🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.2

Radius: 13.2

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.52 AU - 0.68 AU

Year: 321 Days

Day: 7.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,242,296 km

• M1: 164,258 km (0.068 R)
• M2: 665,711 km (0.105 R)
• M3: 1,157,588 km (0.114 R)
• M4: 1,593,816 km (0.102 R)
• M5: 2,118,306 km (0.088 R)
• M6: 2,561,116 km (0.03 R)
• M7: 3,045,663 km (0.082 R)
• M8: 3,626,252 km (0.107 R)
• M9: 4,087,163 km (0.035 R)
• M10: 4,505,738 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.1

Radius: 13.1

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.86 AU - 1.1 AU

Year: 670 Days

Day: 14.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,242,296 km

• M1: 163,062 km (0.112 R)
• M2: 585,676 km (0.071 R)
• M3: 1,031,328 km (0.118 R)
• M4: 1,497,624 km (0.085 R)
• M5: 2,981,336 km (0.031 R)
• M6: 3,727,680 km (0.044 R)
• M7: 4,287,475 km (0.097 R)
• M8: 5,131,357 km (0.06 R)
• M9: 5,560,702 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.8

Radius: 8.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.35 AU - 2.83 AU

Year: 2877 Days

Day: 9.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,242,296 km

• M1: 112,348 km (0.117 R)
• M2: 397,332 km (0.103 R)
• M3: 846,724 km (0.069 R)
• M4: 1,224,159 km (0.085 R)
• M5: 1,542,055 km (0.106 R)
• M6: 1,821,204 km (0.112 R)
• M7: 2,165,728 km (0.12 R)
• M8: 2,948,275 km (0.065 R)
• M9: 3,355,031 km (0.117 R)
• M10: 3,971,225 km (0.081 R)
• M11: 6,722,330 km (0.098 R)
• M12: 7,164,541 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.6

Radius: 13.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.79 AU - 5.33 AU

Year: 7857 Days

Day: 14.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,242,296 km

• M1: 172,038 km (0.095 R)
• M2: 693,237 km (0.101 R)
• M3: 1,163,722 km (0.111 R)
• M4: 1,825,393 km (0.115 R)
• M5: 2,710,414 km (0.058 R)
• M6: 4,069,062 km (0.058 R)
• M7: 4,499,156 km (0.109 R)
• M8: 5,049,377 km (0.087 R)
• M9: 5,547,388 km (0.101 R)
• M10: 6,606,691 km (0.067 R)
• M11: 7,358,869 km (0.092 R)
• M12: 8,856,344 km (0.096 R)
• M13: 11,054,834 km (0.118 R)
• M14: 11,683,743 km (0.083 R)
• M15: 12,559,190 km (0.07 R)
• M16: 14,257,275 km (0.079 R)
• M17: 14,751,547 km (0.112 R)
• M18: 16,370,345 km (0.029 R)
• M19: 17,748,591 km (0.11 R)
• M20: 21,936,433 km (0.087 R)
• M21: 23,954,808 km (0.092 R)
• M22: 26,186,210 km (0.095 R)
• M23: 27,305,052 km (0.091 R)
• M24: 29,638,031 km (0.111 R)
• M25: 30,648,415 km (0.074 R)
• M26: 36,966,232 km (0.025 R)
• M27: 38,611,958 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743

Radius: 5.2

Gravity: 27.48 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.79 AU - 8.99 AU

Year: 13867 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,242,296 km

• M1: 65,973 km (0.083 R)
• M2: 251,175 km (0.119 R)
• M3: 464,651 km (0.046 R)
• M4: 770,878 km (0.107 R)
• M5: 1,009,187 km (0.091 R)
• M6: 1,436,588 km (0.07 R)
• M7: 1,700,030 km (0.08 R)
• M8: 1,869,674 km (0.096 R)
• M9: 2,069,387 km (0.055 R)
• M10: 3,665,746 km (0.09 R)
• M11: 5,311,622 km (0.117 R)
• M12: 6,579,913 km (0.106 R)
• M13: 7,666,143 km (0.091 R)
• M14: 13,279,055 km (0.117 R)
• M15: 17,573,112 km (0.035 R)
• M16: 18,796,224 km (0.064 R)
• M17: 22,146,319 km (0.114 R)
• M18: 23,089,983 km (0.054 R)
• M19: 24,158,411 km (0.086 R)
• M20: 30,113,154 km (0.095 R)
• M21: 36,454,608 km (0.082 R)
• M22: 37,370,745 km (0.107 R)
• M23: 38,168,251 km (0.063 R)
• M24: 46,014,510 km (0.08 R)
• M25: 46,930,498 km (0.072 R)
• M26: 48,326,994 km (0.072 R)
• M27: 50,877,787 km (0.079 R)
• M28: 54,190,781 km (0.099 R)
• M29: 55,555,114 km (0.113 R)
• M30: 60,876,011 km (0.104 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: 424 - 17,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit