🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.8

Radius: 11.4

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.62 AU - 0.78 AU

Year: 391 Days

Day: 7.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,554,646 km

• M1: 141,819 km (0.077 R)
• M2: 507,137 km (0.037 R)
• M3: 1,336,358 km (0.102 R)
• M4: 1,794,127 km (0.083 R)
• M5: 2,217,938 km (0.102 R)
• M6: 2,949,322 km (0.03 R)
• M7: 3,429,082 km (0.047 R)
• M8: 4,114,839 km (0.093 R)
• M9: 4,504,691 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.9

Radius: 14.1

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.9 AU - 0.96 AU

Year: 598 Days

Day: 14.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,554,646 km

• M1: 175,628 km (0.065 R)
• M2: 680,072 km (0.103 R)
• M3: 1,353,711 km (0.102 R)
• M4: 2,046,499 km (0.079 R)
• M5: 2,487,214 km (0.083 R)
• M6: 2,956,503 km (0.046 R)
• M7: 3,512,109 km (0.119 R)
• M8: 4,003,389 km (0.085 R)
• M9: 6,388,427 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.5

Radius: 8.8

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.39 AU - 1.59 AU

Year: 1213 Days

Day: 7 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,554,646 km

• M1: 109,655 km (0.045 R)
• M2: 406,757 km (0.115 R)
• M3: 715,377 km (0.086 R)
• M4: 1,488,798 km (0.095 R)
• M5: 1,997,132 km (0.114 R)
• M6: 2,888,735 km (0.098 R)
• M7: 3,165,641 km (0.091 R)
• M8: 4,203,700 km (0.097 R)
• M9: 4,613,299 km (0.092 R)
• M10: 5,453,441 km (0.037 R)
• M11: 7,051,744 km (0.119 R)
• M12: 7,434,715 km (0.049 R)
• M13: 8,479,656 km (0.111 R)
• M14: 8,830,613 km (0.064 R)
• M15: 9,191,293 km (0.032 R)
• M16: 9,853,413 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302

Radius: 13.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.3 AU - 1.78 AU

Year: 1274 Days

Day: 14.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,554,646 km

• M1: 171,589 km (0.062 R)
• M2: 623,524 km (0.062 R)
• M3: 1,101,040 km (0.082 R)
• M4: 1,544,598 km (0.107 R)
• M5: 2,189,514 km (0.034 R)
• M6: 2,650,276 km (0.066 R)
• M7: 3,255,100 km (0.09 R)
• M8: 3,996,806 km (0.077 R)
• M9: 4,474,472 km (0.111 R)
• M10: 4,919,227 km (0.088 R)
• M11: 6,414,009 km (0.103 R)
• M12: 6,914,563 km (0.108 R)
• M13: 8,143,659 km (0.079 R)
• M14: 8,653,339 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.7

Radius: 10.3

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.28 AU - 3.76 AU

Year: 4404 Days

Day: 14.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 105.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,554,646 km

• M1: 129,253 km (0.108 R)
• M2: 482,752 km (0.088 R)
• M3: 813,663 km (0.106 R)
• M4: 1,571,376 km (0.118 R)
• M5: 1,930,860 km (0.119 R)
• M6: 2,873,476 km (0.105 R)
• M7: 3,542,328 km (0.094 R)
• M8: 4,028,371 km (0.067 R)
• M9: 4,840,538 km (0.104 R)
• M10: 6,463,974 km (0.089 R)
• M11: 7,157,510 km (0.108 R)
• M12: 7,682,748 km (0.101 R)
• M13: 9,291,225 km (0.102 R)
• M14: 9,621,387 km (0.052 R)
• M15: 12,353,942 km (0.113 R)
• M16: 13,007,834 km (0.116 R)
• M17: 13,473,981 km (0.049 R)
• M18: 14,827,393 km (0.1 R)
• M19: 15,973,761 km (0.119 R)
• M20: 17,178,323 km (0.104 R)
• M21: 17,739,764 km (0.116 R)
• M22: 22,237,275 km (0.111 R)
• M23: 23,204,874 km (0.081 R)
• M24: 26,938,238 km (0.073 R)
• M25: 27,526,457 km (0.057 R)
• M26: 28,037,483 km (0.051 R)
• M27: 29,608,710 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.9

Radius: 10.3

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.93 AU - 6.39 AU

Year: 7816 Days

Day: 9.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,554,646 km

• M1: 132,544 km (0.04 R)
• M2: 483,800 km (0.116 R)
• M3: 976,874 km (0.118 R)
• M4: 1,344,735 km (0.033 R)
• M5: 1,674,898 km (0.087 R)
• M6: 2,242,921 km (0.113 R)
• M7: 2,973,407 km (0.079 R)
• M8: 3,675,021 km (0.11 R)
• M9: 4,357,487 km (0.04 R)
• M10: 4,957,075 km (0.089 R)
• M11: 5,406,018 km (0.086 R)
• M12: 6,005,307 km (0.115 R)
• M13: 6,952,262 km (0.058 R)
• M14: 10,079,605 km (0.1 R)
• M15: 10,848,389 km (0.091 R)
• M16: 14,262,511 km (0.094 R)
• M17: 15,642,402 km (0.082 R)
• M18: 17,046,528 km (0.077 R)
• M19: 18,006,348 km (0.063 R)
• M20: 19,824,261 km (0.073 R)
• M21: 21,393,543 km (0.114 R)
• M22: 22,890,569 km (0.091 R)
• M23: 26,259,662 km (0.093 R)
• M24: 26,681,678 km (0.078 R)
• M25: 27,625,790 km (0.1 R)
• M26: 29,671,690 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.5

Radius: 5.3

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.23 AU - 8.33 AU

Year: 14471 Days

Day: 18.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,554,646 km

• M1: 66,122 km (0.117 R)
• M2: 249,679 km (0.084 R)
• M3: 486,492 km (0.069 R)
• M4: 1,024,147 km (0.071 R)
• M5: 1,460,823 km (0.047 R)
• M6: 1,805,796 km (0.062 R)
• M7: 2,154,957 km (0.111 R)
• M8: 2,639,206 km (0.071 R)
• M9: 4,344,173 km (0.041 R)
• M10: 6,883,297 km (0.093 R)
• M11: 7,503,829 km (0.102 R)
• M12: 8,121,220 km (0.057 R)
• M13: 9,722,366 km (0.1 R)
• M14: 10,361,747 km (0.11 R)
• M15: 13,201,862 km (0.103 R)
• M16: 15,399,904 km (0.104 R)
• M17: 15,891,931 km (0.061 R)
• M18: 17,696,531 km (0.068 R)
• M19: 19,633,225 km (0.064 R)
• M20: 25,851,110 km (0.12 R)
• M21: 27,074,522 km (0.113 R)
• M22: 28,336,230 km (0.032 R)
• M23: 31,170,661 km (0.057 R)
• M24: 32,455,557 km (0.102 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 10,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit