🌌 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 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.47 AU - 0.55 AU

Year: 239 Days

Day: 27.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 34,926,356 km

• M1: 51,611 km (0.051 R)
• M2: 105,915 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 8.5

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.64 AU - 0.9 AU

Year: 443 Days

Day: 10 Hours

Environment

Temp: -135 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,926,356 km

• M1: 105,766 km (0.11 R)
• M2: 370,404 km (0.102 R)
• M3: 794,065 km (0.107 R)
• M4: 1,219,971 km (0.079 R)
• M5: 2,214,946 km (0.051 R)
• M6: 2,586,846 km (0.078 R)
• M7: 3,087,850 km (0.069 R)
• M8: 3,652,282 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.7

Radius: 14.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.91 AU - 3.11 AU

Year: 2609 Days

Day: 6.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,926,356 km

• M1: 181,612 km (0.086 R)
• M2: 742,155 km (0.111 R)
• M3: 1,566,738 km (0.056 R)
• M4: 2,491,702 km (0.118 R)
• M5: 3,206,780 km (0.119 R)
• M6: 4,121,122 km (0.073 R)
• M7: 6,601,754 km (0.059 R)
• M8: 7,112,032 km (0.095 R)
• M9: 8,477,562 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.3

Radius: 9.8

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.69 AU - 2.87 AU

Year: 3041 Days

Day: 9.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,926,356 km

• M1: 122,371 km (0.061 R)
• M2: 735,274 km (0.107 R)
• M3: 1,045,689 km (0.088 R)
• M4: 1,374,356 km (0.09 R)
• M5: 1,948,662 km (0.077 R)
• M6: 2,292,139 km (0.07 R)
• M7: 2,858,367 km (0.041 R)
• M8: 3,574,641 km (0.112 R)
• M9: 4,007,577 km (0.118 R)
• M10: 5,361,438 km (0.106 R)
• M11: 6,185,872 km (0.066 R)
• M12: 6,658,900 km (0.066 R)
• M13: 9,395,943 km (0.086 R)
• M14: 9,784,000 km (0.074 R)
• M15: 10,304,301 km (0.036 R)
• M16: 10,885,339 km (0.119 R)
• M17: 11,270,105 km (0.088 R)
• M18: 11,619,865 km (0.045 R)
• M19: 13,044,037 km (0.096 R)
• M20: 13,773,476 km (0.069 R)
• M21: 14,224,065 km (0.069 R)
• M22: 16,626,158 km (0.082 R)
• M23: 18,370,319 km (0.075 R)
• M24: 21,078,190 km (0.1 R)
• M25: 21,878,988 km (0.099 R)
• M26: 24,113,531 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449

Radius: 10.3

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.19 AU - 4.85 AU

Year: 6304 Days

Day: 14.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,926,356 km

• M1: 128,056 km (0.076 R)
• M2: 457,171 km (0.108 R)
• M3: 993,031 km (0.106 R)
• M4: 2,183,381 km (0.11 R)
• M5: 2,689,620 km (0.049 R)
• M6: 4,148,050 km (0.118 R)
• M7: 4,564,530 km (0.119 R)
• M8: 5,684,869 km (0.11 R)
• M9: 6,581,858 km (0.095 R)
• M10: 7,081,514 km (0.077 R)
• M11: 8,119,424 km (0.05 R)
• M12: 9,174,089 km (0.079 R)
• M13: 10,055,670 km (0.072 R)
• M14: 13,457,226 km (0.119 R)
• M15: 15,387,487 km (0.048 R)
• M16: 17,621,732 km (0.102 R)
• M17: 18,003,356 km (0.025 R)
• M18: 18,390,515 km (0.097 R)
• M19: 20,132,881 km (0.115 R)
• M20: 22,056,112 km (0.067 R)
• M21: 22,574,019 km (0.044 R)
• M22: 25,528,727 km (0.091 R)
• M23: 26,762,909 km (0.098 R)
• M24: 27,098,607 km (0.116 R)
• M25: 27,692,959 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 12.2

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.44 AU - 7.32 AU

Year: 9354 Days

Day: 5 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,926,356 km

• M1: 153,787 km (0.079 R)
• M2: 1,301,950 km (0.062 R)
• M3: 1,801,308 km (0.028 R)
• M4: 2,214,497 km (0.109 R)
• M5: 2,935,858 km (0.115 R)
• M6: 3,625,654 km (0.083 R)
• M7: 4,369,455 km (0.107 R)
• M8: 5,506,698 km (0.091 R)
• M9: 6,226,114 km (0.11 R)
• M10: 7,366,648 km (0.077 R)
• M11: 8,006,179 km (0.077 R)
• M12: 10,378,203 km (0.112 R)
• M13: 12,336,888 km (0.079 R)
• M14: 16,027,467 km (0.109 R)
• M15: 17,956,382 km (0.115 R)
• M16: 24,666,744 km (0.1 R)
• M17: 25,165,952 km (0.036 R)
• M18: 25,671,743 km (0.081 R)
• M19: 26,098,545 km (0.03 R)
• M20: 26,966,213 km (0.113 R)
• M21: 29,591,656 km (0.089 R)
• M22: 30,155,340 km (0.082 R)
• M23: 31,595,968 km (0.119 R)
• M24: 32,881,313 km (0.1 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: 246 - 16,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit