🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.5

Radius: 8

Gravity: 14.26 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.45 AU - 0.61 AU

Year: 257 Days

Day: 12.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,703,448 km

• M1: 99,483 km (0.067 R)
• M2: 395,986 km (0.041 R)
• M3: 724,502 km (0.107 R)
• M4: 1,046,736 km (0.091 R)
• M5: 1,757,177 km (0.091 R)
• M6: 2,050,388 km (0.09 R)
• M7: 2,342,104 km (0.071 R)
• M8: 2,615,569 km (0.063 R)
• M9: 2,871,082 km (0.103 R)
• M10: 3,544,572 km (0.083 R)
• M11: 3,979,603 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.8

Radius: 12.7

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.58 AU - 0.94 AU

Year: 442 Days

Day: 7.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,703,448 km

• M1: 157,975 km (0.09 R)
• M2: 664,663 km (0.062 R)
• M3: 1,412,503 km (0.095 R)
• M4: 2,058,616 km (0.11 R)
• M5: 2,510,402 km (0.074 R)
• M6: 3,108,494 km (0.043 R)
• M7: 3,630,890 km (0.081 R)
• M8: 4,268,775 km (0.12 R)
• M9: 4,668,202 km (0.095 R)
• M10: 5,141,529 km (0.082 R)
• M11: 5,734,236 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.6

Radius: 10.1

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.94 AU - 1.16 AU

Year: 717 Days

Day: 6.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,703,448 km

• M1: 125,662 km (0.101 R)
• M2: 546,780 km (0.103 R)
• M3: 953,387 km (0.101 R)
• M4: 1,287,738 km (0.118 R)
• M5: 1,783,506 km (0.096 R)
• M6: 2,137,604 km (0.033 R)
• M7: 2,636,064 km (0.084 R)
• M8: 3,376,574 km (0.095 R)
• M9: 4,658,627 km (0.098 R)
• M10: 4,990,585 km (0.1 R)
• M11: 5,928,564 km (0.097 R)
• M12: 6,980,087 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.1

Radius: 12.7

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.06 AU - 1.16 AU

Year: 780 Days

Day: 14.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,703,448 km

• M1: 157,975 km (0.105 R)
• M2: 762,201 km (0.08 R)
• M3: 1,270,834 km (0.066 R)
• M4: 2,086,591 km (0.078 R)
• M5: 3,389,888 km (0.109 R)
• M6: 3,900,166 km (0.106 R)
• M7: 4,991,931 km (0.114 R)
• M8: 5,709,852 km (0.102 R)
• M9: 7,136,267 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.6

Radius: 10.4

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.81 AU - 3.99 AU

Year: 4181 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,703,448 km

• M1: 129,701 km (0.117 R)
• M2: 507,586 km (0.064 R)
• M3: 853,157 km (0.058 R)
• M4: 1,884,484 km (0.077 R)
• M5: 2,564,855 km (0.096 R)
• M6: 6,053,029 km (0.11 R)
• M7: 7,221,388 km (0.057 R)
• M8: 8,004,084 km (0.108 R)
• M9: 8,670,244 km (0.095 R)
• M10: 9,812,274 km (0.117 R)
• M11: 11,793,698 km (0.12 R)
• M12: 12,176,818 km (0.078 R)
• M13: 13,193,784 km (0.063 R)
• M14: 13,981,118 km (0.088 R)
• M15: 14,947,221 km (0.084 R)
• M16: 15,295,634 km (0.04 R)
• M17: 16,321,128 km (0.116 R)
• M18: 18,508,997 km (0.099 R)
• M19: 19,260,277 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.8

Radius: 11.1

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.46 AU - 5.14 AU

Year: 7013 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,703,448 km

• M1: 138,079 km (0.094 R)
• M2: 578,944 km (0.119 R)
• M3: 1,153,400 km (0.098 R)
• M4: 1,664,875 km (0.063 R)
• M5: 2,041,413 km (0.105 R)
• M6: 2,424,233 km (0.119 R)
• M7: 2,874,373 km (0.097 R)
• M8: 3,688,485 km (0.116 R)
• M9: 4,596,843 km (0.095 R)
• M10: 5,378,642 km (0.095 R)
• M11: 5,863,937 km (0.094 R)
• M12: 6,345,343 km (0.09 R)
• M13: 8,908,553 km (0.098 R)
• M14: 9,545,990 km (0.097 R)
• M15: 9,898,143 km (0.084 R)
• M16: 11,151,624 km (0.086 R)
• M17: 15,789,008 km (0.099 R)
• M18: 17,170,993 km (0.092 R)
• M19: 20,102,513 km (0.113 R)
• M20: 21,800,299 km (0.116 R)
• M21: 24,977,309 km (0.118 R)
• M22: 28,723,390 km (0.083 R)
• M23: 31,451,606 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.1

Radius: 7.2

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.73 AU - 10.41 AU

Year: 19742 Days

Day: 17.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,703,448 km

• M1: 90,058 km (0.101 R)
• M2: 362,326 km (0.075 R)
• M3: 928,853 km (0.038 R)
• M4: 2,346,592 km (0.117 R)
• M5: 2,765,915 km (0.107 R)
• M6: 3,011,704 km (0.094 R)
• M7: 3,859,924 km (0.092 R)
• M8: 6,253,341 km (0.117 R)
• M9: 6,835,576 km (0.055 R)
• M10: 7,091,388 km (0.081 R)
• M11: 8,837,494 km (0.078 R)
• M12: 10,384,935 km (0.026 R)
• M13: 11,601,913 km (0.088 R)
• M14: 13,955,387 km (0.12 R)
• M15: 18,824,349 km (0.043 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 20,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit