🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.8

Radius: 8.7

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.42 AU - 0.7 AU

Year: 289 Days

Day: 9.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,719,036 km

• M1: 108,159 km (0.084 R)
• M2: 378,931 km (0.114 R)
• M3: 664,065 km (0.069 R)
• M4: 1,010,085 km (0.108 R)
• M5: 1,654,702 km (0.051 R)
• M6: 1,943,127 km (0.113 R)
• M7: 2,409,274 km (0.079 R)
• M8: 2,830,541 km (0.088 R)
• M9: 3,257,494 km (0.066 R)
• M10: 3,990,374 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.8

Radius: 11.7

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.91 AU - 2.97 AU

Year: 2631 Days

Day: 12.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,719,036 km

• M1: 145,559 km (0.076 R)
• M2: 619,335 km (0.076 R)
• M3: 1,060,499 km (0.094 R)
• M4: 1,456,036 km (0.086 R)
• M5: 1,856,210 km (0.104 R)
• M6: 2,417,502 km (0.074 R)
• M7: 2,843,257 km (0.088 R)
• M8: 4,394,587 km (0.028 R)
• M9: 5,181,771 km (0.086 R)
• M10: 6,037,022 km (0.112 R)
• M11: 7,438,455 km (0.092 R)
• M12: 8,289,068 km (0.053 R)
• M13: 9,266,541 km (0.057 R)
• M14: 10,082,298 km (0.082 R)
• M15: 11,016,537 km (0.105 R)
• M16: 12,977,316 km (0.084 R)
• M17: 13,624,925 km (0.092 R)
• M18: 14,124,582 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.4

Radius: 12.9

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.67 AU - 4.71 AU

Year: 5920 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,719,036 km

• M1: 160,369 km (0.112 R)
• M2: 573,409 km (0.09 R)
• M3: 977,173 km (0.101 R)
• M4: 1,815,969 km (0.113 R)
• M5: 2,481,081 km (0.052 R)
• M6: 2,907,734 km (0.074 R)
• M7: 3,588,554 km (0.076 R)
• M8: 5,215,580 km (0.048 R)
• M9: 5,632,809 km (0.062 R)
• M10: 6,440,338 km (0.056 R)
• M11: 6,921,594 km (0.11 R)
• M12: 7,565,613 km (0.025 R)
• M13: 8,286,525 km (0.068 R)
• M14: 10,682,186 km (0.036 R)
• M15: 12,062,974 km (0.096 R)
• M16: 14,514,883 km (0.086 R)
• M17: 15,176,554 km (0.104 R)
• M18: 15,800,527 km (0.108 R)
• M19: 17,099,934 km (0.085 R)
• M20: 18,151,906 km (0.061 R)
• M21: 18,855,316 km (0.103 R)
• M22: 22,502,063 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.6

Radius: 12.1

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.83 AU - 5.27 AU

Year: 6699 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,719,036 km

• M1: 150,944 km (0.118 R)
• M2: 534,214 km (0.07 R)
• M3: 1,063,042 km (0.107 R)
• M4: 1,440,478 km (0.047 R)
• M5: 2,947,377 km (0.047 R)
• M6: 4,013,711 km (0.101 R)
• M7: 5,482,912 km (0.086 R)
• M8: 6,613,871 km (0.09 R)
• M9: 7,619,169 km (0.068 R)
• M10: 10,344,244 km (0.111 R)
• M11: 11,292,694 km (0.089 R)
• M12: 12,487,084 km (0.082 R)
• M13: 14,592,076 km (0.118 R)
• M14: 16,120,667 km (0.109 R)
• M15: 20,871,895 km (0.115 R)
• M16: 22,173,696 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.5

Radius: 11.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.84 AU - 5.68 AU

Year: 7168 Days

Day: 10.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,719,036 km

• M1: 145,858 km (0.08 R)
• M2: 521,498 km (0.114 R)
• M3: 897,438 km (0.07 R)
• M4: 1,682,976 km (0.103 R)
• M5: 2,096,614 km (0.066 R)
• M6: 2,809,598 km (0.041 R)
• M7: 4,877,040 km (0.052 R)
• M8: 6,514,987 km (0.068 R)
• M9: 8,183,004 km (0.068 R)
• M10: 14,479,877 km (0.029 R)
• M11: 16,851,303 km (0.103 R)
• M12: 19,470,761 km (0.044 R)
• M13: 24,850,450 km (0.075 R)
• M14: 26,504,404 km (0.105 R)
• M15: 27,185,972 km (0.102 R)
• M16: 30,958,232 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.9

Radius: 10

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.39 AU - 5.37 AU

Year: 7441 Days

Day: 6.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,719,036 km

• M1: 124,914 km (0.112 R)
• M2: 519,703 km (0.098 R)
• M3: 876,793 km (0.118 R)
• M4: 1,203,066 km (0.039 R)
• M5: 1,912,609 km (0.096 R)
• M6: 2,281,966 km (0.109 R)
• M7: 3,600,821 km (0.053 R)
• M8: 4,168,993 km (0.089 R)
• M9: 6,051,084 km (0.065 R)
• M10: 6,821,813 km (0.105 R)
• M11: 7,548,709 km (0.057 R)
• M12: 9,528,786 km (0.116 R)
• M13: 11,213,557 km (0.092 R)
• M14: 11,592,040 km (0.061 R)
• M15: 13,297,007 km (0.056 R)
• M16: 16,826,170 km (0.093 R)
• M17: 18,871,622 km (0.064 R)
• M18: 20,510,915 km (0.118 R)
• M19: 23,836,775 km (0.097 R)
• M20: 27,763,270 km (0.103 R)

Asteroid Belt

Center: 5.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.5

Radius: 3.4

Gravity: 58.09 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.77 AU - 6.91 AU

Year: 9742 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 27,719,036 km

• M1: 42,635 km (0.09 R)
• M2: 178,919 km (0.084 R)
• M3: 368,011 km (0.045 R)
• M4: 618,587 km (0.119 R)
• M5: 729,738 km (0.101 R)
• M6: 835,803 km (0.051 R)
• M7: 1,124,527 km (0.109 R)
• M8: 1,421,629 km (0.08 R)
• M9: 1,632,412 km (0.086 R)
• M10: 1,752,988 km (0.102 R)
• M11: 2,353,175 km (0.119 R)
• M12: 2,547,203 km (0.112 R)
• M13: 2,794,189 km (0.115 R)
• M14: 3,194,064 km (0.1 R)
• M15: 3,555,642 km (0.077 R)
• M16: 4,051,858 km (0.092 R)
• M17: 6,465,171 km (0.08 R)
• M18: 7,651,781 km (0.078 R)
• M19: 9,022,846 km (0.12 R)
• M20: 11,843,663 km (0.107 R)
• M21: 12,704,001 km (0.109 R)
• M22: 14,677,197 km (0.12 R)
• M23: 16,008,767 km (0.109 R)
• M24: 17,130,602 km (0.071 R)
• M25: 18,228,800 km (0.033 R)
• M26: 20,161,903 km (0.111 R)
• M27: 20,483,389 km (0.108 R)
• M28: 21,054,255 km (0.077 R)
• M29: 23,355,369 km (0.089 R)
• M30: 23,709,916 km (0.074 R)
• M31: 24,068,053 km (0.112 R)
• M32: 26,102,584 km (0.113 R)
• M33: 27,553,684 km (0.119 R)
• M34: 29,674,084 km (0.088 R)
• M35: 31,253,688 km (0.106 R)
• M36: 31,468,510 km (0.085 R)
• M37: 32,009,756 km (0.108 R)
• M38: 33,783,238 km (0.065 R)
• M39: 35,271,588 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.3

Radius: 4.2

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.96 AU - 6.62 AU

Year: 10889 Days

Day: 20.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 27,719,036 km

• M1: 52,359 km (0.084 R)
• M2: 183,407 km (0.062 R)
• M3: 448,195 km (0.119 R)
• M4: 753,225 km (0.075 R)
• M5: 911,350 km (0.092 R)
• M6: 2,031,240 km (0.103 R)
• M7: 2,497,836 km (0.07 R)
• M8: 3,177,309 km (0.099 R)
• M9: 3,348,449 km (0.119 R)
• M10: 3,899,268 km (0.115 R)
• M11: 4,070,857 km (0.073 R)
• M12: 5,296,363 km (0.071 R)
• M13: 5,785,847 km (0.058 R)
• M14: 6,405,482 km (0.108 R)
• M15: 7,775,499 km (0.077 R)
• M16: 8,944,307 km (0.038 R)
• M17: 9,905,623 km (0.09 R)
• M18: 12,238,153 km (0.118 R)
• M19: 16,512,463 km (0.089 R)
• M20: 17,222,305 km (0.083 R)
• M21: 18,496,131 km (0.041 R)
• M22: 18,841,553 km (0.096 R)
• M23: 19,191,312 km (0.056 R)
• M24: 21,837,699 km (0.108 R)
• M25: 25,052,407 km (0.106 R)
• M26: 28,385,598 km (0.115 R)
• M27: 30,732,489 km (0.114 R)
• M28: 32,801,278 km (0.12 R)
• M29: 33,510,970 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.5

Radius: 4.8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.24 AU - 9.28 AU

Year: 14921 Days

Day: 24.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,719,036 km

• M1: 64,477 km (0.081 R)
• M2: 456,573 km (0.077 R)
• M3: 1,000,511 km (0.074 R)
• M4: 1,751,492 km (0.115 R)
• M5: 2,822,762 km (0.105 R)
• M6: 3,023,971 km (0.089 R)
• M7: 3,793,802 km (0.036 R)
• M8: 4,415,082 km (0.034 R)
• M9: 5,682,774 km (0.062 R)
• M10: 6,124,238 km (0.05 R)
• M11: 6,399,797 km (0.114 R)
• M12: 6,651,720 km (0.109 R)
• M13: 8,011,714 km (0.118 R)
• M14: 10,731,403 km (0.053 R)
• M15: 11,775,148 km (0.069 R)
• M16: 19,166,928 km (0.112 R)
• M17: 23,033,135 km (0.069 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 11,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit