🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.5

Radius: 9.5

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.35 AU - 1.55 AU

Year: 1184 Days

Day: 8.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,426,413 km

• M1: 118,182 km (0.118 R)
• M2: 451,786 km (0.097 R)
• M3: 751,281 km (0.075 R)
• M4: 1,210,696 km (0.059 R)
• M5: 1,610,571 km (0.101 R)
• M6: 1,971,850 km (0.03 R)
• M7: 2,475,097 km (0.112 R)
• M8: 3,036,238 km (0.113 R)
• M9: 3,521,534 km (0.078 R)
• M10: 4,152,687 km (0.054 R)
• M11: 5,313,118 km (0.061 R)
• M12: 6,546,403 km (0.105 R)
• M13: 7,523,875 km (0.102 R)
• M14: 8,010,368 km (0.093 R)
• M15: 8,647,954 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.4

Radius: 12

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.36 AU - 1.96 AU

Year: 1451 Days

Day: 12.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 99.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,426,413 km

• M1: 149,299 km (0.045 R)
• M2: 610,359 km (0.113 R)
• M3: 1,929,663 km (0.056 R)
• M4: 2,555,132 km (0.073 R)
• M5: 2,937,953 km (0.078 R)
• M6: 3,552,201 km (0.102 R)
• M7: 3,978,555 km (0.076 R)
• M8: 5,059,699 km (0.091 R)
• M9: 5,898,494 km (0.074 R)
• M10: 6,425,229 km (0.045 R)
• M11: 6,983,079 km (0.07 R)
• M12: 7,852,243 km (0.116 R)
• M13: 8,700,911 km (0.117 R)
• M14: 10,204,968 km (0.069 R)
• M15: 13,233,428 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.5

Radius: 11.3

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.11 AU - 2.43 AU

Year: 2320 Days

Day: 11.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,426,413 km

• M1: 140,472 km (0.103 R)
• M2: 518,506 km (0.085 R)
• M3: 1,043,894 km (0.058 R)
• M4: 1,534,126 km (0.105 R)
• M5: 1,936,245 km (0.042 R)
• M6: 2,422,438 km (0.117 R)
• M7: 2,896,664 km (0.115 R)
• M8: 3,770,315 km (0.117 R)
• M9: 4,492,873 km (0.059 R)
• M10: 5,144,820 km (0.1 R)
• M11: 6,162,235 km (0.032 R)
• M12: 6,773,792 km (0.097 R)
• M13: 7,194,012 km (0.036 R)
• M14: 7,721,344 km (0.097 R)
• M15: 8,560,589 km (0.109 R)
• M16: 10,568,342 km (0.094 R)
• M17: 10,943,832 km (0.076 R)
• M18: 12,577,740 km (0.046 R)
• M19: 14,051,279 km (0.082 R)
• M20: 16,523,234 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.9

Radius: 9.8

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.73 AU - 3.17 AU

Year: 3437 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 131.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,426,413 km

• M1: 121,922 km (0.092 R)
• M2: 429,495 km (0.104 R)
• M3: 739,911 km (0.107 R)
• M4: 1,294,770 km (0.118 R)
• M5: 1,609,224 km (0.086 R)
• M6: 2,179,342 km (0.115 R)
• M7: 2,845,052 km (0.106 R)
• M8: 3,291,153 km (0.062 R)
• M9: 3,701,500 km (0.101 R)
• M10: 5,091,115 km (0.086 R)
• M11: 5,806,193 km (0.08 R)
• M12: 6,289,992 km (0.067 R)
• M13: 6,738,935 km (0.12 R)
• M14: 7,370,687 km (0.097 R)
• M15: 7,701,149 km (0.107 R)
• M16: 9,660,133 km (0.073 R)
• M17: 10,671,265 km (0.101 R)
• M18: 16,978,461 km (0.076 R)
• M19: 22,316,861 km (0.053 R)
• M20: 22,661,833 km (0.068 R)
• M21: 24,222,289 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731

Radius: 8.4

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.33 AU - 4.51 AU

Year: 5264 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,426,413 km

• M1: 104,419 km (0.059 R)
• M2: 528,230 km (0.095 R)
• M3: 833,559 km (0.096 R)
• M4: 1,422,975 km (0.106 R)
• M5: 2,282,116 km (0.07 R)
• M6: 2,871,681 km (0.114 R)
• M7: 3,202,591 km (0.054 R)
• M8: 3,515,700 km (0.098 R)
• M9: 3,803,526 km (0.094 R)
• M10: 4,326,670 km (0.082 R)
• M11: 4,897,086 km (0.117 R)
• M12: 5,784,650 km (0.11 R)
• M13: 8,292,958 km (0.067 R)
• M14: 9,008,036 km (0.119 R)
• M15: 9,507,244 km (0.057 R)
• M16: 9,980,871 km (0.093 R)
• M17: 10,651,967 km (0.113 R)
• M18: 11,210,266 km (0.109 R)
• M19: 12,084,067 km (0.113 R)
• M20: 12,691,435 km (0.079 R)
• M21: 13,966,906 km (0.032 R)
• M22: 15,093,378 km (0.115 R)
• M23: 15,560,572 km (0.1 R)
• M24: 18,042,401 km (0.091 R)
• M25: 18,635,257 km (0.084 R)
• M26: 19,514,294 km (0.043 R)
• M27: 20,420,708 km (0.099 R)
• M28: 22,018,114 km (0.103 R)
• M29: 22,317,310 km (0.096 R)
• M30: 24,648,194 km (0.106 R)
• M31: 29,515,510 km (0.062 R)
• M32: 30,895,251 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.3

Radius: 13.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.07 AU - 5.19 AU

Year: 6757 Days

Day: 10.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,426,413 km

• M1: 169,195 km (0.102 R)
• M2: 601,084 km (0.093 R)
• M3: 1,407,118 km (0.117 R)
• M4: 2,740,334 km (0.107 R)
• M5: 3,753,560 km (0.096 R)
• M6: 5,695,490 km (0.1 R)
• M7: 6,325,746 km (0.097 R)
• M8: 7,833,543 km (0.096 R)
• M9: 8,925,159 km (0.12 R)
• M10: 11,409,680 km (0.081 R)
• M11: 13,013,220 km (0.101 R)
• M12: 14,873,320 km (0.075 R)
• M13: 19,247,112 km (0.081 R)
• M14: 20,324,217 km (0.113 R)
• M15: 21,299,296 km (0.082 R)
• M16: 23,493,598 km (0.091 R)
• M17: 25,195,722 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.7

Radius: 14.2

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.73 AU - 5.83 AU

Year: 7088 Days

Day: 9 Hours

Environment

Temp: -223 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,426,413 km

• M1: 176,675 km (0.071 R)
• M2: 855,999 km (0.037 R)
• M3: 1,906,326 km (0.078 R)
• M4: 2,748,861 km (0.077 R)
• M5: 3,764,032 km (0.106 R)
• M6: 4,300,191 km (0.097 R)
• M7: 5,527,641 km (0.085 R)
• M8: 7,342,712 km (0.079 R)
• M9: 9,649,362 km (0.12 R)
• M10: 15,817,880 km (0.049 R)
• M11: 18,837,513 km (0.083 R)
• M12: 20,146,644 km (0.077 R)
• M13: 20,686,842 km (0.099 R)
• M14: 21,306,327 km (0.112 R)
• M15: 23,535,036 km (0.081 R)
• M16: 27,122,842 km (0.101 R)
• M17: 27,948,473 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.2

Radius: 5.9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.65 AU - 9.15 AU

Year: 13653 Days

Day: 17.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 69,426,413 km

• M1: 73,453 km (0.074 R)
• M2: 281,992 km (0.107 R)
• M3: 822,040 km (0.115 R)
• M4: 7,644,750 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.9

Radius: 4.6

Gravity: 42.72 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.08 AU - 9.8 AU

Year: 15175 Days

Day: 17.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,426,413 km

• M1: 57,146 km (0.116 R)
• M2: 235,617 km (0.081 R)
• M3: 448,494 km (0.103 R)
• M4: 879,336 km (0.105 R)
• M5: 1,276,369 km (0.05 R)
• M6: 1,856,210 km (0.111 R)
• M7: 2,225,418 km (0.088 R)
• M8: 2,438,595 km (0.075 R)
• M9: 2,665,236 km (0.104 R)
• M10: 3,375,227 km (0.107 R)
• M11: 3,599,474 km (0.098 R)
• M12: 4,203,850 km (0.095 R)
• M13: 4,768,582 km (0.117 R)
• M14: 7,351,688 km (0.086 R)
• M15: 7,538,685 km (0.074 R)
• M16: 8,676,377 km (0.113 R)
• M17: 10,095,164 km (0.091 R)
• M18: 10,326,292 km (0.109 R)
• M19: 11,041,220 km (0.114 R)
• M20: 12,370,547 km (0.076 R)
• M21: 13,313,911 km (0.08 R)
• M22: 14,966,220 km (0.067 R)
• M23: 15,342,608 km (0.117 R)
• M24: 15,880,263 km (0.106 R)
• M25: 16,993,121 km (0.11 R)
• M26: 18,758,227 km (0.057 R)
• M27: 18,932,359 km (0.094 R)
• M28: 20,000,637 km (0.083 R)
• M29: 23,044,355 km (0.026 R)
• M30: 24,571,749 km (0.12 R)
• M31: 25,626,863 km (0.087 R)
• M32: 26,601,793 km (0.101 R)
• M33: 30,870,717 km (0.112 R)
• M34: 32,976,457 km (0.114 R)
• M35: 35,841,256 km (0.084 R)
• M36: 44,026,205 km (0.102 R)
• M37: 46,052,807 km (0.062 R)
• M38: 69,426,427 km (0.053 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: 161 - 10,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit