🌌 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: 249.4

Radius: 14.1

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.52 AU - 0.62 AU

Year: 287 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,502,757 km

• M1: 175,777 km (0.079 R)
• M2: 776,263 km (0.095 R)
• M3: 1,506,750 km (0.055 R)
• M4: 2,423,336 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 8.3

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.56 AU - 0.84 AU

Year: 391 Days

Day: 5.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,502,757 km

• M1: 104,868 km (0.11 R)
• M2: 366,365 km (0.11 R)
• M3: 1,076,207 km (0.112 R)
• M4: 1,477,279 km (0.087 R)
• M5: 1,843,195 km (0.083 R)
• M6: 2,208,065 km (0.099 R)
• M7: 3,008,264 km (0.057 R)
• M8: 4,433,632 km (0.11 R)
• M9: 4,851,160 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.6

Radius: 13.1

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.55 AU - 1.77 AU

Year: 1426 Days

Day: 8.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,502,757 km

• M1: 165,455 km (0.045 R)
• M2: 631,004 km (0.049 R)
• M3: 1,068,129 km (0.108 R)
• M4: 2,606,892 km (0.06 R)
• M5: 3,091,141 km (0.1 R)
• M6: 3,861,420 km (0.04 R)
• M7: 4,309,316 km (0.099 R)
• M8: 4,991,183 km (0.111 R)
• M9: 5,643,580 km (0.057 R)
• M10: 6,549,395 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.6

Radius: 10.6

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.85 AU - 1.99 AU

Year: 1774 Days

Day: 11.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,502,757 km

• M1: 132,095 km (0.11 R)
• M2: 491,728 km (0.099 R)
• M3: 883,974 km (0.069 R)
• M4: 1,314,068 km (0.076 R)
• M5: 1,791,285 km (0.088 R)
• M6: 2,226,016 km (0.112 R)
• M7: 2,623,947 km (0.116 R)
• M8: 2,981,934 km (0.041 R)
• M9: 3,970,926 km (0.045 R)
• M10: 4,370,203 km (0.114 R)
• M11: 5,575,812 km (0.09 R)
• M12: 7,146,889 km (0.1 R)
• M13: 7,740,194 km (0.077 R)
• M14: 8,106,110 km (0.046 R)
• M15: 8,902,868 km (0.057 R)
• M16: 9,336,254 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.4

Radius: 14.9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.97 AU - 2.35 AU

Year: 2117 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,502,757 km

• M1: 185,352 km (0.095 R)
• M2: 713,432 km (0.08 R)
• M3: 1,497,026 km (0.069 R)
• M4: 2,076,119 km (0.118 R)
• M5: 2,539,573 km (0.119 R)
• M6: 3,214,260 km (0.102 R)
• M7: 3,682,052 km (0.072 R)
• M8: 4,969,940 km (0.043 R)
• M9: 5,861,993 km (0.06 R)
• M10: 7,187,280 km (0.085 R)
• M11: 8,237,457 km (0.092 R)
• M12: 9,589,373 km (0.099 R)
• M13: 10,425,924 km (0.112 R)
• M14: 11,849,348 km (0.045 R)
• M15: 13,314,210 km (0.085 R)
• M16: 14,134,605 km (0.056 R)
• M17: 14,760,373 km (0.07 R)
• M18: 16,115,730 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683

Radius: 10.4

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.52 AU - 6.22 AU

Year: 8298 Days

Day: 9.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,502,757 km

• M1: 129,851 km (0.104 R)
• M2: 466,596 km (0.117 R)
• M3: 844,929 km (0.103 R)
• M4: 1,422,077 km (0.065 R)
• M5: 1,801,009 km (0.099 R)
• M6: 2,847,745 km (0.098 R)
• M7: 4,074,298 km (0.113 R)
• M8: 4,820,791 km (0.047 R)
• M9: 5,623,384 km (0.088 R)
• M10: 7,336,280 km (0.059 R)
• M11: 9,418,682 km (0.086 R)
• M12: 10,323,151 km (0.101 R)
• M13: 10,872,773 km (0.11 R)
• M14: 13,738,919 km (0.094 R)
• M15: 15,996,052 km (0.081 R)
• M16: 16,596,837 km (0.091 R)
• M17: 23,629,582 km (0.079 R)
• M18: 24,234,406 km (0.051 R)
• M19: 25,027,125 km (0.109 R)
• M20: 33,929,695 km (0.109 R)
• M21: 39,083,192 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.1

Radius: 7.5

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.17 AU - 6.99 AU

Year: 9997 Days

Day: 21.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,502,757 km

• M1: 93,349 km (0.047 R)
• M2: 339,587 km (0.12 R)
• M3: 721,511 km (0.097 R)
• M4: 1,035,516 km (0.1 R)
• M5: 1,439,880 km (0.104 R)
• M6: 2,081,206 km (0.051 R)
• M7: 2,333,128 km (0.093 R)
• M8: 2,899,057 km (0.109 R)
• M9: 4,105,564 km (0.101 R)
• M10: 4,504,541 km (0.12 R)
• M11: 4,867,017 km (0.118 R)
• M12: 6,514,838 km (0.031 R)
• M13: 7,138,362 km (0.063 R)
• M14: 11,027,308 km (0.101 R)
• M15: 11,298,828 km (0.057 R)
• M16: 12,429,937 km (0.039 R)
• M17: 13,759,264 km (0.089 R)
• M18: 14,587,887 km (0.113 R)
• M19: 15,314,783 km (0.095 R)
• M20: 16,983,996 km (0.119 R)
• M21: 19,630,532 km (0.119 R)
• M22: 24,233,957 km (0.103 R)
• M23: 24,971,924 km (0.099 R)
• M24: 36,573,239 km (0.117 R)
• M25: 37,421,608 km (0.066 R)
• M26: 38,781,154 km (0.085 R)
• M27: 40,429,872 km (0.119 R)
• M28: 45,935,373 km (0.098 R)
• M29: 47,636,600 km (0.11 R)
• M30: 48,212,851 km (0.053 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 20,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit