🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.5 AU - 0.66 AU

Year: 285 Days

Day: 16.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,306,332 km

• M1: 40,691 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.1

Radius: 9.8

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.67 AU - 0.77 AU

Year: 394 Days

Day: 7.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,306,332 km

• M1: 121,922 km (0.088 R)
• M2: 534,962 km (0.117 R)
• M3: 865,424 km (0.114 R)
• M4: 1,248,693 km (0.033 R)
• M5: 1,738,327 km (0.07 R)
• M6: 2,310,090 km (0.071 R)
• M7: 3,157,113 km (0.115 R)
• M8: 4,035,403 km (0.089 R)

Asteroid Belt

Center: 1.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.2

Radius: 8

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.58 AU - 2.8 AU

Year: 2849 Days

Day: 11.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,306,332 km

• M1: 99,483 km (0.111 R)
• M2: 354,397 km (0.062 R)
• M3: 705,653 km (0.068 R)
• M4: 1,116,000 km (0.1 R)
• M5: 1,463,516 km (0.081 R)
• M6: 1,860,250 km (0.088 R)
• M7: 2,459,239 km (0.044 R)
• M8: 2,796,583 km (0.072 R)
• M9: 3,960,604 km (0.06 R)
• M10: 4,506,785 km (0.079 R)
• M11: 6,320,061 km (0.071 R)
• M12: 6,955,703 km (0.104 R)
• M13: 8,108,953 km (0.114 R)
• M14: 9,185,459 km (0.047 R)
• M15: 9,655,346 km (0.049 R)
• M16: 11,086,549 km (0.117 R)
• M17: 12,248,924 km (0.109 R)
• M18: 12,653,885 km (0.107 R)
• M19: 14,905,184 km (0.047 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.9

Radius: 3.7

Gravity: 33.37 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.96 AU - 7.06 AU

Year: 10725 Days

Day: 22.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 53,306,332 km

• M1: 46,076 km (0.098 R)
• M2: 171,589 km (0.057 R)
• M3: 341,981 km (0.116 R)
• M4: 722,707 km (0.03 R)
• M5: 1,039,556 km (0.064 R)
• M6: 1,390,213 km (0.116 R)
• M7: 1,694,046 km (0.116 R)
• M8: 2,357,513 km (0.111 R)
• M9: 3,023,074 km (0.084 R)
• M10: 3,247,471 km (0.074 R)
• M11: 3,387,345 km (0.114 R)
• M12: 4,893,646 km (0.092 R)
• M13: 5,266,443 km (0.118 R)
• M14: 5,826,538 km (0.115 R)
• M15: 7,180,997 km (0.071 R)
• M16: 8,121,070 km (0.109 R)
• M17: 10,292,034 km (0.089 R)
• M18: 11,699,152 km (0.094 R)
• M19: 12,590,905 km (0.088 R)
• M20: 13,407,560 km (0.061 R)
• M21: 15,867,697 km (0.114 R)
• M22: 17,380,131 km (0.095 R)
• M23: 19,902,202 km (0.1 R)
• M24: 20,135,873 km (0.067 R)
• M25: 21,008,029 km (0.096 R)
• M26: 25,019,346 km (0.068 R)
• M27: 26,212,689 km (0.12 R)
• M28: 28,024,319 km (0.059 R)
• M29: 29,110,399 km (0.038 R)
• M30: 30,121,830 km (0.056 R)
• M31: 30,636,298 km (0.051 R)
• M32: 32,429,078 km (0.094 R)
• M33: 33,078,184 km (0.106 R)
• M34: 34,514,174 km (0.116 R)
• M35: 34,738,720 km (0.073 R)
• M36: 41,555,446 km (0.09 R)
• M37: 42,320,938 km (0.116 R)
• M38: 43,095,855 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.4

Radius: 7

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.83 AU - 7.23 AU

Year: 12035 Days

Day: 21 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,306,332 km

• M1: 106,065 km (0.07 R)
• M2: 355,145 km (0.118 R)
• M3: 1,095,206 km (0.065 R)
• M4: 1,336,208 km (0.119 R)
• M5: 1,794,277 km (0.12 R)
• M6: 2,132,667 km (0.11 R)
• M7: 2,877,515 km (0.107 R)
• M8: 4,006,381 km (0.105 R)
• M9: 4,237,509 km (0.103 R)
• M10: 4,811,367 km (0.048 R)
• M11: 5,282,450 km (0.119 R)
• M12: 7,213,759 km (0.088 R)
• M13: 7,752,012 km (0.11 R)
• M14: 9,126,069 km (0.111 R)
• M15: 9,894,104 km (0.084 R)
• M16: 10,606,788 km (0.114 R)
• M17: 14,271,936 km (0.101 R)
• M18: 16,714,720 km (0.074 R)
• M19: 16,980,106 km (0.099 R)
• M20: 18,139,340 km (0.117 R)
• M21: 21,695,730 km (0.113 R)
• M22: 28,047,656 km (0.049 R)
• M23: 28,516,795 km (0.026 R)
• M24: 30,841,695 km (0.111 R)
• M25: 31,745,267 km (0.115 R)
• M26: 34,240,709 km (0.094 R)
• M27: 36,864,057 km (0.05 R)
• M28: 37,088,603 km (0.038 R)
• M29: 38,224,650 km (0.115 R)
• M30: 38,569,921 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.3

Radius: 4.3

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.86 AU - 12.66 AU

Year: 24396 Days

Day: 15.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,306,332 km

• M1: 63,878 km (0.096 R)
• M2: 259,552 km (0.093 R)
• M3: 762,351 km (0.081 R)
• M4: 1,984,715 km (0.111 R)
• M5: 2,146,580 km (0.041 R)
• M6: 2,435,902 km (0.09 R)
• M7: 2,664,338 km (0.118 R)
• M8: 4,497,660 km (0.117 R)
• M9: 4,651,895 km (0.087 R)
• M10: 5,477,077 km (0.075 R)
• M11: 7,671,528 km (0.076 R)
• M12: 8,117,031 km (0.096 R)
• M13: 8,299,839 km (0.074 R)
• M14: 12,683,805 km (0.051 R)
• M15: 13,242,852 km (0.074 R)
• M16: 14,678,094 km (0.076 R)
• M17: 16,069,953 km (0.118 R)
• M18: 16,577,239 km (0.091 R)
• M19: 16,797,896 km (0.106 R)
• M20: 17,776,715 km (0.11 R)
• M21: 21,632,750 km (0.105 R)
• M22: 21,896,341 km (0.087 R)
• M23: 28,249,613 km (0.091 R)
• M24: 30,173,741 km (0.117 R)
• M25: 30,502,707 km (0.12 R)
• M26: 33,337,885 km (0.036 R)
• M27: 42,749,686 km (0.101 R)
• M28: 43,164,670 km (0.112 R)
• M29: 44,143,489 km (0.113 R)
• M30: 46,581,785 km (0.068 R)
• M31: 46,874,398 km (0.054 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: 541 - 18,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit