🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.8

Radius: 9.3

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.5 AU - 0.52 AU

Year: 247 Days

Day: 6.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,557,670 km

• M1: 115,639 km (0.1 R)
• M2: 483,650 km (0.113 R)
• M3: 800,049 km (0.092 R)
• M4: 1,187,059 km (0.09 R)
• M5: 1,533,229 km (0.109 R)
• M6: 1,939,536 km (0.118 R)
• M7: 2,333,577 km (0.088 R)
• M8: 2,752,750 km (0.101 R)
• M9: 4,109,304 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.5

Radius: 13.3

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.47 AU - 0.75 AU

Year: 323 Days

Day: 12.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 16,557,670 km

• M1: 165,455 km (0.108 R)
• M2: 664,663 km (0.114 R)
• M3: 1,514,978 km (0.086 R)
• M4: 1,949,410 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.2

Radius: 13.2

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.8 AU - 1.08 AU

Year: 618 Days

Day: 10.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,557,670 km

• M1: 164,109 km (0.054 R)
• M2: 683,213 km (0.097 R)
• M3: 1,207,853 km (0.117 R)
• M4: 1,632,113 km (0.089 R)
• M5: 2,452,208 km (0.107 R)
• M6: 3,832,398 km (0.114 R)
• M7: 5,127,018 km (0.111 R)
• M8: 5,624,132 km (0.1 R)
• M9: 6,095,066 km (0.113 R)
• M10: 6,840,662 km (0.049 R)
• M11: 7,356,326 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459

Radius: 10.8

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.16 AU - 1.44 AU

Year: 1005 Days

Day: 8.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,557,670 km

• M1: 134,339 km (0.1 R)
• M2: 491,728 km (0.072 R)
• M3: 981,512 km (0.116 R)
• M4: 1,564,794 km (0.107 R)
• M5: 1,978,581 km (0.083 R)
• M6: 3,264,974 km (0.05 R)
• M7: 3,873,388 km (0.111 R)
• M8: 4,882,426 km (0.095 R)
• M9: 6,243,617 km (0.096 R)
• M10: 6,889,281 km (0.102 R)
• M11: 7,460,745 km (0.067 R)
• M12: 8,724,697 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.9

Radius: 8.1

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.34 AU - 1.5 AU

Year: 1148 Days

Day: 13.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,557,670 km

• M1: 100,829 km (0.085 R)
• M2: 360,531 km (0.105 R)
• M3: 679,025 km (0.086 R)
• M4: 1,021,005 km (0.094 R)
• M5: 1,288,786 km (0.074 R)
• M6: 1,569,282 km (0.095 R)
• M7: 1,861,596 km (0.072 R)
• M8: 2,718,493 km (0.067 R)
• M9: 3,143,650 km (0.079 R)
• M10: 4,060,236 km (0.057 R)
• M11: 5,525,397 km (0.067 R)
• M12: 6,275,780 km (0.1 R)
• M13: 6,594,424 km (0.057 R)
• M14: 7,043,965 km (0.103 R)
• M15: 7,795,395 km (0.071 R)
• M16: 8,571,360 km (0.032 R)
• M17: 9,049,624 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.1

Radius: 13.9

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.62 AU - 1.78 AU

Year: 1503 Days

Day: 12.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,557,670 km

• M1: 173,085 km (0.056 R)
• M2: 803,041 km (0.117 R)
• M3: 1,328,728 km (0.095 R)
• M4: 1,826,440 km (0.037 R)
• M5: 2,299,469 km (0.105 R)
• M6: 3,074,984 km (0.094 R)
• M7: 4,222,250 km (0.087 R)
• M8: 4,750,780 km (0.04 R)
• M9: 6,182,581 km (0.103 R)
• M10: 6,684,482 km (0.109 R)
• M11: 8,568,368 km (0.086 R)
• M12: 10,223,518 km (0.091 R)
• M13: 10,820,115 km (0.031 R)
• M14: 11,589,048 km (0.081 R)
• M15: 12,591,204 km (0.081 R)
• M16: 13,072,909 km (0.113 R)
• M17: 13,525,293 km (0.071 R)
• M18: 14,245,008 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.6

Radius: 9.5

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.54 AU - 2.2 AU

Year: 1734 Days

Day: 14.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 16,557,670 km

• M1: 118,182 km (0.093 R)
• M2: 799,152 km (0.045 R)
• M3: 1,251,237 km (0.063 R)
• M4: 1,718,281 km (0.044 R)
• M5: 2,100,055 km (0.114 R)
• M6: 2,429,619 km (0.068 R)
• M7: 2,823,510 km (0.073 R)
• M8: 3,162,649 km (0.112 R)
• M9: 3,960,753 km (0.083 R)
• M10: 4,287,774 km (0.064 R)
• M11: 4,780,250 km (0.113 R)
• M12: 5,660,783 km (0.101 R)
• M13: 6,203,225 km (0.099 R)
• M14: 9,050,372 km (0.059 R)
• M15: 10,465,568 km (0.068 R)
• M16: 10,869,183 km (0.033 R)
• M17: 12,384,310 km (0.12 R)
• M18: 13,129,308 km (0.096 R)
• M19: 13,685,512 km (0.08 R)
• M20: 14,617,358 km (0.032 R)
• M21: 15,828,951 km (0.09 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 16,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit