🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.1

Radius: 12.3

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.5 AU - 0.58 AU

Year: 274 Days

Day: 11 Hours

Environment

Temp: -138 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,181,589 km

• M1: 153,039 km (0.1 R)
• M2: 537,505 km (0.053 R)
• M3: 935,435 km (0.098 R)
• M4: 1,436,140 km (0.056 R)
• M5: 1,829,582 km (0.114 R)
• M6: 2,577,422 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.4

Radius: 8.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.6 AU - 0.74 AU

Year: 379 Days

Day: 6.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 56,181,589 km

• M1: 108,159 km (0.061 R)
• M2: 573,109 km (0.068 R)
• M3: 888,013 km (0.118 R)
• M4: 1,196,035 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.6

Radius: 11.7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.96 AU - 1.08 AU

Year: 711 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,181,589 km

• M1: 145,559 km (0.068 R)
• M2: 510,428 km (0.118 R)
• M3: 932,144 km (0.073 R)
• M4: 2,128,479 km (0.036 R)
• M5: 2,513,843 km (0.099 R)
• M6: 3,254,352 km (0.039 R)
• M7: 4,068,164 km (0.096 R)
• M8: 4,552,263 km (0.068 R)
• M9: 5,342,439 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808

Radius: 8.1

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.03 AU - 1.41 AU

Year: 930 Days

Day: 12.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,181,589 km

• M1: 100,679 km (0.054 R)
• M2: 585,077 km (0.092 R)
• M3: 852,708 km (0.111 R)
• M4: 1,211,144 km (0.054 R)
• M5: 1,713,045 km (0.119 R)
• M6: 2,258,629 km (0.117 R)
• M7: 3,323,915 km (0.114 R)
• M8: 3,587,207 km (0.105 R)
• M9: 3,864,263 km (0.073 R)
• M10: 4,620,480 km (0.073 R)
• M11: 5,157,985 km (0.072 R)
• M12: 5,736,330 km (0.051 R)
• M13: 6,009,346 km (0.043 R)
• M14: 6,379,452 km (0.093 R)
• M15: 6,764,666 km (0.064 R)
• M16: 7,432,920 km (0.087 R)
• M17: 8,144,407 km (0.071 R)
• M18: 8,652,591 km (0.077 R)
• M19: 9,614,655 km (0.098 R)
• M20: 10,000,618 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.7

Radius: 8

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.79 AU - 1.89 AU

Year: 1723 Days

Day: 8.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 106.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,181,589 km

• M1: 101,427 km (0.109 R)
• M2: 656,735 km (0.115 R)
• M3: 1,028,934 km (0.113 R)
• M4: 1,435,392 km (0.025 R)
• M5: 1,770,491 km (0.081 R)
• M6: 2,384,291 km (0.116 R)
• M7: 2,962,487 km (0.115 R)
• M8: 3,293,248 km (0.113 R)
• M9: 3,736,656 km (0.103 R)
• M10: 4,722,057 km (0.094 R)
• M11: 5,727,055 km (0.119 R)
• M12: 6,017,724 km (0.095 R)
• M13: 6,267,403 km (0.069 R)
• M14: 6,523,963 km (0.085 R)
• M15: 7,621,563 km (0.047 R)
• M16: 8,003,336 km (0.057 R)
• M17: 8,305,823 km (0.069 R)
• M18: 8,837,494 km (0.078 R)
• M19: 10,533,186 km (0.103 R)
• M20: 12,841,332 km (0.074 R)
• M21: 13,214,429 km (0.114 R)
• M22: 15,747,719 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.2

Radius: 8.1

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.74 AU - 2.12 AU

Year: 1851 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,181,589 km

• M1: 100,829 km (0.112 R)
• M2: 487,689 km (0.105 R)
• M3: 891,304 km (0.084 R)
• M4: 1,445,863 km (0.091 R)
• M5: 2,748,412 km (0.108 R)
• M6: 3,367,448 km (0.113 R)
• M7: 5,971,349 km (0.099 R)
• M8: 7,788,215 km (0.097 R)
• M9: 9,749,592 km (0.08 R)
• M10: 10,688,020 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.3

Radius: 11.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.2 AU - 2.46 AU

Year: 2455 Days

Day: 9.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 124.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,181,589 km

• M1: 141,968 km (0.078 R)
• M2: 556,654 km (0.084 R)
• M3: 984,653 km (0.116 R)
• M4: 1,342,042 km (0.103 R)
• M5: 1,771,688 km (0.109 R)
• M6: 2,196,546 km (0.049 R)
• M7: 2,858,367 km (0.108 R)
• M8: 3,461,396 km (0.105 R)
• M9: 4,103,170 km (0.053 R)
• M10: 5,006,891 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.1

Radius: 3.5

Gravity: 72.09 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.16 AU - 6.64 AU

Year: 11176 Days

Day: 22.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 56,181,589 km

• M1: 43,533 km (0.1 R)
• M2: 309,668 km (0.116 R)
• M3: 534,214 km (0.062 R)
• M4: 717,621 km (0.116 R)
• M5: 1,426,864 km (0.105 R)
• M6: 1,900,342 km (0.119 R)
• M7: 2,042,609 km (0.119 R)
• M8: 2,597,767 km (0.112 R)
• M9: 2,956,802 km (0.09 R)
• M10: 4,858,340 km (0.117 R)
• M11: 5,579,402 km (0.116 R)
• M12: 6,022,062 km (0.107 R)
• M13: 6,174,652 km (0.039 R)
• M14: 6,648,129 km (0.025 R)
• M15: 7,756,201 km (0.063 R)
• M16: 8,306,871 km (0.047 R)
• M17: 8,448,540 km (0.038 R)
• M18: 8,834,203 km (0.115 R)
• M19: 9,640,536 km (0.09 R)
• M20: 10,222,621 km (0.117 R)
• M21: 11,340,267 km (0.113 R)
• M22: 15,247,913 km (0.102 R)
• M23: 19,630,831 km (0.051 R)
• M24: 20,136,023 km (0.087 R)
• M25: 21,703,210 km (0.071 R)
• M26: 23,726,821 km (0.067 R)
• M27: 24,203,589 km (0.12 R)
• M28: 24,686,790 km (0.075 R)
• M29: 26,889,469 km (0.084 R)
• M30: 28,250,660 km (0.103 R)
• M31: 29,437,719 km (0.088 R)
• M32: 31,337,164 km (0.098 R)
• M33: 32,726,180 km (0.096 R)
• M34: 39,752,642 km (0.096 R)
• M35: 40,289,848 km (0.032 R)
• M36: 40,831,841 km (0.111 R)
• M37: 42,487,142 km (0.101 R)
• M38: 43,048,732 km (0.057 R)
• M39: 45,930,735 km (0.083 R)
• M40: 50,334,298 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 15,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit