🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 13.1

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.48 AU - 0.74 AU

Year: 323 Days

Day: 12.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 4,084,501 km

• M1: 188,493 km (0.065 R)
• M2: 306,676 km (0.074 R)
• M3: 462,557 km (0.1 R)
• M4: 544,087 km (0.05 R)
• M5: 628,610 km (0.12 R)
• M6: 787,633 km (0.085 R)
• M7: 898,036 km (0.049 R)
• M8: 1,022,651 km (0.064 R)
• M9: 1,157,738 km (0.118 R)
• M10: 1,249,890 km (0.112 R)
• M11: 1,354,010 km (0.049 R)
• M12: 1,489,696 km (0.099 R)
• M13: 1,586,037 km (0.084 R)
• M14: 1,669,662 km (0.093 R)
• M15: 1,775,128 km (0.111 R)
• M16: 1,867,430 km (0.08 R)
• M17: 2,003,714 km (0.094 R)
• M18: 2,159,894 km (0.082 R)
• M19: 2,594,476 km (0.112 R)
• M20: 2,729,563 km (0.069 R)
• M21: 2,927,930 km (0.071 R)
• M22: 3,174,616 km (0.105 R)
• M23: 3,570,752 km (0.083 R)
• M24: 3,721,845 km (0.071 R)
• M25: 3,828,210 km (0.117 R)
• M26: 4,023,734 km (0.09 R)
• M27: 4,105,564 km (0.114 R)
• M28: 4,187,992 km (0.119 R)
• M29: 4,270,870 km (0.068 R)
• M30: 4,403,413 km (0.108 R)
• M31: 4,651,297 km (0.105 R)
• M32: 4,896,488 km (0.116 R)
• M33: 4,998,663 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18

Radius: 8.6

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.53 AU - 0.77 AU

Year: 355 Days

Day: 10.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 4,084,501 km

• M1: 107,112 km (0.119 R)
• M2: 167,250 km (0.116 R)
• M3: 230,381 km (0.032 R)
• M4: 293,661 km (0.083 R)
• M5: 363,972 km (0.034 R)
• M6: 434,881 km (0.092 R)
• M7: 570,417 km (0.098 R)
• M8: 633,697 km (0.087 R)
• M9: 736,919 km (0.091 R)
• M10: 816,954 km (0.11 R)
• M11: 941,120 km (0.101 R)
• M12: 1,025,045 km (0.058 R)
• M13: 1,250,339 km (0.08 R)
• M14: 1,425,967 km (0.104 R)
• M15: 1,484,908 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.6

Radius: 15

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.62 AU - 0.8 AU

Year: 406 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 4,084,501 km

• M1: 218,862 km (0.069 R)
• M2: 329,863 km (0.025 R)
• M3: 441,613 km (0.095 R)
• M4: 543,938 km (0.08 R)
• M5: 717,471 km (0.063 R)
• M6: 840,890 km (0.111 R)
• M7: 1,068,129 km (0.062 R)
• M8: 1,187,209 km (0.086 R)
• M9: 1,311,375 km (0.099 R)
• M10: 1,423,873 km (0.113 R)
• M11: 1,676,843 km (0.113 R)
• M12: 1,770,341 km (0.077 R)
• M13: 1,914,404 km (0.117 R)
• M14: 2,024,957 km (0.083 R)
• M15: 2,208,065 km (0.081 R)
• M16: 2,390,125 km (0.117 R)
• M17: 2,536,881 km (0.027 R)
• M18: 2,839,667 km (0.099 R)
• M19: 2,995,548 km (0.102 R)
• M20: 3,368,196 km (0.101 R)
• M21: 3,495,803 km (0.086 R)
• M22: 3,655,723 km (0.038 R)
• M23: 3,794,700 km (0.094 R)
• M24: 3,896,277 km (0.086 R)
• M25: 3,990,822 km (0.111 R)
• M26: 4,190,386 km (0.032 R)
• M27: 4,311,859 km (0.112 R)
• M28: 4,417,924 km (0.108 R)
• M29: 4,725,049 km (0.085 R)
• M30: 4,868,513 km (0.12 R)
• M31: 4,987,743 km (0.098 R)
• M32: 5,125,223 km (0.056 R)
• M33: 5,290,080 km (0.076 R)
• M34: 5,536,468 km (0.052 R)
• M35: 5,768,643 km (0.048 R)
• M36: 5,867,976 km (0.11 R)
• M37: 6,270,544 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.2

Radius: 14.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.78 AU - 0.98 AU

Year: 560 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 4,084,501 km

• M1: 191,036 km (0.025 R)
• M2: 314,305 km (0.065 R)
• M3: 410,646 km (0.109 R)
• M4: 551,867 km (0.111 R)
• M5: 663,616 km (0.113 R)
• M6: 797,357 km (0.1 R)
• M7: 945,159 km (0.058 R)
• M8: 1,113,906 km (0.116 R)
• M9: 1,262,905 km (0.104 R)
• M10: 1,403,228 km (0.089 R)
• M11: 1,549,086 km (0.053 R)
• M12: 1,649,317 km (0.1 R)
• M13: 1,804,001 km (0.104 R)
• M14: 1,963,771 km (0.104 R)
• M15: 2,059,364 km (0.068 R)
• M16: 2,151,816 km (0.063 R)
• M17: 2,283,761 km (0.052 R)
• M18: 2,442,933 km (0.095 R)
• M19: 2,635,914 km (0.064 R)
• M20: 2,937,653 km (0.1 R)
• M21: 3,085,007 km (0.104 R)
• M22: 3,250,911 km (0.106 R)
• M23: 3,387,045 km (0.098 R)
• M24: 3,486,229 km (0.061 R)
• M25: 3,676,368 km (0.115 R)
• M26: 3,801,132 km (0.093 R)
• M27: 3,933,227 km (0.03 R)
• M28: 4,026,127 km (0.099 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 14,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit