🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.4

Radius: 13.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.58 AU - 0.74 AU

Year: 370 Days

Day: 7.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,492,066 km

• M1: 165,455 km (0.062 R)
• M2: 580,589 km (0.1 R)
• M3: 1,058,255 km (0.109 R)
• M4: 1,673,851 km (0.106 R)
• M5: 2,090,630 km (0.081 R)
• M6: 2,531,346 km (0.115 R)
• M7: 3,429,830 km (0.049 R)
• M8: 4,434,679 km (0.103 R)
• M9: 5,372,658 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.3

Radius: 14

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.52 AU - 0.84 AU

Year: 387 Days

Day: 8.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,492,066 km

• M1: 175,478 km (0.075 R)
• M2: 765,193 km (0.091 R)
• M3: 1,402,181 km (0.115 R)
• M4: 1,888,075 km (0.086 R)
• M5: 2,887,688 km (0.12 R)
• M6: 3,564,169 km (0.082 R)
• M7: 4,292,711 km (0.06 R)
• M8: 4,734,623 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.2

Radius: 11.3

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.79 AU - 0.99 AU

Year: 580 Days

Day: 8.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,492,066 km

• M1: 140,622 km (0.113 R)
• M2: 500,106 km (0.111 R)
• M3: 899,083 km (0.115 R)
• M4: 1,384,528 km (0.094 R)
• M5: 2,239,480 km (0.09 R)
• M6: 2,684,235 km (0.067 R)
• M7: 3,053,143 km (0.079 R)
• M8: 3,535,446 km (0.116 R)
• M9: 4,009,821 km (0.1 R)
• M10: 4,370,053 km (0.117 R)
• M11: 4,967,996 km (0.038 R)
• M12: 6,130,820 km (0.075 R)
• M13: 7,051,445 km (0.104 R)
• M14: 7,760,539 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.4

Radius: 11.9

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.74 AU - 1.2 AU

Year: 659 Days

Day: 5.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,492,066 km

• M1: 147,952 km (0.09 R)
• M2: 585,825 km (0.118 R)
• M3: 1,128,118 km (0.096 R)
• M4: 1,578,407 km (0.118 R)
• M5: 2,218,237 km (0.076 R)
• M6: 2,610,782 km (0.11 R)
• M7: 3,190,025 km (0.086 R)
• M8: 3,927,991 km (0.094 R)
• M9: 4,361,825 km (0.109 R)
• M10: 4,966,949 km (0.111 R)
• M11: 5,665,870 km (0.046 R)
• M12: 6,201,430 km (0.115 R)
• M13: 7,101,561 km (0.12 R)
• M14: 7,630,389 km (0.12 R)
• M15: 8,234,764 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 9.9

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.9 AU - 1.22 AU

Year: 753 Days

Day: 12.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,492,066 km

• M1: 123,119 km (0.09 R)
• M2: 454,179 km (0.058 R)
• M3: 879,635 km (0.101 R)
• M4: 1,223,411 km (0.102 R)
• M5: 1,633,459 km (0.099 R)
• M6: 2,104,393 km (0.093 R)
• M7: 2,515,787 km (0.038 R)
• M8: 3,121,509 km (0.071 R)
• M9: 3,659,164 km (0.118 R)
• M10: 4,589,064 km (0.096 R)
• M11: 5,137,191 km (0.104 R)
• M12: 5,728,402 km (0.119 R)
• M13: 6,471,155 km (0.088 R)
• M14: 6,933,263 km (0.03 R)
• M15: 7,253,552 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.6

Radius: 14.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.75 AU - 1.85 AU

Year: 1667 Days

Day: 6.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,492,066 km

• M1: 184,005 km (0.072 R)
• M2: 848,070 km (0.089 R)
• M3: 2,635,017 km (0.099 R)
• M4: 3,468,726 km (0.113 R)
• M5: 4,383,816 km (0.054 R)
• M6: 4,937,328 km (0.106 R)
• M7: 5,642,084 km (0.107 R)
• M8: 6,459,636 km (0.1 R)
• M9: 7,055,784 km (0.113 R)
• M10: 7,559,031 km (0.11 R)
• M11: 8,836,896 km (0.092 R)
• M12: 9,817,360 km (0.111 R)
• M13: 10,737,686 km (0.081 R)
• M14: 11,576,781 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.4

Radius: 8.6

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.11 AU - 2.47 AU

Year: 2392 Days

Day: 6.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,492,066 km

• M1: 106,962 km (0.113 R)
• M2: 420,370 km (0.118 R)
• M3: 768,933 km (0.083 R)
• M4: 1,106,127 km (0.094 R)
• M5: 1,878,052 km (0.069 R)
• M6: 2,788,804 km (0.115 R)
• M7: 3,818,336 km (0.041 R)
• M8: 5,908,966 km (0.1 R)
• M9: 6,959,891 km (0.084 R)
• M10: 9,427,807 km (0.119 R)
• M11: 10,782,865 km (0.073 R)
• M12: 14,411,511 km (0.057 R)
• M13: 15,008,706 km (0.045 R)
• M14: 16,748,828 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.2

Radius: 13.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.67 AU - 3.97 AU

Year: 5154 Days

Day: 13.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,492,066 km

• M1: 170,542 km (0.091 R)
• M2: 656,435 km (0.062 R)
• M3: 1,103,434 km (0.092 R)
• M4: 1,698,833 km (0.096 R)
• M5: 2,242,322 km (0.038 R)
• M6: 4,155,829 km (0.115 R)
• M7: 5,016,465 km (0.102 R)
• M8: 5,474,983 km (0.073 R)
• M9: 8,011,714 km (0.093 R)
• M10: 8,681,164 km (0.087 R)
• M11: 11,542,373 km (0.059 R)
• M12: 12,920,020 km (0.08 R)
• M13: 14,009,093 km (0.115 R)
• M14: 15,040,869 km (0.079 R)
• M15: 15,515,394 km (0.099 R)
• M16: 16,122,611 km (0.073 R)
• M17: 16,619,875 km (0.097 R)
• M18: 17,449,544 km (0.116 R)
• M19: 20,105,355 km (0.034 R)
• M20: 21,417,778 km (0.045 R)
• M21: 23,492,401 km (0.094 R)
• M22: 25,030,566 km (0.099 R)
• M23: 27,682,787 km (0.101 R)
• M24: 29,398,076 km (0.097 R)

Asteroid Belt

Center: 4.26 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.3

Radius: 13.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.01 AU - 5.39 AU

Year: 7033 Days

Day: 11.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,492,066 km

• M1: 313,258 km (0.06 R)
• M2: 939,475 km (0.108 R)
• M3: 1,915,601 km (0.114 R)
• M4: 2,816,180 km (0.106 R)
• M5: 4,617,338 km (0.085 R)
• M6: 5,397,342 km (0.105 R)
• M7: 7,923,451 km (0.101 R)
• M8: 11,866,253 km (0.078 R)
• M9: 18,691,506 km (0.115 R)
• M10: 22,643,433 km (0.11 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: 427 - 20,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit