🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.7

Radius: 9.1

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.47 AU - 1.77 AU

Year: 1353 Days

Day: 9.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,349,455 km

• M1: 113,096 km (0.102 R)
• M2: 421,417 km (0.102 R)
• M3: 952,789 km (0.119 R)
• M4: 1,326,784 km (0.089 R)
• M5: 1,660,985 km (0.062 R)
• M6: 1,953,599 km (0.095 R)
• M7: 2,502,473 km (0.099 R)
• M8: 3,150,980 km (0.064 R)
• M9: 4,526,383 km (0.113 R)
• M10: 5,230,540 km (0.067 R)
• M11: 5,731,693 km (0.107 R)
• M12: 6,312,432 km (0.093 R)
• M13: 6,855,622 km (0.107 R)
• M14: 8,091,749 km (0.089 R)
• M15: 8,495,813 km (0.087 R)
• M16: 9,035,263 km (0.087 R)
• M17: 9,470,293 km (0.089 R)
• M18: 10,083,196 km (0.098 R)
• M19: 10,517,628 km (0.095 R)
• M20: 10,894,914 km (0.105 R)
• M21: 11,495,699 km (0.115 R)
• M22: 12,305,771 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.6

Radius: 11.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.55 AU - 1.99 AU

Year: 1545 Days

Day: 5.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,349,455 km

• M1: 143,016 km (0.111 R)
• M2: 510,727 km (0.07 R)
• M3: 883,076 km (0.109 R)
• M4: 1,354,609 km (0.12 R)
• M5: 1,925,025 km (0.088 R)
• M6: 3,061,221 km (0.109 R)
• M7: 3,500,740 km (0.11 R)
• M8: 4,181,260 km (0.09 R)
• M9: 5,013,324 km (0.102 R)
• M10: 5,662,579 km (0.091 R)
• M11: 6,195,297 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639

Radius: 10.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.71 AU - 2.27 AU

Year: 1842 Days

Day: 11.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,349,455 km

• M1: 135,536 km (0.069 R)
• M2: 494,421 km (0.109 R)
• M3: 842,386 km (0.078 R)
• M4: 1,415,345 km (0.098 R)
• M5: 1,817,913 km (0.098 R)
• M6: 2,554,384 km (0.079 R)
• M7: 2,947,377 km (0.097 R)
• M8: 3,892,387 km (0.04 R)
• M9: 4,838,893 km (0.063 R)
• M10: 5,627,274 km (0.118 R)
• M11: 6,028,495 km (0.084 R)
• M12: 6,499,279 km (0.112 R)
• M13: 8,179,413 km (0.107 R)
• M14: 9,460,420 km (0.077 R)
• M15: 10,409,169 km (0.046 R)
• M16: 11,382,902 km (0.114 R)
• M17: 12,377,129 km (0.111 R)
• M18: 13,847,826 km (0.115 R)
• M19: 14,450,257 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.5

Radius: 10.7

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.76 AU - 2.86 AU

Year: 2303 Days

Day: 7.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 91 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,349,455 km

• M1: 133,142 km (0.086 R)
• M2: 487,689 km (0.035 R)
• M3: 1,384,229 km (0.076 R)
• M4: 2,855,075 km (0.099 R)
• M5: 3,414,871 km (0.086 R)
• M6: 3,815,045 km (0.039 R)
• M7: 4,887,362 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 12.5

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.4 AU - 2.42 AU

Year: 2454 Days

Day: 5.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,349,455 km

• M1: 156,779 km (0.07 R)
• M2: 772,224 km (0.066 R)
• M3: 1,231,041 km (0.082 R)
• M4: 1,897,499 km (0.111 R)
• M5: 2,381,449 km (0.119 R)
• M6: 3,106,998 km (0.069 R)
• M7: 3,975,115 km (0.109 R)
• M8: 4,393,989 km (0.111 R)
• M9: 4,998,514 km (0.104 R)
• M10: 7,683,496 km (0.107 R)
• M11: 8,083,970 km (0.096 R)
• M12: 8,661,567 km (0.101 R)
• M13: 9,266,541 km (0.075 R)
• M14: 10,941,289 km (0.106 R)
• M15: 11,850,695 km (0.117 R)
• M16: 13,551,323 km (0.066 R)
• M17: 14,000,865 km (0.07 R)
• M18: 16,098,227 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.7

Radius: 11.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.09 AU - 3.69 AU

Year: 4095 Days

Day: 13.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,349,455 km

• M1: 145,559 km (0.093 R)
• M2: 576,999 km (0.069 R)
• M3: 1,503,907 km (0.073 R)
• M4: 2,175,303 km (0.065 R)
• M5: 2,557,675 km (0.104 R)
• M6: 3,384,502 km (0.117 R)
• M7: 4,518,753 km (0.115 R)
• M8: 5,097,996 km (0.115 R)
• M9: 5,891,015 km (0.082 R)
• M10: 6,288,496 km (0.113 R)
• M11: 6,703,780 km (0.07 R)
• M12: 8,164,753 km (0.112 R)
• M13: 9,986,107 km (0.098 R)
• M14: 12,754,415 km (0.105 R)
• M15: 13,913,200 km (0.115 R)
• M16: 14,416,148 km (0.081 R)
• M17: 15,193,459 km (0.082 R)
• M18: 18,046,590 km (0.12 R)
• M19: 18,524,405 km (0.061 R)
• M20: 20,136,173 km (0.026 R)
• M21: 21,239,307 km (0.082 R)
• M22: 23,921,747 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524

Radius: 9.6

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.16 AU - 4.74 AU

Year: 6158 Days

Day: 11.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,349,455 km

• M1: 123,119 km (0.114 R)
• M2: 489,185 km (0.038 R)
• M3: 906,413 km (0.041 R)
• M4: 1,255,425 km (0.095 R)
• M5: 1,656,497 km (0.08 R)
• M6: 2,428,123 km (0.102 R)
• M7: 2,757,388 km (0.059 R)
• M8: 8,881,027 km (0.103 R)
• M9: 12,066,415 km (0.062 R)
• M10: 13,085,475 km (0.06 R)
• M11: 16,487,181 km (0.117 R)
• M12: 17,740,811 km (0.104 R)
• M13: 19,464,329 km (0.065 R)
• M14: 25,875,644 km (0.105 R)
• M15: 30,513,777 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.5

Radius: 11.7

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.05 AU - 5.07 AU

Year: 6388 Days

Day: 13.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,349,455 km

• M1: 145,559 km (0.079 R)
• M2: 600,336 km (0.116 R)
• M3: 965,355 km (0.071 R)
• M4: 1,359,845 km (0.088 R)
• M5: 1,863,840 km (0.056 R)
• M6: 2,371,874 km (0.115 R)
• M7: 2,742,129 km (0.067 R)
• M8: 3,339,324 km (0.119 R)
• M9: 3,901,812 km (0.11 R)
• M10: 4,422,263 km (0.092 R)
• M11: 5,130,758 km (0.086 R)
• M12: 5,664,374 km (0.079 R)
• M13: 7,417,212 km (0.118 R)
• M14: 7,906,846 km (0.076 R)
• M15: 8,743,547 km (0.093 R)
• M16: 11,410,877 km (0.108 R)
• M17: 12,322,526 km (0.095 R)
• M18: 13,172,990 km (0.066 R)
• M19: 13,724,109 km (0.072 R)
• M20: 15,229,362 km (0.025 R)
• M21: 15,652,874 km (0.119 R)
• M22: 16,906,205 km (0.1 R)
• M23: 17,756,070 km (0.094 R)
• M24: 18,565,694 km (0.077 R)
• M25: 19,611,982 km (0.106 R)
• M26: 20,331,248 km (0.096 R)
• M27: 21,745,995 km (0.027 R)
• M28: 22,987,358 km (0.071 R)
• M29: 27,348,735 km (0.093 R)
• M30: 30,385,721 km (0.089 R)
• M31: 31,936,153 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 11.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.44 AU - 5.44 AU

Year: 7203 Days

Day: 7.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,349,455 km

• M1: 144,661 km (0.11 R)
• M2: 590,463 km (0.091 R)
• M3: 1,310,926 km (0.063 R)
• M4: 1,929,065 km (0.065 R)
• M5: 2,360,954 km (0.097 R)
• M6: 2,749,609 km (0.084 R)
• M7: 3,770,465 km (0.092 R)
• M8: 6,355,965 km (0.067 R)
• M9: 8,818,196 km (0.107 R)
• M10: 10,131,516 km (0.041 R)
• M11: 11,775,596 km (0.032 R)
• M12: 15,486,521 km (0.039 R)
• M13: 17,391,500 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.8

Radius: 3.2

Gravity: 19.22 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 8.37 AU - 12.37 AU

Year: 21907 Days

Day: 23.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,349,455 km

• M1: 39,793 km (0.079 R)
• M2: 167,998 km (0.059 R)
• M3: 335,398 km (0.114 R)
• M4: 955,332 km (0.047 R)
• M5: 1,222,663 km (0.089 R)
• M6: 1,464,862 km (0.056 R)
• M7: 1,582,297 km (0.046 R)
• M8: 1,786,647 km (0.045 R)
• M9: 1,886,728 km (0.086 R)
• M10: 2,135,061 km (0.111 R)
• M11: 2,286,454 km (0.096 R)
• M12: 3,300,428 km (0.049 R)
• M13: 3,451,672 km (0.063 R)
• M14: 7,069,846 km (0.117 R)
• M15: 16,001,736 km (0.072 R)
• M16: 17,024,836 km (0.057 R)
• M17: 18,482,219 km (0.099 R)
• M18: 19,607,793 km (0.065 R)
• M19: 23,165,380 km (0.105 R)
• M20: 23,349,236 km (0.117 R)
• M21: 25,337,990 km (0.087 R)
• M22: 28,475,805 km (0.082 R)
• M23: 29,004,933 km (0.098 R)
• M24: 29,540,643 km (0.061 R)
• M25: 30,192,291 km (0.111 R)
• M26: 38,902,477 km (0.104 R)
• M27: 41,958,762 km (0.092 R)
• M28: 42,781,550 km (0.055 R)
• M29: 43,895,306 km (0.082 R)
• M30: 45,171,227 km (0.052 R)
• M31: 45,746,131 km (0.11 R)
• M32: 46,910,601 km (0.086 R)
• M33: 47,796,819 km (0.086 R)
• M34: 48,094,668 km (0.114 R)
• M35: 53,189,673 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 15,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit