🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.1

Radius: 12

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.61 AU - 0.75 AU

Year: 368 Days

Day: 10 Hours

Environment

Temp: -126 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,113,616 km

• M1: 149,299 km (0.046 R)
• M2: 687,552 km (0.105 R)
• M3: 1,799,812 km (0.067 R)
• M4: 2,648,182 km (0.05 R)
• M5: 3,254,502 km (0.114 R)
• M6: 3,848,256 km (0.107 R)
• M7: 4,301,687 km (0.101 R)
• M8: 4,805,832 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17

Radius: 10.9

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.89 AU - 0.95 AU

Year: 579 Days

Day: 10.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 94.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 75,113,616 km

• M1: 135,536 km (0.067 R)
• M2: 599,588 km (0.098 R)
• M3: 1,234,332 km (0.108 R)
• M4: 1,576,313 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.8

Radius: 8.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.77 AU - 1.19 AU

Year: 636 Days

Day: 14.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,113,616 km

• M1: 110,254 km (0.061 R)
• M2: 431,141 km (0.114 R)
• M3: 825,481 km (0.099 R)
• M4: 1,534,874 km (0.106 R)
• M5: 1,844,991 km (0.094 R)
• M6: 2,394,464 km (0.052 R)
• M7: 2,877,665 km (0.113 R)
• M8: 3,193,466 km (0.116 R)
• M9: 3,629,992 km (0.091 R)
• M10: 3,908,095 km (0.077 R)
• M11: 4,905,015 km (0.094 R)
• M12: 5,261,806 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.8

Radius: 11

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.28 AU - 1.92 AU

Year: 1328 Days

Day: 9 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,113,616 km

• M1: 136,882 km (0.104 R)
• M2: 620,532 km (0.099 R)
• M3: 1,103,883 km (0.118 R)
• M4: 1,576,911 km (0.078 R)
• M5: 2,302,012 km (0.117 R)
• M6: 2,861,807 km (0.106 R)
• M7: 3,525,423 km (0.083 R)
• M8: 4,071,904 km (0.053 R)
• M9: 4,949,894 km (0.084 R)
• M10: 5,616,054 km (0.078 R)
• M11: 6,497,784 km (0.053 R)
• M12: 6,983,827 km (0.113 R)
• M13: 7,745,879 km (0.106 R)
• M14: 8,213,222 km (0.076 R)
• M15: 9,290,477 km (0.044 R)
• M16: 9,878,396 km (0.098 R)
• M17: 10,335,418 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.9

Radius: 12.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.43 AU - 2.37 AU

Year: 1718 Days

Day: 6.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,113,616 km

• M1: 156,629 km (0.071 R)
• M2: 764,445 km (0.082 R)
• M3: 1,292,675 km (0.105 R)
• M4: 1,712,896 km (0.1 R)
• M5: 2,565,603 km (0.086 R)
• M6: 2,984,777 km (0.06 R)
• M7: 4,647,707 km (0.113 R)
• M8: 7,125,646 km (0.065 R)
• M9: 7,848,054 km (0.1 R)
• M10: 8,618,483 km (0.111 R)
• M11: 9,149,256 km (0.114 R)
• M12: 10,837,618 km (0.083 R)
• M13: 11,345,503 km (0.113 R)
• M14: 11,793,548 km (0.114 R)
• M15: 13,663,372 km (0.119 R)
• M16: 14,955,598 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.8

Radius: 5.5

Gravity: 29.48 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.3 AU - 8.4 AU

Year: 13072 Days

Day: 24.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,113,616 km

• M1: 69,563 km (0.071 R)
• M2: 258,954 km (0.082 R)
• M3: 432,936 km (0.094 R)
• M4: 630,854 km (0.09 R)
• M5: 838,795 km (0.098 R)
• M6: 1,485,058 km (0.063 R)
• M7: 1,930,411 km (0.069 R)
• M8: 2,376,512 km (0.087 R)
• M9: 2,725,374 km (0.109 R)
• M10: 3,058,080 km (0.068 R)
• M11: 4,251,422 km (0.092 R)
• M12: 5,107,571 km (0.034 R)
• M13: 5,465,708 km (0.069 R)
• M14: 5,878,748 km (0.074 R)
• M15: 6,352,823 km (0.038 R)
• M16: 6,599,360 km (0.089 R)
• M17: 7,111,284 km (0.12 R)
• M18: 7,377,120 km (0.035 R)
• M19: 10,130,917 km (0.111 R)
• M20: 11,643,801 km (0.115 R)
• M21: 12,840,284 km (0.102 R)
• M22: 14,965,023 km (0.117 R)
• M23: 18,532,783 km (0.117 R)
• M24: 20,601,721 km (0.116 R)
• M25: 27,398,252 km (0.117 R)
• M26: 27,832,534 km (0.102 R)
• M27: 33,040,335 km (0.044 R)
• M28: 33,408,944 km (0.091 R)
• M29: 34,279,754 km (0.069 R)
• M30: 36,326,851 km (0.092 R)
• M31: 36,588,348 km (0.118 R)
• M32: 38,049,022 km (0.029 R)
• M33: 40,662,646 km (0.099 R)
• M34: 42,954,485 km (0.091 R)
• M35: 51,818,159 km (0.082 R)
• M36: 57,823,167 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.4

Radius: 4.9

Gravity: 33.59 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.22 AU - 9.66 AU

Year: 14677 Days

Day: 22.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,113,616 km

• M1: 70,161 km (0.064 R)
• M2: 1,105,977 km (0.075 R)
• M3: 3,449,876 km (0.078 R)
• M4: 4,933,887 km (0.071 R)
• M5: 5,854,513 km (0.038 R)
• M6: 11,590,993 km (0.038 R)
• M7: 11,964,838 km (0.061 R)
• M8: 15,399,904 km (0.093 R)
• M9: 20,867,706 km (0.112 R)
• M10: 24,946,941 km (0.037 R)
• M11: 26,846,983 km (0.118 R)
• M12: 27,391,370 km (0.079 R)
• M13: 28,054,388 km (0.05 R)
• M14: 30,932,202 km (0.036 R)
• M15: 33,874,343 km (0.081 R)
• M16: 35,153,405 km (0.086 R)
• M17: 49,110,288 km (0.101 R)
• M18: 53,098,867 km (0.116 R)
• M19: 55,874,655 km (0.114 R)
• M20: 56,405,578 km (0.103 R)
• M21: 62,851,301 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.8

Radius: 7.1

Gravity: 18.33 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.27 AU - 9.17 AU

Year: 16892 Days

Day: 24.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,113,616 km

• M1: 90,507 km (0.1 R)
• M2: 431,440 km (0.073 R)
• M3: 1,648,569 km (0.118 R)
• M4: 2,154,808 km (0.111 R)
• M5: 3,388,392 km (0.072 R)
• M6: 4,172,733 km (0.092 R)
• M7: 4,403,114 km (0.105 R)
• M8: 5,528,539 km (0.114 R)
• M9: 6,699,591 km (0.103 R)
• M10: 9,298,704 km (0.089 R)
• M11: 15,031,594 km (0.118 R)
• M12: 15,812,495 km (0.098 R)
• M13: 16,132,186 km (0.086 R)
• M14: 19,027,353 km (0.061 R)
• M15: 24,734,811 km (0.107 R)
• M16: 26,489,445 km (0.076 R)
• M17: 35,011,437 km (0.104 R)
• M18: 36,658,958 km (0.115 R)
• M19: 39,959,835 km (0.087 R)
• M20: 40,553,440 km (0.104 R)
• M21: 44,081,406 km (0.1 R)
• M22: 55,882,883 km (0.075 R)
• M23: 60,240,968 km (0.112 R)
• M24: 67,928,504 km (0.079 R)
• M25: 73,993,800 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 12,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit