🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740

Radius: 10.7

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.78 AU - 1.14 AU

Year: 607 Days

Day: 6.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,624,231 km

• M1: 133,142 km (0.035 R)
• M2: 481,406 km (0.104 R)
• M3: 1,006,046 km (0.116 R)
• M4: 1,451,249 km (0.091 R)
• M5: 1,938,340 km (0.043 R)
• M6: 2,884,995 km (0.067 R)
• M7: 3,397,517 km (0.036 R)
• M8: 3,772,260 km (0.106 R)
• M9: 4,310,064 km (0.053 R)
• M10: 5,927,816 km (0.075 R)
• M11: 6,968,269 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.2

Radius: 8.3

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.39 AU - 1.79 AU

Year: 1295 Days

Day: 12.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,624,231 km

• M1: 103,223 km (0.084 R)
• M2: 377,735 km (0.077 R)
• M3: 803,341 km (0.072 R)
• M4: 1,160,879 km (0.104 R)
• M5: 1,604,437 km (0.098 R)
• M6: 1,892,712 km (0.08 R)
• M7: 2,274,935 km (0.049 R)
• M8: 2,902,049 km (0.11 R)
• M9: 3,508,519 km (0.11 R)
• M10: 4,326,071 km (0.116 R)
• M11: 4,730,135 km (0.064 R)
• M12: 6,048,242 km (0.045 R)
• M13: 7,166,486 km (0.056 R)
• M14: 9,517,267 km (0.087 R)
• M15: 10,369,526 km (0.117 R)
• M16: 13,391,553 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.8

Radius: 12.5

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.73 AU - 1.83 AU

Year: 1533 Days

Day: 9.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,624,231 km

• M1: 155,731 km (0.1 R)
• M2: 579,692 km (0.113 R)
• M3: 1,023,997 km (0.104 R)
• M4: 1,510,789 km (0.102 R)
• M5: 2,141,194 km (0.075 R)
• M6: 3,024,121 km (0.113 R)
• M7: 3,627,449 km (0.084 R)
• M8: 4,489,133 km (0.118 R)
• M9: 4,881,827 km (0.04 R)
• M10: 5,482,762 km (0.066 R)
• M11: 6,833,332 km (0.106 R)
• M12: 7,849,849 km (0.057 R)
• M13: 8,819,842 km (0.083 R)
• M14: 10,438,790 km (0.043 R)
• M15: 11,472,960 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583

Radius: 9

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.81 AU - 2.79 AU

Year: 2252 Days

Day: 8 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 18,624,231 km

• M1: 117,434 km (0.073 R)
• M2: 415,732 km (0.118 R)
• M3: 884,722 km (0.082 R)
• M4: 1,238,072 km (0.107 R)
• M5: 1,593,816 km (0.098 R)
• M6: 2,224,969 km (0.113 R)
• M7: 2,921,347 km (0.034 R)
• M8: 3,354,134 km (0.046 R)
• M9: 5,001,805 km (0.111 R)
• M10: 5,294,717 km (0.054 R)
• M11: 6,090,129 km (0.112 R)
• M12: 6,853,078 km (0.082 R)
• M13: 7,186,831 km (0.087 R)
• M14: 8,130,195 km (0.114 R)
• M15: 9,422,871 km (0.079 R)
• M16: 10,082,747 km (0.091 R)
• M17: 12,086,610 km (0.088 R)
• M18: 12,451,629 km (0.11 R)
• M19: 13,160,873 km (0.101 R)
• M20: 13,765,098 km (0.045 R)
• M21: 16,814,950 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.8

Radius: 15

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.55 AU - 3.97 AU

Year: 3801 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,624,231 km

• M1: 188,344 km (0.071 R)
• M2: 713,133 km (0.061 R)
• M3: 1,363,435 km (0.082 R)
• M4: 2,046,648 km (0.119 R)
• M5: 2,649,528 km (0.095 R)
• M6: 3,164,145 km (0.08 R)
• M7: 4,046,024 km (0.083 R)
• M8: 5,415,293 km (0.075 R)
• M9: 6,974,851 km (0.062 R)
• M10: 9,203,710 km (0.047 R)
• M11: 11,205,778 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.2

Radius: 12.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.47 AU - 5.53 AU

Year: 8328 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,624,231 km

• M1: 157,676 km (0.036 R)
• M2: 3,516,597 km (0.083 R)
• M3: 4,557,948 km (0.061 R)
• M4: 5,121,633 km (0.118 R)
• M5: 5,668,413 km (0.069 R)
• M6: 13,654,546 km (0.088 R)
• M7: 14,829,338 km (0.094 R)
• M8: 17,178,623 km (0.09 R)
• M9: 18,060,203 km (0.076 R)
• M10: 18,687,916 km (0.108 R)
• M11: 21,890,058 km (0.115 R)
• M12: 24,668,390 km (0.056 R)
• M13: 27,399,299 km (0.105 R)
• M14: 30,130,956 km (0.095 R)
• M15: 33,559,290 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.6

Radius: 14.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.62 AU - 7.16 AU

Year: 9230 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,624,231 km

• M1: 177,872 km (0.076 R)
• M2: 631,602 km (0.081 R)
• M3: 1,186,012 km (0.118 R)
• M4: 2,318,169 km (0.081 R)
• M5: 4,057,244 km (0.04 R)
• M6: 5,020,804 km (0.102 R)
• M7: 6,303,456 km (0.08 R)
• M8: 7,210,019 km (0.052 R)
• M9: 7,754,705 km (0.104 R)
• M10: 8,971,085 km (0.045 R)
• M11: 10,311,033 km (0.048 R)
• M12: 11,003,971 km (0.069 R)
• M13: 15,448,673 km (0.035 R)
• M14: 15,898,514 km (0.104 R)
• M15: 16,756,906 km (0.041 R)
• M16: 18,494,635 km (0.042 R)
• M17: 21,282,990 km (0.089 R)
• M18: 22,984,815 km (0.083 R)
• M19: 24,514,154 km (0.102 R)
• M20: 27,305,800 km (0.087 R)
• M21: 28,345,356 km (0.114 R)
• M22: 30,103,280 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.4

Radius: 13.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.6 AU - 6.22 AU

Year: 9277 Days

Day: 6.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 18,624,231 km

• M1: 172,935 km (0.091 R)
• M2: 719,865 km (0.088 R)
• M3: 1,181,524 km (0.101 R)
• M4: 1,726,958 km (0.068 R)
• M5: 2,308,744 km (0.112 R)
• M6: 2,824,109 km (0.066 R)
• M7: 3,514,503 km (0.079 R)
• M8: 4,315,599 km (0.03 R)
• M9: 5,707,757 km (0.1 R)
• M10: 6,699,591 km (0.088 R)
• M11: 7,339,870 km (0.112 R)
• M12: 9,757,222 km (0.088 R)
• M13: 15,552,045 km (0.12 R)
• M14: 16,748,978 km (0.039 R)
• M15: 20,708,983 km (0.086 R)
• M16: 21,467,444 km (0.048 R)
• M17: 24,781,785 km (0.058 R)
• M18: 33,891,248 km (0.113 R)
• M19: 36,505,172 km (0.048 R)
• M20: 40,022,966 km (0.119 R)
• M21: 41,068,206 km (0.116 R)
• M22: 44,730,362 km (0.034 R)
• M23: 45,714,267 km (0.096 R)
• M24: 48,604,947 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.6

Radius: 11.1

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.34 AU - 6.48 AU

Year: 9277 Days

Day: 9.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 18,624,231 km

• M1: 138,378 km (0.114 R)
• M2: 517,908 km (0.072 R)
• M3: 1,045,091 km (0.095 R)
• M4: 1,419,983 km (0.108 R)
• M5: 2,217,190 km (0.081 R)
• M6: 2,727,020 km (0.031 R)
• M7: 4,771,274 km (0.061 R)
• M8: 5,829,231 km (0.068 R)
• M9: 7,115,623 km (0.062 R)
• M10: 7,638,617 km (0.1 R)
• M11: 8,493,419 km (0.103 R)
• M12: 9,222,260 km (0.037 R)
• M13: 10,393,162 km (0.113 R)
• M14: 12,331,502 km (0.027 R)
• M15: 12,793,012 km (0.074 R)
• M16: 14,884,539 km (0.067 R)
• M17: 17,194,630 km (0.092 R)
• M18: 21,921,773 km (0.08 R)
• M19: 23,030,742 km (0.1 R)
• M20: 26,107,372 km (0.11 R)
• M21: 26,773,232 km (0.119 R)
• M22: 31,327,141 km (0.037 R)
• M23: 43,508,895 km (0.109 R)
• M24: 44,985,875 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38

Radius: 5.4

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.92 AU - 6.74 AU

Year: 10283 Days

Day: 23.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,624,231 km

• M1: 79,436 km (0.096 R)
• M2: 663,915 km (0.083 R)
• M3: 1,637,199 km (0.118 R)
• M4: 3,273,949 km (0.059 R)
• M5: 3,820,580 km (0.068 R)
• M6: 4,300,041 km (0.114 R)
• M7: 6,031,786 km (0.097 R)
• M8: 6,850,236 km (0.081 R)
• M9: 7,526,119 km (0.089 R)
• M10: 13,371,058 km (0.109 R)
• M11: 15,090,236 km (0.117 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: 453 - 12,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit