🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.3

Radius: 14.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.94 AU - 1.16 AU

Year: 695 Days

Day: 12.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,855,670 km

• M1: 182,809 km (0.104 R)
• M2: 771,476 km (0.096 R)
• M3: 1,277,117 km (0.113 R)
• M4: 1,858,604 km (0.108 R)
• M5: 2,325,349 km (0.056 R)
• M6: 2,824,109 km (0.113 R)
• M7: 3,287,712 km (0.088 R)
• M8: 3,935,920 km (0.095 R)
• M9: 4,452,781 km (0.09 R)
• M10: 5,528,988 km (0.026 R)
• M11: 6,514,090 km (0.104 R)
• M12: 7,241,435 km (0.113 R)
• M13: 8,345,168 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.1

Radius: 14.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1 AU - 1.22 AU

Year: 755 Days

Day: 6 Hours

Environment

Temp: -168 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,855,670 km

• M1: 177,872 km (0.112 R)
• M2: 652,696 km (0.077 R)
• M3: 1,279,361 km (0.116 R)
• M4: 2,009,847 km (0.072 R)
• M5: 2,940,795 km (0.063 R)
• M6: 3,443,743 km (0.095 R)
• M7: 4,143,412 km (0.116 R)
• M8: 4,625,716 km (0.112 R)
• M9: 5,277,663 km (0.093 R)
• M10: 5,793,028 km (0.113 R)
• M11: 6,285,504 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.2

Radius: 11

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.67 AU - 1.71 AU

Year: 1419 Days

Day: 9.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,855,670 km

• M1: 136,882 km (0.112 R)
• M2: 565,929 km (0.057 R)
• M3: 1,006,794 km (0.108 R)
• M4: 1,430,754 km (0.095 R)
• M5: 1,845,589 km (0.116 R)
• M6: 2,504,717 km (0.08 R)
• M7: 2,963,384 km (0.108 R)
• M8: 3,477,851 km (0.067 R)
• M9: 3,837,335 km (0.114 R)
• M10: 4,705,451 km (0.077 R)
• M11: 6,521,869 km (0.054 R)
• M12: 7,295,140 km (0.118 R)
• M13: 7,835,039 km (0.103 R)
• M14: 8,209,482 km (0.115 R)
• M15: 8,937,126 km (0.118 R)
• M16: 9,555,564 km (0.062 R)
• M17: 10,265,555 km (0.069 R)
• M18: 10,780,023 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.2

Radius: 12.6

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.59 AU - 2.67 AU

Year: 2754 Days

Day: 11.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,855,670 km

• M1: 159,023 km (0.106 R)
• M2: 596,896 km (0.025 R)
• M3: 994,975 km (0.117 R)
• M4: 1,398,890 km (0.117 R)
• M5: 2,118,904 km (0.117 R)
• M6: 3,462,293 km (0.032 R)
• M7: 4,196,519 km (0.072 R)
• M8: 4,763,795 km (0.066 R)
• M9: 5,502,060 km (0.05 R)
• M10: 7,062,515 km (0.115 R)
• M11: 7,502,483 km (0.073 R)
• M12: 8,535,606 km (0.084 R)
• M13: 9,554,966 km (0.057 R)
• M14: 10,691,909 km (0.092 R)
• M15: 12,123,112 km (0.065 R)
• M16: 13,014,865 km (0.073 R)
• M17: 13,588,573 km (0.103 R)
• M18: 15,607,247 km (0.081 R)
• M19: 16,003,831 km (0.053 R)
• M20: 16,458,010 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.8

Radius: 11.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.52 AU - 3.08 AU

Year: 3025 Days

Day: 8.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,855,670 km

• M1: 138,079 km (0.049 R)
• M2: 592,258 km (0.114 R)
• M3: 995,424 km (0.101 R)
• M4: 1,615,507 km (0.103 R)
• M5: 2,426,029 km (0.037 R)
• M6: 3,109,990 km (0.052 R)
• M7: 3,628,496 km (0.099 R)
• M8: 4,145,656 km (0.062 R)
• M9: 5,514,327 km (0.109 R)
• M10: 6,174,503 km (0.107 R)
• M11: 6,537,128 km (0.102 R)
• M12: 6,913,965 km (0.071 R)
• M13: 7,362,459 km (0.065 R)
• M14: 8,071,553 km (0.078 R)
• M15: 8,569,265 km (0.096 R)
• M16: 8,923,214 km (0.071 R)
• M17: 9,557,658 km (0.113 R)
• M18: 10,008,846 km (0.084 R)
• M19: 10,730,805 km (0.098 R)
• M20: 11,448,575 km (0.066 R)
• M21: 12,197,911 km (0.092 R)
• M22: 13,533,671 km (0.086 R)
• M23: 13,882,383 km (0.1 R)
• M24: 16,248,423 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.8

Radius: 3

Gravity: 37.09 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.87 AU - 6.17 AU

Year: 9537 Days

Day: 19.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,855,670 km

• M1: 37,549 km (0.099 R)
• M2: 458,667 km (0.037 R)
• M3: 642,672 km (0.102 R)
• M4: 838,795 km (0.059 R)
• M5: 1,629,570 km (0.029 R)
• M6: 2,202,978 km (0.034 R)
• M7: 2,879,609 km (0.115 R)
• M8: 2,980,738 km (0.119 R)
• M9: 3,900,764 km (0.041 R)
• M10: 4,280,145 km (0.091 R)
• M11: 5,565,490 km (0.118 R)
• M12: 6,144,583 km (0.114 R)
• M13: 6,312,432 km (0.119 R)
• M14: 7,308,903 km (0.051 R)
• M15: 8,907,805 km (0.109 R)
• M16: 9,036,310 km (0.113 R)
• M17: 10,343,646 km (0.116 R)
• M18: 11,365,549 km (0.071 R)
• M19: 13,326,178 km (0.103 R)
• M20: 14,123,385 km (0.114 R)
• M21: 16,318,136 km (0.117 R)
• M22: 16,834,847 km (0.051 R)
• M23: 17,031,418 km (0.117 R)
• M24: 20,166,990 km (0.105 R)
• M25: 30,652,005 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.1

Radius: 4.9

Gravity: 20.04 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.93 AU - 8.31 AU

Year: 14940 Days

Day: 15.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,855,670 km

• M1: 61,036 km (0.092 R)
• M2: 216,917 km (0.079 R)
• M3: 547,229 km (0.081 R)
• M4: 1,016,218 km (0.104 R)
• M5: 1,335,011 km (0.112 R)
• M6: 2,133,415 km (0.095 R)
• M7: 2,994,052 km (0.063 R)
• M8: 3,235,054 km (0.086 R)
• M9: 4,007,727 km (0.032 R)
• M10: 8,819,243 km (0.114 R)
• M11: 13,902,729 km (0.099 R)
• M12: 15,055,530 km (0.113 R)
• M13: 18,174,496 km (0.09 R)
• M14: 18,572,276 km (0.069 R)
• M15: 19,467,919 km (0.105 R)
• M16: 21,609,712 km (0.079 R)
• M17: 28,538,935 km (0.039 R)
• M18: 28,968,281 km (0.081 R)
• M19: 31,864,346 km (0.098 R)
• M20: 32,910,185 km (0.086 R)
• M21: 33,739,257 km (0.057 R)
• M22: 39,803,057 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210

Radius: 6

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.58 AU - 10.38 AU

Year: 15944 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,855,670 km

• M1: 74,649 km (0.116 R)
• M2: 283,488 km (0.117 R)
• M3: 476,619 km (0.088 R)
• M4: 1,000,511 km (0.099 R)
• M5: 1,275,471 km (0.057 R)
• M6: 2,011,643 km (0.042 R)
• M7: 2,378,307 km (0.114 R)
• M8: 2,607,341 km (0.102 R)
• M9: 3,877,278 km (0.12 R)
• M10: 6,089,681 km (0.076 R)
• M11: 6,780,224 km (0.088 R)
• M12: 9,072,961 km (0.116 R)
• M13: 9,350,765 km (0.074 R)
• M14: 10,569,838 km (0.109 R)
• M15: 10,825,800 km (0.068 R)
• M16: 12,850,457 km (0.063 R)
• M17: 13,319,147 km (0.111 R)
• M18: 16,786,676 km (0.114 R)
• M19: 17,346,771 km (0.052 R)
• M20: 17,847,026 km (0.094 R)
• M21: 20,022,478 km (0.093 R)
• M22: 20,572,998 km (0.05 R)
• M23: 22,536,919 km (0.091 R)
• M24: 22,961,179 km (0.086 R)
• M25: 36,185,780 km (0.073 R)
• M26: 38,189,344 km (0.079 R)
• M27: 39,893,863 km (0.071 R)
• M28: 40,265,613 km (0.079 R)
• M29: 41,142,107 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.3

Radius: 5.5

Gravity: 23.08 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.43 AU - 10.07 AU

Year: 16712 Days

Day: 16.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,855,670 km

• M1: 69,114 km (0.109 R)
• M2: 266,883 km (0.076 R)
• M3: 464,202 km (0.067 R)
• M4: 1,128,866 km (0.109 R)
• M5: 1,689,558 km (0.028 R)
• M6: 2,831,140 km (0.112 R)
• M7: 7,069,846 km (0.076 R)
• M8: 11,359,864 km (0.108 R)
• M9: 11,733,559 km (0.119 R)
• M10: 21,033,909 km (0.06 R)
• M11: 21,691,990 km (0.057 R)
• M12: 23,748,512 km (0.063 R)
• M13: 24,771,911 km (0.067 R)
• M14: 29,743,348 km (0.111 R)
• M15: 30,333,661 km (0.051 R)
• M16: 32,773,303 km (0.104 R)
• M17: 36,673,170 km (0.038 R)
• M18: 43,085,832 km (0.099 R)
• M19: 64,140,835 km (0.087 R)
• M20: 64,927,869 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573

Radius: 3.1

Gravity: 59.63 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.81 AU - 10.31 AU

Year: 17608 Days

Day: 19.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,855,670 km

• M1: 69,713 km (0.074 R)
• M2: 373,396 km (0.063 R)
• M3: 1,437,486 km (0.04 R)
• M4: 2,115,314 km (0.12 R)
• M5: 2,447,122 km (0.073 R)
• M6: 4,708,743 km (0.038 R)
• M7: 5,055,510 km (0.03 R)
• M8: 5,721,969 km (0.113 R)
• M9: 8,514,961 km (0.097 R)
• M10: 12,813,955 km (0.102 R)
• M11: 14,255,032 km (0.099 R)
• M12: 15,422,942 km (0.096 R)
• M13: 16,184,395 km (0.107 R)
• M14: 26,172,297 km (0.071 R)
• M15: 32,365,948 km (0.065 R)
• M16: 37,808,169 km (0.086 R)
• M17: 38,632,154 km (0.07 R)
• M18: 42,488,787 km (0.102 R)
• M19: 46,908,357 km (0.085 R)
• M20: 51,122,679 km (0.084 R)
• M21: 59,000,203 km (0.101 R)
• M22: 62,555,696 km (0.114 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: 511 - 16,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit