🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.8

Radius: 10.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.18 AU - 1.44 AU

Year: 1000 Days

Day: 7.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,521,924 km

• M1: 134,339 km (0.03 R)
• M2: 521,199 km (0.099 R)
• M3: 868,416 km (0.106 R)
• M4: 1,759,121 km (0.117 R)
• M5: 2,210,009 km (0.076 R)
• M6: 2,567,548 km (0.089 R)
• M7: 5,084,084 km (0.113 R)
• M8: 5,523,303 km (0.075 R)
• M9: 5,948,011 km (0.106 R)
• M10: 6,929,074 km (0.117 R)
• M11: 7,493,208 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.6

Radius: 11.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.73 AU - 2.05 AU

Year: 1733 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,521,924 km

• M1: 147,952 km (0.071 R)
• M2: 1,459,477 km (0.041 R)
• M3: 1,896,452 km (0.116 R)
• M4: 2,267,754 km (0.101 R)
• M5: 3,201,843 km (0.116 R)
• M6: 4,014,758 km (0.057 R)
• M7: 5,128,514 km (0.118 R)
• M8: 6,526,656 km (0.095 R)
• M9: 7,435,463 km (0.117 R)
• M10: 9,051,419 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.7

Radius: 13

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.07 AU - 2.67 AU

Year: 2433 Days

Day: 13.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,521,924 km

• M1: 161,715 km (0.114 R)
• M2: 578,345 km (0.119 R)
• M3: 1,154,297 km (0.05 R)
• M4: 1,718,431 km (0.11 R)
• M5: 2,128,628 km (0.103 R)
• M6: 3,138,115 km (0.119 R)
• M7: 3,794,400 km (0.1 R)
• M8: 4,368,856 km (0.097 R)
• M9: 4,817,201 km (0.046 R)
• M10: 5,382,831 km (0.097 R)
• M11: 6,954,356 km (0.118 R)
• M12: 8,904,963 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78

Radius: 12.5

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.18 AU - 3.26 AU

Year: 2991 Days

Day: 12.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,521,924 km

• M1: 155,432 km (0.04 R)
• M2: 2,152,713 km (0.118 R)
• M3: 2,571,587 km (0.083 R)
• M4: 3,261,832 km (0.118 R)
• M5: 3,666,494 km (0.108 R)
• M6: 5,357,249 km (0.094 R)
• M7: 6,157,748 km (0.074 R)
• M8: 8,204,546 km (0.043 R)
• M9: 9,908,316 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.3

Radius: 11.2

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.12 AU - 3.76 AU

Year: 4255 Days

Day: 8.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,521,924 km

• M1: 142,866 km (0.12 R)
• M2: 554,260 km (0.09 R)
• M3: 930,798 km (0.112 R)
• M4: 1,485,507 km (0.097 R)
• M5: 1,859,202 km (0.06 R)
• M6: 2,340,907 km (0.102 R)
• M7: 2,853,280 km (0.089 R)
• M8: 3,323,915 km (0.107 R)
• M9: 4,284,034 km (0.051 R)
• M10: 5,719,426 km (0.112 R)
• M11: 6,203,973 km (0.116 R)
• M12: 6,840,363 km (0.101 R)
• M13: 7,553,047 km (0.106 R)
• M14: 8,172,532 km (0.095 R)
• M15: 8,937,725 km (0.096 R)
• M16: 11,168,528 km (0.081 R)
• M17: 11,881,811 km (0.111 R)
• M18: 13,251,679 km (0.106 R)
• M19: 15,042,066 km (0.091 R)
• M20: 16,134,878 km (0.093 R)
• M21: 17,692,940 km (0.065 R)
• M22: 20,508,970 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.4

Radius: 11.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.81 AU - 4.49 AU

Year: 5638 Days

Day: 5.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,521,924 km

• M1: 145,559 km (0.111 R)
• M2: 667,057 km (0.051 R)
• M3: 1,035,217 km (0.094 R)
• M4: 1,730,548 km (0.101 R)
• M5: 2,134,911 km (0.086 R)
• M6: 2,586,697 km (0.113 R)
• M7: 2,958,148 km (0.1 R)
• M8: 4,181,111 km (0.076 R)
• M9: 4,551,964 km (0.08 R)
• M10: 5,280,805 km (0.06 R)
• M11: 5,827,735 km (0.052 R)
• M12: 6,907,382 km (0.082 R)
• M13: 7,905,200 km (0.102 R)
• M14: 10,435,798 km (0.084 R)
• M15: 11,122,602 km (0.055 R)
• M16: 12,682,010 km (0.082 R)
• M17: 13,216,373 km (0.08 R)
• M18: 14,750,649 km (0.11 R)
• M19: 16,514,707 km (0.097 R)
• M20: 16,976,815 km (0.087 R)
• M21: 17,626,369 km (0.109 R)
• M22: 18,170,157 km (0.099 R)
• M23: 19,354,823 km (0.106 R)
• M24: 21,261,298 km (0.059 R)
• M25: 21,670,748 km (0.107 R)
• M26: 22,225,008 km (0.09 R)
• M27: 24,462,693 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.6

Radius: 9.1

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.99 AU - 4.75 AU

Year: 6092 Days

Day: 5.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,521,924 km

• M1: 115,789 km (0.116 R)
• M2: 429,944 km (0.114 R)
• M3: 731,982 km (0.067 R)
• M4: 1,277,715 km (0.098 R)
• M5: 1,571,526 km (0.077 R)
• M6: 2,169,768 km (0.113 R)
• M7: 2,703,084 km (0.112 R)
• M8: 3,768,670 km (0.083 R)
• M9: 4,383,517 km (0.114 R)
• M10: 4,866,568 km (0.103 R)
• M11: 5,149,907 km (0.055 R)
• M12: 7,455,060 km (0.065 R)
• M13: 7,987,479 km (0.117 R)
• M14: 8,875,043 km (0.068 R)
• M15: 9,299,602 km (0.049 R)
• M16: 12,086,461 km (0.119 R)
• M17: 12,714,622 km (0.085 R)
• M18: 14,093,167 km (0.083 R)
• M19: 14,671,662 km (0.119 R)
• M20: 15,265,864 km (0.11 R)
• M21: 16,249,770 km (0.08 R)
• M22: 21,431,690 km (0.049 R)
• M23: 27,084,994 km (0.081 R)
• M24: 29,543,784 km (0.086 R)
• M25: 34,796,166 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276

Radius: 6.9

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.04 AU - 7.76 AU

Year: 12087 Days

Day: 18.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,521,924 km

• M1: 88,113 km (0.114 R)
• M2: 704,606 km (0.058 R)
• M3: 1,135,897 km (0.1 R)
• M4: 1,633,609 km (0.108 R)
• M5: 2,250,850 km (0.12 R)
• M6: 2,848,493 km (0.1 R)
• M7: 4,012,963 km (0.116 R)
• M8: 4,408,948 km (0.1 R)
• M9: 8,572,108 km (0.052 R)
• M10: 14,372,017 km (0.046 R)
• M11: 15,743,680 km (0.077 R)
• M12: 25,939,373 km (0.06 R)
• M13: 30,392,303 km (0.07 R)
• M14: 31,503,367 km (0.081 R)
• M15: 38,627,517 km (0.083 R)
• M16: 38,862,385 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.3

Radius: 3.6

Gravity: 41 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.27 AU - 8.49 AU

Year: 16177 Days

Day: 15 Hours

Environment

Temp: -240 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,521,924 km

• M1: 48,320 km (0.077 R)
• M2: 207,642 km (0.12 R)
• M3: 1,333,665 km (0.1 R)
• M4: 1,478,476 km (0.099 R)
• M5: 2,184,727 km (0.055 R)
• M6: 2,578,618 km (0.116 R)
• M7: 3,346,205 km (0.082 R)
• M8: 3,955,218 km (0.118 R)
• M9: 4,073,400 km (0.114 R)
• M10: 4,569,916 km (0.117 R)
• M11: 4,832,909 km (0.099 R)
• M12: 6,181,683 km (0.111 R)
• M13: 6,878,061 km (0.117 R)
• M14: 9,647,267 km (0.109 R)
• M15: 10,245,061 km (0.032 R)
• M16: 15,426,532 km (0.069 R)
• M17: 19,451,912 km (0.119 R)
• M18: 20,756,854 km (0.068 R)
• M19: 22,211,993 km (0.078 R)
• M20: 22,774,780 km (0.12 R)
• M21: 37,025,922 km (0.106 R)
• M22: 40,951,220 km (0.083 R)
• M23: 45,294,346 km (0.063 R)
• M24: 47,886,727 km (0.07 R)
• M25: 48,198,040 km (0.056 R)
• M26: 49,615,779 km (0.059 R)
• M27: 51,876,054 km (0.044 R)
• M28: 57,648,886 km (0.051 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.1

Radius: 5.4

Gravity: 22.57 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.92 AU - 10.7 AU

Year: 17438 Days

Day: 17 Hours

Environment

Temp: -237 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 68,521,924 km

• M1: 67,169 km (0.069 R)
• M2: 235,617 km (0.109 R)
• M3: 486,642 km (0.108 R)
• M4: 747,541 km (0.103 R)
• M5: 944,262 km (0.101 R)
• M6: 1,149,660 km (0.085 R)
• M7: 1,602,343 km (0.108 R)
• M8: 1,842,447 km (0.105 R)
• M9: 2,438,894 km (0.037 R)
• M10: 3,260,934 km (0.084 R)
• M11: 3,882,962 km (0.102 R)
• M12: 4,448,293 km (0.093 R)
• M13: 5,359,344 km (0.057 R)
• M14: 5,780,013 km (0.11 R)
• M15: 7,039,178 km (0.099 R)
• M16: 7,925,097 km (0.1 R)
• M17: 8,170,138 km (0.081 R)
• M18: 8,727,091 km (0.107 R)
• M19: 9,692,446 km (0.105 R)
• M20: 10,200,929 km (0.046 R)
• M21: 12,677,821 km (0.113 R)
• M22: 26,261,906 km (0.104 R)
• M23: 26,697,236 km (0.069 R)
• M24: 27,582,407 km (0.106 R)
• M25: 27,806,654 km (0.114 R)
• M26: 28,831,100 km (0.109 R)
• M27: 29,062,229 km (0.087 R)
• M28: 30,955,091 km (0.057 R)
• M29: 31,319,062 km (0.08 R)
• M30: 32,055,233 km (0.075 R)
• M31: 32,677,560 km (0.106 R)
• M32: 33,181,257 km (0.073 R)
• M33: 33,946,300 km (0.094 R)
• M34: 34,853,761 km (0.103 R)
• M35: 35,379,448 km (0.096 R)
• M36: 36,717,002 km (0.094 R)
• M37: 44,218,587 km (0.118 R)
• M38: 45,926,546 km (0.079 R)
• M39: 50,471,330 km (0.064 R)
• M40: 50,975,474 km (0.093 R)
• M41: 54,598,136 km (0.073 R)
• M42: 63,125,514 km (0.03 R)
• M43: 65,686,929 km (0.111 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: 293 - 10,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit