🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.4

Radius: 12.7

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.59 AU - 0.91 AU

Year: 441 Days

Day: 13.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,158,612 km

• M1: 160,070 km (0.066 R)
• M2: 705,952 km (0.062 R)
• M3: 1,144,424 km (0.11 R)
• M4: 1,742,067 km (0.113 R)
• M5: 2,412,565 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.2

Radius: 13

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.67 AU - 0.91 AU

Year: 476 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,158,612 km

• M1: 162,014 km (0.068 R)
• M2: 668,403 km (0.098 R)
• M3: 1,162,675 km (0.116 R)
• M4: 1,619,397 km (0.052 R)
• M5: 2,081,804 km (0.079 R)
• M6: 2,643,245 km (0.119 R)
• M7: 3,244,479 km (0.029 R)
• M8: 3,668,888 km (0.098 R)
• M9: 4,230,329 km (0.089 R)
• M10: 4,817,201 km (0.044 R)
• M11: 5,561,450 km (0.093 R)
• M12: 6,210,855 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.4

Radius: 13.1

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.91 AU - 1.07 AU

Year: 668 Days

Day: 9.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,158,612 km

• M1: 179,667 km (0.109 R)
• M2: 631,004 km (0.095 R)
• M3: 1,060,200 km (0.108 R)
• M4: 1,577,360 km (0.115 R)
• M5: 2,175,003 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381

Radius: 13.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.85 AU - 1.23 AU

Year: 719 Days

Day: 14.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,158,612 km

• M1: 169,195 km (0.088 R)
• M2: 694,134 km (0.094 R)
• M3: 1,343,090 km (0.091 R)
• M4: 2,080,757 km (0.104 R)
• M5: 3,204,686 km (0.095 R)
• M6: 4,715,774 km (0.097 R)
• M7: 5,296,213 km (0.106 R)
• M8: 5,727,055 km (0.076 R)
• M9: 6,562,260 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.8

Radius: 11.9

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.31 AU - 1.35 AU

Year: 1040 Days

Day: 11.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,158,612 km

• M1: 148,401 km (0.098 R)
• M2: 597,045 km (0.096 R)
• M3: 1,020,706 km (0.117 R)
• M4: 1,536,370 km (0.094 R)
• M5: 2,081,056 km (0.106 R)
• M6: 3,462,742 km (0.04 R)
• M7: 4,275,358 km (0.11 R)
• M8: 4,753,622 km (0.088 R)
• M9: 7,176,210 km (0.086 R)
• M10: 9,795,220 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.6

Radius: 11.2

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.28 AU - 2.12 AU

Year: 1503 Days

Day: 6.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,158,612 km

• M1: 139,874 km (0.117 R)
• M2: 587,022 km (0.077 R)
• M3: 946,506 km (0.094 R)
• M4: 1,313,769 km (0.085 R)
• M5: 1,991,896 km (0.117 R)
• M6: 2,460,735 km (0.08 R)
• M7: 2,863,453 km (0.072 R)
• M8: 3,355,929 km (0.08 R)
• M9: 4,111,847 km (0.067 R)
• M10: 4,587,419 km (0.053 R)
• M11: 5,140,332 km (0.114 R)
• M12: 6,075,768 km (0.075 R)
• M13: 7,781,932 km (0.104 R)
• M14: 8,745,641 km (0.062 R)
• M15: 9,597,601 km (0.065 R)
• M16: 10,141,240 km (0.079 R)
• M17: 11,150,876 km (0.102 R)
• M18: 11,608,645 km (0.067 R)
• M19: 12,713,126 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.8

Radius: 11.6

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.72 AU - 5.2 AU

Year: 6388 Days

Day: 14.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,158,612 km

• M1: 144,212 km (0.048 R)
• M2: 594,801 km (0.115 R)
• M3: 1,005,896 km (0.099 R)
• M4: 1,389,914 km (0.073 R)
• M5: 2,181,137 km (0.048 R)
• M6: 3,316,734 km (0.109 R)
• M7: 4,348,361 km (0.116 R)
• M8: 5,011,080 km (0.098 R)
• M9: 5,771,785 km (0.084 R)
• M10: 7,561,275 km (0.068 R)
• M11: 7,951,576 km (0.117 R)
• M12: 8,730,382 km (0.115 R)
• M13: 10,016,325 km (0.033 R)
• M14: 10,632,220 km (0.103 R)
• M15: 12,416,324 km (0.07 R)
• M16: 12,850,756 km (0.066 R)
• M17: 14,932,560 km (0.099 R)
• M18: 16,504,385 km (0.077 R)
• M19: 17,499,061 km (0.045 R)
• M20: 20,346,657 km (0.096 R)
• M21: 22,196,135 km (0.047 R)
• M22: 23,407,579 km (0.049 R)
• M23: 25,436,724 km (0.065 R)
• M24: 25,873,700 km (0.083 R)
• M25: 27,580,462 km (0.062 R)
• M26: 28,508,417 km (0.087 R)
• M27: 29,649,101 km (0.042 R)
• M28: 33,150,290 km (0.119 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: 305 - 11,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit