🌌 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: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.9

Radius: 14.4

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.54 AU - 0.76 AU

Year: 362 Days

Day: 6.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,076,593 km

• M1: 179,069 km (0.096 R)
• M2: 662,120 km (0.092 R)
• M3: 1,510,041 km (0.045 R)
• M4: 2,019,870 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.3

Radius: 11.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.9 AU - 2.02 AU

Year: 1894 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,076,593 km

• M1: 148,401 km (0.118 R)
• M2: 1,405,023 km (0.091 R)
• M3: 1,786,647 km (0.117 R)
• M4: 3,088,897 km (0.097 R)
• M5: 3,527,667 km (0.114 R)
• M6: 4,387,406 km (0.097 R)
• M7: 5,361,438 km (0.104 R)
• M8: 5,823,845 km (0.118 R)
• M9: 6,381,696 km (0.093 R)
• M10: 7,398,961 km (0.088 R)
• M11: 8,662,016 km (0.111 R)
• M12: 9,661,928 km (0.111 R)
• M13: 10,316,868 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.1

Radius: 13.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.14 AU - 3.2 AU

Year: 3011 Days

Day: 12.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,076,593 km

• M1: 164,109 km (0.093 R)
• M2: 591,660 km (0.074 R)
• M3: 1,132,157 km (0.098 R)
• M4: 2,060,561 km (0.093 R)
• M5: 2,485,120 km (0.096 R)
• M6: 3,029,806 km (0.058 R)
• M7: 3,532,604 km (0.073 R)
• M8: 5,857,804 km (0.059 R)
• M9: 6,512,145 km (0.095 R)
• M10: 6,938,798 km (0.068 R)
• M11: 7,642,955 km (0.104 R)
• M12: 8,997,863 km (0.109 R)
• M13: 10,725,419 km (0.074 R)
• M14: 11,171,071 km (0.1 R)
• M15: 13,978,874 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.5

Radius: 14.8

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.81 AU - 4.21 AU

Year: 5543 Days

Day: 9.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,076,593 km

• M1: 184,005 km (0.097 R)
• M2: 780,602 km (0.118 R)
• M3: 1,468,602 km (0.071 R)
• M4: 2,461,783 km (0.081 R)
• M5: 3,327,356 km (0.119 R)
• M6: 4,789,226 km (0.052 R)
• M7: 5,758,321 km (0.117 R)
• M8: 7,140,606 km (0.106 R)
• M9: 7,851,943 km (0.106 R)
• M10: 9,114,101 km (0.091 R)
• M11: 10,649,573 km (0.047 R)
• M12: 12,090,650 km (0.095 R)
• M13: 15,357,717 km (0.117 R)
• M14: 15,912,875 km (0.104 R)
• M15: 17,063,283 km (0.108 R)
• M16: 19,890,234 km (0.091 R)
• M17: 21,376,788 km (0.115 R)
• M18: 22,303,696 km (0.064 R)
• M19: 23,581,112 km (0.102 R)
• M20: 24,906,699 km (0.097 R)
• M21: 31,001,915 km (0.034 R)
• M22: 36,477,346 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.4

Radius: 11.9

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.72 AU - 4.48 AU

Year: 5730 Days

Day: 15 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,076,593 km

• M1: 161,865 km (0.109 R)
• M2: 574,905 km (0.026 R)
• M3: 1,101,340 km (0.069 R)
• M4: 1,643,482 km (0.082 R)
• M5: 2,265,660 km (0.101 R)
• M6: 3,458,404 km (0.118 R)
• M7: 4,265,933 km (0.067 R)
• M8: 4,637,833 km (0.11 R)
• M9: 6,902,595 km (0.059 R)
• M10: 8,032,059 km (0.119 R)
• M11: 10,881,600 km (0.077 R)
• M12: 11,723,686 km (0.071 R)
• M13: 12,111,593 km (0.047 R)
• M14: 13,643,775 km (0.094 R)
• M15: 14,511,741 km (0.099 R)
• M16: 15,416,360 km (0.08 R)
• M17: 16,298,090 km (0.06 R)
• M18: 18,162,229 km (0.094 R)
• M19: 19,279,575 km (0.032 R)
• M20: 20,095,632 km (0.067 R)
• M21: 20,722,447 km (0.11 R)
• M22: 22,384,030 km (0.097 R)
• M23: 23,057,819 km (0.064 R)
• M24: 25,080,532 km (0.119 R)
• M25: 25,482,651 km (0.027 R)
• M26: 27,388,229 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.3

Radius: 4.9

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.97 AU - 9.23 AU

Year: 15913 Days

Day: 22.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,076,593 km

• M1: 60,886 km (0.095 R)
• M2: 451,636 km (0.11 R)
• M3: 1,669,961 km (0.039 R)
• M4: 2,085,095 km (0.098 R)
• M5: 2,566,052 km (0.055 R)
• M6: 2,728,067 km (0.099 R)
• M7: 3,593,341 km (0.047 R)
• M8: 7,067,901 km (0.108 R)
• M9: 8,098,780 km (0.091 R)
• M10: 9,463,561 km (0.112 R)
• M11: 10,816,824 km (0.051 R)
• M12: 16,322,624 km (0.113 R)
• M13: 30,257,965 km (0.078 R)
• M14: 31,312,480 km (0.065 R)
• M15: 34,055,656 km (0.089 R)
• M16: 41,283,627 km (0.036 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 19,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit