🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.1

Radius: 11.2

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.5 AU - 0.52 AU

Year: 243 Days

Day: 6.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,546,126 km

• M1: 139,276 km (0.062 R)
• M2: 492,775 km (0.073 R)
• M3: 849,118 km (0.106 R)
• M4: 1,372,411 km (0.035 R)
• M5: 1,739,075 km (0.089 R)
• M6: 2,240,677 km (0.09 R)
• M7: 2,685,431 km (0.058 R)
• M8: 3,071,843 km (0.108 R)
• M9: 3,548,461 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.8

Radius: 8

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.52 AU - 0.54 AU

Year: 257 Days

Day: 8.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,546,126 km

• M1: 99,632 km (0.107 R)
• M2: 366,365 km (0.047 R)
• M3: 697,126 km (0.083 R)
• M4: 952,490 km (0.093 R)
• M5: 1,474,437 km (0.098 R)
• M6: 1,893,161 km (0.055 R)
• M7: 2,634,269 km (0.052 R)
• M8: 3,108,943 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.2

Radius: 14

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.55 AU - 0.69 AU

Year: 326 Days

Day: 11.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,546,126 km

• M1: 174,132 km (0.112 R)
• M2: 622,776 km (0.053 R)
• M3: 1,070,223 km (0.043 R)
• M4: 1,715,439 km (0.112 R)
• M5: 2,688,274 km (0.028 R)
• M6: 3,363,409 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.7

Radius: 8.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.76 AU - 0.78 AU

Year: 451 Days

Day: 12.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,546,126 km

• M1: 108,758 km (0.097 R)
• M2: 498,311 km (0.116 R)
• M3: 781,499 km (0.117 R)
• M4: 2,857,170 km (0.072 R)
• M5: 3,140,359 km (0.097 R)
• M6: 3,622,064 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.1

Radius: 9

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.87 AU - 1.07 AU

Year: 637 Days

Day: 13.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,546,126 km

• M1: 112,348 km (0.07 R)
• M2: 426,653 km (0.067 R)
• M3: 1,462,768 km (0.096 R)
• M4: 1,835,416 km (0.079 R)
• M5: 2,228,709 km (0.074 R)
• M6: 2,658,653 km (0.099 R)
• M7: 3,016,791 km (0.083 R)
• M8: 3,709,578 km (0.107 R)
• M9: 4,684,807 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.9

Radius: 11.7

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.99 AU - 1.05 AU

Year: 687 Days

Day: 14 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,546,126 km

• M1: 145,559 km (0.069 R)
• M2: 522,695 km (0.08 R)
• M3: 890,407 km (0.106 R)
• M4: 2,160,193 km (0.098 R)
• M5: 2,729,413 km (0.088 R)
• M6: 3,942,353 km (0.087 R)
• M7: 4,468,638 km (0.119 R)
• M8: 4,942,714 km (0.111 R)
• M9: 5,538,263 km (0.116 R)
• M10: 6,750,754 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.2

Radius: 13.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.31 AU - 1.43 AU

Year: 1069 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,546,126 km

• M1: 168,148 km (0.118 R)
• M2: 604,525 km (0.072 R)
• M3: 1,055,712 km (0.036 R)
• M4: 1,734,587 km (0.05 R)
• M5: 2,227,064 km (0.107 R)
• M6: 3,515,999 km (0.081 R)
• M7: 3,979,453 km (0.114 R)
• M8: 4,975,924 km (0.107 R)
• M9: 5,602,291 km (0.067 R)
• M10: 6,540,868 km (0.108 R)
• M11: 7,557,535 km (0.056 R)
• M12: 8,155,029 km (0.041 R)
• M13: 9,082,984 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.5

Radius: 14

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.36 AU - 2 AU

Year: 1452 Days

Day: 10.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,546,126 km

• M1: 174,132 km (0.119 R)
• M2: 630,405 km (0.109 R)
• M3: 1,084,884 km (0.119 R)
• M4: 1,732,792 km (0.108 R)
• M5: 2,673,464 km (0.064 R)
• M6: 3,147,838 km (0.072 R)
• M7: 3,665,746 km (0.065 R)
• M8: 4,154,782 km (0.058 R)
• M9: 4,672,091 km (0.114 R)
• M10: 5,873,362 km (0.093 R)
• M11: 6,450,211 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.6

Radius: 6.8

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.2 AU - 8.02 AU

Year: 11333 Days

Day: 24.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 45,546,126 km

• M1: 94,546 km (0.112 R)
• M2: 398,678 km (0.115 R)
• M3: 716,424 km (0.113 R)
• M4: 1,732,942 km (0.063 R)
• M5: 2,064,002 km (0.099 R)
• M6: 2,358,560 km (0.043 R)
• M7: 2,809,448 km (0.041 R)
• M8: 3,365,354 km (0.11 R)
• M9: 3,617,576 km (0.112 R)
• M10: 4,047,520 km (0.069 R)
• M11: 4,693,783 km (0.096 R)
• M12: 5,932,603 km (0.041 R)
• M13: 6,226,862 km (0.069 R)
• M14: 6,884,344 km (0.086 R)
• M15: 7,759,492 km (0.119 R)
• M16: 8,201,254 km (0.062 R)
• M17: 10,086,188 km (0.108 R)
• M18: 10,612,473 km (0.102 R)
• M19: 11,777,242 km (0.089 R)
• M20: 12,301,583 km (0.107 R)
• M21: 12,780,595 km (0.1 R)
• M22: 14,292,431 km (0.066 R)
• M23: 15,710,020 km (0.094 R)
• M24: 21,537,755 km (0.099 R)
• M25: 23,305,104 km (0.102 R)
• M26: 24,410,633 km (0.044 R)
• M27: 29,714,027 km (0.093 R)
• M28: 30,142,924 km (0.106 R)
• M29: 37,703,600 km (0.081 R)
• M30: 38,080,288 km (0.063 R)
• M31: 39,353,665 km (0.105 R)
• M32: 46,149,447 km (0.064 R)
• M33: 48,331,182 km (0.113 R)
• M34: 48,924,338 km (0.108 R)

Asteroid Belt

Center: 7.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227

Radius: 6.4

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.24 AU - 9.46 AU

Year: 16090 Days

Day: 23.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 59.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,546,126 km

• M1: 79,586 km (0.101 R)
• M2: 1,077,703 km (0.112 R)
• M3: 2,045,751 km (0.073 R)
• M4: 2,614,073 km (0.066 R)
• M5: 3,167,585 km (0.101 R)
• M6: 8,723,201 km (0.038 R)
• M7: 16,079,078 km (0.054 R)
• M8: 19,031,542 km (0.103 R)
• M9: 22,752,789 km (0.076 R)
• M10: 25,795,909 km (0.103 R)
• M11: 26,835,764 km (0.1 R)
• M12: 28,797,590 km (0.119 R)
• M13: 34,454,933 km (0.092 R)
• M14: 35,715,295 km (0.12 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 16,697 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit