🌌 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: 533.9

Radius: 12.1

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.62 AU - 0.76 AU

Year: 364 Days

Day: 6.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,404,045 km

• M1: 150,495 km (0.081 R)
• M2: 590,164 km (0.115 R)
• M3: 1,034,320 km (0.114 R)
• M4: 1,582,596 km (0.082 R)
• M5: 1,978,133 km (0.112 R)
• M6: 2,354,371 km (0.065 R)
• M7: 2,788,654 km (0.12 R)
• M8: 3,868,900 km (0.083 R)
• M9: 4,451,733 km (0.12 R)
• M10: 4,848,766 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.2

Radius: 13.7

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.52 AU - 0.86 AU

Year: 364 Days

Day: 10.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,404,045 km

• M1: 170,542 km (0.088 R)
• M2: 793,916 km (0.078 R)
• M3: 1,376,749 km (0.104 R)
• M4: 2,177,247 km (0.115 R)
• M5: 2,734,499 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.1

Radius: 9.7

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.66 AU - 0.8 AU

Year: 397 Days

Day: 6.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,404,045 km

• M1: 121,324 km (0.104 R)
• M2: 570,117 km (0.098 R)
• M3: 1,050,925 km (0.116 R)
• M4: 1,441,974 km (0.074 R)
• M5: 1,760,617 km (0.056 R)
• M6: 2,230,504 km (0.038 R)
• M7: 2,762,025 km (0.092 R)
• M8: 3,069,449 km (0.106 R)
• M9: 3,628,945 km (0.093 R)
• M10: 4,078,786 km (0.045 R)
• M11: 4,493,770 km (0.054 R)
• M12: 4,997,766 km (0.084 R)
• M13: 5,311,772 km (0.085 R)

Asteroid Belt

Center: 1.13 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.1

Radius: 11.6

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.34 AU - 1.72 AU

Year: 1203 Days

Day: 12.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,404,045 km

• M1: 144,362 km (0.043 R)
• M2: 509,830 km (0.112 R)
• M3: 879,486 km (0.043 R)
• M4: 1,334,114 km (0.12 R)
• M5: 2,382,795 km (0.053 R)
• M6: 3,244,778 km (0.06 R)
• M7: 3,798,290 km (0.098 R)
• M8: 4,488,385 km (0.063 R)
• M9: 5,239,366 km (0.114 R)
• M10: 5,667,366 km (0.098 R)
• M11: 6,400,844 km (0.077 R)
• M12: 7,326,705 km (0.059 R)
• M13: 8,282,486 km (0.112 R)
• M14: 9,694,540 km (0.052 R)
• M15: 10,341,850 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.2

Radius: 13.8

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.61 AU - 2.03 AU

Year: 1561 Days

Day: 14 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,404,045 km

• M1: 171,589 km (0.041 R)
• M2: 660,774 km (0.085 R)
• M3: 1,133,054 km (0.071 R)
• M4: 1,967,062 km (0.108 R)
• M5: 4,053,654 km (0.113 R)
• M6: 4,725,797 km (0.094 R)
• M7: 5,842,844 km (0.087 R)
• M8: 6,357,461 km (0.077 R)
• M9: 7,961,898 km (0.031 R)
• M10: 8,726,792 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.4

Radius: 9.6

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.79 AU - 3.71 AU

Year: 3725 Days

Day: 14 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,404,045 km

• M1: 119,379 km (0.119 R)
• M2: 481,107 km (0.084 R)
• M3: 1,073,664 km (0.072 R)
• M4: 1,578,108 km (0.113 R)
• M5: 1,964,818 km (0.104 R)
• M6: 2,694,856 km (0.077 R)
• M7: 3,165,491 km (0.096 R)
• M8: 7,228,420 km (0.092 R)
• M9: 9,303,192 km (0.097 R)
• M10: 11,130,082 km (0.047 R)
• M11: 14,980,731 km (0.117 R)
• M12: 15,937,559 km (0.117 R)
• M13: 16,721,452 km (0.108 R)
• M14: 18,140,537 km (0.064 R)
• M15: 19,285,709 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.9

Radius: 14.2

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.81 AU - 6.17 AU

Year: 8179 Days

Day: 10.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,404,045 km

• M1: 176,825 km (0.07 R)
• M2: 668,254 km (0.067 R)
• M3: 1,633,609 km (0.119 R)
• M4: 2,122,495 km (0.073 R)
• M5: 3,153,972 km (0.114 R)
• M6: 3,671,281 km (0.08 R)
• M7: 5,608,873 km (0.088 R)
• M8: 6,158,645 km (0.085 R)
• M9: 6,858,015 km (0.073 R)
• M10: 8,954,629 km (0.096 R)
• M11: 10,452,254 km (0.098 R)
• M12: 11,667,288 km (0.088 R)
• M13: 12,280,788 km (0.093 R)
• M14: 13,755,375 km (0.095 R)
• M15: 17,627,117 km (0.034 R)
• M16: 19,115,766 km (0.092 R)
• M17: 20,767,476 km (0.117 R)
• M18: 23,464,725 km (0.029 R)
• M19: 26,292,873 km (0.114 R)
• M20: 27,446,273 km (0.076 R)
• M21: 28,633,182 km (0.081 R)
• M22: 30,164,615 km (0.112 R)
• M23: 32,290,700 km (0.063 R)
• M24: 35,317,065 km (0.086 R)
• M25: 41,028,114 km (0.116 R)
• M26: 45,798,491 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.5

Radius: 4.2

Gravity: 13.63 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.21 AU - 8.63 AU

Year: 11574 Days

Day: 21.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,404,045 km

• M1: 52,509 km (0.119 R)
• M2: 295,605 km (0.098 R)
• M3: 465,100 km (0.058 R)
• M4: 2,143,588 km (0.117 R)
• M5: 2,950,369 km (0.101 R)
• M6: 3,244,778 km (0.115 R)
• M7: 3,867,853 km (0.098 R)
• M8: 5,286,340 km (0.096 R)
• M9: 6,801,766 km (0.085 R)
• M10: 9,271,777 km (0.107 R)
• M11: 10,657,053 km (0.069 R)
• M12: 11,048,700 km (0.051 R)
• M13: 17,245,792 km (0.072 R)
• M14: 17,379,533 km (0.07 R)
• M15: 20,501,640 km (0.096 R)
• M16: 21,183,208 km (0.116 R)
• M17: 22,431,902 km (0.106 R)
• M18: 23,155,506 km (0.111 R)
• M19: 33,088,955 km (0.094 R)
• M20: 33,295,699 km (0.113 R)
• M21: 33,816,150 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.8

Radius: 6.9

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 10.38 AU - 10.96 AU

Year: 22161 Days

Day: 18.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,404,045 km

• M1: 85,869 km (0.094 R)
• M2: 874,100 km (0.034 R)
• M3: 1,906,625 km (0.093 R)
• M4: 3,116,124 km (0.093 R)
• M5: 5,358,147 km (0.076 R)
• M6: 7,239,340 km (0.094 R)
• M7: 8,450,036 km (0.041 R)
• M8: 11,385,445 km (0.108 R)
• M9: 13,015,314 km (0.076 R)
• M10: 17,438,025 km (0.047 R)
• M11: 26,166,612 km (0.085 R)
• M12: 36,890,386 km (0.089 R)
• M13: 41,548,565 km (0.077 R)
• M14: 44,315,078 km (0.084 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: 474 - 17,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit