🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244

Radius: 10.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.69 AU - 0.79 AU

Year: 405 Days

Day: 7.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,634,981 km

• M1: 136,583 km (0.105 R)
• M2: 527,183 km (0.088 R)
• M3: 1,112,410 km (0.099 R)
• M4: 1,480,121 km (0.081 R)
• M5: 1,902,287 km (0.097 R)
• M6: 2,364,394 km (0.063 R)
• M7: 2,836,226 km (0.069 R)
• M8: 3,238,345 km (0.063 R)
• M9: 3,789,015 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.1

Radius: 12.8

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.85 AU - 0.99 AU

Year: 561 Days

Day: 6.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,634,981 km

• M1: 159,471 km (0.078 R)
• M2: 593,904 km (0.081 R)
• M3: 1,050,027 km (0.064 R)
• M4: 1,654,552 km (0.108 R)
• M5: 2,160,642 km (0.086 R)
• M6: 2,609,735 km (0.103 R)
• M7: 3,044,317 km (0.07 R)
• M8: 3,443,444 km (0.114 R)
• M9: 4,306,923 km (0.104 R)
• M10: 5,325,983 km (0.102 R)
• M11: 5,738,874 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.6

Radius: 11.9

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.63 AU - 1.79 AU

Year: 1422 Days

Day: 7 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,634,981 km

• M1: 147,952 km (0.119 R)
• M2: 632,649 km (0.117 R)
• M3: 1,026,241 km (0.093 R)
• M4: 1,420,881 km (0.071 R)
• M5: 1,950,756 km (0.094 R)
• M6: 2,480,333 km (0.111 R)
• M7: 3,030,404 km (0.111 R)
• M8: 4,809,272 km (0.12 R)
• M9: 5,946,216 km (0.118 R)
• M10: 6,628,682 km (0.097 R)
• M11: 7,068,051 km (0.118 R)
• M12: 7,976,858 km (0.091 R)
• M13: 8,414,880 km (0.053 R)
• M14: 10,194,496 km (0.111 R)
• M15: 10,606,339 km (0.118 R)
• M16: 11,463,535 km (0.109 R)
• M17: 12,874,842 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.4

Radius: 10.7

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.81 AU - 2.21 AU

Year: 1812 Days

Day: 9.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,634,981 km

• M1: 133,441 km (0.116 R)
• M2: 628,610 km (0.075 R)
• M3: 1,018,911 km (0.119 R)
• M4: 1,450,052 km (0.102 R)
• M5: 2,121,298 km (0.07 R)
• M6: 2,467,766 km (0.075 R)
• M7: 2,989,115 km (0.104 R)
• M8: 3,724,987 km (0.094 R)
• M9: 4,313,056 km (0.034 R)
• M10: 5,674,995 km (0.1 R)
• M11: 6,144,882 km (0.083 R)
• M12: 6,640,500 km (0.106 R)
• M13: 9,394,297 km (0.111 R)
• M14: 9,772,032 km (0.105 R)
• M15: 11,079,817 km (0.078 R)
• M16: 11,463,086 km (0.081 R)
• M17: 12,134,781 km (0.116 R)
• M18: 13,427,007 km (0.08 R)
• M19: 13,906,917 km (0.108 R)
• M20: 15,510,606 km (0.113 R)
• M21: 16,629,449 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.2

Radius: 10.4

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.91 AU - 2.49 AU

Year: 2075 Days

Day: 10.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,634,981 km

• M1: 129,402 km (0.098 R)
• M2: 595,400 km (0.112 R)
• M3: 990,188 km (0.094 R)
• M4: 1,691,952 km (0.101 R)
• M5: 2,785,213 km (0.107 R)
• M6: 3,659,014 km (0.104 R)
• M7: 4,396,981 km (0.105 R)
• M8: 4,898,582 km (0.091 R)
• M9: 5,231,288 km (0.032 R)
• M10: 6,066,642 km (0.102 R)
• M11: 6,424,929 km (0.089 R)
• M12: 7,498,144 km (0.09 R)
• M13: 7,881,115 km (0.065 R)
• M14: 9,961,722 km (0.032 R)
• M15: 11,319,024 km (0.1 R)
• M16: 11,863,560 km (0.12 R)
• M17: 12,384,609 km (0.03 R)
• M18: 12,879,180 km (0.109 R)
• M19: 14,487,507 km (0.038 R)
• M20: 15,176,255 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.9

Radius: 11.1

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.27 AU - 3.19 AU

Year: 2868 Days

Day: 7.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,634,981 km

• M1: 138,378 km (0.078 R)
• M2: 557,102 km (0.094 R)
• M3: 1,056,311 km (0.11 R)
• M4: 1,589,178 km (0.064 R)
• M5: 2,997,343 km (0.103 R)
• M6: 4,120,075 km (0.056 R)
• M7: 4,663,414 km (0.098 R)
• M8: 8,396,629 km (0.069 R)
• M9: 10,053,575 km (0.114 R)
• M10: 10,401,540 km (0.059 R)
• M11: 10,918,700 km (0.081 R)
• M12: 12,221,099 km (0.063 R)
• M13: 12,573,402 km (0.118 R)
• M14: 15,031,893 km (0.11 R)
• M15: 16,215,362 km (0.098 R)
• M16: 18,133,955 km (0.072 R)
• M17: 19,000,874 km (0.103 R)
• M18: 20,506,727 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693

Radius: 11.5

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.63 AU - 3.53 AU

Year: 3437 Days

Day: 9.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,634,981 km

• M1: 143,614 km (0.106 R)
• M2: 518,506 km (0.109 R)
• M3: 897,587 km (0.108 R)
• M4: 1,284,148 km (0.052 R)
• M5: 1,957,189 km (0.119 R)
• M6: 2,397,455 km (0.115 R)
• M7: 3,006,468 km (0.081 R)
• M8: 3,838,083 km (0.081 R)
• M9: 5,288,135 km (0.09 R)
• M10: 6,010,693 km (0.076 R)
• M11: 6,410,718 km (0.034 R)
• M12: 6,951,065 km (0.118 R)
• M13: 7,885,603 km (0.101 R)
• M14: 8,471,129 km (0.093 R)
• M15: 9,122,628 km (0.094 R)
• M16: 11,408,034 km (0.109 R)
• M17: 13,658,136 km (0.089 R)
• M18: 14,201,326 km (0.082 R)
• M19: 14,656,403 km (0.119 R)
• M20: 18,535,475 km (0.103 R)
• M21: 20,969,582 km (0.055 R)
• M22: 21,428,100 km (0.107 R)
• M23: 21,826,329 km (0.065 R)
• M24: 22,637,599 km (0.073 R)
• M25: 23,329,040 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.6

Radius: 7.2

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.64 AU - 7.78 AU

Year: 11051 Days

Day: 21.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,634,981 km

• M1: 90,058 km (0.117 R)
• M2: 424,708 km (0.103 R)
• M3: 767,587 km (0.07 R)
• M4: 1,371,214 km (0.085 R)
• M5: 1,739,225 km (0.084 R)
• M6: 2,560,068 km (0.091 R)
• M7: 2,993,902 km (0.098 R)
• M8: 3,384,502 km (0.093 R)
• M9: 3,983,043 km (0.09 R)
• M10: 4,428,845 km (0.11 R)
• M11: 4,965,901 km (0.089 R)
• M12: 6,237,932 km (0.049 R)
• M13: 7,556,488 km (0.08 R)
• M14: 7,793,151 km (0.094 R)
• M15: 11,596,229 km (0.104 R)
• M16: 12,286,473 km (0.114 R)
• M17: 15,449,122 km (0.044 R)
• M18: 18,114,806 km (0.104 R)
• M19: 19,482,430 km (0.113 R)
• M20: 22,340,497 km (0.119 R)
• M21: 27,643,293 km (0.095 R)
• M22: 29,940,967 km (0.03 R)
• M23: 33,515,458 km (0.112 R)
• M24: 34,370,709 km (0.039 R)
• M25: 36,124,595 km (0.076 R)
• M26: 37,136,923 km (0.067 R)
• M27: 37,592,898 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.3

Radius: 4.2

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9 AU - 9.3 AU

Year: 17598 Days

Day: 21.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,634,981 km

• M1: 54,454 km (0.11 R)
• M2: 907,461 km (0.037 R)
• M3: 1,170,304 km (0.112 R)
• M4: 1,858,305 km (0.117 R)
• M5: 2,100,504 km (0.111 R)
• M6: 13,023,093 km (0.076 R)
• M7: 15,400,951 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.1

Radius: 6.8

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.72 AU - 12.42 AU

Year: 21850 Days

Day: 22.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,634,981 km

• M1: 84,672 km (0.061 R)
• M2: 471,981 km (0.101 R)
• M3: 1,271,881 km (0.028 R)
• M4: 1,664,875 km (0.054 R)
• M5: 2,058,317 km (0.118 R)
• M6: 3,289,059 km (0.109 R)
• M7: 5,197,180 km (0.1 R)
• M8: 6,117,805 km (0.099 R)
• M9: 7,555,141 km (0.113 R)
• M10: 7,983,290 km (0.113 R)
• M11: 8,940,118 km (0.065 R)
• M12: 10,486,661 km (0.035 R)
• M13: 11,019,529 km (0.105 R)
• M14: 13,608,320 km (0.115 R)
• M15: 14,748,555 km (0.114 R)
• M16: 15,266,911 km (0.078 R)
• M17: 15,797,386 km (0.082 R)
• M18: 16,418,516 km (0.081 R)
• M19: 19,329,092 km (0.056 R)
• M20: 22,469,002 km (0.043 R)
• M21: 23,056,323 km (0.06 R)
• M22: 24,569,356 km (0.104 R)
• M23: 27,016,179 km (0.098 R)
• M24: 30,208,298 km (0.091 R)
• M25: 30,923,525 km (0.076 R)
• M26: 31,285,403 km (0.109 R)
• M27: 33,897,980 km (0.111 R)
• M28: 36,250,257 km (0.115 R)
• M29: 38,848,772 km (0.099 R)
• M30: 39,129,417 km (0.105 R)
• M31: 40,696,605 km (0.113 R)
• M32: 41,862,421 km (0.042 R)
• M33: 45,493,460 km (0.047 R)
• M34: 52,513,939 km (0.089 R)
• M35: 55,477,622 km (0.112 R)
• M36: 65,430,219 km (0.09 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 17,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit