🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.8

Radius: 14.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.54 AU - 0.54 AU

Year: 274 Days

Day: 8.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,251,199 km

• M1: 185,352 km (0.107 R)
• M2: 699,520 km (0.067 R)
• M3: 1,280,558 km (0.066 R)
• M4: 1,771,538 km (0.12 R)
• M5: 3,309,703 km (0.112 R)
• M6: 3,857,979 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.7

Radius: 13.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.44 AU - 0.66 AU

Year: 282 Days

Day: 12.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,251,199 km

• M1: 173,534 km (0.058 R)
• M2: 611,107 km (0.093 R)
• M3: 1,102,237 km (0.115 R)
• M4: 1,884,036 km (0.072 R)
• M5: 2,324,751 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 12.8

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.2 AU - 3.74 AU

Year: 4462 Days

Day: 8 Hours

Environment

Temp: -210 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,251,199 km

• M1: 159,172 km (0.079 R)
• M2: 583,731 km (0.119 R)
• M3: 1,091,915 km (0.111 R)
• M4: 1,652,608 km (0.091 R)
• M5: 2,291,391 km (0.094 R)
• M6: 2,883,798 km (0.054 R)
• M7: 3,327,356 km (0.099 R)
• M8: 4,044,378 km (0.09 R)
• M9: 4,628,708 km (0.064 R)
• M10: 6,339,210 km (0.075 R)
• M11: 7,337,776 km (0.091 R)
• M12: 8,828,967 km (0.094 R)
• M13: 9,562,445 km (0.06 R)
• M14: 11,862,662 km (0.096 R)
• M15: 13,534,568 km (0.093 R)
• M16: 14,344,491 km (0.112 R)
• M17: 16,299,735 km (0.089 R)
• M18: 18,754,786 km (0.105 R)
• M19: 21,016,855 km (0.053 R)
• M20: 22,398,840 km (0.095 R)
• M21: 24,941,855 km (0.079 R)
• M22: 27,500,726 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.9

Radius: 8.8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.64 AU - 4.58 AU

Year: 5751 Days

Day: 6.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,251,199 km

• M1: 109,506 km (0.063 R)
• M2: 413,788 km (0.102 R)
• M3: 878,439 km (0.064 R)
• M4: 1,209,050 km (0.055 R)
• M5: 1,634,357 km (0.088 R)
• M6: 2,286,155 km (0.093 R)
• M7: 3,029,806 km (0.098 R)
• M8: 3,556,091 km (0.075 R)
• M9: 6,088,185 km (0.119 R)
• M10: 6,710,362 km (0.076 R)
• M11: 7,084,506 km (0.096 R)
• M12: 7,806,615 km (0.048 R)
• M13: 8,869,359 km (0.087 R)
• M14: 10,187,166 km (0.062 R)
• M15: 11,366,596 km (0.086 R)
• M16: 12,034,700 km (0.073 R)
• M17: 12,494,564 km (0.105 R)
• M18: 13,498,216 km (0.108 R)
• M19: 14,145,975 km (0.115 R)
• M20: 14,658,198 km (0.101 R)
• M21: 17,582,088 km (0.114 R)
• M22: 18,718,733 km (0.109 R)
• M23: 22,147,366 km (0.037 R)
• M24: 22,838,060 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.1

Radius: 5.8

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.59 AU - 8.01 AU

Year: 13614 Days

Day: 16.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,251,199 km

• M1: 72,256 km (0.068 R)
• M2: 281,394 km (0.092 R)
• M3: 536,608 km (0.118 R)
• M4: 731,384 km (0.09 R)
• M5: 1,070,223 km (0.094 R)
• M6: 1,730,847 km (0.048 R)
• M7: 2,934,063 km (0.119 R)
• M8: 3,478,150 km (0.079 R)
• M9: 4,921,770 km (0.11 R)
• M10: 10,850,483 km (0.075 R)
• M11: 13,218,767 km (0.092 R)
• M12: 17,200,015 km (0.075 R)
• M13: 20,892,539 km (0.088 R)
• M14: 23,871,033 km (0.086 R)
• M15: 24,517,595 km (0.081 R)
• M16: 25,175,676 km (0.063 R)
• M17: 28,027,909 km (0.103 R)
• M18: 28,334,734 km (0.026 R)
• M19: 36,631,731 km (0.115 R)
• M20: 37,863,969 km (0.11 R)
• M21: 43,341,794 km (0.084 R)
• M22: 47,273,077 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.5

Radius: 7.3

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.94 AU - 9.3 AU

Year: 14519 Days

Day: 22.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,251,199 km

• M1: 90,806 km (0.081 R)
• M2: 390,750 km (0.112 R)
• M3: 818,151 km (0.093 R)
• M4: 1,253,331 km (0.064 R)
• M5: 2,564,108 km (0.056 R)
• M6: 3,078,425 km (0.088 R)
• M7: 4,077,589 km (0.083 R)
• M8: 4,418,373 km (0.06 R)
• M9: 6,805,207 km (0.074 R)
• M10: 7,670,032 km (0.117 R)
• M11: 8,905,860 km (0.108 R)
• M12: 16,855,192 km (0.097 R)
• M13: 18,928,319 km (0.101 R)
• M14: 20,250,765 km (0.076 R)
• M15: 21,088,513 km (0.113 R)
• M16: 21,476,869 km (0.081 R)
• M17: 22,996,185 km (0.114 R)
• M18: 26,426,763 km (0.106 R)
• M19: 27,611,279 km (0.104 R)
• M20: 30,183,764 km (0.063 R)
• M21: 37,930,540 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383

Radius: 3.3

Gravity: 35.17 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.25 AU - 11.39 AU

Year: 21241 Days

Day: 15.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,251,199 km

• M1: 41,139 km (0.074 R)
• M2: 165,306 km (0.117 R)
• M3: 333,902 km (0.116 R)
• M4: 453,880 km (0.099 R)
• M5: 619,485 km (0.026 R)
• M6: 865,872 km (0.102 R)
• M7: 1,059,901 km (0.05 R)
• M8: 1,282,203 km (0.1 R)
• M9: 2,672,566 km (0.053 R)
• M10: 3,791,408 km (0.089 R)
• M11: 4,906,960 km (0.061 R)
• M12: 5,117,893 km (0.105 R)
• M13: 7,343,311 km (0.09 R)
• M14: 7,572,943 km (0.111 R)
• M15: 8,640,474 km (0.117 R)
• M16: 9,157,334 km (0.119 R)
• M17: 15,283,517 km (0.045 R)
• M18: 15,733,358 km (0.064 R)
• M19: 16,659,219 km (0.077 R)
• M20: 19,829,946 km (0.032 R)
• M21: 20,635,829 km (0.08 R)
• M22: 21,185,003 km (0.06 R)
• M23: 28,893,333 km (0.111 R)
• M24: 30,513,029 km (0.095 R)
• M25: 32,192,265 km (0.12 R)
• M26: 36,127,587 km (0.118 R)
• M27: 37,327,362 km (0.077 R)
• M28: 38,005,339 km (0.117 R)
• M29: 41,953,975 km (0.1 R)
• M30: 47,737,877 km (0.12 R)
• M31: 53,515,048 km (0.095 R)
• M32: 54,723,799 km (0.11 R)
• M33: 55,774,275 km (0.08 R)
• M34: 58,823,379 km (0.114 R)
• M35: 62,740,898 km (0.094 R)
• M36: 62,931,635 km (0.095 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: 386 - 17,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit