🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.3

Radius: 13.4

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.58 AU - 0.78 AU

Year: 368 Days

Day: 11 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,689,959 km

• M1: 166,802 km (0.092 R)
• M2: 651,050 km (0.083 R)
• M3: 1,176,737 km (0.116 R)
• M4: 1,633,908 km (0.058 R)
• M5: 2,351,828 km (0.084 R)
• M6: 2,871,980 km (0.107 R)
• M7: 3,306,263 km (0.108 R)
• M8: 4,268,775 km (0.068 R)
• M9: 5,126,420 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970

Radius: 14.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.9 AU - 1.28 AU

Year: 747 Days

Day: 5.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,689,959 km

• M1: 179,069 km (0.086 R)
• M2: 626,965 km (0.104 R)
• M3: 1,151,305 km (0.09 R)
• M4: 1,637,199 km (0.072 R)
• M5: 2,242,472 km (0.111 R)
• M6: 3,912,433 km (0.066 R)
• M7: 4,504,242 km (0.091 R)
• M8: 5,266,892 km (0.085 R)
• M9: 5,929,760 km (0.118 R)
• M10: 6,473,848 km (0.092 R)
• M11: 7,119,961 km (0.077 R)
• M12: 7,686,937 km (0.103 R)
• M13: 8,334,995 km (0.03 R)
• M14: 9,515,173 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830

Radius: 13.6

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.12 AU - 1.38 AU

Year: 917 Days

Day: 14.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,689,959 km

• M1: 169,195 km (0.051 R)
• M2: 592,557 km (0.051 R)
• M3: 1,057,657 km (0.093 R)
• M4: 1,656,647 km (0.101 R)
• M5: 2,432,461 km (0.091 R)
• M6: 3,243,132 km (0.064 R)
• M7: 3,765,827 km (0.103 R)
• M8: 4,798,950 km (0.029 R)
• M9: 5,950,106 km (0.119 R)
• M10: 6,624,942 km (0.086 R)
• M11: 7,181,895 km (0.079 R)
• M12: 7,719,849 km (0.106 R)
• M13: 8,470,082 km (0.042 R)
• M14: 9,700,824 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.4

Radius: 13

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.89 AU - 2.75 AU

Year: 2318 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,689,959 km

• M1: 161,865 km (0.042 R)
• M2: 679,623 km (0.096 R)
• M3: 1,113,906 km (0.1 R)
• M4: 1,877,304 km (0.118 R)
• M5: 3,135,721 km (0.086 R)
• M6: 3,644,952 km (0.115 R)
• M7: 4,228,384 km (0.061 R)
• M8: 5,088,422 km (0.105 R)
• M9: 5,891,463 km (0.107 R)
• M10: 8,593,799 km (0.097 R)
• M11: 9,397,888 km (0.087 R)
• M12: 10,181,332 km (0.035 R)
• M13: 10,861,105 km (0.118 R)
• M14: 13,291,472 km (0.112 R)
• M15: 14,858,509 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 14

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.66 AU - 3.92 AU

Year: 3915 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 23,689,959 km

• M1: 174,132 km (0.092 R)
• M2: 647,759 km (0.058 R)
• M3: 1,136,645 km (0.107 R)
• M4: 2,186,373 km (0.12 R)
• M5: 2,864,799 km (0.118 R)
• M6: 3,372,834 km (0.113 R)
• M7: 4,030,615 km (0.099 R)
• M8: 4,475,071 km (0.065 R)
• M9: 5,190,597 km (0.106 R)
• M10: 5,805,295 km (0.052 R)
• M11: 6,313,329 km (0.065 R)
• M12: 7,522,679 km (0.115 R)
• M13: 8,201,254 km (0.083 R)
• M14: 8,765,388 km (0.119 R)
• M15: 9,315,310 km (0.111 R)
• M16: 11,985,632 km (0.054 R)
• M17: 14,635,459 km (0.098 R)
• M18: 16,448,286 km (0.097 R)
• M19: 17,902,976 km (0.059 R)
• M20: 21,629,010 km (0.102 R)
• M21: 23,299,120 km (0.068 R)
• M22: 23,975,602 km (0.099 R)
• M23: 27,059,263 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.5

Radius: 6.9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.65 AU - 9.55 AU

Year: 18008 Days

Day: 24 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,689,959 km

• M1: 91,404 km (0.076 R)
• M2: 330,312 km (0.114 R)
• M3: 729,589 km (0.089 R)
• M4: 1,124,078 km (0.103 R)
• M5: 1,360,742 km (0.045 R)
• M6: 2,615,569 km (0.081 R)
• M7: 3,054,041 km (0.109 R)
• M8: 4,012,963 km (0.099 R)
• M9: 5,711,348 km (0.117 R)
• M10: 6,628,083 km (0.067 R)
• M11: 7,248,765 km (0.081 R)
• M12: 7,873,785 km (0.086 R)
• M13: 13,148,007 km (0.093 R)
• M14: 14,076,112 km (0.045 R)
• M15: 14,839,062 km (0.088 R)
• M16: 16,502,590 km (0.085 R)
• M17: 19,379,806 km (0.104 R)
• M18: 20,969,283 km (0.1 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 12,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit