🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.3

Radius: 11.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 13.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,557,685 km

• M1: 144,212 km (0.103 R)
• M2: 584,928 km (0.072 R)
• M3: 970,591 km (0.056 R)
• M4: 1,379,143 km (0.078 R)
• M5: 1,910,066 km (0.105 R)
• M6: 2,427,525 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.1

Radius: 14.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.62 AU - 0.84 AU

Year: 416 Days

Day: 11.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,557,685 km

• M1: 179,218 km (0.076 R)
• M2: 834,008 km (0.097 R)
• M3: 1,329,327 km (0.081 R)
• M4: 1,866,533 km (0.12 R)
• M5: 2,427,674 km (0.081 R)
• M6: 3,204,237 km (0.062 R)
• M7: 3,674,722 km (0.073 R)
• M8: 4,154,034 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 9.8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.29 AU - 2.69 AU

Year: 2620 Days

Day: 6.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,557,685 km

• M1: 121,922 km (0.068 R)
• M2: 549,772 km (0.048 R)
• M3: 1,029,233 km (0.112 R)
• M4: 1,468,154 km (0.093 R)
• M5: 2,090,630 km (0.09 R)
• M6: 2,626,191 km (0.083 R)
• M7: 3,267,816 km (0.092 R)
• M8: 3,991,122 km (0.078 R)
• M9: 4,516,360 km (0.029 R)
• M10: 5,680,231 km (0.1 R)
• M11: 6,752,399 km (0.113 R)
• M12: 8,428,045 km (0.066 R)
• M13: 9,122,628 km (0.092 R)
• M14: 9,677,037 km (0.079 R)
• M15: 10,180,584 km (0.092 R)
• M16: 12,246,381 km (0.068 R)
• M17: 12,964,301 km (0.055 R)
• M18: 14,161,982 km (0.053 R)
• M19: 17,714,781 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.9

Radius: 11.1

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.18 AU - 3.54 AU

Year: 3225 Days

Day: 5.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,557,685 km

• M1: 138,079 km (0.099 R)
• M2: 634,744 km (0.094 R)
• M3: 2,578,020 km (0.098 R)
• M4: 3,203,489 km (0.083 R)
• M5: 3,785,275 km (0.08 R)
• M6: 6,107,034 km (0.112 R)
• M7: 6,950,018 km (0.092 R)
• M8: 7,385,946 km (0.053 R)
• M9: 8,710,486 km (0.12 R)
• M10: 11,260,681 km (0.119 R)
• M11: 12,486,934 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.2

Radius: 8.3

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.41 AU - 4.31 AU

Year: 5057 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 69.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,557,685 km

• M1: 103,223 km (0.058 R)
• M2: 494,421 km (0.071 R)
• M3: 1,201,121 km (0.08 R)
• M4: 1,476,381 km (0.099 R)
• M5: 2,415,108 km (0.063 R)
• M6: 2,822,313 km (0.111 R)
• M7: 3,485,930 km (0.077 R)
• M8: 3,983,492 km (0.027 R)
• M9: 4,274,460 km (0.07 R)
• M10: 5,205,258 km (0.054 R)
• M11: 6,362,098 km (0.057 R)
• M12: 7,282,574 km (0.059 R)
• M13: 8,095,938 km (0.096 R)
• M14: 8,805,480 km (0.098 R)
• M15: 10,529,745 km (0.112 R)
• M16: 11,135,617 km (0.085 R)
• M17: 11,962,743 km (0.077 R)
• M18: 12,987,489 km (0.107 R)
• M19: 13,521,404 km (0.084 R)
• M20: 13,958,828 km (0.101 R)
• M21: 14,237,080 km (0.104 R)
• M22: 14,977,888 km (0.081 R)
• M23: 15,743,979 km (0.066 R)
• M24: 18,465,015 km (0.047 R)
• M25: 21,484,498 km (0.114 R)
• M26: 21,930,449 km (0.046 R)
• M27: 24,981,049 km (0.12 R)
• M28: 25,557,001 km (0.119 R)
• M29: 25,973,781 km (0.089 R)
• M30: 29,200,457 km (0.065 R)
• M31: 31,051,282 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 8.7

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.23 AU - 4.67 AU

Year: 5235 Days

Day: 5.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 133.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,557,685 km

• M1: 108,907 km (0.073 R)
• M2: 597,195 km (0.072 R)
• M3: 893,997 km (0.102 R)
• M4: 1,250,040 km (0.076 R)
• M5: 2,087,189 km (0.067 R)
• M6: 4,209,983 km (0.059 R)
• M7: 4,896,638 km (0.106 R)
• M8: 6,787,405 km (0.085 R)
• M9: 7,549,307 km (0.104 R)
• M10: 8,917,529 km (0.109 R)
• M11: 10,266,303 km (0.115 R)
• M12: 12,436,370 km (0.065 R)
• M13: 14,669,717 km (0.103 R)
• M14: 16,119,021 km (0.047 R)
• M15: 17,853,010 km (0.074 R)
• M16: 18,175,244 km (0.052 R)
• M17: 19,571,141 km (0.101 R)
• M18: 20,330,351 km (0.085 R)
• M19: 21,108,858 km (0.1 R)
• M20: 25,627,910 km (0.115 R)
• M21: 26,703,818 km (0.091 R)
• M22: 27,125,535 km (0.059 R)
• M23: 28,242,732 km (0.11 R)
• M24: 29,930,345 km (0.064 R)
• M25: 30,202,763 km (0.112 R)
• M26: 30,937,588 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.3

Radius: 8.1

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.88 AU - 6.46 AU

Year: 7839 Days

Day: 5.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 47,557,685 km

• M1: 102,026 km (0.11 R)
• M2: 387,159 km (0.11 R)
• M3: 649,255 km (0.091 R)
• M4: 938,427 km (0.096 R)
• M5: 1,413,849 km (0.1 R)
• M6: 1,912,459 km (0.11 R)
• M7: 2,177,098 km (0.059 R)
• M8: 2,447,720 km (0.074 R)
• M9: 3,866,058 km (0.086 R)
• M10: 4,183,355 km (0.095 R)
• M11: 4,604,323 km (0.09 R)
• M12: 5,697,285 km (0.082 R)
• M13: 6,614,619 km (0.055 R)
• M14: 6,915,760 km (0.08 R)
• M15: 7,384,749 km (0.113 R)
• M16: 8,517,355 km (0.077 R)
• M17: 9,241,109 km (0.06 R)
• M18: 10,707,468 km (0.12 R)
• M19: 11,388,736 km (0.092 R)
• M20: 11,822,121 km (0.084 R)
• M21: 12,098,578 km (0.095 R)
• M22: 13,426,259 km (0.058 R)
• M23: 16,164,499 km (0.044 R)
• M24: 17,916,589 km (0.105 R)
• M25: 23,144,436 km (0.098 R)
• M26: 24,104,406 km (0.025 R)
• M27: 25,547,876 km (0.119 R)
• M28: 27,239,678 km (0.098 R)
• M29: 27,819,818 km (0.062 R)
• M30: 28,309,602 km (0.117 R)
• M31: 31,369,477 km (0.05 R)
• M32: 35,438,389 km (0.089 R)
• M33: 40,844,707 km (0.069 R)
• M34: 41,988,233 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.6

Radius: 3.3

Gravity: 44.13 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.56 AU - 7.02 AU

Year: 11799 Days

Day: 24 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,557,685 km

• M1: 41,139 km (0.031 R)
• M2: 171,439 km (0.114 R)
• M3: 450,439 km (0.092 R)
• M4: 706,102 km (0.107 R)
• M5: 2,668,976 km (0.062 R)
• M6: 3,315,986 km (0.066 R)
• M7: 4,606,118 km (0.078 R)
• M8: 4,787,880 km (0.082 R)
• M9: 4,911,597 km (0.064 R)
• M10: 5,069,423 km (0.108 R)
• M11: 6,760,926 km (0.081 R)
• M12: 9,360,189 km (0.038 R)
• M13: 11,586,205 km (0.04 R)
• M14: 14,014,777 km (0.089 R)
• M15: 15,180,444 km (0.078 R)
• M16: 18,223,564 km (0.074 R)
• M17: 19,768,162 km (0.113 R)
• M18: 27,210,506 km (0.104 R)
• M19: 41,038,436 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 13,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit