🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 11.5

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.6 AU - 0.98 AU

Year: 468 Days

Day: 11.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,031,525 km

• M1: 143,165 km (0.073 R)
• M2: 540,198 km (0.048 R)
• M3: 1,127,220 km (0.06 R)
• M4: 1,693,747 km (0.08 R)
• M5: 2,090,929 km (0.113 R)
• M6: 2,691,415 km (0.058 R)
• M7: 3,226,527 km (0.049 R)
• M8: 3,638,819 km (0.061 R)
• M9: 4,004,735 km (0.078 R)
• M10: 4,659,674 km (0.07 R)
• M11: 5,029,032 km (0.099 R)
• M12: 5,774,927 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.6

Radius: 11.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.91 AU - 1.97 AU

Year: 1802 Days

Day: 7.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 129.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,031,525 km

• M1: 143,016 km (0.112 R)
• M2: 576,401 km (0.115 R)
• M3: 935,585 km (0.088 R)
• M4: 1,418,487 km (0.04 R)
• M5: 1,882,240 km (0.043 R)
• M6: 2,776,387 km (0.08 R)
• M7: 3,511,361 km (0.119 R)
• M8: 4,040,489 km (0.116 R)
• M9: 4,821,539 km (0.093 R)
• M10: 6,119,151 km (0.098 R)
• M11: 6,683,734 km (0.087 R)
• M12: 7,444,738 km (0.111 R)
• M13: 8,291,911 km (0.116 R)
• M14: 8,891,499 km (0.089 R)
• M15: 10,795,431 km (0.102 R)
• M16: 11,510,958 km (0.097 R)
• M17: 12,410,939 km (0.046 R)
• M18: 13,519,608 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.3

Radius: 13

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.92 AU - 2.92 AU

Year: 2510 Days

Day: 14.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,031,525 km

• M1: 161,715 km (0.073 R)
• M2: 808,277 km (0.099 R)
• M3: 1,731,296 km (0.08 R)
• M4: 2,294,083 km (0.074 R)
• M5: 2,773,245 km (0.081 R)
• M6: 3,255,250 km (0.084 R)
• M7: 3,670,533 km (0.026 R)
• M8: 4,548,673 km (0.096 R)
• M9: 5,245,799 km (0.087 R)
• M10: 6,385,884 km (0.113 R)
• M11: 7,684,693 km (0.119 R)
• M12: 8,214,868 km (0.08 R)
• M13: 8,832,557 km (0.098 R)
• M14: 10,056,866 km (0.084 R)
• M15: 10,512,990 km (0.06 R)
• M16: 11,093,281 km (0.047 R)
• M17: 12,081,973 km (0.087 R)
• M18: 13,759,115 km (0.115 R)
• M19: 14,234,387 km (0.11 R)
• M20: 14,676,000 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.6

Radius: 8.1

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.25 AU - 5.09 AU

Year: 6730 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,031,525 km

• M1: 100,679 km (0.101 R)
• M2: 511,176 km (0.064 R)
• M3: 785,838 km (0.098 R)
• M4: 1,883,437 km (0.12 R)
• M5: 2,734,649 km (0.097 R)
• M6: 3,546,367 km (0.1 R)
• M7: 3,974,965 km (0.094 R)
• M8: 4,389,650 km (0.093 R)
• M9: 4,833,058 km (0.053 R)
• M10: 5,553,671 km (0.111 R)
• M11: 6,252,742 km (0.115 R)
• M12: 6,623,595 km (0.039 R)
• M13: 9,563,792 km (0.109 R)
• M14: 9,931,952 km (0.063 R)
• M15: 11,048,700 km (0.098 R)
• M16: 11,591,591 km (0.066 R)
• M17: 12,057,289 km (0.049 R)
• M18: 13,683,418 km (0.103 R)
• M19: 14,362,443 km (0.104 R)
• M20: 15,228,764 km (0.071 R)
• M21: 16,768,874 km (0.099 R)
• M22: 22,222,016 km (0.057 R)
• M23: 24,123,405 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.3

Radius: 10.4

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.76 AU - 6.08 AU

Year: 8415 Days

Day: 5.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,031,525 km

• M1: 129,402 km (0.08 R)
• M2: 795,113 km (0.101 R)
• M3: 1,540,708 km (0.099 R)
• M4: 2,228,859 km (0.112 R)
• M5: 2,605,845 km (0.117 R)
• M6: 3,951,329 km (0.085 R)
• M7: 4,563,483 km (0.113 R)
• M8: 9,324,435 km (0.079 R)
• M9: 10,756,237 km (0.081 R)
• M10: 12,606,014 km (0.055 R)
• M11: 13,635,696 km (0.051 R)
• M12: 23,893,622 km (0.034 R)
• M13: 25,736,518 km (0.048 R)
• M14: 26,371,412 km (0.114 R)
• M15: 28,821,227 km (0.051 R)
• M16: 30,101,336 km (0.111 R)
• M17: 32,144,244 km (0.115 R)
• M18: 35,602,498 km (0.109 R)
• M19: 36,164,388 km (0.083 R)
• M20: 39,062,846 km (0.11 R)
• M21: 40,874,327 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358

Radius: 4.2

Gravity: 20.29 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.79 AU - 8.71 AU

Year: 13018 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,031,525 km

• M1: 52,210 km (0.097 R)
• M2: 2,635,466 km (0.085 R)
• M3: 3,338,576 km (0.094 R)
• M4: 3,889,395 km (0.058 R)
• M5: 4,049,614 km (0.048 R)
• M6: 4,645,463 km (0.107 R)
• M7: 5,137,191 km (0.051 R)
• M8: 5,362,934 km (0.025 R)
• M9: 6,480,131 km (0.073 R)
• M10: 7,660,458 km (0.079 R)
• M11: 8,170,288 km (0.113 R)
• M12: 12,563,080 km (0.093 R)
• M13: 13,573,763 km (0.063 R)
• M14: 17,142,570 km (0.064 R)
• M15: 17,792,273 km (0.107 R)
• M16: 18,684,176 km (0.089 R)
• M17: 19,918,956 km (0.12 R)
• M18: 20,156,518 km (0.087 R)
• M19: 23,242,273 km (0.078 R)
• M20: 26,820,654 km (0.062 R)
• M21: 30,121,382 km (0.067 R)
• M22: 31,922,989 km (0.087 R)
• M23: 32,685,190 km (0.039 R)
• M24: 35,506,606 km (0.095 R)
• M25: 37,275,152 km (0.056 R)
• M26: 45,618,973 km (0.058 R)
• M27: 46,031,564 km (0.109 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: 440 - 13,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit