🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.2

Radius: 11.2

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.83 AU - 0.91 AU

Year: 560 Days

Day: 5.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,291,183 km

• M1: 140,323 km (0.064 R)
• M2: 686,355 km (0.075 R)
• M3: 1,039,406 km (0.03 R)
• M4: 1,736,233 km (0.052 R)
• M5: 2,143,139 km (0.095 R)
• M6: 2,581,162 km (0.112 R)
• M7: 2,986,871 km (0.049 R)
• M8: 3,445,239 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 11.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.48 AU - 1.98 AU

Year: 1571 Days

Day: 8.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,291,183 km

• M1: 141,819 km (0.117 R)
• M2: 669,899 km (0.07 R)
• M3: 1,153,400 km (0.061 R)
• M4: 1,513,781 km (0.111 R)
• M5: 1,940,284 km (0.079 R)
• M6: 2,522,818 km (0.064 R)
• M7: 2,940,496 km (0.092 R)
• M8: 4,039,591 km (0.032 R)
• M9: 5,481,416 km (0.105 R)
• M10: 6,140,544 km (0.027 R)
• M11: 6,575,724 km (0.039 R)
• M12: 7,135,669 km (0.101 R)
• M13: 7,535,544 km (0.117 R)
• M14: 10,596,316 km (0.104 R)
• M15: 11,474,905 km (0.073 R)
• M16: 11,839,624 km (0.115 R)
• M17: 13,257,363 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.1

Radius: 14.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.51 AU - 2.35 AU

Year: 1851 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,291,183 km

• M1: 176,376 km (0.118 R)
• M2: 862,881 km (0.088 R)
• M3: 2,103,196 km (0.097 R)
• M4: 2,588,342 km (0.076 R)
• M5: 3,516,597 km (0.114 R)
• M6: 4,616,590 km (0.076 R)
• M7: 6,400,844 km (0.12 R)
• M8: 7,547,063 km (0.03 R)
• M9: 8,485,790 km (0.092 R)
• M10: 9,337,301 km (0.05 R)
• M11: 10,454,647 km (0.119 R)
• M12: 10,918,550 km (0.091 R)
• M13: 12,752,171 km (0.078 R)
• M14: 13,406,812 km (0.074 R)
• M15: 14,040,807 km (0.048 R)
• M16: 14,872,422 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.9

Radius: 8.7

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.9 AU - 2.92 AU

Year: 3426 Days

Day: 6.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,291,183 km

• M1: 180,116 km (0.07 R)
• M2: 640,578 km (0.115 R)
• M3: 1,164,470 km (0.037 R)
• M4: 2,068,939 km (0.094 R)
• M5: 2,757,986 km (0.091 R)
• M6: 3,578,531 km (0.111 R)
• M7: 5,459,873 km (0.11 R)
• M8: 5,750,393 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.4

Radius: 14.5

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.52 AU - 3.98 AU

Year: 4044 Days

Day: 7.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,291,183 km

• M1: 180,265 km (0.043 R)
• M2: 778,657 km (0.092 R)
• M3: 1,424,022 km (0.079 R)
• M4: 2,080,308 km (0.084 R)
• M5: 2,856,571 km (0.078 R)
• M6: 3,435,216 km (0.103 R)
• M7: 4,072,054 km (0.12 R)
• M8: 5,269,585 km (0.057 R)
• M9: 6,094,019 km (0.036 R)
• M10: 6,551,489 km (0.1 R)
• M11: 7,627,397 km (0.026 R)
• M12: 8,095,938 km (0.073 R)
• M13: 9,440,673 km (0.101 R)
• M14: 14,089,277 km (0.117 R)
• M15: 16,541,485 km (0.085 R)
• M16: 17,117,138 km (0.115 R)
• M17: 18,981,127 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.6

Radius: 15

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.67 AU - 5.25 AU

Year: 7625 Days

Day: 13.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,291,183 km

• M1: 186,549 km (0.103 R)
• M2: 744,848 km (0.083 R)
• M3: 1,271,582 km (0.063 R)
• M4: 2,721,784 km (0.085 R)
• M5: 3,292,649 km (0.115 R)
• M6: 6,098,357 km (0.079 R)
• M7: 7,750,516 km (0.11 R)
• M8: 9,291,524 km (0.083 R)
• M9: 13,466,501 km (0.052 R)
• M10: 14,430,809 km (0.093 R)
• M11: 15,562,666 km (0.064 R)
• M12: 16,370,794 km (0.118 R)
• M13: 18,616,857 km (0.064 R)
• M14: 25,800,546 km (0.053 R)
• M15: 29,110,399 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.4

Radius: 6.9

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.57 AU - 8.77 AU

Year: 14662 Days

Day: 18.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 51,291,183 km

• M1: 85,869 km (0.11 R)
• M2: 426,055 km (0.116 R)
• M3: 1,234,182 km (0.025 R)
• M4: 2,134,163 km (0.083 R)
• M5: 2,786,111 km (0.084 R)
• M6: 3,076,779 km (0.052 R)
• M7: 4,507,384 km (0.103 R)
• M8: 5,368,170 km (0.063 R)
• M9: 6,918,303 km (0.117 R)
• M10: 8,651,694 km (0.059 R)
• M11: 9,223,606 km (0.091 R)
• M12: 13,134,992 km (0.087 R)
• M13: 17,424,412 km (0.076 R)
• M14: 18,181,377 km (0.097 R)
• M15: 18,490,297 km (0.098 R)
• M16: 19,518,483 km (0.111 R)
• M17: 20,835,393 km (0.104 R)
• M18: 22,210,646 km (0.032 R)
• M19: 24,198,952 km (0.096 R)
• M20: 26,500,066 km (0.048 R)
• M21: 27,805,457 km (0.113 R)
• M22: 29,153,184 km (0.114 R)
• M23: 30,219,219 km (0.111 R)
• M24: 31,866,441 km (0.106 R)
• M25: 32,655,270 km (0.072 R)
• M26: 33,111,843 km (0.113 R)
• M27: 33,572,754 km (0.074 R)
• M28: 35,219,228 km (0.07 R)
• M29: 37,290,261 km (0.079 R)
• M30: 38,040,195 km (0.103 R)
• M31: 39,183,721 km (0.105 R)
• M32: 41,273,155 km (0.08 R)
• M33: 42,210,236 km (0.088 R)
• M34: 42,616,245 km (0.11 R)
• M35: 45,247,671 km (0.09 R)
• M36: 45,672,828 km (0.098 R)
• M37: 46,675,134 km (0.107 R)
• M38: 48,279,870 km (0.068 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 12,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit