🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.74 AU - 0.88 AU

Year: 260 Days

Day: 35.7 Hours

Environment

Temp: 165 °C

Axial Tilt: 4.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.93 AU - 1.25 AU

Year: 406 Days

Day: 45.1 Hours

Environment

Temp: 19 °C

Axial Tilt: 4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.13 AU - 1.25 AU

Year: 463 Days

Day: 45.7 Hours

Environment

Temp: 24 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.4

Radius: 8.1

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.16 AU - 8 AU

Year: 7439 Days

Day: 7.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,092,965 km

• M1: 100,679 km (0.118 R)
• M2: 376,089 km (0.095 R)
• M3: 947,104 km (0.08 R)
• M4: 2,351,379 km (0.075 R)
• M5: 2,835,927 km (0.105 R)
• M6: 3,707,783 km (0.05 R)
• M7: 4,515,462 km (0.074 R)
• M8: 4,774,117 km (0.052 R)
• M9: 6,638,854 km (0.12 R)
• M10: 9,187,404 km (0.081 R)
• M11: 9,561,847 km (0.084 R)
• M12: 9,903,379 km (0.037 R)
• M13: 11,069,494 km (0.086 R)
• M14: 12,729,283 km (0.114 R)
• M15: 15,057,774 km (0.097 R)
• M16: 15,696,257 km (0.116 R)
• M17: 16,352,693 km (0.113 R)
• M18: 16,841,429 km (0.046 R)
• M19: 21,036,901 km (0.11 R)
• M20: 28,079,670 km (0.104 R)
• M21: 28,341,167 km (0.11 R)
• M22: 28,957,660 km (0.071 R)
• M23: 29,403,312 km (0.047 R)

Asteroid Belt

Center: 8.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.1

Radius: 11.9

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 9.62 AU - 9.82 AU

Year: 10802 Days

Day: 9.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,092,965 km

• M1: 147,952 km (0.097 R)
• M2: 525,537 km (0.1 R)
• M3: 1,018,911 km (0.098 R)
• M4: 1,439,730 km (0.057 R)
• M5: 1,919,939 km (0.117 R)
• M6: 2,594,326 km (0.108 R)
• M7: 3,992,468 km (0.066 R)
• M8: 4,442,458 km (0.099 R)
• M9: 4,981,908 km (0.045 R)
• M10: 5,504,603 km (0.052 R)
• M11: 6,626,288 km (0.109 R)
• M12: 7,259,536 km (0.099 R)
• M13: 8,647,355 km (0.078 R)
• M14: 11,050,346 km (0.058 R)
• M15: 13,700,323 km (0.073 R)
• M16: 15,083,505 km (0.049 R)
• M17: 19,861,960 km (0.098 R)
• M18: 20,294,597 km (0.039 R)
• M19: 22,631,615 km (0.114 R)
• M20: 26,421,976 km (0.102 R)
• M21: 27,565,352 km (0.087 R)
• M22: 30,615,952 km (0.092 R)
• M23: 33,987,290 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.1

Radius: 8

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 14.91 AU - 15.55 AU

Year: 21186 Days

Day: 21.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,092,965 km

• M1: 99,931 km (0.052 R)
• M2: 383,719 km (0.103 R)
• M3: 793,467 km (0.102 R)
• M4: 1,278,015 km (0.106 R)
• M5: 2,174,255 km (0.109 R)
• M6: 3,016,641 km (0.079 R)
• M7: 5,288,584 km (0.083 R)
• M8: 7,469,122 km (0.117 R)
• M9: 9,353,008 km (0.103 R)
• M10: 10,751,001 km (0.055 R)
• M11: 11,533,248 km (0.106 R)
• M12: 12,283,032 km (0.118 R)
• M13: 14,184,272 km (0.117 R)
• M14: 21,353,899 km (0.103 R)
• M15: 25,764,643 km (0.079 R)
• M16: 32,988,425 km (0.069 R)
• M17: 40,518,284 km (0.098 R)
• M18: 49,293,994 km (0.112 R)
• M19: 56,892,669 km (0.117 R)
• M20: 70,928,838 km (0.065 R)
• M21: 77,181,880 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.9

Radius: 3.9

Gravity: 35.69 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 15.57 AU - 15.69 AU

Year: 22026 Days

Day: 21.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,092,965 km

• M1: 54,005 km (0.027 R)
• M2: 249,978 km (0.106 R)
• M3: 657,931 km (0.11 R)
• M4: 1,235,230 km (0.105 R)
• M5: 2,484,521 km (0.072 R)
• M6: 2,672,416 km (0.068 R)
• M7: 6,617,013 km (0.062 R)
• M8: 8,193,176 km (0.069 R)
• M9: 11,865,355 km (0.11 R)
• M10: 13,016,810 km (0.117 R)
• M11: 13,511,979 km (0.08 R)
• M12: 19,082,555 km (0.067 R)
• M13: 20,944,300 km (0.074 R)
• M14: 21,233,623 km (0.099 R)
• M15: 26,568,731 km (0.113 R)
• M16: 36,628,440 km (0.117 R)
• M17: 48,787,007 km (0.028 R)
• M18: 53,849,250 km (0.043 R)
• M19: 54,755,962 km (0.089 R)
• M20: 56,786,454 km (0.076 R)
• M21: 57,537,136 km (0.085 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 11,798 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit