🌌 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: 497.8

Radius: 10.2

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.52 AU - 0.6 AU

Year: 289 Days

Day: 9.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,026,664 km

• M1: 128,056 km (0.114 R)
• M2: 457,470 km (0.065 R)
• M3: 810,372 km (0.115 R)
• M4: 1,268,141 km (0.094 R)
• M5: 1,595,162 km (0.074 R)
• M6: 2,008,202 km (0.056 R)
• M7: 2,335,821 km (0.059 R)
• M8: 2,708,469 km (0.104 R)
• M9: 3,230,267 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.4

Radius: 12.1

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.52 AU - 0.78 AU

Year: 362 Days

Day: 6.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,026,664 km

• M1: 151,393 km (0.109 R)
• M2: 713,582 km (0.108 R)
• M3: 1,778,868 km (0.111 R)
• M4: 2,334,176 km (0.119 R)
• M5: 3,034,144 km (0.054 R)
• M6: 3,676,966 km (0.067 R)
• M7: 4,082,077 km (0.081 R)
• M8: 4,599,536 km (0.096 R)
• M9: 4,997,766 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.4

Radius: 8.6

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.67 AU - 0.99 AU

Year: 522 Days

Day: 11.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,026,664 km

• M1: 108,458 km (0.105 R)
• M2: 488,437 km (0.091 R)
• M3: 919,877 km (0.072 R)
• M4: 1,272,479 km (0.079 R)
• M5: 1,759,121 km (0.05 R)
• M6: 2,592,681 km (0.077 R)
• M7: 3,059,576 km (0.09 R)
• M8: 3,354,283 km (0.107 R)
• M9: 4,107,658 km (0.099 R)
• M10: 4,481,653 km (0.064 R)
• M11: 5,282,002 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.2

Radius: 12.8

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.05 AU - 1.13 AU

Year: 786 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,026,664 km

• M1: 163,361 km (0.068 R)
• M2: 614,398 km (0.033 R)
• M3: 1,258,417 km (0.037 R)
• M4: 1,821,504 km (0.079 R)
• M5: 2,595,972 km (0.041 R)
• M6: 3,423,398 km (0.114 R)
• M7: 3,984,390 km (0.093 R)
• M8: 4,537,902 km (0.11 R)
• M9: 5,179,377 km (0.102 R)
• M10: 5,581,048 km (0.114 R)
• M11: 6,191,257 km (0.084 R)
• M12: 6,936,255 km (0.109 R)
• M13: 7,473,461 km (0.067 R)
• M14: 8,979,911 km (0.088 R)
• M15: 9,618,993 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.6

Radius: 11

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.86 AU - 2.5 AU

Year: 2222 Days

Day: 5.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,026,664 km

• M1: 137,181 km (0.066 R)
• M2: 494,870 km (0.057 R)
• M3: 960,568 km (0.112 R)
• M4: 1,443,320 km (0.083 R)
• M5: 1,790,836 km (0.05 R)
• M6: 2,257,581 km (0.12 R)
• M7: 3,629,394 km (0.073 R)
• M8: 4,013,112 km (0.096 R)
• M9: 4,383,517 km (0.066 R)
• M10: 5,103,980 km (0.026 R)
• M11: 6,592,928 km (0.098 R)
• M12: 7,337,177 km (0.079 R)
• M13: 8,415,479 km (0.081 R)
• M14: 9,734,333 km (0.111 R)
• M15: 12,488,729 km (0.098 R)
• M16: 15,065,403 km (0.025 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.1

Radius: 9.4

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.81 AU - 2.69 AU

Year: 2330 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,026,664 km

• M1: 116,986 km (0.111 R)
• M2: 660,774 km (0.043 R)
• M3: 1,199,775 km (0.08 R)
• M4: 1,717,982 km (0.119 R)
• M5: 2,084,347 km (0.091 R)
• M6: 3,008,264 km (0.09 R)
• M7: 3,855,287 km (0.066 R)
• M8: 5,031,575 km (0.084 R)
• M9: 5,520,461 km (0.076 R)
• M10: 6,040,612 km (0.074 R)
• M11: 6,702,134 km (0.074 R)
• M12: 8,422,659 km (0.055 R)
• M13: 9,488,843 km (0.09 R)
• M14: 11,098,516 km (0.105 R)
• M15: 11,448,875 km (0.039 R)
• M16: 12,461,353 km (0.097 R)
• M17: 14,203,719 km (0.095 R)
• M18: 15,954,763 km (0.103 R)
• M19: 17,372,352 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89

Radius: 7.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.2 AU - 6.84 AU

Year: 10195 Days

Day: 20.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,026,664 km

• M1: 96,939 km (0.075 R)
• M2: 410,796 km (0.117 R)
• M3: 725,849 km (0.063 R)
• M4: 1,001,558 km (0.095 R)
• M5: 2,226,615 km (0.113 R)
• M6: 3,404,100 km (0.107 R)
• M7: 4,307,222 km (0.096 R)
• M8: 5,963,270 km (0.027 R)
• M9: 7,075,530 km (0.067 R)
• M10: 7,867,352 km (0.048 R)
• M11: 8,391,393 km (0.067 R)
• M12: 9,704,713 km (0.076 R)
• M13: 10,266,603 km (0.118 R)
• M14: 13,901,681 km (0.087 R)
• M15: 14,563,802 km (0.104 R)
• M16: 15,140,352 km (0.07 R)
• M17: 15,677,558 km (0.076 R)
• M18: 20,248,521 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.3

Radius: 5.2

Gravity: 34.4 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.05 AU - 7.87 AU

Year: 11333 Days

Day: 23.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,026,664 km

• M1: 65,225 km (0.027 R)
• M2: 337,942 km (0.084 R)
• M3: 933,192 km (0.075 R)
• M4: 1,263,354 km (0.107 R)
• M5: 1,514,379 km (0.109 R)
• M6: 2,514,740 km (0.114 R)
• M7: 3,055,686 km (0.06 R)
• M8: 3,379,416 km (0.095 R)
• M9: 3,670,982 km (0.039 R)
• M10: 4,008,026 km (0.12 R)
• M11: 4,647,108 km (0.077 R)
• M12: 5,075,557 km (0.099 R)
• M13: 6,280,717 km (0.089 R)
• M14: 7,140,306 km (0.115 R)
• M15: 8,742,948 km (0.087 R)
• M16: 10,078,558 km (0.116 R)
• M17: 13,211,437 km (0.117 R)
• M18: 14,614,216 km (0.08 R)
• M19: 16,861,924 km (0.067 R)
• M20: 21,309,618 km (0.086 R)
• M21: 21,667,157 km (0.039 R)
• M22: 23,515,140 km (0.115 R)
• M23: 23,705,578 km (0.093 R)
• M24: 25,166,401 km (0.095 R)
• M25: 27,521,520 km (0.048 R)
• M26: 28,159,106 km (0.086 R)
• M27: 28,698,108 km (0.092 R)
• M28: 29,243,841 km (0.119 R)
• M29: 29,464,049 km (0.092 R)
• M30: 34,839,699 km (0.106 R)
• M31: 42,927,558 km (0.097 R)
• M32: 43,354,809 km (0.101 R)
• M33: 51,537,214 km (0.112 R)
• M34: 53,485,577 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403

Radius: 4.2

Gravity: 22.85 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.14 AU - 8.44 AU

Year: 12213 Days

Day: 22.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 62,026,664 km

• M1: 71,508 km (0.093 R)
• M2: 269,575 km (0.082 R)
• M3: 647,160 km (0.111 R)
• M4: 867,219 km (0.114 R)
• M5: 1,339,948 km (0.088 R)
• M6: 1,729,651 km (0.045 R)
• M7: 1,950,906 km (0.067 R)
• M8: 2,085,694 km (0.073 R)
• M9: 2,226,615 km (0.064 R)
• M10: 2,985,824 km (0.088 R)
• M11: 3,119,864 km (0.066 R)
• M12: 3,645,999 km (0.096 R)
• M13: 3,799,337 km (0.1 R)
• M14: 4,201,456 km (0.047 R)
• M15: 5,153,198 km (0.105 R)
• M16: 5,850,922 km (0.117 R)
• M17: 6,240,625 km (0.103 R)
• M18: 7,350,491 km (0.1 R)
• M19: 8,145,305 km (0.079 R)
• M20: 9,182,018 km (0.082 R)
• M21: 9,370,811 km (0.094 R)
• M22: 9,805,392 km (0.093 R)
• M23: 10,766,559 km (0.096 R)
• M24: 11,568,403 km (0.09 R)
• M25: 12,238,003 km (0.103 R)
• M26: 14,914,758 km (0.073 R)
• M27: 19,005,811 km (0.118 R)
• M28: 19,779,232 km (0.096 R)
• M29: 23,083,699 km (0.076 R)
• M30: 24,774,903 km (0.08 R)
• M31: 27,123,440 km (0.099 R)
• M32: 29,411,390 km (0.083 R)
• M33: 31,076,714 km (0.044 R)
• M34: 31,824,703 km (0.085 R)
• M35: 36,448,324 km (0.064 R)
• M36: 38,245,743 km (0.11 R)
• M37: 39,104,435 km (0.119 R)
• M38: 42,537,107 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.5

Radius: 4.4

Gravity: 25.39 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.26 AU - 9.92 AU

Year: 17378 Days

Day: 23.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,026,664 km

• M1: 55,501 km (0.098 R)
• M2: 285,433 km (0.116 R)
• M3: 808,726 km (0.108 R)
• M4: 1,070,223 km (0.081 R)
• M5: 1,550,582 km (0.106 R)
• M6: 2,028,846 km (0.057 R)
• M7: 2,803,913 km (0.09 R)
• M8: 3,296,688 km (0.034 R)
• M9: 3,509,267 km (0.05 R)
• M10: 3,787,668 km (0.11 R)
• M11: 4,811,965 km (0.041 R)
• M12: 5,892,211 km (0.09 R)
• M13: 6,285,654 km (0.11 R)
• M14: 7,571,148 km (0.108 R)
• M15: 9,491,387 km (0.074 R)
• M16: 10,937,998 km (0.118 R)
• M17: 11,291,498 km (0.083 R)
• M18: 11,836,184 km (0.049 R)
• M19: 13,642,428 km (0.061 R)
• M20: 17,549,476 km (0.105 R)
• M21: 20,590,651 km (0.074 R)
• M22: 22,993,342 km (0.086 R)
• M23: 24,361,564 km (0.048 R)
• M24: 25,886,715 km (0.057 R)
• M25: 28,790,110 km (0.087 R)
• M26: 29,013,460 km (0.079 R)
• M27: 31,784,312 km (0.087 R)
• M28: 37,578,536 km (0.09 R)
• M29: 46,909,105 km (0.1 R)
• M30: 50,710,537 km (0.105 R)
• M31: 51,527,640 km (0.111 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 20,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit