🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.1

Radius: 11.8

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.49 AU - 0.61 AU

Year: 272 Days

Day: 8.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,738,504 km

• M1: 147,055 km (0.115 R)
• M2: 592,856 km (0.057 R)
• M3: 1,054,665 km (0.06 R)
• M4: 1,607,429 km (0.066 R)
• M5: 2,185,625 km (0.082 R)
• M6: 2,654,465 km (0.114 R)
• M7: 3,727,381 km (0.071 R)
• M8: 4,247,981 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.2

Radius: 8.9

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.14 AU - 1.36 AU

Year: 932 Days

Day: 5.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,738,504 km

• M1: 112,498 km (0.116 R)
• M2: 1,037,312 km (0.114 R)
• M3: 1,349,822 km (0.072 R)
• M4: 1,691,204 km (0.104 R)
• M5: 2,187,270 km (0.097 R)
• M6: 2,542,266 km (0.1 R)
• M7: 2,836,076 km (0.12 R)
• M8: 3,380,313 km (0.08 R)
• M9: 3,701,351 km (0.102 R)
• M10: 3,992,618 km (0.055 R)
• M11: 4,690,940 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443

Radius: 10.3

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.91 AU - 2.37 AU

Year: 2088 Days

Day: 14 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,738,504 km

• M1: 271,819 km (0.101 R)
• M2: 764,146 km (0.044 R)
• M3: 1,648,569 km (0.065 R)
• M4: 2,012,391 km (0.065 R)
• M5: 2,546,904 km (0.077 R)
• M6: 2,993,304 km (0.114 R)
• M7: 3,557,437 km (0.107 R)
• M8: 4,062,330 km (0.118 R)
• M9: 5,892,810 km (0.083 R)
• M10: 6,963,332 km (0.091 R)
• M11: 8,882,972 km (0.103 R)
• M12: 9,781,307 km (0.079 R)
• M13: 10,952,359 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.4

Radius: 13.7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.63 AU - 2.69 AU

Year: 2893 Days

Day: 5.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,738,504 km

• M1: 170,392 km (0.039 R)
• M2: 895,194 km (0.041 R)
• M3: 1,557,463 km (0.08 R)
• M4: 2,236,937 km (0.097 R)
• M5: 2,732,256 km (0.101 R)
• M6: 3,464,238 km (0.038 R)
• M7: 4,091,502 km (0.091 R)
• M8: 4,724,301 km (0.102 R)
• M9: 5,396,893 km (0.105 R)
• M10: 5,942,476 km (0.1 R)
• M11: 6,874,471 km (0.055 R)
• M12: 7,772,058 km (0.12 R)
• M13: 8,199,160 km (0.051 R)
• M14: 9,100,786 km (0.119 R)
• M15: 9,800,605 km (0.095 R)
• M16: 10,655,557 km (0.066 R)
• M17: 11,857,875 km (0.057 R)
• M18: 12,425,450 km (0.107 R)
• M19: 13,757,170 km (0.117 R)
• M20: 14,630,223 km (0.081 R)
• M21: 16,380,219 km (0.115 R)
• M22: 17,696,830 km (0.103 R)
• M23: 18,846,938 km (0.114 R)
• M24: 21,487,939 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.2

Radius: 14.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.66 AU - 2.88 AU

Year: 3074 Days

Day: 7.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,738,504 km

• M1: 179,667 km (0.104 R)
• M2: 755,020 km (0.084 R)
• M3: 2,543,313 km (0.116 R)
• M4: 3,443,593 km (0.094 R)
• M5: 4,888,559 km (0.093 R)
• M6: 6,040,912 km (0.041 R)
• M7: 7,504,577 km (0.094 R)
• M8: 8,514,064 km (0.05 R)
• M9: 9,743,459 km (0.119 R)
• M10: 11,052,291 km (0.105 R)
• M11: 12,632,044 km (0.082 R)
• M12: 14,616,610 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517

Radius: 8.1

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.39 AU - 3.79 AU

Year: 4536 Days

Day: 13.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,738,504 km

• M1: 101,876 km (0.032 R)
• M2: 381,475 km (0.086 R)
• M3: 694,882 km (0.072 R)
• M4: 1,210,546 km (0.094 R)
• M5: 1,622,987 km (0.063 R)
• M6: 1,948,213 km (0.089 R)
• M7: 3,083,212 km (0.05 R)
• M8: 3,899,867 km (0.097 R)
• M9: 4,680,469 km (0.055 R)
• M10: 5,108,019 km (0.088 R)
• M11: 5,925,871 km (0.111 R)
• M12: 6,955,104 km (0.08 R)
• M13: 8,170,138 km (0.094 R)
• M14: 10,290,688 km (0.079 R)
• M15: 11,725,780 km (0.117 R)
• M16: 12,420,363 km (0.037 R)
• M17: 15,095,173 km (0.044 R)
• M18: 17,000,152 km (0.119 R)
• M19: 18,871,771 km (0.111 R)
• M20: 20,280,535 km (0.104 R)
• M21: 20,809,812 km (0.096 R)
• M22: 21,552,565 km (0.1 R)
• M23: 23,234,344 km (0.066 R)
• M24: 24,107,248 km (0.088 R)
• M25: 24,551,853 km (0.031 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886

Radius: 13.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.33 AU - 7.13 AU

Year: 9147 Days

Day: 7.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,738,504 km

• M1: 172,935 km (0.094 R)
• M2: 702,212 km (0.108 R)
• M3: 3,527,967 km (0.08 R)
• M4: 4,914,888 km (0.072 R)
• M5: 6,156,551 km (0.111 R)
• M6: 7,473,461 km (0.111 R)
• M7: 8,465,744 km (0.091 R)
• M8: 9,254,274 km (0.057 R)
• M9: 10,502,369 km (0.084 R)
• M10: 14,658,946 km (0.053 R)
• M11: 18,248,098 km (0.086 R)
• M12: 18,859,953 km (0.072 R)
• M13: 19,723,432 km (0.064 R)
• M14: 26,329,973 km (0.116 R)
• M15: 29,133,886 km (0.039 R)
• M16: 29,970,138 km (0.096 R)
• M17: 33,249,922 km (0.076 R)
• M18: 34,742,759 km (0.068 R)
• M19: 37,126,003 km (0.108 R)
• M20: 37,615,487 km (0.03 R)
• M21: 41,555,895 km (0.051 R)
• M22: 44,376,563 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.3

Radius: 5.3

Gravity: 24.47 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.39 AU - 7.23 AU

Year: 11851 Days

Day: 24.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,738,504 km

• M1: 65,973 km (0.094 R)
• M2: 343,776 km (0.041 R)
• M3: 555,906 km (0.066 R)
• M4: 1,515,127 km (0.113 R)
• M5: 1,775,727 km (0.107 R)
• M6: 2,231,851 km (0.099 R)
• M7: 2,941,842 km (0.052 R)
• M8: 5,462,417 km (0.119 R)
• M9: 6,303,456 km (0.1 R)
• M10: 6,978,292 km (0.051 R)
• M11: 7,312,045 km (0.075 R)
• M12: 7,525,970 km (0.115 R)
• M13: 8,564,478 km (0.113 R)
• M14: 9,953,494 km (0.09 R)
• M15: 13,106,718 km (0.098 R)
• M16: 14,069,979 km (0.111 R)
• M17: 15,010,800 km (0.097 R)
• M18: 15,637,316 km (0.106 R)
• M19: 16,281,035 km (0.095 R)
• M20: 21,992,084 km (0.12 R)
• M21: 22,169,956 km (0.093 R)
• M22: 25,146,504 km (0.067 R)
• M23: 27,752,948 km (0.119 R)
• M24: 28,273,998 km (0.05 R)
• M25: 29,335,694 km (0.108 R)
• M26: 32,679,804 km (0.107 R)
• M27: 33,260,843 km (0.102 R)
• M28: 33,612,697 km (0.074 R)
• M29: 36,145,838 km (0.08 R)
• M30: 40,245,866 km (0.107 R)
• M31: 41,588,208 km (0.069 R)
• M32: 44,078,863 km (0.073 R)
• M33: 47,998,626 km (0.082 R)
• M34: 53,738,547 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 12,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit