🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.49 AU - 0.55 AU

Year: 242 Days

Day: 36.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,574,106 km

• M1: 28,723 km (0.078 R)
• M2: 76,594 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.57 AU - 0.61 AU

Year: 293 Days

Day: 19.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,574,106 km

• M1: 212,728 km (0.115 R)
• M2: 400,324 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 9.3

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.98 AU - 1.06 AU

Year: 665 Days

Day: 12.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,574,106 km

• M1: 123,568 km (0.111 R)
• M2: 515,365 km (0.079 R)
• M3: 863,180 km (0.104 R)
• M4: 1,188,106 km (0.069 R)
• M5: 1,793,978 km (0.112 R)
• M6: 2,172,909 km (0.119 R)
• M7: 2,549,297 km (0.11 R)
• M8: 4,129,799 km (0.05 R)
• M9: 4,478,661 km (0.113 R)
• M10: 4,951,241 km (0.116 R)
• M11: 5,345,581 km (0.048 R)
• M12: 5,722,119 km (0.047 R)
• M13: 6,507,507 km (0.088 R)
• M14: 7,025,565 km (0.03 R)
• M15: 8,095,190 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.5

Radius: 13.7

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.63 AU - 2.15 AU

Year: 1678 Days

Day: 14.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,574,106 km

• M1: 177,573 km (0.085 R)
• M2: 674,387 km (0.062 R)
• M3: 1,188,256 km (0.109 R)
• M4: 2,095,118 km (0.113 R)
• M5: 3,650,338 km (0.108 R)
• M6: 5,425,017 km (0.044 R)
• M7: 6,407,875 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999

Radius: 10.8

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.43 AU - 3.43 AU

Year: 3238 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,574,106 km

• M1: 134,339 km (0.06 R)
• M2: 547,229 km (0.033 R)
• M3: 1,717,832 km (0.12 R)
• M4: 2,632,474 km (0.049 R)
• M5: 3,152,626 km (0.079 R)
• M6: 3,516,747 km (0.1 R)
• M7: 3,952,077 km (0.108 R)
• M8: 4,423,160 km (0.119 R)
• M9: 5,979,128 km (0.107 R)
• M10: 8,402,164 km (0.095 R)
• M11: 8,880,429 km (0.037 R)
• M12: 12,281,536 km (0.119 R)
• M13: 12,658,523 km (0.06 R)
• M14: 14,193,547 km (0.057 R)
• M15: 17,869,017 km (0.116 R)
• M16: 18,972,002 km (0.101 R)
• M17: 20,644,506 km (0.071 R)
• M18: 21,996,422 km (0.026 R)
• M19: 22,694,147 km (0.118 R)
• M20: 23,406,532 km (0.113 R)
• M21: 25,177,022 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163

Radius: 11.4

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.28 AU - 4.34 AU

Year: 4802 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,574,106 km

• M1: 149,448 km (0.074 R)
• M2: 1,866,682 km (0.105 R)
• M3: 3,332,592 km (0.074 R)
• M4: 3,759,843 km (0.118 R)
• M5: 4,879,284 km (0.053 R)
• M6: 5,799,161 km (0.112 R)
• M7: 10,289,491 km (0.116 R)
• M8: 16,737,907 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.4

Radius: 9.4

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.61 AU - 4.01 AU

Year: 4802 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 32,574,106 km

• M1: 143,016 km (0.044 R)
• M2: 453,132 km (0.112 R)
• M3: 1,002,007 km (0.109 R)
• M4: 1,381,387 km (0.029 R)
• M5: 1,774,380 km (0.106 R)
• M6: 2,487,364 km (0.11 R)
• M7: 3,774,205 km (0.094 R)
• M8: 4,077,440 km (0.066 R)
• M9: 4,680,618 km (0.118 R)
• M10: 5,031,575 km (0.088 R)
• M11: 6,681,789 km (0.097 R)
• M12: 6,988,315 km (0.065 R)
• M13: 7,411,827 km (0.119 R)
• M14: 8,194,074 km (0.107 R)
• M15: 9,705,012 km (0.068 R)
• M16: 11,931,178 km (0.105 R)
• M17: 12,332,699 km (0.099 R)
• M18: 13,864,581 km (0.095 R)
• M19: 14,196,838 km (0.116 R)
• M20: 17,111,752 km (0.115 R)
• M21: 21,196,672 km (0.1 R)
• M22: 21,490,033 km (0.044 R)
• M23: 22,462,569 km (0.108 R)
• M24: 22,844,343 km (0.06 R)
• M25: 23,464,127 km (0.111 R)
• M26: 25,308,669 km (0.081 R)
• M27: 26,562,448 km (0.075 R)
• M28: 28,297,933 km (0.106 R)
• M29: 28,922,804 km (0.108 R)
• M30: 29,739,757 km (0.036 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: 542 - 13,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit