🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.5 AU - 0.82 AU

Year: 346 Days

Day: 24 Hours

Environment

Temp: -138 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.23 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.8

Radius: 10.8

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.72 AU - 1.86 AU

Year: 1546 Days

Day: 13.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 68.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,083,858 km

• M1: 134,339 km (0.052 R)
• M2: 531,820 km (0.103 R)
• M3: 1,130,362 km (0.116 R)
• M4: 1,627,475 km (0.081 R)
• M5: 2,199,837 km (0.087 R)
• M6: 2,540,321 km (0.05 R)
• M7: 3,096,526 km (0.102 R)
• M8: 3,652,582 km (0.111 R)
• M9: 3,996,956 km (0.062 R)
• M10: 4,490,330 km (0.061 R)
• M11: 4,847,869 km (0.088 R)
• M12: 5,815,318 km (0.094 R)
• M13: 6,241,223 km (0.114 R)
• M14: 6,906,934 km (0.09 R)
• M15: 8,323,925 km (0.077 R)
• M16: 8,953,582 km (0.104 R)
• M17: 9,614,805 km (0.088 R)
• M18: 10,470,505 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.6

Radius: 10.4

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.9 AU - 2.9 AU

Year: 2401 Days

Day: 9.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,083,858 km

• M1: 129,402 km (0.084 R)
• M2: 518,656 km (0.048 R)
• M3: 927,357 km (0.115 R)
• M4: 1,920,687 km (0.081 R)
• M5: 2,591,334 km (0.053 R)
• M6: 2,927,930 km (0.111 R)
• M7: 3,277,390 km (0.114 R)
• M8: 3,619,221 km (0.042 R)
• M9: 4,196,669 km (0.079 R)
• M10: 4,601,182 km (0.051 R)
• M11: 4,987,294 km (0.111 R)
• M12: 6,048,541 km (0.079 R)
• M13: 8,142,463 km (0.091 R)
• M14: 8,838,841 km (0.113 R)
• M15: 9,336,104 km (0.063 R)
• M16: 10,350,527 km (0.039 R)
• M17: 12,229,028 km (0.09 R)
• M18: 12,930,941 km (0.115 R)
• M19: 13,442,266 km (0.072 R)
• M20: 15,245,220 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.6

Radius: 13.9

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.52 AU - 5.84 AU

Year: 6537 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,083,858 km

• M1: 177,722 km (0.086 R)
• M2: 758,162 km (0.095 R)
• M3: 1,307,785 km (0.101 R)
• M4: 3,050,749 km (0.093 R)
• M5: 3,527,219 km (0.118 R)
• M6: 4,154,632 km (0.07 R)
• M7: 4,631,999 km (0.093 R)
• M8: 6,021,763 km (0.112 R)
• M9: 6,530,545 km (0.114 R)
• M10: 7,031,250 km (0.111 R)
• M11: 8,774,962 km (0.102 R)
• M12: 9,430,799 km (0.064 R)
• M13: 11,340,715 km (0.032 R)
• M14: 12,066,564 km (0.065 R)
• M15: 13,842,291 km (0.07 R)
• M16: 17,700,420 km (0.069 R)
• M17: 18,536,074 km (0.067 R)
• M18: 22,303,846 km (0.111 R)
• M19: 24,537,342 km (0.11 R)
• M20: 29,349,008 km (0.09 R)
• M21: 31,317,566 km (0.107 R)
• M22: 35,297,767 km (0.051 R)
• M23: 39,017,967 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.6

Radius: 10.5

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.82 AU - 5.6 AU

Year: 6600 Days

Day: 7.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,083,858 km

• M1: 130,898 km (0.03 R)
• M2: 528,230 km (0.068 R)
• M3: 861,085 km (0.11 R)
• M4: 1,193,193 km (0.098 R)
• M5: 1,716,785 km (0.09 R)
• M6: 2,194,152 km (0.061 R)
• M7: 2,649,378 km (0.096 R)
• M8: 3,046,411 km (0.075 R)
• M9: 3,483,087 km (0.074 R)
• M10: 3,985,287 km (0.053 R)
• M11: 4,828,720 km (0.102 R)
• M12: 5,513,729 km (0.107 R)
• M13: 6,133,214 km (0.111 R)
• M14: 6,661,593 km (0.049 R)
• M15: 7,622,012 km (0.04 R)
• M16: 9,424,217 km (0.118 R)
• M17: 15,410,974 km (0.1 R)
• M18: 18,875,811 km (0.086 R)
• M19: 19,710,866 km (0.105 R)
• M20: 20,137,669 km (0.076 R)
• M21: 21,380,079 km (0.114 R)
• M22: 22,828,485 km (0.105 R)
• M23: 25,330,360 km (0.06 R)
• M24: 27,565,203 km (0.079 R)
• M25: 31,738,834 km (0.057 R)
• M26: 32,819,529 km (0.085 R)
• M27: 33,218,656 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.9

Radius: 10.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.28 AU - 5.34 AU

Year: 6811 Days

Day: 8.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,083,858 km

• M1: 150,944 km (0.057 R)
• M2: 569,669 km (0.093 R)
• M3: 1,552,228 km (0.097 R)
• M4: 2,158,548 km (0.067 R)
• M5: 3,126,895 km (0.091 R)
• M6: 4,588,615 km (0.099 R)
• M7: 5,146,466 km (0.112 R)
• M8: 7,551,102 km (0.117 R)
• M9: 10,309,537 km (0.092 R)
• M10: 11,938,359 km (0.083 R)
• M11: 13,150,251 km (0.084 R)
• M12: 17,719,868 km (0.09 R)
• M13: 19,429,323 km (0.097 R)
• M14: 20,464,241 km (0.105 R)
• M15: 21,608,216 km (0.06 R)
• M16: 24,574,592 km (0.082 R)
• M17: 25,215,020 km (0.091 R)
• M18: 27,802,315 km (0.088 R)
• M19: 29,923,164 km (0.026 R)
• M20: 30,378,241 km (0.104 R)
• M21: 31,023,158 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.3

Radius: 11.5

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.46 AU - 5.46 AU

Year: 7132 Days

Day: 13.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,083,858 km

• M1: 153,637 km (0.106 R)
• M2: 677,529 km (0.12 R)
• M3: 1,092,663 km (0.073 R)
• M4: 2,163,634 km (0.088 R)
• M5: 2,541,668 km (0.058 R)
• M6: 3,042,222 km (0.112 R)
• M7: 3,498,047 km (0.114 R)
• M8: 4,653,541 km (0.104 R)
• M9: 5,495,478 km (0.076 R)
• M10: 6,016,078 km (0.087 R)
• M11: 6,403,238 km (0.052 R)
• M12: 8,006,029 km (0.067 R)
• M13: 9,129,659 km (0.111 R)
• M14: 9,512,330 km (0.093 R)
• M15: 12,089,004 km (0.091 R)
• M16: 15,455,554 km (0.067 R)
• M17: 16,122,911 km (0.1 R)
• M18: 18,509,745 km (0.1 R)
• M19: 21,271,022 km (0.114 R)
• M20: 21,643,970 km (0.093 R)
• M21: 22,173,247 km (0.097 R)
• M22: 24,540,184 km (0.105 R)
• M23: 25,365,217 km (0.072 R)
• M24: 28,130,084 km (0.043 R)
• M25: 29,033,805 km (0.032 R)
• M26: 32,744,132 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.6

Radius: 7.7

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.24 AU - 9.9 AU

Year: 14802 Days

Day: 23 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,083,858 km

• M1: 95,892 km (0.066 R)
• M2: 348,563 km (0.045 R)
• M3: 734,526 km (0.099 R)
• M4: 1,242,111 km (0.105 R)
• M5: 1,697,936 km (0.07 R)
• M6: 2,032,287 km (0.085 R)
• M7: 2,279,124 km (0.1 R)
• M8: 3,355,031 km (0.089 R)
• M9: 4,675,981 km (0.105 R)
• M10: 6,650,523 km (0.116 R)
• M11: 8,343,971 km (0.068 R)
• M12: 9,410,454 km (0.06 R)
• M13: 11,258,137 km (0.066 R)
• M14: 13,213,830 km (0.11 R)
• M15: 15,385,393 km (0.086 R)
• M16: 16,136,075 km (0.084 R)
• M17: 16,555,697 km (0.05 R)
• M18: 18,232,091 km (0.11 R)
• M19: 19,150,173 km (0.075 R)
• M20: 19,699,796 km (0.07 R)
• M21: 24,207,927 km (0.102 R)
• M22: 28,134,124 km (0.062 R)
• M23: 30,618,944 km (0.059 R)
• M24: 34,730,342 km (0.108 R)
• M25: 41,109,794 km (0.093 R)
• M26: 41,630,544 km (0.095 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: 266 - 13,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit