🌌 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: 298.9

Radius: 15

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.41 AU - 0.63 AU

Year: 259 Days

Day: 14.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 52,935,201 km

• M1: 186,549 km (0.088 R)
• M2: 1,222,514 km (0.074 R)
• M3: 1,795,773 km (0.106 R)
• M4: 2,713,705 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.4

Radius: 12.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.55 AU - 0.57 AU

Year: 289 Days

Day: 7.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,935,201 km

• M1: 159,172 km (0.097 R)
• M2: 578,046 km (0.09 R)
• M3: 986,748 km (0.103 R)
• M4: 1,460,075 km (0.114 R)
• M5: 2,021,217 km (0.12 R)
• M6: 2,459,389 km (0.086 R)
• M7: 3,027,711 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.7

Radius: 13.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.51 AU - 0.63 AU

Year: 297 Days

Day: 14.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,935,201 km

• M1: 171,589 km (0.04 R)
• M2: 604,375 km (0.078 R)
• M3: 1,050,626 km (0.058 R)
• M4: 1,498,821 km (0.055 R)
• M5: 2,007,603 km (0.108 R)
• M6: 2,632,324 km (0.09 R)
• M7: 3,862,019 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.5

Radius: 8.5

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.67 AU - 0.75 AU

Year: 413 Days

Day: 12.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,935,201 km

• M1: 105,766 km (0.099 R)
• M2: 432,637 km (0.101 R)
• M3: 834,158 km (0.06 R)
• M4: 1,253,331 km (0.08 R)
• M5: 1,579,006 km (0.059 R)
• M6: 1,969,157 km (0.087 R)
• M7: 2,264,313 km (0.031 R)
• M8: 2,539,274 km (0.048 R)
• M9: 2,868,838 km (0.051 R)
• M10: 3,238,495 km (0.108 R)
• M11: 3,527,219 km (0.101 R)
• M12: 4,198,315 km (0.057 R)
• M13: 4,905,165 km (0.03 R)
• M14: 6,003,811 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.2

Radius: 14.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.26 AU - 1.46 AU

Year: 1095 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 165 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,935,201 km

• M1: 185,352 km (0.063 R)
• M2: 668,553 km (0.088 R)
• M3: 1,200,523 km (0.1 R)
• M4: 1,894,059 km (0.109 R)
• M5: 2,518,480 km (0.091 R)
• M6: 3,192,119 km (0.084 R)
• M7: 4,866,269 km (0.062 R)
• M8: 5,426,663 km (0.107 R)
• M9: 5,941,130 km (0.096 R)
• M10: 6,488,209 km (0.071 R)
• M11: 7,194,311 km (0.068 R)
• M12: 7,790,309 km (0.12 R)
• M13: 8,760,601 km (0.112 R)
• M14: 10,093,368 km (0.086 R)
• M15: 10,610,079 km (0.104 R)
• M16: 11,980,246 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 8.9

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.5 AU - 3.66 AU

Year: 3731 Days

Day: 8.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,935,201 km

• M1: 110,702 km (0.11 R)
• M2: 493,374 km (0.061 R)
• M3: 811,868 km (0.109 R)
• M4: 1,222,514 km (0.104 R)
• M5: 1,635,703 km (0.089 R)
• M6: 2,154,808 km (0.1 R)
• M7: 3,080,071 km (0.111 R)
• M8: 4,434,829 km (0.106 R)
• M9: 4,747,638 km (0.087 R)
• M10: 5,284,096 km (0.084 R)
• M11: 5,663,925 km (0.091 R)
• M12: 6,178,841 km (0.109 R)
• M13: 6,478,186 km (0.063 R)
• M14: 7,236,498 km (0.115 R)
• M15: 8,667,102 km (0.073 R)
• M16: 10,070,929 km (0.095 R)
• M17: 10,613,371 km (0.094 R)
• M18: 10,956,847 km (0.095 R)
• M19: 11,985,482 km (0.087 R)
• M20: 13,875,053 km (0.089 R)
• M21: 14,757,830 km (0.12 R)
• M22: 16,292,704 km (0.047 R)
• M23: 19,103,798 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.5

Radius: 8.9

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.02 AU - 4.94 AU

Year: 5481 Days

Day: 8.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,935,201 km

• M1: 118,332 km (0.114 R)
• M2: 810,372 km (0.042 R)
• M3: 1,343,838 km (0.06 R)
• M4: 1,634,656 km (0.073 R)
• M5: 2,333,428 km (0.119 R)
• M6: 2,616,018 km (0.051 R)
• M7: 4,098,533 km (0.056 R)
• M8: 6,456,345 km (0.09 R)
• M9: 7,554,393 km (0.099 R)
• M10: 9,872,113 km (0.059 R)
• M11: 10,727,663 km (0.085 R)
• M12: 12,956,821 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.2

Radius: 9.3

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.38 AU - 4.6 AU

Year: 6567 Days

Day: 7.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,935,201 km

• M1: 115,789 km (0.105 R)
• M2: 451,786 km (0.081 R)
• M3: 915,090 km (0.089 R)
• M4: 1,291,030 km (0.061 R)
• M5: 1,875,957 km (0.117 R)
• M6: 2,207,017 km (0.079 R)
• M7: 3,026,515 km (0.099 R)
• M8: 5,010,182 km (0.046 R)
• M9: 6,836,922 km (0.05 R)
• M10: 7,242,781 km (0.095 R)
• M11: 7,845,361 km (0.066 R)
• M12: 8,404,408 km (0.102 R)
• M13: 9,769,788 km (0.105 R)
• M14: 10,329,135 km (0.117 R)
• M15: 11,324,260 km (0.118 R)
• M16: 12,431,433 km (0.081 R)
• M17: 12,934,681 km (0.118 R)
• M18: 13,556,559 km (0.074 R)
• M19: 19,605,100 km (0.104 R)
• M20: 20,425,644 km (0.119 R)
• M21: 20,844,369 km (0.068 R)
• M22: 23,783,967 km (0.114 R)
• M23: 25,033,558 km (0.119 R)
• M24: 25,999,063 km (0.108 R)
• M25: 26,656,396 km (0.119 R)
• M26: 29,841,484 km (0.084 R)

Asteroid Belt

Center: 5.97 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.2

Radius: 7.3

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.77 AU - 9.11 AU

Year: 14008 Days

Day: 19.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,935,201 km

• M1: 90,956 km (0.106 R)
• M2: 319,691 km (0.054 R)
• M3: 580,141 km (0.109 R)
• M4: 2,375,913 km (0.103 R)
• M5: 2,660,449 km (0.099 R)
• M6: 3,759,544 km (0.071 R)
• M7: 4,906,212 km (0.086 R)
• M8: 5,167,709 km (0.107 R)
• M9: 7,141,952 km (0.106 R)
• M10: 7,825,315 km (0.115 R)
• M11: 8,092,497 km (0.093 R)
• M12: 10,454,797 km (0.072 R)
• M13: 14,336,862 km (0.098 R)
• M14: 15,214,403 km (0.056 R)
• M15: 18,528,893 km (0.061 R)
• M16: 20,145,448 km (0.089 R)
• M17: 20,395,725 km (0.101 R)
• M18: 22,206,607 km (0.097 R)
• M19: 23,288,200 km (0.074 R)
• M20: 27,760,428 km (0.119 R)
• M21: 42,186,600 km (0.092 R)
• M22: 49,979,901 km (0.117 R)
• M23: 52,460,981 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 14,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit