (0.103 R)
• M35: 47,780,662 km (0.098 R)
• M36: 49,273,799 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.6

Radius: 6.3

Gravity: 19.57 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.47 AU - 10.69 AU

Year: 20111 Days

Day: 18.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,364,500 km

• M1: 78,389 km (0.104 R)
• M2: 386,262 km (0.11 R)
• M3: 1,191,996 km (0.054 R)
• M4: 2,226,316 km (0.027 R)
• M5: 2,448,319 km (0.12 R)
• M6: 2,709,666 km (0.076 R)
• M7: 3,373,731 km (0.074 R)
• M8: 3,915,126 km (0.091 R)
• M9: 4,443,655 km (0.068 R)
• M10: 4,981,310 km (0.11 R)
• M11: 5,246,697 km (0.094 R)
• M12: 5,930,359 km (0.085 R)
• M13: 7,136,267 km (0.092 R)
• M14: 15,842,564 km (0.087 R)
• M15: 17,782,998 km (0.064 R)
• M16: 21,825,432 km (0.072 R)
• M17: 22,230,094 km (0.051 R)
• M18: 41,116,825 km (0.064 R)
• M19: 43,144,923 km (0.099 R)
• M20: 49,977,058 km (0.075 R)
• M21: 57,112,727 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.5

Radius: 6.4

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.32 AU - 12.08 AU

Year: 20490 Days

Day: 19.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,364,500 km

• M1: 80,184 km (0.082 R)
• M2: 680,670 km (0.119 R)
• M3: 1,207,255 km (0.098 R)
• M4: 1,678,937 km (0.111 R)
• M5: 2,454,602 km (0.083 R)
• M6: 2,886,192 km (0.084 R)
• M7: 3,420,705 km (0.115 R)
• M8: 3,841,374 km (0.102 R)
• M9: 4,423,011 km (0.086 R)
• M10: 9,906,969 km (0.087 R)
• M11: 12,099,027 km (0.089 R)
• M12: 12,874,243 km (0.096 R)
• M13: 13,750,887 km (0.046 R)
• M14: 17,173,088 km (0.102 R)
• M15: 17,495,172 km (0.099 R)
• M16: 17,821,146 km (0.077 R)
• M17: 20,758,051 km (0.053 R)
• M18: 22,150,658 km (0.041 R)
• M19: 24,812,303 km (0.107 R)
• M20: 26,272,976 km (0.108 R)
• M21: 26,486,153 km (0.068 R)
• M22: 28,345,655 km (0.112 R)
• M23: 28,682,549 km (0.09 R)
• M24: 30,407,413 km (0.096 R)
• M25: 34,443,563 km (0.11 R)
• M26: 42,377,038 km (0.083 R)
• M27: 49,635,526 km (0.096 R)
• M28: 49,961,500 km (0.059 R)
• M29: 56,253,587 km (0.113 R)
• M30: 57,321,416 km (0.112 R)
• M31: 60,234,535 km (0.091 R)
• M32: 60,791,488 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.1

Radius: 7.8

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 9.28 AU - 12.26 AU

Year: 23973 Days

Day: 21.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 53.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,364,500 km

• M1: 98,286 km (0.065 R)
• M2: 639,232 km (0.062 R)
• M3: 1,060,799 km (0.107 R)
• M4: 2,082,253 km (0.06 R)
• M5: 2,599,712 km (0.076 R)
• M6: 5,599,299 km (0.12 R)
• M7: 12,119,372 km (0.111 R)
• M8: 13,923,373 km (0.085 R)
• M9: 17,456,725 km (0.108 R)
• M10: 26,790,585 km (0.109 R)
• M11: 29,465,844 km (0.11 R)
• M12: 30,436,584 km (0.117 R)
• M13: 31,806,153 km (0.102 R)
• M14: 41,799,291 km (0.115 R)
• M15: 43,801,957 km (0.116 R)
• M16: 58,495,759 km (0.088 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 15,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit