🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.3

Radius: 8.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.5 AU - 0.62 AU

Year: 295 Days

Day: 8.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,770,570 km

• M1: 115,639 km (0.032 R)
• M2: 408,701 km (0.104 R)
• M3: 767,287 km (0.108 R)
• M4: 1,064,838 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.8

Radius: 8

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.07 AU - 1.45 AU

Year: 994 Days

Day: 8.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,770,570 km

• M1: 100,829 km (0.071 R)
• M2: 465,399 km (0.071 R)
• M3: 715,377 km (0.069 R)
• M4: 982,110 km (0.115 R)
• M5: 1,239,718 km (0.094 R)
• M6: 1,551,180 km (0.037 R)
• M7: 2,067,891 km (0.109 R)
• M8: 2,323,853 km (0.088 R)
• M9: 2,913,119 km (0.092 R)
• M10: 3,627,000 km (0.072 R)
• M11: 3,955,517 km (0.115 R)
• M12: 5,806,941 km (0.111 R)
• M13: 6,111,821 km (0.113 R)
• M14: 6,513,491 km (0.036 R)
• M15: 6,842,906 km (0.1 R)
• M16: 7,873,934 km (0.118 R)
• M17: 8,426,549 km (0.104 R)
• M18: 8,924,560 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.9

Radius: 13.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.76 AU - 4.3 AU

Year: 4662 Days

Day: 11.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,770,570 km

• M1: 166,652 km (0.055 R)
• M2: 720,164 km (0.109 R)
• M3: 1,513,182 km (0.082 R)
• M4: 2,152,863 km (0.074 R)
• M5: 2,658,205 km (0.068 R)
• M6: 3,182,396 km (0.04 R)
• M7: 4,441,710 km (0.075 R)
• M8: 5,676,192 km (0.092 R)
• M9: 6,819,269 km (0.068 R)
• M10: 7,410,031 km (0.07 R)
• M11: 12,296,197 km (0.099 R)
• M12: 13,173,289 km (0.044 R)
• M13: 14,036,619 km (0.106 R)
• M14: 15,052,388 km (0.099 R)
• M15: 18,861,898 km (0.063 R)
• M16: 22,204,064 km (0.089 R)
• M17: 23,039,867 km (0.109 R)
• M18: 23,739,237 km (0.116 R)
• M19: 24,452,670 km (0.077 R)
• M20: 26,005,944 km (0.086 R)
• M21: 28,325,010 km (0.065 R)
• M22: 28,948,086 km (0.108 R)
• M23: 29,671,242 km (0.108 R)
• M24: 30,592,316 km (0.098 R)
• M25: 31,437,394 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.3

Radius: 3.5

Gravity: 37.17 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.72 AU - 6.28 AU

Year: 10331 Days

Day: 23.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 63,770,570 km

• M1: 43,683 km (0.056 R)
• M2: 215,122 km (0.08 R)
• M3: 467,942 km (0.107 R)
• M4: 612,005 km (0.06 R)
• M5: 785,538 km (0.118 R)
• M6: 951,143 km (0.119 R)
• M7: 1,843,345 km (0.117 R)
• M8: 2,480,632 km (0.095 R)
• M9: 3,345,008 km (0.116 R)
• M10: 4,309,615 km (0.089 R)
• M11: 5,129,561 km (0.08 R)
• M12: 5,609,023 km (0.074 R)
• M13: 6,082,949 km (0.088 R)
• M14: 8,035,799 km (0.109 R)
• M15: 8,289,966 km (0.094 R)
• M16: 8,462,303 km (0.053 R)
• M17: 12,489,328 km (0.051 R)
• M18: 13,061,091 km (0.032 R)
• M19: 13,709,897 km (0.057 R)
• M20: 14,379,796 km (0.086 R)
• M21: 17,348,865 km (0.033 R)
• M22: 17,844,632 km (0.077 R)
• M23: 20,153,975 km (0.049 R)
• M24: 20,701,802 km (0.118 R)
• M25: 21,908,758 km (0.093 R)
• M26: 22,073,166 km (0.089 R)
• M27: 22,739,026 km (0.083 R)
• M28: 24,110,689 km (0.104 R)
• M29: 25,445,700 km (0.071 R)
• M30: 30,352,959 km (0.114 R)
• M31: 32,865,904 km (0.113 R)
• M32: 36,658,061 km (0.079 R)
• M33: 36,773,849 km (0.115 R)
• M34: 39,140,338 km (0.049 R)
• M35: 39,747,406 km (0.109 R)
• M36: 40,484,176 km (0.056 R)
• M37: 40,607,893 km (0.069 R)
• M38: 40,855,926 km (0.09 R)
• M39: 40,980,392 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.1

Radius: 4.2

Gravity: 32.6 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.11 AU - 8.45 AU

Year: 16748 Days

Day: 16.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,770,570 km

• M1: 52,359 km (0.099 R)
• M2: 258,804 km (0.081 R)
• M3: 503,247 km (0.114 R)
• M4: 633,996 km (0.09 R)
• M5: 955,332 km (0.096 R)
• M6: 1,172,099 km (0.105 R)
• M7: 1,842,298 km (0.113 R)
• M8: 2,006,107 km (0.119 R)
• M9: 2,300,666 km (0.058 R)
• M10: 3,025,019 km (0.066 R)
• M11: 3,253,604 km (0.068 R)
• M12: 4,191,732 km (0.11 R)
• M13: 6,173,755 km (0.048 R)
• M14: 9,063,387 km (0.044 R)
• M15: 10,366,833 km (0.094 R)
• M16: 11,182,291 km (0.106 R)
• M17: 16,677,470 km (0.075 R)
• M18: 18,205,014 km (0.105 R)
• M19: 25,352,650 km (0.072 R)
• M20: 25,872,503 km (0.116 R)
• M21: 27,257,330 km (0.099 R)
• M22: 28,466,979 km (0.104 R)
• M23: 29,028,569 km (0.092 R)
• M24: 29,255,210 km (0.099 R)
• M25: 29,712,082 km (0.05 R)
• M26: 30,875,056 km (0.05 R)
• M27: 34,928,111 km (0.062 R)
• M28: 42,301,042 km (0.115 R)
• M29: 51,139,434 km (0.066 R)
• M30: 61,317,774 km (0.064 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 14,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit