🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.1

Radius: 12.1

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.73 AU - 1.89 AU

Year: 1572 Days

Day: 7.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,490,372 km

• M1: 150,645 km (0.097 R)
• M2: 577,897 km (0.118 R)
• M3: 1,226,553 km (0.065 R)
• M4: 1,649,915 km (0.071 R)
• M5: 2,090,929 km (0.12 R)
• M6: 4,261,146 km (0.117 R)
• M7: 5,167,858 km (0.096 R)
• M8: 6,828,694 km (0.074 R)
• M9: 7,253,702 km (0.105 R)
• M10: 7,982,094 km (0.117 R)
• M11: 8,758,806 km (0.12 R)
• M12: 9,325,482 km (0.066 R)
• M13: 10,085,140 km (0.111 R)
• M14: 10,672,761 km (0.075 R)
• M15: 11,137,412 km (0.087 R)
• M16: 12,300,236 km (0.025 R)
• M17: 12,771,469 km (0.096 R)
• M18: 14,258,173 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.9

Radius: 10.4

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.77 AU - 2.87 AU

Year: 2282 Days

Day: 12.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,490,372 km

• M1: 129,402 km (0.076 R)
• M2: 821,442 km (0.102 R)
• M3: 1,156,541 km (0.05 R)
• M4: 1,595,910 km (0.12 R)
• M5: 1,921,136 km (0.12 R)
• M6: 3,440,601 km (0.105 R)
• M7: 4,426,302 km (0.115 R)
• M8: 4,938,675 km (0.114 R)
• M9: 7,766,373 km (0.117 R)
• M10: 10,687,721 km (0.116 R)
• M11: 11,244,075 km (0.042 R)
• M12: 12,940,365 km (0.056 R)
• M13: 15,144,092 km (0.113 R)
• M14: 16,153,728 km (0.111 R)
• M15: 17,587,174 km (0.115 R)
• M16: 18,194,841 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.4

Radius: 10.3

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.02 AU - 4.54 AU

Year: 4745 Days

Day: 11.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 32,490,372 km

• M1: 128,205 km (0.11 R)
• M2: 595,998 km (0.094 R)
• M3: 956,828 km (0.109 R)
• M4: 1,409,810 km (0.096 R)
• M5: 1,834,070 km (0.091 R)
• M6: 3,119,714 km (0.098 R)
• M7: 3,712,122 km (0.068 R)
• M8: 4,204,598 km (0.064 R)
• M9: 5,320,448 km (0.086 R)
• M10: 6,104,192 km (0.068 R)
• M11: 8,051,657 km (0.081 R)
• M12: 8,557,297 km (0.072 R)
• M13: 10,247,005 km (0.1 R)
• M14: 11,170,623 km (0.101 R)
• M15: 11,652,777 km (0.053 R)
• M16: 12,048,463 km (0.075 R)
• M17: 12,401,963 km (0.086 R)
• M18: 13,941,175 km (0.078 R)
• M19: 14,443,674 km (0.062 R)
• M20: 15,366,992 km (0.035 R)
• M21: 16,575,893 km (0.111 R)
• M22: 19,526,112 km (0.104 R)
• M23: 20,226,380 km (0.082 R)
• M24: 22,050,277 km (0.119 R)
• M25: 23,901,850 km (0.069 R)
• M26: 24,300,229 km (0.059 R)
• M27: 26,784,751 km (0.092 R)
• M28: 28,621,513 km (0.028 R)
• M29: 29,251,919 km (0.073 R)
• M30: 31,199,085 km (0.111 R)
• M31: 32,059,572 km (0.089 R)
• M32: 32,641,807 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.7

Radius: 13.8

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.48 AU - 4.2 AU

Year: 4859 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,490,372 km

• M1: 171,589 km (0.102 R)
• M2: 710,440 km (0.11 R)
• M3: 1,211,593 km (0.104 R)
• M4: 1,802,954 km (0.109 R)
• M5: 2,817,078 km (0.042 R)
• M6: 3,431,476 km (0.029 R)
• M7: 4,110,201 km (0.085 R)
• M8: 4,743,000 km (0.051 R)
• M9: 5,798,563 km (0.093 R)
• M10: 7,039,926 km (0.099 R)
• M11: 7,873,486 km (0.051 R)
• M12: 8,451,831 km (0.114 R)
• M13: 8,893,893 km (0.055 R)
• M14: 9,393,849 km (0.108 R)
• M15: 10,726,317 km (0.06 R)
• M16: 11,830,499 km (0.109 R)
• M17: 13,600,092 km (0.112 R)
• M18: 17,143,617 km (0.119 R)
• M19: 19,403,741 km (0.066 R)
• M20: 20,968,086 km (0.106 R)
• M21: 21,856,099 km (0.04 R)
• M22: 22,461,971 km (0.091 R)
• M23: 24,670,933 km (0.047 R)
• M24: 27,281,864 km (0.104 R)
• M25: 28,161,949 km (0.102 R)
• M26: 32,849,299 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.5

Radius: 14.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.81 AU - 5.29 AU

Year: 7327 Days

Day: 8.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,490,372 km

• M1: 185,352 km (0.053 R)
• M2: 795,113 km (0.119 R)
• M3: 1,489,247 km (0.074 R)
• M4: 2,273,588 km (0.089 R)
• M5: 2,797,630 km (0.09 R)
• M6: 5,117,444 km (0.054 R)
• M7: 6,273,686 km (0.052 R)
• M8: 7,284,668 km (0.103 R)
• M9: 8,364,167 km (0.105 R)
• M10: 9,506,496 km (0.104 R)
• M11: 10,572,830 km (0.106 R)
• M12: 12,393,884 km (0.116 R)
• M13: 12,994,221 km (0.059 R)
• M14: 15,765,372 km (0.093 R)
• M15: 17,197,023 km (0.097 R)
• M16: 20,044,918 km (0.069 R)
• M17: 22,377,747 km (0.087 R)
• M18: 22,969,407 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.5

Radius: 7.8

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.11 AU - 6.15 AU

Year: 9800 Days

Day: 16.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 32,490,372 km

• M1: 96,939 km (0.049 R)
• M2: 342,430 km (0.087 R)
• M3: 607,218 km (0.105 R)
• M4: 858,542 km (0.055 R)
• M5: 1,214,585 km (0.041 R)
• M6: 1,667,119 km (0.078 R)
• M7: 2,496,040 km (0.058 R)
• M8: 3,119,864 km (0.118 R)
• M9: 3,364,905 km (0.103 R)
• M10: 4,907,109 km (0.05 R)
• M11: 6,364,193 km (0.104 R)
• M12: 7,601,816 km (0.09 R)
• M13: 9,081,937 km (0.075 R)
• M14: 10,105,336 km (0.119 R)
• M15: 10,348,134 km (0.025 R)
• M16: 11,621,810 km (0.026 R)
• M17: 13,168,801 km (0.118 R)
• M18: 14,233,041 km (0.1 R)
• M19: 15,036,381 km (0.096 R)
• M20: 16,937,321 km (0.052 R)
• M21: 17,349,613 km (0.114 R)
• M22: 19,814,238 km (0.047 R)
• M23: 28,111,235 km (0.081 R)
• M24: 29,177,419 km (0.045 R)
• M25: 29,472,725 km (0.115 R)
• M26: 31,493,344 km (0.089 R)
• M27: 32,643,153 km (0.102 R)
• M28: 36,601,812 km (0.067 R)
• M29: 38,933,743 km (0.089 R)
• M30: 40,257,535 km (0.117 R)
• M31: 40,992,210 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.8

Radius: 4

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.09 AU - 8.09 AU

Year: 10923 Days

Day: 24.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,490,372 km

• M1: 52,958 km (0.075 R)
• M2: 232,774 km (0.034 R)
• M3: 952,190 km (0.098 R)
• M4: 1,291,329 km (0.028 R)
• M5: 2,629,033 km (0.093 R)
• M6: 5,272,278 km (0.03 R)
• M7: 10,614,418 km (0.066 R)
• M8: 14,860,005 km (0.089 R)
• M9: 15,862,760 km (0.054 R)
• M10: 20,397,221 km (0.113 R)
• M11: 22,460,026 km (0.11 R)
• M12: 25,064,525 km (0.08 R)
• M13: 29,840,886 km (0.079 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 17,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit