🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.1

Radius: 8.2

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.5 AU - 0.64 AU

Year: 287 Days

Day: 13.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,264,089 km

• M1: 102,026 km (0.102 R)
• M2: 444,006 km (0.115 R)
• M3: 706,850 km (0.096 R)
• M4: 1,073,664 km (0.07 R)
• M5: 1,496,876 km (0.102 R)
• M6: 1,796,222 km (0.083 R)
• M7: 2,371,276 km (0.087 R)
• M8: 2,679,148 km (0.068 R)
• M9: 3,114,328 km (0.079 R)
• M10: 3,860,672 km (0.104 R)
• M11: 4,200,708 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.2

Radius: 10.5

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.53 AU - 0.71 AU

Year: 326 Days

Day: 10.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,264,089 km

• M1: 130,599 km (0.102 R)
• M2: 514,018 km (0.045 R)
• M3: 853,755 km (0.113 R)
• M4: 1,494,184 km (0.109 R)
• M5: 2,060,860 km (0.048 R)
• M6: 2,533,440 km (0.081 R)
• M7: 3,286,964 km (0.085 R)
• M8: 3,759,694 km (0.119 R)
• M9: 4,582,033 km (0.071 R)
• M10: 4,946,005 km (0.093 R)
• M11: 5,376,547 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.2

Radius: 9.4

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.2 AU - 1.46 AU

Year: 1023 Days

Day: 13.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,264,089 km

• M1: 117,584 km (0.114 R)
• M2: 547,079 km (0.062 R)
• M3: 879,635 km (0.118 R)
• M4: 1,178,981 km (0.077 R)
• M5: 1,667,119 km (0.101 R)
• M6: 2,199,388 km (0.116 R)
• M7: 3,213,512 km (0.104 R)
• M8: 4,238,407 km (0.105 R)
• M9: 4,726,246 km (0.062 R)
• M10: 5,154,694 km (0.099 R)
• M11: 5,669,909 km (0.117 R)
• M12: 6,132,466 km (0.102 R)
• M13: 6,529,349 km (0.062 R)
• M14: 8,186,444 km (0.077 R)
• M15: 8,478,759 km (0.084 R)
• M16: 9,368,866 km (0.054 R)
• M17: 10,320,159 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.4

Radius: 13.4

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.22 AU - 1.7 AU

Year: 1176 Days

Day: 14.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,264,089 km

• M1: 166,951 km (0.089 R)
• M2: 588,817 km (0.093 R)
• M3: 1,091,316 km (0.066 R)
• M4: 2,573,083 km (0.107 R)
• M5: 4,883,922 km (0.098 R)
• M6: 5,330,920 km (0.082 R)
• M7: 6,022,960 km (0.069 R)
• M8: 7,400,906 km (0.114 R)
• M9: 7,823,969 km (0.116 R)
• M10: 8,719,162 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.3

Radius: 8.1

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.24 AU - 1.74 AU

Year: 1213 Days

Day: 5.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,264,089 km

• M1: 107,112 km (0.101 R)
• M2: 669,301 km (0.09 R)
• M3: 1,155,644 km (0.094 R)
• M4: 1,509,293 km (0.055 R)
• M5: 1,871,769 km (0.075 R)
• M6: 2,424,533 km (0.091 R)
• M7: 2,896,813 km (0.059 R)
• M8: 3,476,206 km (0.104 R)
• M9: 3,751,915 km (0.102 R)
• M10: 4,329,362 km (0.061 R)
• M11: 5,378,941 km (0.055 R)
• M12: 5,816,066 km (0.104 R)
• M13: 6,811,490 km (0.096 R)
• M14: 9,506,197 km (0.085 R)
• M15: 10,211,401 km (0.049 R)
• M16: 11,404,444 km (0.093 R)
• M17: 12,649,846 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.1

Radius: 10.4

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.01 AU - 2.19 AU

Year: 2029 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,264,089 km

• M1: 129,402 km (0.09 R)
• M2: 487,240 km (0.047 R)
• M3: 921,972 km (0.114 R)
• M4: 1,396,646 km (0.093 R)
• M5: 2,019,422 km (0.108 R)
• M6: 2,453,106 km (0.087 R)
• M7: 3,559,681 km (0.035 R)
• M8: 4,887,811 km (0.099 R)
• M9: 5,448,654 km (0.112 R)
• M10: 5,838,356 km (0.067 R)
• M11: 6,445,275 km (0.042 R)
• M12: 6,986,969 km (0.067 R)
• M13: 7,365,002 km (0.081 R)
• M14: 7,928,538 km (0.097 R)
• M15: 9,859,996 km (0.108 R)
• M16: 10,580,160 km (0.105 R)
• M17: 11,631,683 km (0.118 R)
• M18: 12,911,493 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465

Radius: 13.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.25 AU - 6.99 AU

Year: 8885 Days

Day: 14.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,264,089 km

• M1: 163,062 km (0.034 R)
• M2: 647,011 km (0.058 R)
• M3: 1,148,164 km (0.089 R)
• M4: 1,607,429 km (0.097 R)
• M5: 2,032,736 km (0.054 R)
• M6: 2,607,192 km (0.079 R)
• M7: 3,442,995 km (0.104 R)
• M8: 4,344,173 km (0.091 R)
• M9: 5,155,891 km (0.086 R)
• M10: 5,967,459 km (0.052 R)
• M11: 7,342,712 km (0.11 R)
• M12: 9,006,241 km (0.094 R)
• M13: 10,469,607 km (0.119 R)
• M14: 11,667,437 km (0.09 R)
• M15: 12,407,049 km (0.093 R)
• M16: 17,384,021 km (0.11 R)
• M17: 18,139,639 km (0.119 R)
• M18: 19,205,225 km (0.113 R)
• M19: 21,150,446 km (0.119 R)
• M20: 23,804,462 km (0.05 R)
• M21: 25,342,178 km (0.068 R)
• M22: 26,224,507 km (0.115 R)
• M23: 27,586,446 km (0.065 R)
• M24: 30,352,211 km (0.026 R)
• M25: 31,347,336 km (0.041 R)
• M26: 36,876,174 km (0.055 R)
• M27: 38,009,229 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684

Radius: 7.1

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.51 AU - 9.55 AU

Year: 15174 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,264,089 km

• M1: 88,562 km (0.113 R)
• M2: 563,984 km (0.108 R)
• M3: 887,415 km (0.09 R)
• M4: 1,111,363 km (0.057 R)
• M5: 1,934,151 km (0.093 R)
• M6: 3,288,311 km (0.06 R)
• M7: 3,721,696 km (0.108 R)
• M8: 4,254,115 km (0.056 R)
• M9: 5,006,742 km (0.109 R)
• M10: 5,324,487 km (0.061 R)
• M11: 6,277,725 km (0.103 R)
• M12: 6,944,782 km (0.105 R)
• M13: 7,206,877 km (0.053 R)
• M14: 7,612,288 km (0.086 R)
• M15: 8,224,592 km (0.09 R)
• M16: 9,177,829 km (0.095 R)
• M17: 10,599,159 km (0.082 R)
• M18: 11,422,396 km (0.034 R)
• M19: 12,606,912 km (0.055 R)
• M20: 13,195,729 km (0.063 R)
• M21: 14,287,345 km (0.116 R)
• M22: 17,119,681 km (0.103 R)
• M23: 18,251,090 km (0.1 R)
• M24: 22,225,307 km (0.071 R)
• M25: 24,063,715 km (0.105 R)
• M26: 29,609,607 km (0.068 R)
• M27: 29,953,383 km (0.092 R)
• M28: 31,592,677 km (0.1 R)
• M29: 36,736,151 km (0.118 R)
• M30: 38,205,501 km (0.083 R)
• M31: 42,847,972 km (0.111 R)
• M32: 44,775,540 km (0.092 R)
• M33: 48,643,692 km (0.093 R)
• M34: 59,548,779 km (0.076 R)
• M35: 60,096,606 km (0.082 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 11,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit