🌌 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: 648.8

Radius: 13.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.58 AU - 0.72 AU

Year: 355 Days

Day: 9.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,287,875 km

• M1: 169,494 km (0.089 R)
• M2: 638,633 km (0.104 R)
• M3: 1,200,224 km (0.118 R)
• M4: 1,929,962 km (0.097 R)
• M5: 2,613,176 km (0.073 R)
• M6: 4,562,735 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.6

Radius: 13.4

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.27 AU - 1.41 AU

Year: 1052 Days

Day: 5.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,287,875 km

• M1: 166,652 km (0.101 R)
• M2: 590,164 km (0.102 R)
• M3: 1,141,133 km (0.112 R)
• M4: 1,652,757 km (0.066 R)
• M5: 2,120,101 km (0.073 R)
• M6: 2,804,062 km (0.049 R)
• M7: 3,539,037 km (0.08 R)
• M8: 3,969,430 km (0.083 R)
• M9: 4,417,027 km (0.101 R)
• M10: 5,394,499 km (0.108 R)
• M11: 5,989,749 km (0.062 R)
• M12: 7,465,083 km (0.074 R)
• M13: 7,989,424 km (0.11 R)
• M14: 8,482,199 km (0.076 R)
• M15: 11,738,945 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385

Radius: 8.5

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.36 AU - 1.42 AU

Year: 1112 Days

Day: 9.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,287,875 km

• M1: 105,766 km (0.085 R)
• M2: 470,485 km (0.044 R)
• M3: 747,092 km (0.042 R)
• M4: 1,044,193 km (0.1 R)
• M5: 1,642,585 km (0.115 R)
• M6: 1,924,577 km (0.101 R)
• M7: 2,531,196 km (0.072 R)
• M8: 2,935,260 km (0.118 R)
• M9: 3,368,196 km (0.1 R)
• M10: 4,216,266 km (0.091 R)
• M11: 4,664,611 km (0.068 R)
• M12: 5,695,939 km (0.106 R)
• M13: 6,542,513 km (0.084 R)
• M14: 8,355,340 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.2

Radius: 9.8

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.31 AU - 1.69 AU

Year: 1246 Days

Day: 13.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,287,875 km

• M1: 121,922 km (0.032 R)
• M2: 518,357 km (0.034 R)
• M3: 912,547 km (0.07 R)
• M4: 1,295,966 km (0.099 R)
• M5: 1,804,898 km (0.111 R)
• M6: 2,332,530 km (0.119 R)
• M7: 3,143,949 km (0.119 R)
• M8: 3,578,381 km (0.111 R)
• M9: 3,973,319 km (0.098 R)
• M10: 6,252,144 km (0.078 R)
• M11: 7,011,203 km (0.118 R)
• M12: 8,263,188 km (0.081 R)
• M13: 8,901,373 km (0.102 R)
• M14: 9,260,707 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.5

Radius: 10.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.3 AU - 3.82 AU

Year: 3631 Days

Day: 8 Hours

Environment

Temp: -203 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,287,875 km

• M1: 141,520 km (0.056 R)
• M2: 592,856 km (0.106 R)
• M3: 1,233,734 km (0.034 R)
• M4: 1,734,139 km (0.116 R)
• M5: 2,367,087 km (0.077 R)
• M6: 5,073,911 km (0.102 R)
• M7: 5,447,906 km (0.053 R)
• M8: 6,345,493 km (0.077 R)
• M9: 9,169,901 km (0.11 R)
• M10: 12,109,349 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.3

Radius: 8.3

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.56 AU - 4.52 AU

Year: 5508 Days

Day: 13.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,287,875 km

• M1: 121,623 km (0.062 R)
• M2: 439,818 km (0.068 R)
• M3: 724,951 km (0.03 R)
• M4: 1,083,089 km (0.107 R)
• M5: 2,106,188 km (0.106 R)
• M6: 2,623,049 km (0.085 R)
• M7: 3,183,143 km (0.049 R)
• M8: 3,777,047 km (0.049 R)
• M9: 4,370,502 km (0.076 R)
• M10: 5,211,541 km (0.115 R)
• M11: 6,156,401 km (0.086 R)
• M12: 7,449,525 km (0.118 R)
• M13: 10,738,434 km (0.096 R)
• M14: 11,185,283 km (0.112 R)
• M15: 12,405,104 km (0.108 R)
• M16: 13,659,482 km (0.089 R)
• M17: 15,106,991 km (0.069 R)
• M18: 16,418,366 km (0.068 R)
• M19: 16,951,683 km (0.074 R)
• M20: 17,313,560 km (0.097 R)
• M21: 22,283,052 km (0.111 R)
• M22: 24,511,761 km (0.077 R)
• M23: 25,130,348 km (0.097 R)
• M24: 27,875,918 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.5

Radius: 3.5

Gravity: 54.57 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.07 AU - 10.45 AU

Year: 19112 Days

Day: 18.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,287,875 km

• M1: 47,273 km (0.036 R)
• M2: 163,810 km (0.05 R)
• M3: 514,467 km (0.104 R)
• M4: 801,695 km (0.102 R)
• M5: 1,173,296 km (0.115 R)
• M6: 1,374,804 km (0.087 R)
• M7: 1,846,786 km (0.032 R)
• M8: 2,418,998 km (0.073 R)
• M9: 2,794,638 km (0.088 R)
• M10: 4,417,924 km (0.091 R)
• M11: 4,868,812 km (0.096 R)
• M12: 5,161,276 km (0.038 R)
• M13: 5,273,774 km (0.093 R)
• M14: 7,120,111 km (0.108 R)
• M15: 7,259,685 km (0.076 R)
• M16: 7,738,548 km (0.077 R)
• M17: 8,919,175 km (0.098 R)
• M18: 9,356,449 km (0.114 R)
• M19: 10,273,783 km (0.103 R)
• M20: 11,249,461 km (0.113 R)
• M21: 15,458,247 km (0.083 R)
• M22: 21,273,864 km (0.048 R)
• M23: 22,349,922 km (0.113 R)
• M24: 22,850,776 km (0.116 R)
• M25: 25,359,532 km (0.094 R)
• M26: 36,123,398 km (0.066 R)
• M27: 37,792,611 km (0.057 R)
• M28: 42,189,292 km (0.03 R)
• M29: 42,800,100 km (0.086 R)
• M30: 44,667,830 km (0.101 R)
• M31: 47,405,770 km (0.113 R)
• M32: 48,565,004 km (0.044 R)
• M33: 48,732,105 km (0.101 R)
• M34: 57,960,947 km (0.073 R)
• M35: 60,824,549 km (0.084 R)
• M36: 64,989,803 km (0.049 R)
• M37: 66,625,356 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.6

Radius: 7.1

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.37 AU - 12.91 AU

Year: 23540 Days

Day: 22.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,287,875 km

• M1: 321,785 km (0.105 R)
• M2: 599,588 km (0.09 R)
• M3: 1,975,889 km (0.118 R)
• M4: 2,797,630 km (0.078 R)
• M5: 3,828,808 km (0.062 R)
• M6: 6,932,964 km (0.115 R)
• M7: 7,261,780 km (0.06 R)
• M8: 9,288,382 km (0.115 R)
• M9: 10,340,055 km (0.052 R)
• M10: 12,470,479 km (0.073 R)
• M11: 16,067,260 km (0.059 R)
• M12: 17,405,263 km (0.116 R)
• M13: 19,179,943 km (0.078 R)
• M14: 20,877,430 km (0.082 R)
• M15: 24,138,364 km (0.085 R)
• M16: 50,001,293 km (0.091 R)
• M17: 53,197,601 km (0.102 R)
• M18: 59,993,982 km (0.08 R)
• M19: 62,180,505 km (0.113 R)
• M20: 71,459,013 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 16,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit