🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.46 AU - 0.62 AU

Year: 147 Days

Day: 28.5 Hours

Environment

Temp: 169 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 93,676,549 km

• M1: 401,969 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.03 AU - 1.09 AU

Year: 405 Days

Day: 30.4 Hours

Environment

Temp: 28 °C

Axial Tilt: 10.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 93,676,549 km

• M1: 22,888 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.02 AU - 1.4 AU

Year: 494 Days

Day: 39.2 Hours

Environment

Temp: -3 °C

Axial Tilt: 12.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 93,676,549 km

• M1: 217,964 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.03 AU - 2.87 AU

Year: 1422 Days

Day: 44.9 Hours

Environment

Temp: -82 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.73 AU - 2.93 AU

Year: 1766 Days

Day: 17.6 Hours

Environment

Temp: -92 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,676,549 km

• M1: 51,162 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.2

Radius: 11

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.44 AU - 7.6 AU

Year: 7648 Days

Day: 8.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 93,676,549 km

• M1: 136,732 km (0.075 R)
• M2: 571,464 km (0.12 R)
• M3: 1,028,785 km (0.074 R)
• M4: 1,497,774 km (0.094 R)
• M5: 2,170,516 km (0.114 R)
• M6: 3,348,300 km (0.049 R)
• M7: 4,500,802 km (0.107 R)
• M8: 5,023,945 km (0.086 R)
• M9: 6,061,407 km (0.026 R)
• M10: 7,126,843 km (0.117 R)
• M11: 8,516,008 km (0.074 R)
• M12: 9,188,301 km (0.043 R)
• M13: 11,569,301 km (0.099 R)
• M14: 15,530,802 km (0.071 R)
• M15: 16,279,689 km (0.11 R)
• M16: 19,161,542 km (0.046 R)
• M17: 26,262,953 km (0.038 R)
• M18: 31,271,191 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.9

Radius: 5.7

Gravity: 29.24 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 14.3 AU - 14.54 AU

Year: 20307 Days

Day: 23.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 93,676,549 km

• M1: 70,909 km (0.055 R)
• M2: 377,585 km (0.107 R)
• M3: 570,417 km (0.08 R)
• M4: 787,334 km (0.1 R)
• M5: 1,072,617 km (0.109 R)
• M6: 1,254,827 km (0.108 R)
• M7: 2,877,365 km (0.055 R)
• M8: 3,120,761 km (0.119 R)
• M9: 3,407,540 km (0.119 R)
• M10: 3,967,635 km (0.106 R)
• M11: 4,623,621 km (0.07 R)
• M12: 5,676,491 km (0.101 R)
• M13: 6,832,883 km (0.068 R)
• M14: 7,823,370 km (0.113 R)
• M15: 9,902,182 km (0.11 R)
• M16: 12,534,955 km (0.108 R)
• M17: 12,821,585 km (0.108 R)
• M18: 13,259,458 km (0.111 R)
• M19: 21,793,717 km (0.099 R)
• M20: 22,208,103 km (0.093 R)
• M21: 24,359,470 km (0.119 R)
• M22: 25,945,357 km (0.077 R)
• M23: 26,645,774 km (0.114 R)
• M24: 28,084,008 km (0.1 R)
• M25: 29,447,294 km (0.091 R)
• M26: 30,337,401 km (0.084 R)
• M27: 32,171,321 km (0.112 R)
• M28: 32,843,764 km (0.108 R)
• M29: 36,930,030 km (0.089 R)
• M30: 40,870,737 km (0.101 R)
• M31: 47,120,487 km (0.095 R)
• M32: 57,643,650 km (0.078 R)
• M33: 59,637,939 km (0.108 R)
• M34: 66,328,106 km (0.058 R)
• M35: 76,557,159 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.2

Radius: 7.7

Gravity: 14.56 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 12.43 AU - 20.11 AU

Year: 24338 Days

Day: 17.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 93,676,549 km

• M1: 153,188 km (0.105 R)
• M2: 501,003 km (0.112 R)
• M3: 913,893 km (0.084 R)
• M4: 2,084,646 km (0.058 R)
• M5: 2,910,726 km (0.119 R)
• M6: 3,806,368 km (0.085 R)
• M7: 4,498,408 km (0.056 R)
• M8: 5,070,321 km (0.085 R)
• M9: 6,312,282 km (0.089 R)
• M10: 8,852,753 km (0.109 R)
• M11: 9,264,147 km (0.11 R)
• M12: 10,838,067 km (0.071 R)
• M13: 13,482,957 km (0.062 R)
• M14: 14,913,412 km (0.08 R)
• M15: 15,496,095 km (0.118 R)
• M16: 16,706,791 km (0.066 R)
• M17: 18,544,002 km (0.064 R)
• M18: 18,830,782 km (0.055 R)
• M19: 19,120,553 km (0.107 R)
• M20: 19,907,587 km (0.072 R)
• M21: 26,513,679 km (0.119 R)
• M22: 37,253,460 km (0.075 R)
• M23: 41,337,781 km (0.101 R)
• M24: 44,847,198 km (0.029 R)
• M25: 46,939,174 km (0.118 R)
• M26: 54,381,369 km (0.088 R)
• M27: 60,452,799 km (0.074 R)
• M28: 66,960,755 km (0.119 R)
• M29: 72,966,062 km (0.112 R)
• M30: 93,396,045 km (0.113 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: 217 - 17,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit