🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.3

Radius: 8.4

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.86 AU - 1.06 AU

Year: 617 Days

Day: 11.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,274,582 km

• M1: 106,214 km (0.107 R)
• M2: 372,499 km (0.112 R)
• M3: 677,379 km (0.069 R)
• M4: 939,325 km (0.057 R)
• M5: 1,229,246 km (0.053 R)
• M6: 1,786,797 km (0.105 R)
• M7: 2,089,284 km (0.115 R)
• M8: 2,474,199 km (0.091 R)
• M9: 2,767,112 km (0.084 R)
• M10: 3,060,772 km (0.113 R)
• M11: 3,775,701 km (0.089 R)
• M12: 5,500,115 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.5

Radius: 14.3

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.78 AU - 2.7 AU

Year: 2199 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,274,582 km

• M1: 177,872 km (0.1 R)
• M2: 635,342 km (0.106 R)
• M3: 1,165,218 km (0.092 R)
• M4: 1,626,278 km (0.113 R)
• M5: 2,151,367 km (0.091 R)
• M6: 2,760,978 km (0.092 R)
• M7: 3,450,774 km (0.042 R)
• M8: 3,910,937 km (0.108 R)
• M9: 5,088,721 km (0.097 R)
• M10: 5,809,035 km (0.103 R)
• M11: 7,776,397 km (0.108 R)
• M12: 9,092,559 km (0.096 R)
• M13: 9,769,339 km (0.111 R)
• M14: 14,244,410 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.3

Radius: 8.3

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.12 AU - 3.53 AU

Year: 3107 Days

Day: 9.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,274,582 km

• M1: 103,522 km (0.111 R)
• M2: 393,293 km (0.1 R)
• M3: 654,939 km (0.03 R)
• M4: 944,711 km (0.086 R)
• M5: 1,358,049 km (0.118 R)
• M6: 1,888,374 km (0.032 R)
• M7: 3,187,931 km (0.053 R)
• M8: 3,446,286 km (0.085 R)
• M9: 4,369,155 km (0.074 R)
• M10: 6,502,122 km (0.12 R)
• M11: 9,849,673 km (0.12 R)
• M12: 10,215,141 km (0.069 R)
• M13: 12,601,077 km (0.074 R)
• M14: 13,428,204 km (0.086 R)
• M15: 14,060,554 km (0.062 R)
• M16: 17,364,274 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.6

Radius: 14.4

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.28 AU - 3.54 AU

Year: 3256 Days

Day: 11 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,274,582 km

• M1: 179,069 km (0.096 R)
• M2: 846,874 km (0.099 R)
• M3: 1,422,825 km (0.118 R)
• M4: 2,573,831 km (0.088 R)
• M5: 3,341,867 km (0.074 R)
• M6: 4,745,095 km (0.119 R)
• M7: 6,330,533 km (0.081 R)
• M8: 9,105,274 km (0.105 R)
• M9: 10,414,705 km (0.091 R)
• M10: 11,534,445 km (0.099 R)
• M11: 12,982,402 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.5

Radius: 9.5

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.52 AU - 5.14 AU

Year: 5911 Days

Day: 13.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,274,582 km

• M1: 119,529 km (0.117 R)
• M2: 425,008 km (0.104 R)
• M3: 765,044 km (0.045 R)
• M4: 1,456,036 km (0.114 R)
• M5: 2,395,212 km (0.118 R)
• M6: 2,721,784 km (0.08 R)
• M7: 4,498,258 km (0.111 R)
• M8: 5,819,208 km (0.11 R)
• M9: 6,726,668 km (0.074 R)
• M10: 7,195,957 km (0.106 R)
• M11: 8,568,667 km (0.08 R)
• M12: 9,695,887 km (0.065 R)
• M13: 10,968,217 km (0.067 R)
• M14: 11,876,126 km (0.069 R)
• M15: 12,295,449 km (0.043 R)
• M16: 13,841,244 km (0.118 R)
• M17: 14,541,811 km (0.104 R)
• M18: 15,204,679 km (0.067 R)
• M19: 17,650,155 km (0.106 R)
• M20: 19,108,435 km (0.052 R)
• M21: 19,467,321 km (0.04 R)
• M22: 19,977,000 km (0.117 R)
• M23: 20,645,553 km (0.083 R)
• M24: 21,637,387 km (0.097 R)
• M25: 24,130,436 km (0.111 R)
• M26: 24,973,869 km (0.092 R)
• M27: 26,011,779 km (0.111 R)
• M28: 27,349,333 km (0.097 R)
• M29: 27,805,307 km (0.063 R)
• M30: 29,393,139 km (0.081 R)
• M31: 31,337,762 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.7

Radius: 14.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.59 AU - 5.77 AU

Year: 7734 Days

Day: 8.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,274,582 km

• M1: 179,069 km (0.109 R)
• M2: 709,094 km (0.111 R)
• M3: 2,395,660 km (0.117 R)
• M4: 3,514,204 km (0.12 R)
• M5: 13,416,984 km (0.093 R)
• M6: 14,984,620 km (0.065 R)
• M7: 15,554,887 km (0.076 R)
• M8: 16,073,842 km (0.095 R)
• M9: 17,009,876 km (0.117 R)
• M10: 17,560,995 km (0.071 R)
• M11: 19,434,708 km (0.117 R)
• M12: 20,574,494 km (0.092 R)
• M13: 21,200,412 km (0.07 R)
• M14: 23,831,988 km (0.064 R)
• M15: 30,536,965 km (0.111 R)
• M16: 32,812,797 km (0.054 R)
• M17: 34,318,799 km (0.052 R)
• M18: 36,549,453 km (0.066 R)
• M19: 38,167,354 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.5

Radius: 6.2

Gravity: 20.49 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.5 AU - 7.28 AU

Year: 11864 Days

Day: 19.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,274,582 km

• M1: 111,600 km (0.067 R)
• M2: 474,824 km (0.113 R)
• M3: 760,855 km (0.108 R)
• M4: 1,490,743 km (0.033 R)
• M5: 1,800,410 km (0.101 R)
• M6: 2,285,855 km (0.092 R)
• M7: 2,993,453 km (0.107 R)
• M8: 3,385,101 km (0.106 R)
• M9: 3,593,490 km (0.11 R)
• M10: 4,007,278 km (0.105 R)
• M11: 5,440,875 km (0.071 R)
• M12: 5,911,659 km (0.058 R)
• M13: 6,488,359 km (0.047 R)
• M14: 6,769,902 km (0.076 R)
• M15: 8,255,558 km (0.053 R)
• M16: 8,634,490 km (0.12 R)
• M17: 9,024,940 km (0.118 R)
• M18: 9,325,333 km (0.103 R)
• M19: 9,788,488 km (0.051 R)
• M20: 13,341,288 km (0.082 R)
• M21: 13,797,262 km (0.039 R)
• M22: 18,618,801 km (0.095 R)
• M23: 23,127,831 km (0.103 R)
• M24: 24,262,680 km (0.106 R)
• M25: 24,844,018 km (0.103 R)
• M26: 25,434,331 km (0.057 R)
• M27: 25,933,539 km (0.043 R)
• M28: 28,958,258 km (0.076 R)
• M29: 30,949,406 km (0.112 R)
• M30: 36,197,299 km (0.119 R)
• M31: 36,575,183 km (0.094 R)
• M32: 38,113,648 km (0.106 R)
• M33: 41,593,743 km (0.1 R)
• M34: 44,843,907 km (0.074 R)
• M35: 45,865,660 km (0.045 R)
• M36: 47,202,167 km (0.112 R)
• M37: 50,264,585 km (0.114 R)
• M38: 50,735,071 km (0.12 R)
• M39: 55,435,885 km (0.098 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 17,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit