🌌 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: 817.5

Radius: 11.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.44 AU - 0.62 AU

Year: 266 Days

Day: 14.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,325,628 km

• M1: 143,464 km (0.089 R)
• M2: 517,160 km (0.054 R)
• M3: 914,193 km (0.083 R)
• M4: 1,457,831 km (0.052 R)
• M5: 2,210,907 km (0.03 R)
• M6: 2,582,059 km (0.094 R)
• M7: 2,955,755 km (0.092 R)
• M8: 4,442,758 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.7

Radius: 10.1

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.65 AU - 0.69 AU

Year: 379 Days

Day: 8 Hours

Environment

Temp: -165 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,325,628 km

• M1: 125,662 km (0.113 R)
• M2: 515,215 km (0.095 R)
• M3: 884,273 km (0.093 R)
• M4: 1,273,527 km (0.115 R)
• M5: 1,770,042 km (0.099 R)
• M6: 2,277,777 km (0.074 R)
• M7: 2,691,266 km (0.091 R)
• M8: 3,480,694 km (0.104 R)
• M9: 4,122,917 km (0.068 R)
• M10: 4,542,240 km (0.08 R)
• M11: 5,125,073 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.3

Radius: 11.1

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.8 AU - 1.08 AU

Year: 629 Days

Day: 5.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,325,628 km

• M1: 138,079 km (0.111 R)
• M2: 558,598 km (0.064 R)
• M3: 917,933 km (0.107 R)
• M4: 1,337,704 km (0.11 R)
• M5: 2,034,082 km (0.068 R)
• M6: 2,506,961 km (0.118 R)
• M7: 3,703,295 km (0.091 R)
• M8: 4,157,325 km (0.119 R)
• M9: 4,522,044 km (0.03 R)
• M10: 4,891,701 km (0.12 R)
• M11: 5,692,049 km (0.091 R)
• M12: 6,338,163 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.6

Radius: 10

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.21 AU - 1.29 AU

Year: 965 Days

Day: 9.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,325,628 km

• M1: 124,465 km (0.075 R)
• M2: 481,855 km (0.063 R)
• M3: 1,315,264 km (0.119 R)
• M4: 2,061,907 km (0.094 R)
• M5: 3,709,878 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.9

Radius: 9.5

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.19 AU - 2.99 AU

Year: 2877 Days

Day: 14.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,325,628 km

• M1: 118,182 km (0.092 R)
• M2: 425,756 km (0.116 R)
• M3: 1,277,865 km (0.058 R)
• M4: 1,710,203 km (0.095 R)
• M5: 2,068,041 km (0.075 R)
• M6: 2,490,356 km (0.099 R)
• M7: 3,832,697 km (0.095 R)
• M8: 5,088,422 km (0.043 R)
• M9: 6,656,058 km (0.105 R)
• M10: 7,004,771 km (0.11 R)
• M11: 7,426,936 km (0.1 R)
• M12: 9,760,663 km (0.078 R)
• M13: 10,597,663 km (0.088 R)
• M14: 11,154,616 km (0.083 R)
• M15: 12,112,042 km (0.086 R)
• M16: 15,163,240 km (0.094 R)
• M17: 15,666,338 km (0.103 R)
• M18: 17,846,577 km (0.088 R)
• M19: 19,623,800 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.3

Radius: 13

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.72 AU - 3.18 AU

Year: 3497 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,325,628 km

• M1: 161,715 km (0.092 R)
• M2: 571,763 km (0.068 R)
• M3: 1,357,451 km (0.096 R)
• M4: 1,941,032 km (0.117 R)
• M5: 2,978,344 km (0.081 R)
• M6: 3,786,023 km (0.048 R)
• M7: 4,833,358 km (0.086 R)
• M8: 5,780,911 km (0.067 R)
• M9: 6,448,715 km (0.094 R)
• M10: 7,529,710 km (0.095 R)
• M11: 8,507,930 km (0.11 R)
• M12: 9,218,670 km (0.102 R)
• M13: 10,930,518 km (0.119 R)
• M14: 11,411,924 km (0.103 R)
• M15: 14,868,832 km (0.075 R)
• M16: 18,720,528 km (0.114 R)
• M17: 20,379,718 km (0.054 R)
• M18: 21,380,528 km (0.081 R)
• M19: 22,274,076 km (0.064 R)
• M20: 24,654,178 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695

Radius: 9.9

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.23 AU - 4.47 AU

Year: 6262 Days

Day: 14.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,325,628 km

• M1: 123,269 km (0.084 R)
• M2: 439,219 km (0.068 R)
• M3: 830,119 km (0.097 R)
• M4: 1,318,107 km (0.074 R)
• M5: 1,735,036 km (0.109 R)
• M6: 2,159,445 km (0.081 R)
• M7: 2,474,349 km (0.072 R)
• M8: 3,565,067 km (0.075 R)
• M9: 4,106,462 km (0.105 R)
• M10: 4,436,175 km (0.105 R)
• M11: 6,359,256 km (0.028 R)
• M12: 7,598,525 km (0.047 R)
• M13: 8,255,409 km (0.101 R)
• M14: 9,682,573 km (0.11 R)
• M15: 10,269,595 km (0.112 R)
• M16: 10,642,393 km (0.079 R)
• M17: 12,019,291 km (0.05 R)
• M18: 16,476,709 km (0.086 R)
• M19: 18,518,720 km (0.095 R)
• M20: 22,004,949 km (0.086 R)
• M21: 25,991,732 km (0.119 R)
• M22: 26,337,004 km (0.098 R)
• M23: 27,838,817 km (0.096 R)
• M24: 28,473,412 km (0.12 R)
• M25: 29,025,128 km (0.107 R)
• M26: 30,531,130 km (0.11 R)
• M27: 31,498,430 km (0.086 R)
• M28: 33,800,592 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883

Radius: 8.5

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.47 AU - 4.49 AU

Year: 6545 Days

Day: 6.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,325,628 km

• M1: 105,915 km (0.066 R)
• M2: 414,835 km (0.067 R)
• M3: 1,366,876 km (0.117 R)
• M4: 1,875,209 km (0.07 R)
• M5: 2,361,402 km (0.099 R)
• M6: 2,634,718 km (0.093 R)
• M7: 3,333,938 km (0.101 R)
• M8: 4,282,538 km (0.101 R)
• M9: 5,037,708 km (0.077 R)
• M10: 6,213,099 km (0.114 R)
• M11: 7,797,639 km (0.118 R)
• M12: 9,726,854 km (0.092 R)
• M13: 14,805,552 km (0.059 R)
• M14: 15,615,175 km (0.117 R)
• M15: 18,933,107 km (0.075 R)
• M16: 24,878,126 km (0.083 R)
• M17: 26,110,663 km (0.111 R)
• M18: 29,369,353 km (0.051 R)
• M19: 35,131,265 km (0.095 R)
• M20: 38,856,850 km (0.05 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 13,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit