🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.4

Radius: 8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.75 AU - 1.05 AU

Year: 589 Days

Day: 15 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,390,835 km

• M1: 99,483 km (0.097 R)
• M2: 360,980 km (0.051 R)
• M3: 616,792 km (0.111 R)
• M4: 917,933 km (0.033 R)
• M5: 1,188,854 km (0.11 R)
• M6: 1,572,423 km (0.079 R)
• M7: 1,823,299 km (0.052 R)
• M8: 2,109,180 km (0.119 R)
• M9: 3,316,734 km (0.071 R)
• M10: 3,993,066 km (0.096 R)
• M11: 4,303,931 km (0.12 R)
• M12: 4,561,688 km (0.064 R)
• M13: 4,887,362 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.4

Radius: 12.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.42 AU - 2.18 AU

Year: 1667 Days

Day: 12.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,390,835 km

• M1: 157,676 km (0.091 R)
• M2: 748,438 km (0.09 R)
• M3: 1,429,557 km (0.098 R)
• M4: 1,987,408 km (0.082 R)
• M5: 2,535,684 km (0.053 R)
• M6: 2,928,528 km (0.059 R)
• M7: 3,579,428 km (0.067 R)
• M8: 4,025,380 km (0.082 R)
• M9: 4,716,222 km (0.056 R)
• M10: 5,316,260 km (0.093 R)
• M11: 6,382,144 km (0.106 R)
• M12: 7,638,916 km (0.119 R)
• M13: 8,641,521 km (0.107 R)
• M14: 9,235,425 km (0.029 R)
• M15: 10,080,054 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.6

Radius: 10.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.66 AU - 2.48 AU

Year: 2056 Days

Day: 9.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,390,835 km

• M1: 131,945 km (0.089 R)
• M2: 865,424 km (0.057 R)
• M3: 1,706,463 km (0.09 R)
• M4: 2,232,449 km (0.059 R)
• M5: 2,614,372 km (0.081 R)
• M6: 3,730,672 km (0.071 R)
• M7: 4,386,808 km (0.09 R)
• M8: 5,581,347 km (0.11 R)
• M9: 6,120,498 km (0.103 R)
• M10: 6,954,356 km (0.116 R)
• M11: 7,440,250 km (0.073 R)
• M12: 8,662,465 km (0.106 R)
• M13: 9,779,362 km (0.095 R)
• M14: 11,687,334 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.4

Radius: 12.2

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.37 AU - 2.53 AU

Year: 2647 Days

Day: 14.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,390,835 km

• M1: 154,235 km (0.068 R)
• M2: 637,287 km (0.107 R)
• M3: 1,032,375 km (0.091 R)
• M4: 2,086,442 km (0.062 R)
• M5: 2,673,314 km (0.108 R)
• M6: 3,568,956 km (0.109 R)
• M7: 3,975,563 km (0.067 R)
• M8: 4,588,316 km (0.109 R)
• M9: 5,046,983 km (0.052 R)
• M10: 5,485,754 km (0.066 R)
• M11: 6,329,336 km (0.101 R)
• M12: 7,850,148 km (0.096 R)
• M13: 10,201,827 km (0.108 R)
• M14: 13,079,940 km (0.115 R)
• M15: 14,196,688 km (0.115 R)
• M16: 14,729,406 km (0.112 R)
• M17: 15,528,109 km (0.087 R)
• M18: 16,566,618 km (0.113 R)
• M19: 17,762,054 km (0.111 R)
• M20: 18,552,081 km (0.088 R)
• M21: 19,542,867 km (0.113 R)
• M22: 20,445,990 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.1

Radius: 11.6

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.37 AU - 3.05 AU

Year: 3079 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,390,835 km

• M1: 144,212 km (0.096 R)
• M2: 520,002 km (0.077 R)
• M3: 886,517 km (0.057 R)
• M4: 1,641,837 km (0.112 R)
• M5: 2,329,987 km (0.07 R)
• M6: 3,184,490 km (0.11 R)
• M7: 3,561,776 km (0.119 R)
• M8: 4,786,384 km (0.084 R)
• M9: 5,235,177 km (0.113 R)
• M10: 5,921,682 km (0.09 R)
• M11: 7,018,085 km (0.073 R)
• M12: 8,278,447 km (0.093 R)
• M13: 9,068,324 km (0.112 R)
• M14: 9,647,118 km (0.12 R)
• M15: 10,878,458 km (0.109 R)
• M16: 11,573,789 km (0.076 R)
• M17: 12,962,955 km (0.085 R)
• M18: 13,651,254 km (0.081 R)
• M19: 14,028,092 km (0.036 R)
• M20: 14,951,260 km (0.109 R)
• M21: 17,740,662 km (0.103 R)
• M22: 18,994,442 km (0.106 R)
• M23: 20,367,301 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.4

Radius: 6.3

Gravity: 25.13 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.57 AU - 7.01 AU

Year: 9617 Days

Day: 18.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,390,835 km

• M1: 78,539 km (0.099 R)
• M2: 721,361 km (0.065 R)
• M3: 944,411 km (0.092 R)
• M4: 1,577,958 km (0.095 R)
• M5: 2,325,050 km (0.079 R)
• M6: 3,261,982 km (0.082 R)
• M7: 3,537,690 km (0.099 R)
• M8: 8,217,261 km (0.096 R)
• M9: 8,493,569 km (0.034 R)
• M10: 9,162,720 km (0.062 R)
• M11: 10,605,442 km (0.114 R)
• M12: 13,933,396 km (0.102 R)
• M13: 15,691,470 km (0.105 R)
• M14: 21,757,215 km (0.119 R)
• M15: 24,585,512 km (0.107 R)
• M16: 30,517,966 km (0.088 R)
• M17: 38,351,808 km (0.107 R)
• M18: 38,994,779 km (0.12 R)
• M19: 42,044,781 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.3

Radius: 4.3

Gravity: 21.33 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.23 AU - 6.81 AU

Year: 10195 Days

Day: 17.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,390,835 km

• M1: 53,855 km (0.091 R)
• M2: 197,918 km (0.102 R)
• M3: 390,899 km (0.044 R)
• M4: 525,238 km (0.067 R)
• M5: 691,292 km (0.118 R)
• M6: 939,026 km (0.08 R)
• M7: 1,290,431 km (0.092 R)
• M8: 1,827,787 km (0.085 R)
• M9: 2,129,974 km (0.111 R)
• M10: 2,615,719 km (0.102 R)
• M11: 5,435,788 km (0.114 R)
• M12: 5,790,934 km (0.063 R)
• M13: 7,175,312 km (0.03 R)
• M14: 7,328,800 km (0.102 R)
• M15: 7,484,381 km (0.109 R)
• M16: 8,853,800 km (0.04 R)
• M17: 9,299,602 km (0.077 R)
• M18: 9,807,188 km (0.109 R)
• M19: 13,420,275 km (0.067 R)
• M20: 14,308,438 km (0.104 R)
• M21: 14,613,019 km (0.1 R)
• M22: 14,859,706 km (0.091 R)
• M23: 15,046,703 km (0.093 R)
• M24: 15,488,915 km (0.103 R)
• M25: 18,112,413 km (0.11 R)
• M26: 18,829,884 km (0.091 R)
• M27: 21,332,058 km (0.074 R)
• M28: 22,051,025 km (0.069 R)
• M29: 26,891,414 km (0.097 R)
• M30: 35,630,024 km (0.067 R)
• M31: 36,868,246 km (0.115 R)
• M32: 38,956,034 km (0.11 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 18,774 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit