🌌 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: 583

Radius: 12.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.46 AU - 0.68 AU

Year: 292 Days

Day: 8.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,128,846 km

• M1: 156,779 km (0.094 R)
• M2: 593,006 km (0.112 R)
• M3: 1,048,531 km (0.118 R)
• M4: 1,484,609 km (0.085 R)
• M5: 1,992,644 km (0.084 R)
• M6: 2,452,956 km (0.107 R)
• M7: 3,827,910 km (0.061 R)
• M8: 4,219,707 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.6

Radius: 14.8

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.45 AU - 0.71 AU

Year: 300 Days

Day: 7.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,128,846 km

• M1: 184,005 km (0.114 R)
• M2: 660,923 km (0.108 R)
• M3: 1,144,274 km (0.098 R)
• M4: 1,672,654 km (0.079 R)
• M5: 2,332,530 km (0.118 R)
• M6: 3,020,680 km (0.059 R)
• M7: 3,518,841 km (0.094 R)
• M8: 4,442,608 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.4

Radius: 12.7

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.58 AU - 0.66 AU

Year: 331 Days

Day: 6.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,128,846 km

• M1: 164,109 km (0.12 R)
• M2: 655,837 km (0.064 R)
• M3: 1,114,355 km (0.043 R)
• M4: 1,533,528 km (0.082 R)
• M5: 2,009,997 km (0.099 R)
• M6: 2,628,135 km (0.095 R)
• M7: 3,720,050 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.2

Radius: 12.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.87 AU - 0.99 AU

Year: 608 Days

Day: 12 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,128,846 km

• M1: 154,235 km (0.108 R)
• M2: 654,640 km (0.095 R)
• M3: 1,119,590 km (0.114 R)
• M4: 1,506,002 km (0.084 R)
• M5: 2,127,132 km (0.12 R)
• M6: 2,523,118 km (0.117 R)
• M7: 2,936,008 km (0.104 R)
• M8: 3,578,381 km (0.108 R)
• M9: 4,312,757 km (0.117 R)
• M10: 4,939,273 km (0.079 R)
• M11: 5,642,832 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.5

Radius: 8.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.81 AU - 1.11 AU

Year: 638 Days

Day: 12.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,128,846 km

• M1: 109,057 km (0.068 R)
• M2: 373,396 km (0.104 R)
• M3: 1,178,233 km (0.11 R)
• M4: 1,455,587 km (0.111 R)
• M5: 1,732,942 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.4

Radius: 14.9

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.14 AU - 1.56 AU

Year: 1064 Days

Day: 8.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,128,846 km

• M1: 265,536 km (0.096 R)
• M2: 820,245 km (0.119 R)
• M3: 1,627,924 km (0.075 R)
• M4: 2,352,576 km (0.08 R)
• M5: 3,805,919 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.3

Radius: 14.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.04 AU - 1.72 AU

Year: 1100 Days

Day: 10.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,128,846 km

• M1: 185,352 km (0.115 R)
• M2: 734,675 km (0.075 R)
• M3: 1,456,784 km (0.092 R)
• M4: 2,142,690 km (0.072 R)
• M5: 3,141,406 km (0.059 R)
• M6: 4,287,924 km (0.102 R)
• M7: 4,856,096 km (0.074 R)
• M8: 5,340,046 km (0.06 R)
• M9: 6,293,283 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.5

Radius: 5.9

Gravity: 24.78 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.63 AU - 11.31 AU

Year: 22978 Days

Day: 15.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,128,846 km

• M1: 76,893 km (0.115 R)
• M2: 336,745 km (0.056 R)
• M3: 872,156 km (0.085 R)
• M4: 1,349,672 km (0.036 R)
• M5: 1,619,995 km (0.074 R)
• M6: 2,008,202 km (0.115 R)
• M7: 2,224,670 km (0.08 R)
• M8: 2,553,785 km (0.073 R)
• M9: 2,969,368 km (0.07 R)
• M10: 3,901,512 km (0.088 R)
• M11: 4,205,346 km (0.103 R)
• M12: 5,132,853 km (0.083 R)
• M13: 5,967,609 km (0.117 R)
• M14: 9,069,670 km (0.103 R)
• M15: 9,483,009 km (0.089 R)
• M16: 10,095,164 km (0.111 R)
• M17: 12,445,944 km (0.095 R)
• M18: 15,635,670 km (0.113 R)
• M19: 18,381,390 km (0.098 R)
• M20: 21,536,109 km (0.037 R)
• M21: 28,389,637 km (0.117 R)
• M22: 32,715,558 km (0.071 R)
• M23: 34,391,503 km (0.115 R)
• M24: 36,714,160 km (0.119 R)
• M25: 37,161,009 km (0.107 R)
• M26: 38,984,607 km (0.069 R)
• M27: 42,155,334 km (0.067 R)
• M28: 43,138,940 km (0.111 R)
• M29: 45,322,620 km (0.106 R)
• M30: 57,154,166 km (0.116 R)
• M31: 58,156,621 km (0.091 R)
• M32: 58,967,142 km (0.057 R)
• M33: 67,936,582 km (0.086 R)
• M34: 70,656,870 km (0.105 R)
• M35: 84,056,800 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 14,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit