🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 14.3

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.45 AU - 0.59 AU

Year: 254 Days

Day: 6.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,023,143 km

• M1: 177,872 km (0.117 R)
• M2: 632,649 km (0.032 R)
• M3: 1,523,355 km (0.076 R)
• M4: 2,034,830 km (0.062 R)
• M5: 2,743,475 km (0.058 R)
• M6: 3,481,142 km (0.066 R)
• M7: 4,016,104 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.3

Radius: 9.4

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.03 AU - 1.13 AU

Year: 761 Days

Day: 5.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,023,143 km

• M1: 117,135 km (0.116 R)
• M2: 524,191 km (0.101 R)
• M3: 1,145,321 km (0.111 R)
• M4: 1,582,147 km (0.092 R)
• M5: 1,993,691 km (0.094 R)
• M6: 2,999,138 km (0.109 R)
• M7: 3,425,941 km (0.119 R)
• M8: 6,811,789 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.1

Radius: 15

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.6 AU - 1.78 AU

Year: 1490 Days

Day: 8.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,023,143 km

• M1: 186,698 km (0.073 R)
• M2: 677,230 km (0.109 R)
• M3: 1,341,594 km (0.082 R)
• M4: 1,936,245 km (0.091 R)
• M5: 2,957,849 km (0.07 R)
• M6: 3,444,940 km (0.109 R)
• M7: 4,428,995 km (0.045 R)
• M8: 4,925,809 km (0.1 R)
• M9: 5,914,801 km (0.107 R)
• M10: 7,380,710 km (0.07 R)
• M11: 8,555,203 km (0.088 R)
• M12: 9,171,845 km (0.09 R)
• M13: 10,773,590 km (0.074 R)
• M14: 11,420,152 km (0.104 R)
• M15: 11,903,203 km (0.036 R)
• M16: 13,353,106 km (0.119 R)
• M17: 14,057,562 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.8

Radius: 11.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.59 AU - 2.09 AU

Year: 1693 Days

Day: 8.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,023,143 km

• M1: 148,251 km (0.065 R)
• M2: 529,128 km (0.083 R)
• M3: 1,128,866 km (0.102 R)
• M4: 1,728,155 km (0.042 R)
• M5: 2,386,385 km (0.062 R)
• M6: 2,978,045 km (0.113 R)
• M7: 3,649,739 km (0.103 R)
• M8: 4,065,023 km (0.109 R)
• M9: 4,776,361 km (0.102 R)
• M10: 5,192,841 km (0.068 R)
• M11: 6,590,385 km (0.08 R)
• M12: 7,007,164 km (0.11 R)
• M13: 7,467,926 km (0.11 R)
• M14: 8,766,884 km (0.114 R)
• M15: 9,181,420 km (0.076 R)
• M16: 9,765,151 km (0.094 R)
• M17: 10,340,803 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.7

Radius: 9.3

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.09 AU - 3.51 AU

Year: 4066 Days

Day: 11.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,023,143 km

• M1: 115,938 km (0.055 R)
• M2: 449,093 km (0.108 R)
• M3: 882,777 km (0.103 R)
• M4: 1,252,284 km (0.093 R)
• M5: 1,560,755 km (0.056 R)
• M6: 2,131,919 km (0.091 R)
• M7: 2,527,905 km (0.086 R)
• M8: 3,407,690 km (0.105 R)
• M9: 4,914,290 km (0.105 R)
• M10: 5,782,406 km (0.091 R)
• M11: 6,871,180 km (0.054 R)
• M12: 8,396,480 km (0.098 R)
• M13: 10,523,462 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.9

Radius: 14.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.96 AU - 4.28 AU

Year: 4671 Days

Day: 12.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,023,143 km

• M1: 176,974 km (0.077 R)
• M2: 700,118 km (0.114 R)
• M3: 1,243,458 km (0.118 R)
• M4: 1,732,942 km (0.061 R)
• M5: 2,277,029 km (0.116 R)
• M6: 3,197,505 km (0.096 R)
• M7: 5,374,752 km (0.098 R)
• M8: 7,683,646 km (0.112 R)
• M9: 8,561,935 km (0.103 R)
• M10: 9,041,995 km (0.044 R)
• M11: 9,744,357 km (0.057 R)
• M12: 11,145,191 km (0.068 R)
• M13: 11,757,345 km (0.08 R)
• M14: 12,799,893 km (0.094 R)
• M15: 13,643,176 km (0.111 R)
• M16: 16,445,294 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.2

Radius: 3.4

Gravity: 72.77 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.68 AU - 6.44 AU

Year: 10118 Days

Day: 20.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,023,143 km

• M1: 42,336 km (0.114 R)
• M2: 155,881 km (0.07 R)
• M3: 353,949 km (0.113 R)
• M4: 585,227 km (0.091 R)
• M5: 765,792 km (0.115 R)
• M6: 971,937 km (0.107 R)
• M7: 2,220,780 km (0.106 R)
• M8: 2,555,880 km (0.067 R)
• M9: 2,746,467 km (0.119 R)
• M10: 3,252,258 km (0.117 R)
• M11: 3,501,637 km (0.087 R)
• M12: 4,505,888 km (0.03 R)
• M13: 6,198,438 km (0.084 R)
• M14: 6,581,558 km (0.116 R)
• M15: 6,858,913 km (0.093 R)
• M16: 7,479,445 km (0.082 R)
• M17: 9,120,085 km (0.107 R)
• M18: 9,365,425 km (0.085 R)
• M19: 11,207,573 km (0.104 R)
• M20: 11,717,552 km (0.059 R)
• M21: 13,720,219 km (0.111 R)
• M22: 14,042,303 km (0.096 R)
• M23: 15,519,433 km (0.087 R)
• M24: 18,078,005 km (0.118 R)
• M25: 21,330,263 km (0.119 R)
• M26: 23,003,216 km (0.106 R)
• M27: 27,614,869 km (0.08 R)
• M28: 29,491,874 km (0.1 R)
• M29: 30,679,681 km (0.12 R)
• M30: 32,011,551 km (0.094 R)
• M31: 32,691,772 km (0.115 R)
• M32: 35,148,319 km (0.06 R)
• M33: 36,728,970 km (0.112 R)
• M34: 38,103,026 km (0.11 R)
• M35: 40,424,785 km (0.031 R)
• M36: 42,023,987 km (0.087 R)
• M37: 44,641,351 km (0.067 R)
• M38: 45,205,933 km (0.104 R)
• M39: 49,592,442 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.3

Radius: 7.8

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.28 AU - 11.7 AU

Year: 19829 Days

Day: 23.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,023,143 km

• M1: 155,283 km (0.089 R)
• M2: 456,423 km (0.09 R)
• M3: 743,053 km (0.101 R)
• M4: 1,066,483 km (0.038 R)
• M5: 1,423,723 km (0.11 R)
• M6: 1,755,232 km (0.091 R)
• M7: 2,339,262 km (0.094 R)
• M8: 2,688,124 km (0.066 R)
• M9: 5,789,737 km (0.111 R)
• M10: 7,711,621 km (0.097 R)
• M11: 7,996,455 km (0.114 R)
• M12: 11,306,457 km (0.099 R)
• M13: 12,241,893 km (0.106 R)
• M14: 15,733,208 km (0.099 R)
• M15: 16,269,666 km (0.076 R)
• M16: 18,453,795 km (0.061 R)
• M17: 18,964,522 km (0.113 R)
• M18: 19,310,093 km (0.08 R)
• M19: 24,397,468 km (0.101 R)
• M20: 27,138,101 km (0.11 R)
• M21: 32,972,867 km (0.063 R)
• M22: 35,003,209 km (0.107 R)
• M23: 35,785,755 km (0.105 R)
• M24: 46,572,959 km (0.074 R)
• M25: 48,478,237 km (0.055 R)
• M26: 48,962,635 km (0.055 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: 480 - 12,825 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit