🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.5

Radius: 9.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.64 AU - 1.04 AU

Year: 497 Days

Day: 10 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,396,529 km

• M1: 123,867 km (0.109 R)
• M2: 624,870 km (0.063 R)
• M3: 1,081,443 km (0.077 R)
• M4: 1,782,907 km (0.098 R)
• M5: 2,172,011 km (0.072 R)
• M6: 3,332,143 km (0.072 R)
• M7: 5,070,769 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.8

Radius: 10.1

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.66 AU - 1.08 AU

Year: 524 Days

Day: 10.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,396,529 km

• M1: 125,662 km (0.114 R)
• M2: 469,737 km (0.114 R)
• M3: 1,071,121 km (0.082 R)
• M4: 1,491,042 km (0.074 R)
• M5: 2,127,282 km (0.1 R)
• M6: 3,027,711 km (0.105 R)
• M7: 3,825,666 km (0.083 R)
• M8: 4,341,330 km (0.043 R)
• M9: 5,982,568 km (0.044 R)
• M10: 6,440,787 km (0.057 R)
• M11: 7,067,153 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.9

Radius: 12.1

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.87 AU - 2.09 AU

Year: 1799 Days

Day: 11.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,396,529 km

• M1: 150,495 km (0.073 R)
• M2: 537,954 km (0.106 R)
• M3: 933,341 km (0.099 R)
• M4: 1,533,528 km (0.115 R)
• M5: 2,177,696 km (0.106 R)
• M6: 2,584,752 km (0.065 R)
• M7: 3,169,680 km (0.107 R)
• M8: 4,221,802 km (0.107 R)
• M9: 4,818,248 km (0.117 R)
• M10: 5,756,975 km (0.093 R)
• M11: 8,210,230 km (0.088 R)
• M12: 8,619,530 km (0.119 R)
• M13: 9,581,744 km (0.098 R)
• M14: 10,071,228 km (0.112 R)
• M15: 10,725,270 km (0.1 R)
• M16: 11,877,772 km (0.057 R)
• M17: 12,525,531 km (0.054 R)
• M18: 13,282,047 km (0.091 R)
• M19: 14,840,258 km (0.085 R)
• M20: 15,639,709 km (0.097 R)
• M21: 16,319,333 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.3

Radius: 9.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.16 AU - 3.48 AU

Year: 3058 Days

Day: 14.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,396,529 km

• M1: 125,363 km (0.082 R)
• M2: 539,300 km (0.1 R)
• M3: 1,268,740 km (0.106 R)
• M4: 1,894,208 km (0.088 R)
• M5: 2,920,599 km (0.03 R)
• M6: 3,418,910 km (0.105 R)
• M7: 3,861,121 km (0.107 R)
• M8: 5,305,937 km (0.079 R)
• M9: 6,226,563 km (0.095 R)
• M10: 6,915,461 km (0.09 R)
• M11: 7,772,507 km (0.111 R)
• M12: 8,827,621 km (0.114 R)
• M13: 9,731,341 km (0.094 R)
• M14: 10,476,040 km (0.066 R)
• M15: 10,880,852 km (0.056 R)
• M16: 11,682,995 km (0.04 R)
• M17: 14,326,390 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.6

Radius: 10

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.53 AU - 3.43 AU

Year: 3322 Days

Day: 8.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,396,529 km

• M1: 146,606 km (0.069 R)
• M2: 520,900 km (0.087 R)
• M3: 1,399,189 km (0.117 R)
• M4: 4,058,590 km (0.099 R)
• M5: 4,416,129 km (0.092 R)
• M6: 4,817,500 km (0.079 R)
• M7: 7,920,609 km (0.096 R)
• M8: 8,515,111 km (0.048 R)
• M9: 11,113,177 km (0.103 R)
• M10: 12,200,155 km (0.11 R)
• M11: 13,265,142 km (0.1 R)
• M12: 15,732,161 km (0.046 R)
• M13: 16,197,261 km (0.11 R)
• M14: 16,565,421 km (0.103 R)
• M15: 20,315,690 km (0.049 R)

Asteroid Belt

Center: 3.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.6

Radius: 8

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.74 AU - 3.84 AU

Year: 4764 Days

Day: 10.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 26,396,529 km

• M1: 99,782 km (0.08 R)
• M2: 434,133 km (0.105 R)
• M3: 865,274 km (0.066 R)
• M4: 1,117,945 km (0.116 R)
• M5: 1,431,352 km (0.042 R)
• M6: 1,932,356 km (0.082 R)
• M7: 2,577,571 km (0.061 R)
• M8: 3,262,879 km (0.112 R)
• M9: 3,741,592 km (0.11 R)
• M10: 4,220,904 km (0.113 R)
• M11: 4,570,664 km (0.12 R)
• M12: 5,653,902 km (0.091 R)
• M13: 6,315,274 km (0.1 R)
• M14: 6,680,143 km (0.101 R)
• M15: 7,688,433 km (0.091 R)
• M16: 8,211,278 km (0.087 R)
• M17: 8,982,754 km (0.073 R)
• M18: 9,366,622 km (0.096 R)
• M19: 10,167,419 km (0.102 R)
• M20: 11,056,629 km (0.067 R)
• M21: 11,364,202 km (0.061 R)
• M22: 11,632,431 km (0.061 R)
• M23: 16,463,395 km (0.082 R)
• M24: 20,119,268 km (0.101 R)
• M25: 21,585,178 km (0.059 R)
• M26: 24,062,070 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266

Radius: 12.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.56 AU - 4.82 AU

Year: 6558 Days

Day: 6.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,396,529 km

• M1: 153,039 km (0.109 R)
• M2: 686,953 km (0.115 R)
• M3: 1,070,522 km (0.038 R)
• M4: 1,782,608 km (0.111 R)
• M5: 2,808,700 km (0.063 R)
• M6: 3,737,553 km (0.12 R)
• M7: 4,962,161 km (0.05 R)
• M8: 5,570,277 km (0.09 R)
• M9: 7,561,574 km (0.071 R)
• M10: 9,745,703 km (0.119 R)
• M11: 10,195,244 km (0.094 R)
• M12: 10,830,587 km (0.047 R)
• M13: 12,040,833 km (0.114 R)
• M14: 12,751,124 km (0.05 R)
• M15: 14,622,893 km (0.115 R)
• M16: 16,043,324 km (0.069 R)
• M17: 16,498,401 km (0.117 R)
• M18: 16,903,662 km (0.073 R)
• M19: 17,434,435 km (0.106 R)
• M20: 17,976,279 km (0.099 R)
• M21: 19,030,495 km (0.071 R)
• M22: 20,923,506 km (0.103 R)
• M23: 25,617,139 km (0.095 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: 465 - 17,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit