🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.9

Radius: 11.6

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.43 AU - 0.61 AU

Year: 259 Days

Day: 12.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 155.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,103,975 km

• M1: 144,362 km (0.058 R)
• M2: 512,223 km (0.045 R)
• M3: 1,118,842 km (0.098 R)
• M4: 1,679,834 km (0.049 R)
• M5: 2,345,994 km (0.102 R)
• M6: 2,732,704 km (0.111 R)
• M7: 3,106,250 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.4

Radius: 10.4

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.58 AU - 0.62 AU

Year: 321 Days

Day: 11.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,103,975 km

• M1: 129,402 km (0.075 R)
• M2: 489,335 km (0.1 R)
• M3: 1,244,953 km (0.099 R)
• M4: 1,757,177 km (0.112 R)
• M5: 2,095,866 km (0.051 R)
• M6: 2,935,110 km (0.102 R)
• M7: 3,266,918 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.6

Radius: 8.8

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.61 AU - 0.93 AU

Year: 466 Days

Day: 6.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,103,975 km

• M1: 109,506 km (0.109 R)
• M2: 505,491 km (0.053 R)
• M3: 813,064 km (0.078 R)
• M4: 1,136,645 km (0.081 R)
• M5: 1,497,624 km (0.104 R)
• M6: 1,771,987 km (0.036 R)
• M7: 2,053,979 km (0.04 R)
• M8: 2,464,176 km (0.061 R)
• M9: 2,984,627 km (0.107 R)
• M10: 3,424,594 km (0.061 R)
• M11: 3,812,801 km (0.076 R)
• M12: 4,435,128 km (0.108 R)
• M13: 5,476,329 km (0.058 R)
• M14: 5,953,696 km (0.096 R)
• M15: 6,594,274 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.3

Radius: 9.2

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.89 AU - 1.39 AU

Year: 840 Days

Day: 12.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,103,975 km

• M1: 114,442 km (0.078 R)
• M2: 454,927 km (0.115 R)
• M3: 751,430 km (0.047 R)
• M4: 1,649,167 km (0.097 R)
• M5: 2,132,218 km (0.11 R)
• M6: 2,523,417 km (0.093 R)
• M7: 2,912,521 km (0.075 R)
• M8: 3,233,558 km (0.098 R)
• M9: 3,606,954 km (0.105 R)
• M10: 4,642,471 km (0.104 R)
• M11: 4,974,428 km (0.111 R)
• M12: 5,531,082 km (0.118 R)
• M13: 5,864,685 km (0.084 R)
• M14: 6,400,844 km (0.111 R)
• M15: 8,746,539 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.8

Radius: 13.6

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.66 AU - 2.04 AU

Year: 1737 Days

Day: 9.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,103,975 km

• M1: 169,345 km (0.096 R)
• M2: 608,265 km (0.105 R)
• M3: 1,060,948 km (0.083 R)
• M4: 1,791,734 km (0.078 R)
• M5: 2,366,489 km (0.087 R)
• M6: 3,093,834 km (0.077 R)
• M7: 3,698,957 km (0.095 R)
• M8: 4,401,768 km (0.111 R)
• M9: 5,148,411 km (0.035 R)
• M10: 5,739,023 km (0.045 R)
• M11: 7,083,758 km (0.112 R)
• M12: 7,556,936 km (0.097 R)
• M13: 8,321,681 km (0.113 R)
• M14: 8,817,448 km (0.114 R)
• M15: 11,448,426 km (0.082 R)
• M16: 12,180,408 km (0.116 R)
• M17: 13,610,564 km (0.096 R)
• M18: 14,082,396 km (0.119 R)
• M19: 14,565,148 km (0.045 R)
• M20: 15,610,239 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752

Radius: 11.7

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2 AU - 2.2 AU

Year: 2101 Days

Day: 12.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,103,975 km

• M1: 145,559 km (0.091 R)
• M2: 617,989 km (0.1 R)
• M3: 1,149,809 km (0.099 R)
• M4: 1,788,443 km (0.054 R)
• M5: 2,159,146 km (0.083 R)
• M6: 2,858,815 km (0.103 R)
• M7: 3,508,818 km (0.055 R)
• M8: 4,097,934 km (0.114 R)
• M9: 4,666,556 km (0.118 R)
• M10: 5,081,989 km (0.081 R)
• M11: 6,191,257 km (0.104 R)
• M12: 6,969,615 km (0.118 R)
• M13: 7,573,093 km (0.101 R)
• M14: 8,305,225 km (0.094 R)
• M15: 9,083,882 km (0.065 R)
• M16: 10,786,754 km (0.111 R)
• M17: 12,237,854 km (0.032 R)
• M18: 15,142,895 km (0.063 R)
• M19: 16,454,120 km (0.09 R)
• M20: 17,317,599 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 9.5

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.11 AU - 2.61 AU

Year: 2503 Days

Day: 7.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,103,975 km

• M1: 118,182 km (0.119 R)
• M2: 555,008 km (0.092 R)
• M3: 1,390,512 km (0.05 R)
• M4: 2,285,407 km (0.087 R)
• M5: 3,183,443 km (0.062 R)
• M6: 3,685,643 km (0.079 R)
• M7: 5,348,872 km (0.091 R)
• M8: 6,009,047 km (0.075 R)
• M9: 6,805,357 km (0.095 R)
• M10: 8,160,713 km (0.111 R)
• M11: 9,900,237 km (0.044 R)
• M12: 10,630,873 km (0.065 R)
• M13: 11,914,274 km (0.118 R)
• M14: 12,698,615 km (0.098 R)
• M15: 16,837,390 km (0.069 R)
• M16: 17,144,963 km (0.091 R)
• M17: 17,508,785 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.8

Radius: 14.6

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.26 AU - 3.48 AU

Year: 3356 Days

Day: 10.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,103,975 km

• M1: 181,612 km (0.082 R)
• M2: 695,032 km (0.078 R)
• M3: 1,257,370 km (0.029 R)
• M4: 1,811,032 km (0.087 R)
• M5: 2,620,655 km (0.069 R)
• M6: 3,622,363 km (0.099 R)
• M7: 4,201,606 km (0.065 R)
• M8: 5,391,358 km (0.093 R)
• M9: 5,926,170 km (0.089 R)
• M10: 8,715,422 km (0.103 R)
• M11: 9,646,220 km (0.095 R)
• M12: 10,437,892 km (0.081 R)
• M13: 11,531,453 km (0.104 R)
• M14: 12,839,836 km (0.115 R)
• M15: 13,798,309 km (0.072 R)
• M16: 15,858,272 km (0.074 R)
• M17: 16,793,109 km (0.1 R)
• M18: 17,417,381 km (0.114 R)
• M19: 22,028,137 km (0.076 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.1

Radius: 8.7

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.8 AU - 5.58 AU

Year: 7011 Days

Day: 11.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,103,975 km

• M1: 108,458 km (0.057 R)
• M2: 385,663 km (0.085 R)
• M3: 815,308 km (0.09 R)
• M4: 1,376,749 km (0.089 R)
• M5: 2,344,797 km (0.093 R)
• M6: 3,479,048 km (0.082 R)
• M7: 4,469,835 km (0.117 R)
• M8: 5,298,009 km (0.061 R)
• M9: 6,292,834 km (0.111 R)
• M10: 8,111,795 km (0.106 R)
• M11: 10,591,080 km (0.106 R)
• M12: 11,793,698 km (0.109 R)
• M13: 12,214,068 km (0.117 R)
• M14: 13,196,627 km (0.065 R)
• M15: 13,478,768 km (0.101 R)
• M16: 16,721,751 km (0.07 R)
• M17: 17,185,654 km (0.118 R)
• M18: 18,069,927 km (0.081 R)
• M19: 18,558,513 km (0.046 R)
• M20: 19,781,775 km (0.113 R)
• M21: 23,773,346 km (0.078 R)
• M22: 24,614,385 km (0.106 R)
• M23: 26,266,993 km (0.049 R)
• M24: 27,165,777 km (0.037 R)
• M25: 28,835,139 km (0.082 R)
• M26: 30,868,025 km (0.117 R)
• M27: 35,869,530 km (0.084 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 16,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit