🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.63 AU - 0.67 AU

Year: 344 Days

Day: 16.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 128.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.6

Radius: 8.5

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.85 AU - 0.91 AU

Year: 542 Days

Day: 6.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,227,595 km

• M1: 105,766 km (0.033 R)
• M2: 383,868 km (0.077 R)
• M3: 669,301 km (0.083 R)
• M4: 943,065 km (0.087 R)
• M5: 1,233,285 km (0.114 R)
• M6: 1,545,047 km (0.117 R)
• M7: 2,023,012 km (0.079 R)
• M8: 2,514,890 km (0.06 R)
• M9: 3,416,666 km (0.108 R)
• M10: 3,796,644 km (0.074 R)
• M11: 4,191,732 km (0.104 R)
• M12: 4,641,424 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.8

Radius: 10.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.19 AU - 1.27 AU

Year: 895 Days

Day: 5.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 82,227,595 km

• M1: 131,945 km (0.09 R)
• M2: 558,299 km (0.086 R)
• M3: 2,367,985 km (0.104 R)

Asteroid Belt

Center: 1.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.3

Radius: 14.7

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.48 AU - 2.56 AU

Year: 2624 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,227,595 km

• M1: 182,809 km (0.112 R)
• M2: 744,997 km (0.104 R)
• M3: 1,226,254 km (0.04 R)
• M4: 1,936,844 km (0.094 R)
• M5: 2,526,259 km (0.084 R)
• M6: 5,573,867 km (0.095 R)
• M7: 7,140,306 km (0.089 R)
• M8: 7,895,177 km (0.059 R)
• M9: 11,046,008 km (0.106 R)
• M10: 12,674,979 km (0.077 R)
• M11: 13,974,386 km (0.039 R)
• M12: 14,805,552 km (0.052 R)
• M13: 17,165,458 km (0.048 R)
• M14: 18,871,921 km (0.108 R)
• M15: 20,564,471 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.9

Radius: 13

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.12 AU - 3.46 AU

Year: 3057 Days

Day: 8.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,227,595 km

• M1: 161,715 km (0.117 R)
• M2: 708,944 km (0.109 R)
• M3: 1,351,617 km (0.054 R)
• M4: 2,295,131 km (0.032 R)
• M5: 2,838,919 km (0.113 R)
• M6: 4,405,508 km (0.081 R)
• M7: 5,252,082 km (0.09 R)
• M8: 8,416,077 km (0.098 R)
• M9: 8,979,463 km (0.052 R)
• M10: 9,567,981 km (0.113 R)
• M11: 11,832,892 km (0.098 R)
• M12: 12,272,112 km (0.089 R)
• M13: 15,295,335 km (0.076 R)
• M14: 15,976,005 km (0.074 R)
• M15: 17,062,535 km (0.072 R)
• M16: 21,255,613 km (0.065 R)
• M17: 21,905,915 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.8

Radius: 10.4

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.99 AU - 3.91 AU

Year: 4204 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,227,595 km

• M1: 143,464 km (0.113 R)
• M2: 611,406 km (0.116 R)
• M3: 2,072,678 km (0.039 R)
• M4: 3,217,551 km (0.075 R)
• M5: 4,485,991 km (0.074 R)
• M6: 4,930,596 km (0.108 R)
• M7: 6,194,549 km (0.098 R)
• M8: 7,306,958 km (0.049 R)
• M9: 8,191,381 km (0.086 R)
• M10: 10,941,738 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.3

Radius: 8.9

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.8 AU - 4.56 AU

Year: 5606 Days

Day: 10.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,227,595 km

• M1: 116,387 km (0.118 R)
• M2: 516,711 km (0.096 R)
• M3: 828,174 km (0.086 R)
• M4: 1,538,016 km (0.084 R)
• M5: 4,811,965 km (0.085 R)
• M6: 5,793,028 km (0.03 R)
• M7: 6,423,882 km (0.113 R)
• M8: 11,254,397 km (0.066 R)
• M9: 12,139,867 km (0.065 R)
• M10: 12,821,585 km (0.069 R)
• M11: 13,996,526 km (0.052 R)
• M12: 14,855,218 km (0.043 R)
• M13: 18,707,513 km (0.104 R)
• M14: 20,759,846 km (0.096 R)
• M15: 24,531,956 km (0.057 R)
• M16: 25,778,855 km (0.066 R)
• M17: 27,149,321 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.3

Radius: 4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.19 AU - 11.95 AU

Year: 19421 Days

Day: 15.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,227,595 km

• M1: 60,138 km (0.076 R)
• M2: 197,320 km (0.08 R)
• M3: 2,424,981 km (0.026 R)
• M4: 6,245,113 km (0.042 R)
• M5: 7,000,133 km (0.068 R)
• M6: 9,150,603 km (0.086 R)
• M7: 10,965,973 km (0.099 R)
• M8: 13,610,863 km (0.1 R)
• M9: 14,754,688 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755

Radius: 7.1

Gravity: 14.98 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 10.02 AU - 10.4 AU

Year: 21402 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,227,595 km

• M1: 88,263 km (0.082 R)
• M2: 333,603 km (0.115 R)
• M3: 1,023,848 km (0.117 R)
• M4: 1,777,971 km (0.092 R)
• M5: 2,856,272 km (0.116 R)
• M6: 3,763,134 km (0.085 R)
• M7: 4,849,215 km (0.04 R)
• M8: 5,959,082 km (0.095 R)
• M9: 7,375,474 km (0.115 R)
• M10: 10,294,278 km (0.098 R)
• M11: 11,704,537 km (0.117 R)
• M12: 15,219,938 km (0.107 R)
• M13: 15,541,424 km (0.06 R)
• M14: 20,921,861 km (0.091 R)
• M15: 22,334,962 km (0.112 R)
• M16: 23,064,850 km (0.109 R)
• M17: 29,486,788 km (0.11 R)
• M18: 31,002,812 km (0.077 R)
• M19: 31,910,722 km (0.091 R)
• M20: 34,879,641 km (0.114 R)
• M21: 35,298,216 km (0.068 R)
• M22: 39,670,363 km (0.087 R)
• M23: 41,829,061 km (0.078 R)
• M24: 43,579,057 km (0.108 R)
• M25: 43,902,338 km (0.067 R)
• M26: 49,471,417 km (0.083 R)
• M27: 50,889,007 km (0.056 R)
• M28: 55,115,147 km (0.074 R)
• M29: 55,683,170 km (0.051 R)
• M30: 65,097,663 km (0.113 R)
• M31: 68,967,162 km (0.118 R)
• M32: 70,290,355 km (0.082 R)
• M33: 71,181,808 km (0.119 R)
• M34: 72,532,976 km (0.061 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 17,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit