🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.41 AU - 0.65 AU

Year: 249 Days

Day: 17.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.47 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 13.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.19 AU - 4.63 AU

Year: 5980 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,267,592 km

• M1: 173,534 km (0.088 R)
• M2: 637,137 km (0.087 R)
• M3: 1,223,262 km (0.088 R)
• M4: 2,229,008 km (0.071 R)
• M5: 4,696,326 km (0.117 R)
• M6: 5,875,456 km (0.056 R)
• M7: 9,552,871 km (0.114 R)
• M8: 10,409,020 km (0.111 R)
• M9: 10,954,753 km (0.074 R)
• M10: 18,286,993 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.2

Radius: 12.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.22 AU - 5.04 AU

Year: 6433 Days

Day: 7.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,267,592 km

• M1: 160,369 km (0.09 R)
• M2: 584,778 km (0.032 R)
• M3: 1,208,302 km (0.108 R)
• M4: 1,704,518 km (0.065 R)
• M5: 2,518,031 km (0.041 R)
• M6: 3,641,811 km (0.1 R)
• M7: 4,317,694 km (0.066 R)
• M8: 5,472,739 km (0.111 R)
• M9: 7,632,483 km (0.072 R)
• M10: 8,270,518 km (0.093 R)
• M11: 9,825,738 km (0.09 R)
• M12: 12,977,765 km (0.104 R)
• M13: 13,400,828 km (0.05 R)
• M14: 15,244,621 km (0.112 R)
• M15: 15,955,211 km (0.052 R)
• M16: 17,442,813 km (0.061 R)
• M17: 18,089,225 km (0.086 R)
• M18: 21,343,876 km (0.089 R)
• M19: 24,007,915 km (0.095 R)
• M20: 27,229,356 km (0.047 R)
• M21: 29,349,307 km (0.088 R)
• M22: 29,895,938 km (0.11 R)
• M23: 31,198,038 km (0.119 R)
• M24: 32,247,317 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.5

Radius: 8.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.93 AU - 5.33 AU

Year: 6433 Days

Day: 11.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,267,592 km

• M1: 137,630 km (0.075 R)
• M2: 441,015 km (0.04 R)
• M3: 720,763 km (0.12 R)
• M4: 1,379,592 km (0.058 R)
• M5: 1,723,218 km (0.084 R)
• M6: 2,893,672 km (0.116 R)
• M7: 3,837,933 km (0.055 R)
• M8: 4,524,737 km (0.1 R)
• M9: 4,974,578 km (0.065 R)
• M10: 5,481,565 km (0.062 R)
• M11: 6,081,602 km (0.071 R)
• M12: 8,038,193 km (0.084 R)
• M13: 8,850,509 km (0.077 R)
• M14: 10,128,374 km (0.027 R)
• M15: 13,095,199 km (0.083 R)
• M16: 13,395,293 km (0.111 R)
• M17: 13,802,648 km (0.099 R)
• M18: 14,270,739 km (0.088 R)
• M19: 17,304,734 km (0.111 R)
• M20: 19,356,618 km (0.058 R)
• M21: 19,943,341 km (0.045 R)
• M22: 21,565,580 km (0.103 R)
• M23: 22,125,375 km (0.049 R)
• M24: 24,086,454 km (0.085 R)
• M25: 25,378,980 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671

Radius: 11.8

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.01 AU - 5.35 AU

Year: 6537 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,267,592 km

• M1: 146,756 km (0.099 R)
• M2: 527,033 km (0.117 R)
• M3: 990,936 km (0.106 R)
• M4: 1,625,830 km (0.065 R)
• M5: 2,137,305 km (0.118 R)
• M6: 3,065,859 km (0.118 R)
• M7: 3,444,341 km (0.101 R)
• M8: 4,170,489 km (0.05 R)
• M9: 5,584,339 km (0.038 R)
• M10: 5,991,245 km (0.115 R)
• M11: 7,518,191 km (0.068 R)
• M12: 8,133,187 km (0.092 R)
• M13: 8,991,131 km (0.111 R)
• M14: 10,413,059 km (0.059 R)
• M15: 11,474,306 km (0.028 R)
• M16: 14,558,566 km (0.117 R)
• M17: 21,922,521 km (0.071 R)
• M18: 23,499,881 km (0.112 R)
• M19: 24,398,964 km (0.098 R)
• M20: 29,148,996 km (0.079 R)
• M21: 32,136,914 km (0.074 R)
• M22: 34,586,280 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.1

Radius: 8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.76 AU - 6.7 AU

Year: 8856 Days

Day: 12.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,267,592 km

• M1: 99,483 km (0.101 R)
• M2: 371,302 km (0.088 R)
• M3: 704,606 km (0.101 R)
• M4: 1,495,680 km (0.111 R)
• M5: 1,923,081 km (0.098 R)
• M6: 2,190,711 km (0.044 R)
• M7: 2,861,059 km (0.11 R)
• M8: 5,204,211 km (0.058 R)
• M9: 7,363,058 km (0.075 R)
• M10: 7,786,420 km (0.109 R)
• M11: 8,348,608 km (0.096 R)
• M12: 9,067,426 km (0.101 R)
• M13: 11,370,186 km (0.081 R)
• M14: 11,936,265 km (0.07 R)
• M15: 12,413,183 km (0.119 R)
• M16: 14,990,754 km (0.103 R)
• M17: 16,895,135 km (0.106 R)
• M18: 19,026,605 km (0.107 R)
• M19: 26,219,869 km (0.116 R)
• M20: 26,755,280 km (0.099 R)
• M21: 27,663,937 km (0.083 R)
• M22: 30,415,341 km (0.081 R)
• M23: 31,404,782 km (0.056 R)
• M24: 35,253,187 km (0.081 R)
• M25: 35,905,583 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.2

Radius: 7.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.58 AU - 9.38 AU

Year: 15944 Days

Day: 17.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,267,592 km

• M1: 114,143 km (0.066 R)
• M2: 386,561 km (0.12 R)
• M3: 649,554 km (0.114 R)
• M4: 1,131,558 km (0.09 R)
• M5: 2,363,198 km (0.043 R)
• M6: 2,931,969 km (0.086 R)
• M7: 3,881,766 km (0.099 R)
• M8: 4,314,403 km (0.075 R)
• M9: 6,117,655 km (0.082 R)
• M10: 6,471,753 km (0.067 R)
• M11: 7,471,217 km (0.027 R)
• M12: 8,026,823 km (0.114 R)
• M13: 9,178,727 km (0.053 R)
• M14: 9,557,658 km (0.12 R)
• M15: 10,757,433 km (0.098 R)
• M16: 11,757,794 km (0.115 R)
• M17: 15,246,417 km (0.087 R)
• M18: 15,599,767 km (0.099 R)
• M19: 26,988,353 km (0.044 R)
• M20: 27,505,364 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 16,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit