🌌 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: 232.2

Radius: 13.8

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.65 AU - 0.93 AU

Year: 461 Days

Day: 6.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,162,299 km

• M1: 171,589 km (0.061 R)
• M2: 702,661 km (0.107 R)
• M3: 1,144,723 km (0.089 R)
• M4: 1,788,742 km (0.043 R)
• M5: 2,266,857 km (0.117 R)
• M6: 3,157,263 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.1

Radius: 14.2

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.85 AU - 1.21 AU

Year: 686 Days

Day: 13.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,162,299 km

• M1: 178,620 km (0.074 R)
• M2: 621,280 km (0.115 R)
• M3: 1,351,018 km (0.092 R)
• M4: 1,939,536 km (0.113 R)
• M5: 2,435,603 km (0.09 R)
• M6: 3,690,579 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.9

Radius: 8.2

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.11 AU - 4.35 AU

Year: 4726 Days

Day: 5.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 104.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,162,299 km

• M1: 110,104 km (0.063 R)
• M2: 546,331 km (0.051 R)
• M3: 818,450 km (0.114 R)
• M4: 1,272,629 km (0.096 R)
• M5: 1,539,063 km (0.044 R)
• M6: 2,298,870 km (0.111 R)
• M7: 2,798,976 km (0.083 R)
• M8: 3,587,806 km (0.05 R)
• M9: 3,887,450 km (0.093 R)
• M10: 4,720,860 km (0.114 R)
• M11: 5,810,232 km (0.114 R)
• M12: 7,587,754 km (0.071 R)
• M13: 12,534,656 km (0.112 R)
• M14: 13,103,277 km (0.109 R)
• M15: 15,003,170 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904

Radius: 9.1

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.77 AU - 3.95 AU

Year: 4975 Days

Day: 8.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,162,299 km

• M1: 113,395 km (0.098 R)
• M2: 540,048 km (0.063 R)
• M3: 827,575 km (0.05 R)
• M4: 1,349,971 km (0.054 R)
• M5: 3,751,316 km (0.07 R)
• M6: 5,556,663 km (0.104 R)
• M7: 5,921,533 km (0.091 R)
• M8: 6,665,632 km (0.057 R)
• M9: 7,991,518 km (0.074 R)
• M10: 9,442,618 km (0.077 R)
• M11: 10,502,818 km (0.073 R)
• M12: 12,392,089 km (0.051 R)
• M13: 12,858,236 km (0.099 R)
• M14: 14,214,939 km (0.08 R)
• M15: 16,456,364 km (0.111 R)
• M16: 17,019,899 km (0.101 R)
• M17: 20,964,795 km (0.056 R)
• M18: 22,001,060 km (0.096 R)
• M19: 22,916,150 km (0.079 R)
• M20: 23,540,123 km (0.103 R)
• M21: 25,563,284 km (0.028 R)
• M22: 27,003,463 km (0.028 R)
• M23: 27,963,732 km (0.119 R)
• M24: 32,033,542 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 11.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.41 AU - 4.55 AU

Year: 5209 Days

Day: 10.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,162,299 km

• M1: 158,424 km (0.063 R)
• M2: 557,850 km (0.07 R)
• M3: 967,749 km (0.101 R)
• M4: 1,820,307 km (0.092 R)
• M5: 3,236,849 km (0.056 R)
• M6: 3,749,820 km (0.082 R)
• M7: 4,810,619 km (0.09 R)
• M8: 5,397,342 km (0.094 R)
• M9: 6,714,551 km (0.088 R)
• M10: 8,497,009 km (0.119 R)
• M11: 9,155,988 km (0.078 R)
• M12: 9,724,011 km (0.104 R)
• M13: 12,042,180 km (0.117 R)
• M14: 13,024,739 km (0.106 R)
• M15: 13,587,526 km (0.083 R)
• M16: 16,002,634 km (0.086 R)
• M17: 16,648,597 km (0.106 R)
• M18: 17,068,519 km (0.082 R)
• M19: 17,680,972 km (0.106 R)
• M20: 21,104,071 km (0.114 R)
• M21: 22,823,848 km (0.094 R)
• M22: 23,567,200 km (0.086 R)
• M23: 27,031,737 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574

Radius: 3.1

Gravity: 59.73 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.63 AU - 6.85 AU

Year: 11479 Days

Day: 17 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,162,299 km

• M1: 39,195 km (0.043 R)
• M2: 189,541 km (0.107 R)
• M3: 308,471 km (0.07 R)
• M4: 664,663 km (0.074 R)
• M5: 766,539 km (0.113 R)
• M6: 1,023,848 km (0.08 R)
• M7: 1,571,077 km (0.101 R)
• M8: 1,706,762 km (0.099 R)
• M9: 2,367,536 km (0.103 R)
• M10: 2,485,569 km (0.1 R)
• M11: 3,706,138 km (0.108 R)
• M12: 4,113,343 km (0.082 R)
• M13: 4,430,341 km (0.077 R)
• M14: 5,479,022 km (0.113 R)
• M15: 6,042,707 km (0.077 R)
• M16: 6,414,009 km (0.09 R)
• M17: 6,800,270 km (0.112 R)
• M18: 7,619,020 km (0.085 R)
• M19: 8,229,828 km (0.096 R)
• M20: 10,205,567 km (0.039 R)
• M21: 10,784,810 km (0.077 R)
• M22: 11,274,892 km (0.069 R)
• M23: 13,508,389 km (0.081 R)
• M24: 14,077,459 km (0.077 R)
• M25: 15,195,553 km (0.078 R)
• M26: 18,209,352 km (0.084 R)
• M27: 18,903,187 km (0.104 R)
• M28: 19,534,640 km (0.092 R)
• M29: 22,992,594 km (0.105 R)
• M30: 24,538,539 km (0.106 R)
• M31: 25,958,821 km (0.118 R)
• M32: 26,935,695 km (0.092 R)
• M33: 28,139,808 km (0.092 R)
• M34: 28,549,108 km (0.069 R)
• M35: 33,773,814 km (0.101 R)
• M36: 37,589,457 km (0.069 R)
• M37: 38,335,502 km (0.064 R)
• M38: 44,110,279 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.1

Radius: 7.5

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.02 AU - 10 AU

Year: 19239 Days

Day: 16 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,162,299 km

• M1: 94,247 km (0.086 R)
• M2: 354,996 km (0.109 R)
• M3: 602,431 km (0.101 R)
• M4: 839,842 km (0.04 R)
• M5: 1,820,606 km (0.12 R)
• M6: 2,377,110 km (0.032 R)
• M7: 3,067,804 km (0.081 R)
• M8: 3,915,724 km (0.102 R)
• M9: 4,983,255 km (0.105 R)
• M10: 6,402,789 km (0.12 R)
• M11: 8,224,741 km (0.048 R)
• M12: 8,637,183 km (0.114 R)
• M13: 8,955,677 km (0.097 R)
• M14: 9,785,945 km (0.114 R)
• M15: 10,546,201 km (0.057 R)
• M16: 11,095,225 km (0.116 R)
• M17: 18,626,281 km (0.114 R)
• M18: 21,100,331 km (0.119 R)
• M19: 22,168,310 km (0.117 R)
• M20: 22,465,711 km (0.035 R)
• M21: 23,476,394 km (0.097 R)
• M22: 25,263,490 km (0.101 R)
• M23: 25,588,117 km (0.069 R)
• M24: 29,582,680 km (0.086 R)
• M25: 31,916,257 km (0.059 R)
• M26: 37,364,462 km (0.098 R)
• M27: 38,352,705 km (0.074 R)
• M28: 42,632,850 km (0.11 R)
• M29: 47,220,717 km (0.114 R)
• M30: 48,043,655 km (0.106 R)
• M31: 63,535,562 km (0.102 R)
• M32: 65,144,936 km (0.096 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 18,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit