🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.51 AU - 0.79 AU

Year: 344 Days

Day: 38.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.5

Radius: 11.6

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.98 AU - 1.38 AU

Year: 841 Days

Day: 9.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,875,286 km

• M1: 146,008 km (0.117 R)
• M2: 511,176 km (0.09 R)
• M3: 1,111,512 km (0.034 R)
• M4: 1,492,837 km (0.075 R)
• M5: 2,000,423 km (0.117 R)
• M6: 2,498,733 km (0.118 R)
• M7: 3,986,334 km (0.115 R)
• M8: 4,645,014 km (0.076 R)
• M9: 5,081,391 km (0.059 R)
• M10: 5,641,186 km (0.106 R)
• M11: 6,283,410 km (0.09 R)
• M12: 6,665,632 km (0.107 R)
• M13: 7,131,181 km (0.117 R)
• M14: 7,547,512 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.7

Radius: 9.8

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.14 AU - 1.56 AU

Year: 1029 Days

Day: 5.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,875,286 km

• M1: 124,465 km (0.076 R)
• M2: 483,800 km (0.116 R)
• M3: 893,997 km (0.114 R)
• M4: 1,626,129 km (0.101 R)
• M5: 2,406,581 km (0.083 R)
• M6: 3,524,675 km (0.065 R)
• M7: 3,955,966 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.7

Radius: 12.8

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.38 AU - 1.76 AU

Year: 1291 Days

Day: 8.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,875,286 km

• M1: 160,668 km (0.113 R)
• M2: 634,744 km (0.114 R)
• M3: 1,832,574 km (0.088 R)
• M4: 2,388,629 km (0.086 R)
• M5: 3,006,020 km (0.039 R)
• M6: 4,464,300 km (0.044 R)
• M7: 7,197,303 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.3

Radius: 8.4

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.64 AU - 4.36 AU

Year: 4295 Days

Day: 12.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 164.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,875,286 km

• M1: 106,364 km (0.103 R)
• M2: 586,723 km (0.077 R)
• M3: 910,453 km (0.082 R)
• M4: 1,602,492 km (0.107 R)
• M5: 2,624,545 km (0.117 R)
• M6: 3,285,468 km (0.059 R)
• M7: 3,612,938 km (0.076 R)
• M8: 3,894,930 km (0.111 R)
• M9: 5,039,952 km (0.118 R)
• M10: 5,998,127 km (0.114 R)
• M11: 6,679,994 km (0.102 R)
• M12: 7,173,667 km (0.081 R)
• M13: 8,763,443 km (0.066 R)
• M14: 10,974,500 km (0.114 R)
• M15: 11,756,149 km (0.086 R)
• M16: 14,163,328 km (0.093 R)
• M17: 15,824,463 km (0.116 R)
• M18: 16,701,854 km (0.037 R)
• M19: 18,109,869 km (0.101 R)
• M20: 18,939,689 km (0.099 R)
• M21: 20,333,642 km (0.116 R)
• M22: 24,229,769 km (0.119 R)
• M23: 24,613,936 km (0.051 R)
• M24: 25,002,143 km (0.088 R)
• M25: 27,584,202 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 8.5

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.15 AU - 4.43 AU

Year: 4840 Days

Day: 12.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,875,286 km

• M1: 106,065 km (0.067 R)
• M2: 370,853 km (0.093 R)
• M3: 975,528 km (0.108 R)
• M4: 1,265,299 km (0.074 R)
• M5: 2,505,316 km (0.114 R)
• M6: 3,268,414 km (0.073 R)
• M7: 3,735,908 km (0.042 R)
• M8: 4,855,648 km (0.092 R)
• M9: 5,194,188 km (0.068 R)
• M10: 5,831,774 km (0.041 R)
• M11: 7,162,746 km (0.12 R)
• M12: 9,264,147 km (0.102 R)
• M13: 11,289,553 km (0.071 R)
• M14: 15,852,138 km (0.029 R)
• M15: 16,716,066 km (0.095 R)
• M16: 17,550,373 km (0.116 R)
• M17: 22,931,110 km (0.09 R)
• M18: 23,295,380 km (0.074 R)
• M19: 25,796,806 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.2

Radius: 14.2

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.19 AU - 5.27 AU

Year: 7846 Days

Day: 13.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,875,286 km

• M1: 176,525 km (0.065 R)
• M2: 914,941 km (0.084 R)
• M3: 1,383,780 km (0.073 R)
• M4: 2,046,200 km (0.095 R)
• M5: 3,274,997 km (0.096 R)
• M6: 3,751,466 km (0.105 R)
• M7: 4,516,809 km (0.076 R)
• M8: 6,549,844 km (0.081 R)
• M9: 7,347,051 km (0.106 R)
• M10: 7,841,472 km (0.103 R)
• M11: 8,433,580 km (0.117 R)
• M12: 8,897,333 km (0.06 R)
• M13: 10,391,666 km (0.08 R)
• M14: 11,665,193 km (0.077 R)
• M15: 12,537,349 km (0.102 R)
• M16: 13,091,609 km (0.093 R)
• M17: 16,111,840 km (0.069 R)
• M18: 17,627,416 km (0.115 R)
• M19: 18,452,299 km (0.105 R)
• M20: 20,042,524 km (0.113 R)
• M21: 21,081,781 km (0.081 R)
• M22: 26,741,966 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.9

Radius: 5

Gravity: 20.32 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.14 AU - 9.68 AU

Year: 17447 Days

Day: 16.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,875,286 km

• M1: 62,831 km (0.077 R)
• M2: 365,318 km (0.081 R)
• M3: 704,008 km (0.107 R)
• M4: 919,728 km (0.06 R)
• M5: 1,354,310 km (0.096 R)
• M6: 1,562,699 km (0.105 R)
• M7: 1,879,697 km (0.09 R)
• M8: 2,423,635 km (0.095 R)
• M9: 2,944,236 km (0.105 R)
• M10: 7,183,989 km (0.092 R)
• M11: 8,492,821 km (0.106 R)
• M12: 9,360,788 km (0.063 R)
• M13: 9,734,782 km (0.025 R)
• M14: 12,317,739 km (0.088 R)
• M15: 13,629,862 km (0.119 R)
• M16: 14,040,957 km (0.096 R)
• M17: 14,389,819 km (0.092 R)
• M18: 16,528,321 km (0.101 R)
• M19: 19,123,694 km (0.112 R)
• M20: 21,239,906 km (0.086 R)
• M21: 23,118,406 km (0.071 R)
• M22: 32,707,330 km (0.065 R)
• M23: 33,815,851 km (0.095 R)
• M24: 40,154,312 km (0.102 R)
• M25: 43,160,033 km (0.072 R)
• M26: 52,734,895 km (0.095 R)
• M27: 56,508,052 km (0.1 R)
• M28: 56,683,680 km (0.09 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 13,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit