🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.9

Radius: 14.5

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.74 AU - 1 AU

Year: 560 Days

Day: 7 Hours

Environment

Temp: -165 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,487,003 km

• M1: 180,265 km (0.093 R)
• M2: 674,238 km (0.111 R)
• M3: 1,181,823 km (0.094 R)
• M4: 2,084,646 km (0.059 R)
• M5: 3,056,883 km (0.038 R)
• M6: 3,606,655 km (0.078 R)
• M7: 4,708,443 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.6

Radius: 10.6

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.95 AU - 1.09 AU

Year: 711 Days

Day: 13.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,487,003 km

• M1: 131,796 km (0.096 R)
• M2: 506,688 km (0.12 R)
• M3: 926,460 km (0.101 R)
• M4: 1,269,787 km (0.076 R)
• M5: 1,619,247 km (0.078 R)
• M6: 2,497,387 km (0.088 R)
• M7: 2,944,984 km (0.082 R)
• M8: 3,365,055 km (0.038 R)
• M9: 3,810,407 km (0.086 R)
• M10: 4,634,841 km (0.092 R)
• M11: 5,314,464 km (0.103 R)
• M12: 5,940,382 km (0.071 R)
• M13: 6,301,960 km (0.069 R)
• M14: 8,067,215 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.4

Radius: 14.2

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.55 AU - 2.57 AU

Year: 2041 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,487,003 km

• M1: 176,675 km (0.042 R)
• M2: 754,721 km (0.1 R)
• M3: 1,555,818 km (0.101 R)
• M4: 2,104,842 km (0.104 R)
• M5: 2,755,443 km (0.042 R)
• M6: 3,790,062 km (0.113 R)
• M7: 5,937,988 km (0.104 R)
• M8: 9,336,254 km (0.113 R)
• M9: 13,406,512 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.6

Radius: 9.7

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.29 AU - 2.45 AU

Year: 2518 Days

Day: 13.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,487,003 km

• M1: 120,725 km (0.11 R)
• M2: 542,891 km (0.106 R)
• M3: 982,858 km (0.094 R)
• M4: 1,432,400 km (0.099 R)
• M5: 1,935,198 km (0.06 R)
• M6: 2,751,254 km (0.034 R)
• M7: 3,085,456 km (0.082 R)
• M8: 4,061,133 km (0.115 R)
• M9: 5,139,884 km (0.111 R)
• M10: 5,507,595 km (0.086 R)
• M11: 6,321,856 km (0.045 R)
• M12: 7,705,487 km (0.117 R)
• M13: 8,035,201 km (0.035 R)
• M14: 8,819,842 km (0.116 R)
• M15: 9,586,082 km (0.104 R)
• M16: 10,762,071 km (0.107 R)
• M17: 12,191,927 km (0.108 R)
• M18: 12,764,738 km (0.035 R)
• M19: 13,398,284 km (0.033 R)
• M20: 13,788,286 km (0.057 R)
• M21: 14,773,837 km (0.075 R)
• M22: 15,567,005 km (0.107 R)
• M23: 16,486,733 km (0.119 R)

Asteroid Belt

Center: 2.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.3

Radius: 11.7

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.96 AU - 3.38 AU

Year: 3896 Days

Day: 6.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,487,003 km

• M1: 145,708 km (0.074 R)
• M2: 809,474 km (0.087 R)
• M3: 1,351,467 km (0.03 R)
• M4: 1,742,516 km (0.116 R)
• M5: 3,709,130 km (0.069 R)
• M6: 4,468,937 km (0.116 R)
• M7: 5,178,929 km (0.084 R)
• M8: 6,156,700 km (0.108 R)
• M9: 7,222,136 km (0.116 R)
• M10: 8,337,538 km (0.063 R)
• M11: 9,489,143 km (0.074 R)
• M12: 10,460,332 km (0.12 R)
• M13: 15,326,451 km (0.076 R)
• M14: 16,772,165 km (0.105 R)
• M15: 20,370,144 km (0.096 R)
• M16: 21,392,944 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260

Radius: 10.9

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.49 AU - 4.49 AU

Year: 5501 Days

Day: 6 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,487,003 km

• M1: 135,536 km (0.117 R)
• M2: 666,159 km (0.04 R)
• M3: 1,225,356 km (0.098 R)
• M4: 1,640,490 km (0.118 R)
• M5: 2,108,881 km (0.082 R)
• M6: 2,811,243 km (0.063 R)
• M7: 3,603,962 km (0.107 R)
• M8: 4,470,882 km (0.092 R)
• M9: 5,342,140 km (0.058 R)
• M10: 7,679,607 km (0.112 R)
• M11: 8,532,315 km (0.104 R)
• M12: 8,890,601 km (0.05 R)
• M13: 9,675,841 km (0.102 R)
• M14: 10,835,374 km (0.109 R)
• M15: 12,040,833 km (0.055 R)
• M16: 13,002,000 km (0.111 R)
• M17: 13,767,941 km (0.085 R)
• M18: 15,707,926 km (0.099 R)
• M19: 17,592,410 km (0.057 R)
• M20: 17,939,926 km (0.115 R)
• M21: 18,768,848 km (0.082 R)
• M22: 20,122,709 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.6

Radius: 5

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.23 AU - 6.97 AU

Year: 10399 Days

Day: 24.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,487,003 km

• M1: 65,225 km (0.056 R)
• M2: 306,975 km (0.044 R)
• M3: 545,883 km (0.032 R)
• M4: 970,441 km (0.115 R)
• M5: 1,269,039 km (0.115 R)
• M6: 1,764,357 km (0.058 R)
• M7: 3,483,237 km (0.028 R)
• M8: 4,539,248 km (0.101 R)
• M9: 7,498,892 km (0.081 R)
• M10: 10,174,151 km (0.109 R)
• M11: 10,515,384 km (0.082 R)
• M12: 11,356,573 km (0.091 R)
• M13: 14,148,368 km (0.075 R)
• M14: 15,062,112 km (0.04 R)
• M15: 15,786,914 km (0.111 R)
• M16: 17,608,717 km (0.108 R)
• M17: 19,176,353 km (0.025 R)
• M18: 21,663,567 km (0.057 R)
• M19: 22,586,137 km (0.111 R)
• M20: 24,585,512 km (0.104 R)
• M21: 25,277,403 km (0.076 R)
• M22: 25,982,158 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.7

Radius: 5.1

Gravity: 14.83 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.9 AU - 7.66 AU

Year: 13558 Days

Day: 23.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,487,003 km

• M1: 65,374 km (0.109 R)
• M2: 336,595 km (0.109 R)
• M3: 544,686 km (0.044 R)
• M4: 2,437,548 km (0.05 R)
• M5: 3,209,323 km (0.106 R)
• M6: 3,651,086 km (0.103 R)
• M7: 4,654,887 km (0.036 R)
• M8: 5,587,780 km (0.067 R)
• M9: 7,313,391 km (0.05 R)
• M10: 11,829,003 km (0.117 R)
• M11: 12,113,987 km (0.12 R)
• M12: 12,403,758 km (0.074 R)
• M13: 13,239,412 km (0.113 R)
• M14: 15,222,331 km (0.085 R)
• M15: 15,833,139 km (0.071 R)
• M16: 16,672,683 km (0.089 R)
• M17: 19,134,166 km (0.102 R)
• M18: 22,778,819 km (0.107 R)
• M19: 24,394,326 km (0.115 R)
• M20: 29,176,222 km (0.092 R)
• M21: 29,487,835 km (0.111 R)
• M22: 30,863,537 km (0.106 R)
• M23: 37,770,321 km (0.09 R)
• M24: 38,016,708 km (0.107 R)
• M25: 38,637,540 km (0.069 R)
• M26: 39,013,330 km (0.069 R)
• M27: 47,477,278 km (0.096 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 11,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit