🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257

Radius: 14.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.11 AU - 1.23 AU

Year: 817 Days

Day: 13.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,546,849 km

• M1: 184,005 km (0.068 R)
• M2: 701,165 km (0.084 R)
• M3: 1,248,095 km (0.062 R)
• M4: 1,889,421 km (0.045 R)
• M5: 2,604,649 km (0.104 R)
• M6: 3,496,401 km (0.082 R)
• M7: 4,193,677 km (0.06 R)
• M8: 4,872,851 km (0.091 R)
• M9: 5,404,821 km (0.092 R)
• M10: 5,993,339 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.3

Radius: 12.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.2 AU - 1.32 AU

Year: 913 Days

Day: 12.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,546,849 km

• M1: 157,975 km (0.067 R)
• M2: 609,761 km (0.083 R)
• M3: 1,222,364 km (0.083 R)
• M4: 1,674,599 km (0.03 R)
• M5: 2,249,802 km (0.097 R)
• M6: 2,700,541 km (0.064 R)
• M7: 3,318,978 km (0.114 R)
• M8: 3,847,208 km (0.091 R)
• M9: 4,684,508 km (0.051 R)
• M10: 5,092,012 km (0.098 R)
• M11: 5,581,197 km (0.09 R)
• M12: 6,966,174 km (0.045 R)
• M13: 7,763,681 km (0.087 R)
• M14: 8,568,966 km (0.071 R)
• M15: 8,992,029 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.9

Radius: 8.5

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.08 AU - 1.68 AU

Year: 1047 Days

Day: 9.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,546,849 km

• M1: 106,065 km (0.1 R)
• M2: 440,267 km (0.118 R)
• M3: 813,064 km (0.116 R)
• M4: 1,242,111 km (0.101 R)
• M5: 1,547,740 km (0.113 R)
• M6: 3,184,639 km (0.076 R)
• M7: 3,860,672 km (0.12 R)
• M8: 4,414,633 km (0.1 R)
• M9: 5,001,356 km (0.112 R)
• M10: 5,849,277 km (0.109 R)
• M11: 6,263,064 km (0.112 R)
• M12: 6,649,625 km (0.052 R)
• M13: 7,076,278 km (0.096 R)
• M14: 7,521,183 km (0.036 R)
• M15: 8,412,187 km (0.089 R)
• M16: 8,968,243 km (0.075 R)
• M17: 9,548,533 km (0.106 R)
• M18: 10,624,142 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949

Radius: 9.3

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.35 AU - 2.15 AU

Year: 1495 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,546,849 km

• M1: 124,765 km (0.045 R)
• M2: 429,645 km (0.051 R)
• M3: 890,706 km (0.113 R)
• M4: 1,190,799 km (0.072 R)
• M5: 1,531,733 km (0.105 R)
• M6: 2,276,730 km (0.117 R)
• M7: 2,682,589 km (0.094 R)
• M8: 3,120,911 km (0.107 R)
• M9: 3,939,660 km (0.025 R)
• M10: 4,708,743 km (0.088 R)
• M11: 5,086,028 km (0.032 R)
• M12: 5,759,817 km (0.108 R)
• M13: 8,289,966 km (0.091 R)
• M14: 8,747,885 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.5

Radius: 10.2

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.11 AU - 2.59 AU

Year: 2326 Days

Day: 8.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,546,849 km

• M1: 127,158 km (0.109 R)
• M2: 521,199 km (0.036 R)
• M3: 845,677 km (0.068 R)
• M4: 1,691,354 km (0.068 R)
• M5: 2,113,369 km (0.111 R)
• M6: 2,724,626 km (0.092 R)
• M7: 4,038,694 km (0.067 R)
• M8: 4,693,035 km (0.101 R)
• M9: 6,298,968 km (0.111 R)
• M10: 7,062,216 km (0.094 R)
• M11: 7,760,838 km (0.117 R)
• M12: 8,088,607 km (0.118 R)
• M13: 9,017,760 km (0.041 R)
• M14: 9,781,756 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.7

Radius: 12.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.46 AU - 4.74 AU

Year: 6370 Days

Day: 10 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,546,849 km

• M1: 162,613 km (0.069 R)
• M2: 626,067 km (0.118 R)
• M3: 3,293,248 km (0.109 R)
• M4: 5,365,028 km (0.117 R)
• M5: 5,866,331 km (0.113 R)
• M6: 6,677,002 km (0.104 R)
• M7: 7,357,822 km (0.075 R)
• M8: 7,907,444 km (0.081 R)
• M9: 8,337,389 km (0.077 R)
• M10: 12,125,955 km (0.096 R)
• M11: 14,002,510 km (0.115 R)
• M12: 15,504,323 km (0.092 R)
• M13: 21,817,503 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.3

Radius: 4.2

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.93 AU - 7.45 AU

Year: 11173 Days

Day: 18.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,546,849 km

• M1: 55,202 km (0.086 R)
• M2: 197,170 km (0.114 R)
• M3: 1,137,093 km (0.097 R)
• M4: 2,586,248 km (0.085 R)
• M5: 2,990,013 km (0.028 R)
• M6: 6,250,349 km (0.104 R)
• M7: 6,396,805 km (0.075 R)
• M8: 6,911,721 km (0.055 R)
• M9: 8,730,981 km (0.118 R)
• M10: 9,250,085 km (0.087 R)
• M11: 12,294,551 km (0.114 R)
• M12: 16,330,253 km (0.117 R)
• M13: 16,552,406 km (0.106 R)
• M14: 17,403,767 km (0.108 R)
• M15: 18,164,921 km (0.108 R)
• M16: 19,440,842 km (0.105 R)
• M17: 21,498,112 km (0.069 R)
• M18: 23,696,153 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.2

Radius: 7.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.88 AU - 8.04 AU

Year: 13156 Days

Day: 20 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,546,849 km

• M1: 90,806 km (0.078 R)
• M2: 501,003 km (0.083 R)
• M3: 1,852,770 km (0.077 R)
• M4: 2,352,127 km (0.076 R)
• M5: 2,763,970 km (0.089 R)
• M6: 6,415,953 km (0.104 R)
• M7: 7,039,926 km (0.086 R)
• M8: 10,264,957 km (0.068 R)
• M9: 18,181,078 km (0.062 R)
• M10: 27,666,630 km (0.084 R)
• M11: 32,594,833 km (0.109 R)
• M12: 34,532,275 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.6

Radius: 4.9

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.83 AU - 8.01 AU

Year: 14391 Days

Day: 23.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,546,849 km

• M1: 60,886 km (0.049 R)
• M2: 233,971 km (0.088 R)
• M3: 471,084 km (0.113 R)
• M4: 658,829 km (0.116 R)
• M5: 1,324,988 km (0.082 R)
• M6: 1,482,365 km (0.091 R)
• M7: 1,735,036 km (0.086 R)
• M8: 2,126,833 km (0.081 R)
• M9: 3,147,838 km (0.08 R)
• M10: 3,341,568 km (0.048 R)
• M11: 3,922,007 km (0.111 R)
• M12: 4,929,399 km (0.093 R)
• M13: 5,102,933 km (0.106 R)
• M14: 6,264,710 km (0.103 R)
• M15: 7,592,541 km (0.1 R)
• M16: 8,180,760 km (0.074 R)
• M17: 9,315,011 km (0.093 R)
• M18: 11,994,907 km (0.083 R)
• M19: 16,523,982 km (0.105 R)
• M20: 23,187,221 km (0.116 R)
• M21: 25,695,828 km (0.044 R)
• M22: 26,394,001 km (0.071 R)
• M23: 28,379,464 km (0.043 R)
• M24: 30,949,555 km (0.038 R)
• M25: 32,746,525 km (0.092 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: 245 - 15,104 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit