🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.5

Radius: 15

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.65 AU - 0.73 AU

Year: 389 Days

Day: 8.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,999,437 km

• M1: 186,698 km (0.089 R)
• M2: 800,498 km (0.086 R)
• M3: 1,298,659 km (0.108 R)
• M4: 1,793,529 km (0.063 R)
• M5: 2,658,803 km (0.039 R)
• M6: 3,667,093 km (0.042 R)
• M7: 4,213,723 km (0.101 R)
• M8: 5,472,889 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777

Radius: 10.6

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.86 AU - 1 AU

Year: 608 Days

Day: 12.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,999,437 km

• M1: 132,095 km (0.079 R)
• M2: 548,875 km (0.069 R)
• M3: 1,009,636 km (0.062 R)
• M4: 1,684,771 km (0.118 R)
• M5: 2,851,934 km (0.119 R)
• M6: 3,574,492 km (0.116 R)
• M7: 4,037,647 km (0.064 R)
• M8: 4,865,372 km (0.117 R)
• M9: 5,293,371 km (0.073 R)
• M10: 6,566,000 km (0.088 R)
• M11: 7,111,284 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.5

Radius: 8.5

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.9 AU - 1.46 AU

Year: 869 Days

Day: 12.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,999,437 km

• M1: 105,766 km (0.097 R)
• M2: 417,677 km (0.112 R)
• M3: 884,572 km (0.078 R)
• M4: 1,426,565 km (0.094 R)
• M5: 1,782,010 km (0.039 R)
• M6: 2,122,794 km (0.085 R)
• M7: 2,483,773 km (0.063 R)
• M8: 3,028,758 km (0.085 R)
• M9: 3,636,275 km (0.108 R)
• M10: 4,106,312 km (0.062 R)
• M11: 4,813,910 km (0.103 R)
• M12: 5,303,245 km (0.055 R)
• M13: 6,056,171 km (0.075 R)
• M14: 6,425,378 km (0.105 R)
• M15: 6,763,469 km (0.043 R)
• M16: 7,280,779 km (0.11 R)
• M17: 7,773,704 km (0.109 R)
• M18: 8,054,200 km (0.069 R)
• M19: 9,103,778 km (0.053 R)
• M20: 10,181,332 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.2

Radius: 13.8

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.07 AU - 1.77 AU

Year: 1148 Days

Day: 11.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,999,437 km

• M1: 172,486 km (0.047 R)
• M2: 619,485 km (0.082 R)
• M3: 1,266,196 km (0.075 R)
• M4: 1,909,766 km (0.074 R)
• M5: 3,262,281 km (0.114 R)
• M6: 4,110,800 km (0.12 R)
• M7: 4,615,094 km (0.066 R)
• M8: 5,854,662 km (0.108 R)
• M9: 7,182,493 km (0.072 R)
• M10: 7,761,586 km (0.074 R)
• M11: 8,317,492 km (0.084 R)
• M12: 8,871,303 km (0.105 R)
• M13: 9,390,857 km (0.046 R)
• M14: 9,869,720 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887

Radius: 11.8

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.34 AU - 1.5 AU

Year: 1148 Days

Day: 5 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,999,437 km

• M1: 147,952 km (0.115 R)
• M2: 588,817 km (0.087 R)
• M3: 1,136,495 km (0.118 R)
• M4: 1,503,459 km (0.113 R)
• M5: 1,982,471 km (0.098 R)
• M6: 2,392,668 km (0.119 R)
• M7: 2,982,682 km (0.083 R)
• M8: 3,588,404 km (0.106 R)
• M9: 3,980,201 km (0.096 R)
• M10: 4,811,965 km (0.12 R)
• M11: 5,352,013 km (0.112 R)
• M12: 5,865,882 km (0.077 R)
• M13: 7,450,572 km (0.081 R)
• M14: 7,901,311 km (0.074 R)
• M15: 9,183,514 km (0.109 R)
• M16: 9,702,320 km (0.119 R)
• M17: 11,446,780 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.8

Radius: 13.1

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.24 AU - 3.5 AU

Year: 4196 Days

Day: 11 Hours

Environment

Temp: -209 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,999,437 km

• M1: 180,565 km (0.078 R)
• M2: 705,653 km (0.055 R)
• M3: 1,196,633 km (0.076 R)
• M4: 1,625,680 km (0.113 R)
• M5: 2,469,562 km (0.086 R)
• M6: 2,936,457 km (0.102 R)
• M7: 3,401,108 km (0.105 R)
• M8: 5,346,777 km (0.054 R)
• M9: 6,136,205 km (0.117 R)
• M10: 7,035,588 km (0.106 R)
• M11: 8,818,944 km (0.086 R)
• M12: 10,796,628 km (0.053 R)
• M13: 13,890,761 km (0.088 R)
• M14: 15,041,767 km (0.11 R)
• M15: 15,727,374 km (0.113 R)
• M16: 17,470,937 km (0.064 R)
• M17: 18,681,034 km (0.106 R)
• M18: 19,878,116 km (0.099 R)
• M19: 22,795,424 km (0.097 R)
• M20: 24,084,808 km (0.108 R)
• M21: 28,330,845 km (0.085 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: 224 - 14,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit