🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.9

Radius: 9.6

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.51 AU - 0.65 AU

Year: 305 Days

Day: 7.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,604,034 km

• M1: 119,529 km (0.105 R)
• M2: 467,942 km (0.104 R)
• M3: 825,631 km (0.081 R)
• M4: 1,129,015 km (0.082 R)
• M5: 1,520,363 km (0.052 R)
• M6: 2,236,638 km (0.12 R)
• M7: 3,412,776 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.4

Radius: 11.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.04 AU - 2.92 AU

Year: 2696 Days

Day: 8.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 58.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,604,034 km

• M1: 147,952 km (0.093 R)
• M2: 540,497 km (0.11 R)
• M3: 1,053,618 km (0.113 R)
• M4: 1,660,686 km (0.034 R)
• M5: 2,100,653 km (0.106 R)
• M6: 2,691,116 km (0.097 R)
• M7: 3,690,879 km (0.105 R)
• M8: 4,327,118 km (0.05 R)
• M9: 4,923,266 km (0.12 R)
• M10: 5,334,959 km (0.091 R)
• M11: 6,359,705 km (0.079 R)
• M12: 7,392,977 km (0.109 R)
• M13: 9,862,389 km (0.062 R)
• M14: 11,322,913 km (0.114 R)
• M15: 15,188,373 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.7

Radius: 14.1

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2 AU - 3.1 AU

Year: 2811 Days

Day: 12.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,604,034 km

• M1: 175,478 km (0.09 R)
• M2: 635,641 km (0.088 R)
• M3: 1,405,771 km (0.077 R)
• M4: 2,221,379 km (0.107 R)
• M5: 2,696,801 km (0.046 R)
• M6: 3,178,506 km (0.07 R)
• M7: 4,919,825 km (0.037 R)
• M8: 5,832,223 km (0.108 R)
• M9: 6,620,454 km (0.115 R)
• M10: 7,230,065 km (0.115 R)
• M11: 9,648,015 km (0.077 R)
• M12: 10,189,859 km (0.102 R)
• M13: 10,680,540 km (0.095 R)
• M14: 12,209,281 km (0.104 R)
• M15: 12,723,299 km (0.092 R)
• M16: 14,050,382 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 12.4

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.33 AU - 3.68 AU

Year: 3587 Days

Day: 10.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,604,034 km

• M1: 154,385 km (0.118 R)
• M2: 857,345 km (0.081 R)
• M3: 1,700,180 km (0.087 R)
• M4: 2,106,787 km (0.086 R)
• M5: 2,857,619 km (0.049 R)
• M6: 3,458,254 km (0.072 R)
• M7: 3,858,129 km (0.114 R)
• M8: 6,458,140 km (0.04 R)
• M9: 7,280,779 km (0.099 R)
• M10: 9,206,103 km (0.101 R)
• M11: 10,286,649 km (0.098 R)
• M12: 10,757,882 km (0.062 R)
• M13: 11,243,477 km (0.066 R)
• M14: 12,743,943 km (0.079 R)
• M15: 13,519,309 km (0.113 R)
• M16: 14,037,516 km (0.064 R)
• M17: 14,914,010 km (0.033 R)
• M18: 17,320,142 km (0.1 R)
• M19: 17,819,500 km (0.118 R)
• M20: 19,494,547 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848

Radius: 8.7

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.41 AU - 5.29 AU

Year: 6262 Days

Day: 10.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,604,034 km

• M1: 108,159 km (0.052 R)
• M2: 536,009 km (0.101 R)
• M3: 1,174,044 km (0.111 R)
• M4: 2,042,011 km (0.104 R)
• M5: 2,458,641 km (0.095 R)
• M6: 3,286,366 km (0.086 R)
• M7: 4,420,318 km (0.085 R)
• M8: 6,460,833 km (0.112 R)
• M9: 8,020,989 km (0.097 R)
• M10: 8,468,137 km (0.078 R)
• M11: 9,323,388 km (0.061 R)
• M12: 9,909,513 km (0.11 R)
• M13: 10,188,213 km (0.108 R)
• M14: 11,155,214 km (0.103 R)
• M15: 11,815,838 km (0.111 R)
• M16: 12,828,017 km (0.05 R)
• M17: 13,553,118 km (0.118 R)
• M18: 14,305,296 km (0.111 R)
• M19: 17,191,039 km (0.04 R)
• M20: 19,850,740 km (0.097 R)
• M21: 20,744,587 km (0.095 R)
• M22: 26,323,391 km (0.091 R)
• M23: 27,310,886 km (0.086 R)
• M24: 32,826,710 km (0.105 R)
• M25: 34,711,792 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.7

Radius: 4.3

Gravity: 48.71 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.67 AU - 7.01 AU

Year: 9742 Days

Day: 23.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,604,034 km

• M1: 56,548 km (0.069 R)
• M2: 484,697 km (0.062 R)
• M3: 928,554 km (0.103 R)
• M4: 1,376,899 km (0.067 R)
• M5: 2,097,512 km (0.109 R)
• M6: 2,815,731 km (0.108 R)
• M7: 3,041,325 km (0.038 R)
• M8: 3,402,454 km (0.072 R)
• M9: 4,504,841 km (0.072 R)
• M10: 5,270,183 km (0.075 R)
• M11: 6,381,995 km (0.057 R)
• M12: 7,053,839 km (0.039 R)
• M13: 7,771,759 km (0.098 R)
• M14: 11,469,070 km (0.079 R)
• M15: 12,280,040 km (0.079 R)
• M16: 13,315,407 km (0.106 R)
• M17: 13,503,901 km (0.115 R)
• M18: 14,407,472 km (0.118 R)
• M19: 14,606,287 km (0.119 R)
• M20: 18,660,390 km (0.055 R)
• M21: 20,355,782 km (0.072 R)
• M22: 21,455,327 km (0.112 R)
• M23: 23,132,468 km (0.104 R)
• M24: 27,551,141 km (0.094 R)
• M25: 27,857,367 km (0.059 R)
• M26: 32,500,586 km (0.107 R)
• M27: 33,882,721 km (0.094 R)
• M28: 38,263,695 km (0.113 R)
• M29: 40,064,554 km (0.066 R)
• M30: 45,094,333 km (0.066 R)
• M31: 47,686,715 km (0.082 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 15,020 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit