🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.7

Radius: 8.1

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.55 AU - 0.59 AU

Year: 292 Days

Day: 10.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 20,068,671 km

• M1: 100,679 km (0.114 R)
• M2: 453,581 km (0.108 R)
• M3: 1,440,478 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577

Radius: 14.1

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.97 AU - 1.11 AU

Year: 719 Days

Day: 14.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,068,671 km

• M1: 175,628 km (0.035 R)
• M2: 615,595 km (0.07 R)
• M3: 1,270,385 km (0.09 R)
• M4: 2,172,610 km (0.095 R)
• M5: 2,722,831 km (0.083 R)
• M6: 3,227,125 km (0.092 R)
• M7: 3,697,162 km (0.108 R)
• M8: 4,138,775 km (0.12 R)
• M9: 5,061,046 km (0.117 R)
• M10: 6,553,434 km (0.077 R)
• M11: 7,161,400 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.9

Radius: 11.4

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.11 AU - 1.63 AU

Year: 1088 Days

Day: 6.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,068,671 km

• M1: 141,819 km (0.105 R)
• M2: 511,774 km (0.12 R)
• M3: 960,418 km (0.049 R)
• M4: 1,715,738 km (0.056 R)
• M5: 2,346,443 km (0.064 R)
• M6: 3,467,679 km (0.103 R)
• M7: 4,225,691 km (0.032 R)
• M8: 4,627,960 km (0.102 R)
• M9: 5,306,835 km (0.103 R)
• M10: 5,679,932 km (0.11 R)
• M11: 6,626,886 km (0.054 R)
• M12: 7,239,340 km (0.077 R)
• M13: 7,606,005 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.3

Radius: 10.2

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.62 AU - 1.66 AU

Year: 1424 Days

Day: 6.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,068,671 km

• M1: 127,308 km (0.086 R)
• M2: 482,154 km (0.094 R)
• M3: 865,872 km (0.089 R)
• M4: 1,197,531 km (0.117 R)
• M5: 1,771,538 km (0.115 R)
• M6: 2,446,823 km (0.106 R)
• M7: 3,296,539 km (0.083 R)
• M8: 4,304,828 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.7

Radius: 9.2

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.35 AU - 2.13 AU

Year: 1557 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,068,671 km

• M1: 114,442 km (0.066 R)
• M2: 575,503 km (0.07 R)
• M3: 870,061 km (0.088 R)
• M4: 1,261,260 km (0.069 R)
• M5: 1,585,737 km (0.116 R)
• M6: 1,955,244 km (0.031 R)
• M7: 2,705,029 km (0.069 R)
• M8: 3,236,999 km (0.066 R)
• M9: 3,568,956 km (0.117 R)
• M10: 4,065,023 km (0.096 R)
• M11: 4,966,201 km (0.029 R)
• M12: 5,475,132 km (0.081 R)
• M13: 7,081,215 km (0.057 R)
• M14: 7,754,106 km (0.105 R)
• M15: 8,949,094 km (0.102 R)
• M16: 9,963,817 km (0.083 R)
• M17: 10,948,021 km (0.03 R)
• M18: 11,409,830 km (0.115 R)
• M19: 12,990,780 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.9

Radius: 9.7

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.42 AU - 2.26 AU

Year: 1693 Days

Day: 8 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,068,671 km

• M1: 120,576 km (0.106 R)
• M2: 423,212 km (0.074 R)
• M3: 747,241 km (0.096 R)
• M4: 1,414,597 km (0.044 R)
• M5: 1,801,458 km (0.114 R)
• M6: 2,490,206 km (0.119 R)
• M7: 3,103,857 km (0.111 R)
• M8: 3,832,099 km (0.11 R)
• M9: 4,650,848 km (0.07 R)
• M10: 5,429,356 km (0.053 R)
• M11: 5,918,541 km (0.082 R)
• M12: 6,340,257 km (0.114 R)
• M13: 6,782,019 km (0.101 R)
• M14: 8,462,901 km (0.109 R)
• M15: 8,968,692 km (0.101 R)
• M16: 9,337,749 km (0.094 R)
• M17: 9,748,994 km (0.098 R)
• M18: 10,205,417 km (0.092 R)
• M19: 10,986,019 km (0.085 R)
• M20: 12,627,855 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.8

Radius: 14.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.55 AU - 2.97 AU

Year: 3110 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,068,671 km

• M1: 179,368 km (0.102 R)
• M2: 1,095,804 km (0.109 R)
• M3: 1,724,115 km (0.115 R)
• M4: 2,267,156 km (0.089 R)
• M5: 2,798,677 km (0.04 R)
• M6: 3,377,920 km (0.098 R)
• M7: 4,056,795 km (0.107 R)
• M8: 4,558,846 km (0.066 R)
• M9: 5,317,307 km (0.054 R)
• M10: 6,158,496 km (0.066 R)
• M11: 6,882,400 km (0.076 R)
• M12: 7,819,182 km (0.086 R)
• M13: 8,434,328 km (0.059 R)
• M14: 12,872,747 km (0.112 R)
• M15: 15,767,316 km (0.069 R)
• M16: 17,339,291 km (0.108 R)
• M17: 18,052,125 km (0.062 R)
• M18: 18,956,145 km (0.075 R)
• M19: 19,653,869 km (0.114 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: 234 - 16,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit