🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.43 AU - 0.59 AU

Year: 239 Days

Day: 12.8 Hours

Environment

Temp: -110 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,707,931 km

• M1: 18,251 km (0.037 R)
• M2: 188,045 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.2

Radius: 10

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.76 AU - 0.84 AU

Year: 469 Days

Day: 13.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,707,931 km

• M1: 124,316 km (0.119 R)
• M2: 473,477 km (0.063 R)
• M3: 858,841 km (0.068 R)
• M4: 1,246,449 km (0.092 R)
• M5: 1,577,958 km (0.059 R)
• M6: 2,322,657 km (0.104 R)
• M7: 2,648,032 km (0.05 R)
• M8: 3,428,035 km (0.114 R)
• M9: 4,269,822 km (0.058 R)
• M10: 5,100,539 km (0.108 R)
• M11: 5,521,358 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.5

Radius: 13

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.2 AU - 1.38 AU

Year: 961 Days

Day: 9.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 39,707,931 km

• M1: 169,046 km (0.085 R)
• M2: 650,601 km (0.113 R)
• M3: 1,258,567 km (0.108 R)
• M4: 2,405,534 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.7

Radius: 13.8

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.41 AU - 3.89 AU

Year: 4575 Days

Day: 12.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,707,931 km

• M1: 172,935 km (0.113 R)
• M2: 620,682 km (0.061 R)
• M3: 2,319,814 km (0.047 R)
• M4: 3,640,913 km (0.046 R)
• M5: 5,598,401 km (0.079 R)
• M6: 6,551,489 km (0.088 R)
• M7: 7,409,583 km (0.072 R)
• M8: 8,022,335 km (0.109 R)
• M9: 8,891,798 km (0.091 R)
• M10: 10,096,809 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.6

Radius: 12.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.02 AU - 5.16 AU

Year: 6451 Days

Day: 10 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,707,931 km

• M1: 153,487 km (0.098 R)
• M2: 571,015 km (0.085 R)
• M3: 1,128,866 km (0.113 R)
• M4: 1,600,548 km (0.117 R)
• M5: 2,474,199 km (0.051 R)
• M6: 2,970,565 km (0.12 R)
• M7: 3,461,246 km (0.084 R)
• M8: 4,414,184 km (0.069 R)
• M9: 5,009,733 km (0.056 R)
• M10: 5,658,539 km (0.052 R)
• M11: 7,361,113 km (0.045 R)
• M12: 7,882,611 km (0.054 R)
• M13: 13,430,298 km (0.072 R)
• M14: 16,063,221 km (0.113 R)
• M15: 16,837,240 km (0.074 R)
• M16: 18,237,626 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.1

Radius: 11.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.34 AU - 6.04 AU

Year: 7756 Days

Day: 7.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,707,931 km

• M1: 144,512 km (0.109 R)
• M2: 541,544 km (0.073 R)
• M3: 1,688,062 km (0.108 R)
• M4: 2,721,185 km (0.115 R)
• M5: 3,174,916 km (0.094 R)
• M6: 4,629,456 km (0.076 R)
• M7: 5,075,856 km (0.119 R)
• M8: 5,489,943 km (0.067 R)
• M9: 6,285,654 km (0.032 R)
• M10: 6,834,379 km (0.11 R)
• M11: 7,229,915 km (0.102 R)
• M12: 8,925,607 km (0.105 R)
• M13: 9,980,123 km (0.108 R)
• M14: 11,868,048 km (0.094 R)
• M15: 12,707,741 km (0.065 R)
• M16: 14,741,374 km (0.086 R)
• M17: 15,281,871 km (0.117 R)
• M18: 16,466,686 km (0.117 R)
• M19: 16,853,247 km (0.12 R)
• M20: 21,900,231 km (0.054 R)
• M21: 24,306,662 km (0.093 R)
• M22: 27,691,763 km (0.101 R)
• M23: 30,403,972 km (0.063 R)
• M24: 31,576,520 km (0.081 R)
• M25: 31,974,002 km (0.084 R)
• M26: 33,494,215 km (0.119 R)
• M27: 35,274,879 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.6

Radius: 7.5

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.26 AU - 10.92 AU

Year: 19482 Days

Day: 15.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,707,931 km

• M1: 93,648 km (0.038 R)
• M2: 396,135 km (0.108 R)
• M3: 1,691,802 km (0.092 R)
• M4: 2,067,443 km (0.103 R)
• M5: 2,479,585 km (0.108 R)
• M6: 3,631,488 km (0.075 R)
• M7: 3,974,367 km (0.098 R)
• M8: 5,015,418 km (0.109 R)
• M9: 6,024,456 km (0.09 R)
• M10: 7,012,999 km (0.081 R)
• M11: 7,314,438 km (0.111 R)
• M12: 7,822,622 km (0.088 R)
• M13: 11,073,234 km (0.107 R)
• M14: 12,770,572 km (0.029 R)
• M15: 15,822,817 km (0.076 R)
• M16: 16,738,955 km (0.091 R)
• M17: 18,604,739 km (0.097 R)
• M18: 19,550,796 km (0.112 R)
• M19: 35,914,110 km (0.092 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 15,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit