🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.2

Radius: 10.3

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.81 AU - 0.91 AU

Year: 551 Days

Day: 11.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,988,107 km

• M1: 128,056 km (0.056 R)
• M2: 498,311 km (0.074 R)
• M3: 827,725 km (0.104 R)
• M4: 1,653,505 km (0.108 R)
• M5: 1,985,313 km (0.095 R)
• M6: 2,484,073 km (0.111 R)
• M7: 3,299,231 km (0.078 R)
• M8: 3,762,237 km (0.111 R)
• M9: 4,223,297 km (0.098 R)
• M10: 4,737,914 km (0.117 R)
• M11: 5,725,111 km (0.115 R)
• M12: 6,864,897 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.3

Radius: 14

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.56 AU - 2.42 AU

Year: 1938 Days

Day: 11.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,988,107 km

• M1: 174,282 km (0.087 R)
• M2: 658,380 km (0.111 R)
• M3: 1,146,219 km (0.096 R)
• M4: 1,638,545 km (0.026 R)
• M5: 2,444,878 km (0.109 R)
• M6: 3,115,376 km (0.12 R)
• M7: 4,322,182 km (0.09 R)
• M8: 4,848,168 km (0.116 R)
• M9: 5,959,680 km (0.061 R)
• M10: 6,513,641 km (0.099 R)
• M11: 8,152,037 km (0.086 R)
• M12: 10,663,785 km (0.08 R)
• M13: 12,849,410 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.6

Radius: 9.5

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.96 AU - 2.22 AU

Year: 2086 Days

Day: 5.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,988,107 km

• M1: 118,182 km (0.109 R)
• M2: 534,064 km (0.107 R)
• M3: 851,361 km (0.08 R)
• M4: 1,156,392 km (0.088 R)
• M5: 1,554,771 km (0.112 R)
• M6: 2,055,475 km (0.101 R)
• M7: 2,565,603 km (0.118 R)
• M8: 2,946,180 km (0.102 R)
• M9: 3,630,591 km (0.032 R)
• M10: 4,417,326 km (0.065 R)
• M11: 5,335,707 km (0.038 R)
• M12: 5,959,381 km (0.116 R)
• M13: 6,579,464 km (0.053 R)
• M14: 6,998,338 km (0.119 R)
• M15: 8,035,799 km (0.096 R)
• M16: 9,563,493 km (0.12 R)
• M17: 10,239,525 km (0.039 R)
• M18: 11,724,584 km (0.119 R)
• M19: 12,538,546 km (0.056 R)
• M20: 13,020,400 km (0.032 R)
• M21: 13,850,668 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.3

Radius: 13.7

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.26 AU - 2.78 AU

Year: 2761 Days

Day: 13.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,988,107 km

• M1: 170,392 km (0.108 R)
• M2: 674,238 km (0.047 R)
• M3: 1,148,313 km (0.079 R)
• M4: 1,782,608 km (0.056 R)
• M5: 2,334,475 km (0.082 R)
• M6: 3,517,944 km (0.036 R)
• M7: 4,223,148 km (0.111 R)
• M8: 5,020,953 km (0.048 R)
• M9: 5,469,149 km (0.081 R)
• M10: 6,192,005 km (0.118 R)
• M11: 9,437,830 km (0.047 R)
• M12: 10,241,620 km (0.068 R)
• M13: 11,511,107 km (0.096 R)
• M14: 11,942,248 km (0.087 R)
• M15: 12,429,040 km (0.062 R)
• M16: 13,489,689 km (0.05 R)
• M17: 15,844,060 km (0.101 R)
• M18: 17,146,459 km (0.037 R)
• M19: 22,336,757 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.1

Radius: 9.6

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.6 AU - 3.36 AU

Year: 3551 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,988,107 km

• M1: 119,379 km (0.108 R)
• M2: 448,794 km (0.119 R)
• M3: 1,104,631 km (0.079 R)
• M4: 1,462,469 km (0.117 R)
• M5: 2,016,579 km (0.119 R)
• M6: 2,328,192 km (0.093 R)
• M7: 2,788,804 km (0.117 R)
• M8: 3,159,657 km (0.043 R)
• M9: 3,643,905 km (0.109 R)
• M10: 4,000,995 km (0.051 R)
• M11: 4,451,135 km (0.043 R)
• M12: 4,909,653 km (0.103 R)
• M13: 7,424,542 km (0.106 R)
• M14: 7,931,679 km (0.037 R)
• M15: 10,072,425 km (0.105 R)
• M16: 10,779,125 km (0.093 R)
• M17: 12,014,654 km (0.112 R)
• M18: 12,905,210 km (0.099 R)
• M19: 13,589,171 km (0.111 R)
• M20: 16,286,421 km (0.058 R)
• M21: 16,625,559 km (0.042 R)
• M22: 17,553,216 km (0.094 R)
• M23: 18,946,421 km (0.101 R)
• M24: 19,893,974 km (0.118 R)
• M25: 21,072,206 km (0.119 R)
• M26: 24,663,004 km (0.112 R)
• M27: 25,110,601 km (0.105 R)

Asteroid Belt

Center: 3.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.9

Radius: 11.4

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.24 AU - 5.6 AU

Year: 7533 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,988,107 km

• M1: 141,819 km (0.1 R)
• M2: 502,499 km (0.076 R)
• M3: 1,075,609 km (0.108 R)
• M4: 1,503,907 km (0.07 R)
• M5: 2,079,111 km (0.114 R)
• M6: 3,951,478 km (0.052 R)
• M7: 4,465,347 km (0.112 R)
• M8: 5,054,164 km (0.085 R)
• M9: 5,694,144 km (0.027 R)
• M10: 6,138,599 km (0.028 R)
• M11: 6,867,589 km (0.09 R)
• M12: 8,238,654 km (0.097 R)
• M13: 8,943,559 km (0.094 R)
• M14: 9,357,496 km (0.113 R)
• M15: 11,354,628 km (0.072 R)
• M16: 12,681,262 km (0.098 R)
• M17: 13,924,420 km (0.075 R)
• M18: 14,797,324 km (0.062 R)
• M19: 18,434,796 km (0.063 R)
• M20: 19,563,662 km (0.038 R)
• M21: 24,099,170 km (0.12 R)
• M22: 25,448,243 km (0.072 R)
• M23: 27,228,458 km (0.118 R)
• M24: 28,002,328 km (0.095 R)
• M25: 28,890,341 km (0.053 R)
• M26: 34,169,350 km (0.067 R)
• M27: 37,985,443 km (0.107 R)
• M28: 38,587,275 km (0.114 R)
• M29: 39,934,104 km (0.118 R)
• M30: 41,185,341 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665

Radius: 6

Gravity: 18.47 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.88 AU - 6.62 AU

Year: 9517 Days

Day: 22.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,988,107 km

• M1: 74,649 km (0.081 R)
• M2: 265,985 km (0.111 R)
• M3: 452,534 km (0.082 R)
• M4: 765,492 km (0.099 R)
• M5: 977,024 km (0.115 R)
• M6: 1,782,907 km (0.08 R)
• M7: 2,074,174 km (0.119 R)
• M8: 2,285,706 km (0.114 R)
• M9: 2,650,425 km (0.087 R)
• M10: 2,986,871 km (0.11 R)
• M11: 3,234,456 km (0.12 R)
• M12: 3,423,098 km (0.106 R)
• M13: 4,142,066 km (0.068 R)
• M14: 5,669,011 km (0.09 R)
• M15: 6,336,966 km (0.088 R)
• M16: 6,746,864 km (0.052 R)
• M17: 7,293,943 km (0.027 R)
• M18: 7,954,867 km (0.051 R)
• M19: 8,212,624 km (0.067 R)
• M20: 8,790,670 km (0.08 R)
• M21: 9,300,500 km (0.096 R)
• M22: 15,465,577 km (0.086 R)
• M23: 16,139,665 km (0.097 R)
• M24: 18,427,915 km (0.114 R)
• M25: 21,915,340 km (0.08 R)
• M26: 23,285,357 km (0.039 R)
• M27: 27,638,506 km (0.097 R)
• M28: 27,834,928 km (0.105 R)
• M29: 29,953,832 km (0.103 R)
• M30: 31,105,736 km (0.1 R)
• M31: 31,853,725 km (0.117 R)
• M32: 32,178,053 km (0.042 R)
• M33: 33,053,650 km (0.078 R)
• M34: 34,396,440 km (0.055 R)
• M35: 35,196,340 km (0.119 R)
• M36: 36,125,642 km (0.038 R)
• M37: 37,190,629 km (0.095 R)
• M38: 45,101,514 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.1

Radius: 5.9

Gravity: 20.43 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.17 AU - 9.99 AU

Year: 15854 Days

Day: 20.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,988,107 km

• M1: 74,051 km (0.102 R)
• M2: 569,669 km (0.088 R)
• M3: 794,514 km (0.099 R)
• M4: 1,583,194 km (0.105 R)
• M5: 1,835,267 km (0.06 R)
• M6: 2,253,542 km (0.098 R)
• M7: 2,664,039 km (0.114 R)
• M8: 3,358,323 km (0.066 R)
• M9: 3,605,309 km (0.069 R)
• M10: 3,864,263 km (0.04 R)
• M11: 4,452,033 km (0.112 R)
• M12: 4,716,671 km (0.078 R)
• M13: 5,612,015 km (0.118 R)
• M14: 6,573,330 km (0.074 R)
• M15: 6,916,807 km (0.093 R)
• M16: 8,165,351 km (0.119 R)
• M17: 11,160,001 km (0.06 R)
• M18: 14,239,922 km (0.094 R)
• M19: 19,545,111 km (0.074 R)
• M20: 21,167,052 km (0.072 R)
• M21: 23,565,405 km (0.046 R)
• M22: 23,864,900 km (0.103 R)
• M23: 25,505,091 km (0.092 R)
• M24: 26,675,395 km (0.095 R)
• M25: 27,000,770 km (0.103 R)
• M26: 31,353,320 km (0.09 R)
• M27: 36,416,610 km (0.069 R)
• M28: 40,553,290 km (0.112 R)
• M29: 53,263,574 km (0.114 R)
• M30: 56,053,275 km (0.072 R)
• M31: 65,790,600 km (0.048 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 11,272 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit