🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.2

Radius: 10.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.42 AU - 0.64 AU

Year: 262 Days

Day: 13.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,921,072 km

• M1: 135,536 km (0.083 R)
• M2: 570,417 km (0.096 R)
• M3: 918,681 km (0.104 R)
• M4: 1,310,328 km (0.111 R)
• M5: 1,694,196 km (0.118 R)
• M6: 2,213,151 km (0.119 R)
• M7: 2,871,830 km (0.05 R)
• M8: 3,238,196 km (0.103 R)
• M9: 3,625,056 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.5

Radius: 8.6

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.5 AU - 0.72 AU

Year: 323 Days

Day: 11.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,921,072 km

• M1: 106,962 km (0.116 R)
• M2: 448,794 km (0.034 R)
• M3: 728,990 km (0.114 R)
• M4: 1,049,579 km (0.102 R)
• M5: 1,884,634 km (0.088 R)
• M6: 2,655,063 km (0.101 R)
• M7: 3,432,822 km (0.092 R)
• M8: 3,769,567 km (0.118 R)
• M9: 4,116,185 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.8

Radius: 8.4

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.41 AU - 2.23 AU

Year: 1665 Days

Day: 11 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,921,072 km

• M1: 104,419 km (0.065 R)
• M2: 446,699 km (0.104 R)
• M3: 870,211 km (0.119 R)
• M4: 1,218,026 km (0.093 R)
• M5: 1,519,466 km (0.081 R)
• M6: 2,175,901 km (0.066 R)
• M7: 2,473,152 km (0.061 R)
• M8: 3,430,279 km (0.055 R)
• M9: 4,291,664 km (0.089 R)
• M10: 4,847,869 km (0.102 R)
• M11: 5,154,843 km (0.085 R)
• M12: 5,498,021 km (0.079 R)
• M13: 5,831,923 km (0.08 R)
• M14: 6,255,734 km (0.118 R)
• M15: 7,026,014 km (0.086 R)
• M16: 7,535,095 km (0.113 R)
• M17: 7,828,307 km (0.101 R)
• M18: 8,221,001 km (0.088 R)
• M19: 9,444,712 km (0.099 R)
• M20: 10,748,607 km (0.094 R)
• M21: 12,009,418 km (0.112 R)
• M22: 12,450,732 km (0.097 R)
• M23: 14,236,332 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.2

Radius: 8.4

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.7 AU - 2.34 AU

Year: 1947 Days

Day: 5.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,921,072 km

• M1: 104,868 km (0.082 R)
• M2: 369,656 km (0.06 R)
• M3: 862,581 km (0.075 R)
• M4: 1,192,145 km (0.042 R)
• M5: 1,496,128 km (0.082 R)
• M6: 2,548,549 km (0.103 R)
• M7: 3,076,031 km (0.088 R)
• M8: 3,548,910 km (0.051 R)
• M9: 3,896,725 km (0.035 R)
• M10: 4,661,170 km (0.099 R)
• M11: 5,667,067 km (0.083 R)
• M12: 6,646,633 km (0.03 R)
• M13: 6,950,317 km (0.063 R)
• M14: 7,496,499 km (0.053 R)
• M15: 8,609,806 km (0.086 R)
• M16: 9,004,296 km (0.037 R)
• M17: 11,472,212 km (0.047 R)
• M18: 12,566,371 km (0.082 R)
• M19: 13,160,274 km (0.095 R)
• M20: 13,595,903 km (0.1 R)
• M21: 15,339,616 km (0.117 R)
• M22: 15,968,974 km (0.102 R)
• M23: 17,279,302 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245

Radius: 13.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.87 AU - 5.69 AU

Year: 7088 Days

Day: 8.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,921,072 km

• M1: 167,849 km (0.058 R)
• M2: 1,016,069 km (0.086 R)
• M3: 1,631,215 km (0.106 R)
• M4: 2,473,302 km (0.044 R)
• M5: 6,762,123 km (0.099 R)
• M6: 13,776,618 km (0.061 R)
• M7: 14,242,914 km (0.038 R)
• M8: 20,092,490 km (0.065 R)
• M9: 25,935,484 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.6

Radius: 5.1

Gravity: 35.78 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.84 AU - 6.96 AU

Year: 12293 Days

Day: 15.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,921,072 km

• M1: 65,823 km (0.118 R)
• M2: 268,827 km (0.072 R)
• M3: 442,511 km (0.107 R)
• M4: 1,413,700 km (0.106 R)
• M5: 1,739,674 km (0.102 R)
• M6: 1,911,711 km (0.064 R)
• M7: 3,047,159 km (0.089 R)
• M8: 3,958,360 km (0.088 R)
• M9: 6,668,325 km (0.105 R)
• M10: 7,901,161 km (0.077 R)
• M11: 8,719,611 km (0.117 R)
• M12: 9,753,183 km (0.082 R)
• M13: 9,915,048 km (0.059 R)
• M14: 12,060,730 km (0.07 R)
• M15: 13,540,103 km (0.113 R)
• M16: 15,208,419 km (0.102 R)
• M17: 15,499,087 km (0.059 R)
• M18: 15,942,196 km (0.065 R)
• M19: 16,242,290 km (0.071 R)
• M20: 16,546,123 km (0.1 R)
• M21: 18,285,348 km (0.069 R)
• M22: 21,388,157 km (0.098 R)
• M23: 21,661,472 km (0.074 R)
• M24: 24,129,389 km (0.109 R)
• M25: 36,781,928 km (0.058 R)
• M26: 37,834,797 km (0.082 R)
• M27: 41,113,534 km (0.093 R)
• M28: 48,073,425 km (0.06 R)
• M29: 49,014,695 km (0.098 R)
• M30: 53,069,396 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 13,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit