🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.43 AU - 0.57 AU

Year: 228 Days

Day: 44.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.9

Radius: 9.3

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.73 AU - 0.87 AU

Year: 462 Days

Day: 11.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,036,955 km

• M1: 117,285 km (0.079 R)
• M2: 427,850 km (0.102 R)
• M3: 866,471 km (0.102 R)
• M4: 1,179,579 km (0.116 R)
• M5: 1,470,397 km (0.093 R)
• M6: 1,761,066 km (0.055 R)
• M7: 2,153,611 km (0.103 R)
• M8: 2,523,417 km (0.074 R)
• M9: 2,896,065 km (0.069 R)
• M10: 3,348,300 km (0.085 R)
• M11: 4,330,110 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.8

Radius: 13.3

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.77 AU - 1.13 AU

Year: 598 Days

Day: 9.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,036,955 km

• M1: 165,605 km (0.063 R)
• M2: 597,643 km (0.078 R)
• M3: 1,088,923 km (0.113 R)
• M4: 1,704,518 km (0.1 R)
• M5: 2,219,584 km (0.114 R)
• M6: 2,641,300 km (0.098 R)
• M7: 3,117,171 km (0.068 R)
• M8: 4,259,051 km (0.103 R)
• M9: 4,723,254 km (0.06 R)
• M10: 5,465,558 km (0.08 R)
• M11: 6,245,562 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623

Radius: 14.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.91 AU - 1.05 AU

Year: 626 Days

Day: 8 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,036,955 km

• M1: 181,612 km (0.07 R)
• M2: 638,783 km (0.068 R)
• M3: 1,344,286 km (0.087 R)
• M4: 1,843,195 km (0.119 R)
• M5: 2,716,697 km (0.109 R)
• M6: 3,171,176 km (0.076 R)
• M7: 3,743,836 km (0.082 R)
• M8: 4,677,776 km (0.098 R)
• M9: 5,371,760 km (0.099 R)
• M10: 6,802,514 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.9

Radius: 11.5

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.29 AU - 2.09 AU

Year: 1419 Days

Day: 12.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,036,955 km

• M1: 145,708 km (0.097 R)
• M2: 741,257 km (0.09 R)
• M3: 1,289,234 km (0.072 R)
• M4: 2,147,178 km (0.032 R)
• M5: 3,065,560 km (0.105 R)
• M6: 3,433,720 km (0.082 R)
• M7: 6,224,019 km (0.106 R)
• M8: 6,753,446 km (0.07 R)
• M9: 8,833,904 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.2

Radius: 13.3

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.73 AU - 2.37 AU

Year: 1895 Days

Day: 13.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,036,955 km

• M1: 167,101 km (0.033 R)
• M2: 900,579 km (0.097 R)
• M3: 1,767,948 km (0.07 R)
• M4: 2,235,441 km (0.115 R)
• M5: 3,782,582 km (0.09 R)
• M6: 5,168,606 km (0.097 R)
• M7: 7,441,447 km (0.038 R)
• M8: 9,536,864 km (0.053 R)
• M9: 10,182,977 km (0.115 R)
• M10: 12,000,292 km (0.089 R)
• M11: 13,181,667 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.2

Radius: 8

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.21 AU - 2.43 AU

Year: 2282 Days

Day: 7.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 16,036,955 km

• M1: 99,483 km (0.052 R)
• M2: 366,814 km (0.054 R)
• M3: 799,002 km (0.081 R)
• M4: 1,069,326 km (0.102 R)
• M5: 1,577,510 km (0.086 R)
• M6: 2,264,014 km (0.098 R)
• M7: 2,974,155 km (0.118 R)
• M8: 3,768,370 km (0.084 R)
• M9: 4,215,219 km (0.057 R)
• M10: 5,475,731 km (0.117 R)
• M11: 5,745,306 km (0.114 R)
• M12: 6,635,114 km (0.1 R)
• M13: 6,970,214 km (0.097 R)
• M14: 7,826,961 km (0.108 R)
• M15: 10,329,135 km (0.079 R)
• M16: 10,971,358 km (0.049 R)
• M17: 12,169,488 km (0.066 R)
• M18: 14,729,257 km (0.065 R)
• M19: 16,998,956 km (0.084 R)
• M20: 17,416,184 km (0.106 R)
• M21: 18,001,112 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.6

Radius: 13.2

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.08 AU - 2.82 AU

Year: 2476 Days

Day: 11.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 16,036,955 km

• M1: 164,558 km (0.049 R)
• M2: 579,991 km (0.061 R)
• M3: 1,106,575 km (0.091 R)
• M4: 1,562,550 km (0.109 R)
• M5: 2,025,406 km (0.064 R)
• M6: 2,753,199 km (0.112 R)
• M7: 3,667,392 km (0.11 R)
• M8: 4,097,785 km (0.111 R)
• M9: 5,406,916 km (0.085 R)
• M10: 6,379,751 km (0.103 R)
• M11: 7,233,805 km (0.072 R)
• M12: 8,575,100 km (0.111 R)
• M13: 10,293,829 km (0.051 R)
• M14: 11,273,546 km (0.096 R)
• M15: 11,826,160 km (0.105 R)
• M16: 13,244,199 km (0.114 R)
• M17: 15,196,451 km (0.108 R)
• M18: 16,870,750 km (0.078 R)
• M19: 17,333,756 km (0.034 R)

Asteroid Belt

Center: 3.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.1

Radius: 10

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.9 AU - 6.24 AU

Year: 7371 Days

Day: 15 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,036,955 km

• M1: 124,765 km (0.101 R)
• M2: 466,745 km (0.108 R)
• M3: 927,656 km (0.102 R)
• M4: 1,829,732 km (0.036 R)
• M5: 2,370,977 km (0.073 R)
• M6: 3,401,856 km (0.092 R)
• M7: 6,003,662 km (0.103 R)
• M8: 7,236,049 km (0.111 R)
• M9: 8,392,291 km (0.101 R)
• M10: 16,689,438 km (0.115 R)
• M11: 18,229,398 km (0.096 R)
• M12: 20,002,432 km (0.072 R)
• M13: 22,490,544 km (0.082 R)
• M14: 25,590,511 km (0.111 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.1

Radius: 11

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.6 AU - 6.02 AU

Year: 7901 Days

Day: 7.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,036,955 km

• M1: 136,732 km (0.096 R)
• M2: 739,911 km (0.085 R)
• M3: 1,409,810 km (0.086 R)
• M4: 1,950,756 km (0.109 R)
• M5: 2,398,353 km (0.082 R)
• M6: 2,944,086 km (0.075 R)
• M7: 3,320,026 km (0.036 R)
• M8: 6,501,823 km (0.09 R)
• M9: 7,976,259 km (0.095 R)
• M10: 11,308,103 km (0.072 R)
• M11: 12,277,348 km (0.117 R)
• M12: 13,985,606 km (0.098 R)
• M13: 14,336,562 km (0.064 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: 196 - 18,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit