🌌 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: 372.1

Radius: 8.9

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.64 AU - 1.04 AU

Year: 497 Days

Day: 8.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,657,632 km

• M1: 110,702 km (0.104 R)
• M2: 480,658 km (0.066 R)
• M3: 793,318 km (0.094 R)
• M4: 1,184,666 km (0.075 R)
• M5: 1,702,723 km (0.045 R)
• M6: 2,285,855 km (0.071 R)
• M7: 2,624,395 km (0.098 R)
• M8: 2,985,973 km (0.074 R)
• M9: 3,784,826 km (0.114 R)
• M10: 4,577,246 km (0.047 R)
• M11: 4,923,565 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.1

Radius: 12.3

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.82 AU - 1.04 AU

Year: 579 Days

Day: 13.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,657,632 km

• M1: 153,039 km (0.03 R)
• M2: 864,526 km (0.115 R)
• M3: 1,257,370 km (0.105 R)
• M4: 2,099,157 km (0.108 R)
• M5: 2,588,043 km (0.086 R)
• M6: 2,980,289 km (0.039 R)
• M7: 4,028,521 km (0.104 R)
• M8: 4,545,232 km (0.114 R)
• M9: 5,198,526 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.3

Radius: 11

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.45 AU - 2.63 AU

Year: 2614 Days

Day: 14.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,657,632 km

• M1: 136,732 km (0.092 R)
• M2: 509,530 km (0.105 R)
• M3: 913,295 km (0.118 R)
• M4: 1,263,204 km (0.103 R)
• M5: 1,874,162 km (0.106 R)
• M6: 2,614,372 km (0.075 R)
• M7: 3,186,435 km (0.067 R)
• M8: 3,557,737 km (0.09 R)
• M9: 4,516,809 km (0.061 R)
• M10: 5,515,075 km (0.118 R)
• M11: 5,870,220 km (0.057 R)
• M12: 7,818,134 km (0.117 R)
• M13: 9,646,669 km (0.081 R)
• M14: 11,415,963 km (0.043 R)
• M15: 11,952,870 km (0.081 R)
• M16: 13,122,127 km (0.058 R)
• M17: 14,846,242 km (0.09 R)
• M18: 15,386,739 km (0.106 R)
• M19: 18,569,284 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.1

Radius: 12.8

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.29 AU - 3.75 AU

Year: 3389 Days

Day: 7 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,657,632 km

• M1: 159,471 km (0.053 R)
• M2: 589,416 km (0.106 R)
• M3: 1,124,378 km (0.083 R)
• M4: 1,588,879 km (0.11 R)
• M5: 2,238,583 km (0.062 R)
• M6: 4,182,158 km (0.119 R)
• M7: 5,325,535 km (0.064 R)
• M8: 7,746,477 km (0.083 R)
• M9: 9,274,021 km (0.084 R)
• M10: 10,453,002 km (0.068 R)
• M11: 12,131,939 km (0.097 R)
• M12: 12,823,380 km (0.105 R)
• M13: 14,084,041 km (0.086 R)
• M14: 15,693,265 km (0.08 R)
• M15: 16,851,003 km (0.06 R)
• M16: 17,888,016 km (0.089 R)
• M17: 18,302,551 km (0.104 R)
• M18: 19,212,555 km (0.083 R)
• M19: 20,601,572 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.4

Radius: 9.6

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.93 AU - 3.29 AU

Year: 3541 Days

Day: 12 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,657,632 km

• M1: 120,725 km (0.059 R)
• M2: 595,100 km (0.118 R)
• M3: 1,477,129 km (0.076 R)
• M4: 1,897,051 km (0.093 R)
• M5: 2,742,129 km (0.092 R)
• M6: 6,879,258 km (0.105 R)
• M7: 7,886,800 km (0.095 R)
• M8: 9,481,663 km (0.074 R)
• M9: 12,492,320 km (0.107 R)
• M10: 13,688,804 km (0.116 R)
• M11: 14,855,667 km (0.056 R)
• M12: 16,983,846 km (0.081 R)
• M13: 19,432,165 km (0.085 R)
• M14: 21,499,757 km (0.066 R)
• M15: 22,174,892 km (0.075 R)
• M16: 22,864,090 km (0.106 R)
• M17: 23,924,439 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.8

Radius: 13.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.99 AU - 4.97 AU

Year: 6123 Days

Day: 12.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,657,632 km

• M1: 168,148 km (0.045 R)
• M2: 802,892 km (0.11 R)
• M3: 2,427,375 km (0.036 R)
• M4: 3,515,251 km (0.043 R)
• M5: 5,932,304 km (0.075 R)
• M6: 8,381,221 km (0.059 R)
• M7: 9,813,920 km (0.12 R)
• M8: 11,187,378 km (0.075 R)
• M9: 11,808,508 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.8

Radius: 10.8

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.39 AU - 5.81 AU

Year: 8557 Days

Day: 5.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,657,632 km

• M1: 144,362 km (0.12 R)
• M2: 670,797 km (0.095 R)
• M3: 1,061,397 km (0.102 R)
• M4: 1,409,661 km (0.102 R)
• M5: 2,117,259 km (0.111 R)
• M6: 2,681,542 km (0.09 R)
• M7: 3,203,339 km (0.113 R)
• M8: 3,616,529 km (0.115 R)
• M9: 4,525,934 km (0.072 R)
• M10: 5,668,862 km (0.108 R)
• M11: 6,435,102 km (0.052 R)
• M12: 11,058,873 km (0.112 R)
• M13: 11,814,342 km (0.09 R)
• M14: 13,639,436 km (0.117 R)
• M15: 18,747,456 km (0.025 R)
• M16: 20,935,025 km (0.063 R)
• M17: 22,984,516 km (0.087 R)
• M18: 23,747,764 km (0.081 R)
• M19: 25,893,147 km (0.108 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 12,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit