🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.49 AU - 0.79 AU

Year: 190 Days

Day: 20.8 Hours

Environment

Temp: 143 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.59 AU - 0.75 AU

Year: 203 Days

Day: 12.9 Hours

Environment

Temp: 145 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.76 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508

Radius: 11.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.7 AU - 4.98 AU

Year: 3949 Days

Day: 6.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 167.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,843,800 km

• M1: 147,055 km (0.116 R)
• M2: 760,855 km (0.095 R)
• M3: 1,167,462 km (0.079 R)
• M4: 1,903,184 km (0.074 R)
• M5: 2,681,243 km (0.102 R)
• M6: 3,334,985 km (0.1 R)
• M7: 4,265,933 km (0.069 R)
• M8: 6,258,577 km (0.059 R)
• M9: 9,703,666 km (0.063 R)
• M10: 10,823,855 km (0.052 R)
• M11: 11,329,496 km (0.112 R)
• M12: 13,130,056 km (0.106 R)
• M13: 13,754,178 km (0.102 R)
• M14: 18,632,714 km (0.056 R)
• M15: 21,788,182 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.8

Radius: 9.3

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 9.09 AU - 13.21 AU

Year: 13808 Days

Day: 12.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,843,800 km

• M1: 116,686 km (0.072 R)
• M2: 422,016 km (0.072 R)
• M3: 841,937 km (0.068 R)
• M4: 1,367,923 km (0.039 R)
• M5: 2,211,505 km (0.101 R)
• M6: 3,678,462 km (0.096 R)
• M7: 4,036,300 km (0.102 R)
• M8: 5,286,041 km (0.098 R)
• M9: 6,576,472 km (0.116 R)
• M10: 7,445,037 km (0.072 R)
• M11: 8,576,596 km (0.106 R)
• M12: 9,819,006 km (0.077 R)
• M13: 12,595,542 km (0.077 R)
• M14: 13,540,552 km (0.074 R)
• M15: 13,997,424 km (0.059 R)
• M16: 15,080,363 km (0.053 R)
• M17: 15,642,402 km (0.07 R)
• M18: 18,266,798 km (0.084 R)
• M19: 18,664,279 km (0.091 R)
• M20: 20,997,707 km (0.06 R)
• M21: 25,636,587 km (0.064 R)
• M22: 28,831,698 km (0.119 R)
• M23: 31,028,543 km (0.07 R)
• M24: 32,514,798 km (0.029 R)
• M25: 37,130,939 km (0.059 R)
• M26: 41,342,419 km (0.084 R)
• M27: 42,721,113 km (0.076 R)
• M28: 44,990,363 km (0.104 R)
• M29: 47,040,901 km (0.06 R)
• M30: 48,240,227 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.9

Radius: 9.7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 8.63 AU - 14.07 AU

Year: 14181 Days

Day: 7.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,843,800 km

• M1: 120,576 km (0.101 R)
• M2: 490,531 km (0.073 R)
• M3: 959,371 km (0.1 R)
• M4: 1,443,919 km (0.091 R)
• M5: 1,833,172 km (0.043 R)
• M6: 2,421,990 km (0.097 R)
• M7: 3,751,765 km (0.061 R)
• M8: 4,165,553 km (0.115 R)
• M9: 4,772,621 km (0.095 R)
• M10: 6,651,570 km (0.061 R)
• M11: 8,004,234 km (0.107 R)
• M12: 8,377,930 km (0.097 R)
• M13: 10,108,029 km (0.112 R)
• M14: 11,932,375 km (0.095 R)
• M15: 12,331,053 km (0.1 R)
• M16: 13,295,810 km (0.118 R)
• M17: 15,953,566 km (0.088 R)
• M18: 16,329,356 km (0.036 R)
• M19: 18,064,541 km (0.074 R)
• M20: 18,946,870 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.2

Radius: 5.4

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 11.9 AU - 16.3 AU

Year: 19635 Days

Day: 21.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,843,800 km

• M1: 87,814 km (0.102 R)
• M2: 401,371 km (0.026 R)
• M3: 743,651 km (0.106 R)
• M4: 1,385,426 km (0.111 R)
• M5: 3,388,691 km (0.107 R)
• M6: 4,294,656 km (0.088 R)
• M7: 6,608,935 km (0.078 R)
• M8: 6,979,937 km (0.103 R)
• M9: 9,737,475 km (0.081 R)
• M10: 10,713,452 km (0.11 R)
• M11: 16,587,562 km (0.108 R)
• M12: 16,791,015 km (0.118 R)
• M13: 18,551,333 km (0.111 R)
• M14: 20,353,389 km (0.106 R)
• M15: 20,742,942 km (0.072 R)
• M16: 21,860,438 km (0.103 R)
• M17: 23,270,398 km (0.104 R)
• M18: 23,525,462 km (0.12 R)
• M19: 26,362,286 km (0.113 R)
• M20: 26,732,242 km (0.11 R)
• M21: 29,518,353 km (0.08 R)
• M22: 30,118,091 km (0.08 R)
• M23: 33,024,328 km (0.096 R)
• M24: 35,434,799 km (0.096 R)
• M25: 37,609,054 km (0.061 R)
• M26: 38,669,254 km (0.102 R)
• M27: 40,725,926 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 15,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit