🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 10.3

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.58 AU - 0.86 AU

Year: 407 Days

Day: 6.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,186,501 km

• M1: 128,056 km (0.073 R)
• M2: 566,527 km (0.05 R)
• M3: 1,050,626 km (0.078 R)
• M4: 1,435,990 km (0.069 R)
• M5: 2,027,650 km (0.073 R)
• M6: 2,501,276 km (0.106 R)
• M7: 2,857,170 km (0.064 R)
• M8: 3,490,717 km (0.059 R)
• M9: 3,834,941 km (0.085 R)
• M10: 4,606,717 km (0.09 R)
• M11: 5,366,076 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.2

Radius: 11

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.62 AU - 0.92 AU

Year: 451 Days

Day: 10.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,186,501 km

• M1: 136,882 km (0.103 R)
• M2: 536,159 km (0.086 R)
• M3: 1,000,211 km (0.114 R)
• M4: 1,370,915 km (0.117 R)
• M5: 1,909,318 km (0.116 R)
• M6: 2,267,754 km (0.066 R)
• M7: 2,619,608 km (0.092 R)
• M8: 3,094,133 km (0.12 R)
• M9: 3,476,804 km (0.118 R)
• M10: 3,936,668 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.5

Radius: 13.9

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.88 AU - 1.02 AU

Year: 617 Days

Day: 12 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,186,501 km

• M1: 174,581 km (0.107 R)
• M2: 622,477 km (0.115 R)
• M3: 1,184,965 km (0.057 R)
• M4: 1,915,152 km (0.098 R)
• M5: 2,520,275 km (0.095 R)
• M6: 3,106,699 km (0.078 R)
• M7: 4,826,177 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.5

Radius: 12.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.6 AU - 2.04 AU

Year: 1637 Days

Day: 13.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,186,501 km

• M1: 158,723 km (0.117 R)
• M2: 603,927 km (0.085 R)
• M3: 1,065,735 km (0.095 R)
• M4: 1,545,944 km (0.063 R)
• M5: 1,951,953 km (0.071 R)
• M6: 2,430,068 km (0.103 R)
• M7: 3,124,202 km (0.061 R)
• M8: 3,913,929 km (0.089 R)
• M9: 4,374,092 km (0.113 R)
• M10: 6,289,543 km (0.088 R)
• M11: 7,782,680 km (0.058 R)
• M12: 8,403,062 km (0.116 R)
• M13: 8,998,162 km (0.097 R)
• M14: 10,920,495 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.6

Radius: 8.1

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.1 AU - 3.22 AU

Year: 2893 Days

Day: 12.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,186,501 km

• M1: 100,679 km (0.047 R)
• M2: 422,016 km (0.059 R)
• M3: 684,709 km (0.111 R)
• M4: 1,013,526 km (0.058 R)
• M5: 1,289,982 km (0.082 R)
• M6: 1,584,391 km (0.081 R)
• M7: 4,040,938 km (0.112 R)
• M8: 4,890,654 km (0.085 R)
• M9: 5,383,279 km (0.074 R)
• M10: 6,700,638 km (0.114 R)
• M11: 7,308,604 km (0.07 R)
• M12: 8,019,194 km (0.106 R)
• M13: 9,280,304 km (0.113 R)
• M14: 10,467,812 km (0.062 R)
• M15: 10,871,726 km (0.103 R)
• M16: 11,244,075 km (0.094 R)
• M17: 11,582,166 km (0.091 R)
• M18: 12,412,285 km (0.12 R)
• M19: 12,864,968 km (0.113 R)
• M20: 13,188,249 km (0.094 R)
• M21: 13,851,117 km (0.061 R)
• M22: 14,387,426 km (0.116 R)
• M23: 15,192,113 km (0.116 R)
• M24: 17,056,551 km (0.114 R)
• M25: 18,072,620 km (0.105 R)
• M26: 19,009,102 km (0.055 R)
• M27: 20,599,178 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.2

Radius: 13.8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.65 AU - 3.87 AU

Year: 4862 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 172.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,186,501 km

• M1: 204,949 km (0.094 R)
• M2: 651,948 km (0.107 R)
• M3: 1,229,395 km (0.094 R)
• M4: 1,819,260 km (0.056 R)
• M5: 2,664,787 km (0.115 R)
• M6: 3,108,195 km (0.115 R)
• M7: 3,759,245 km (0.075 R)
• M8: 4,281,641 km (0.104 R)
• M9: 4,981,310 km (0.116 R)
• M10: 6,023,708 km (0.065 R)
• M11: 7,779,837 km (0.106 R)
• M12: 8,760,451 km (0.088 R)
• M13: 9,414,194 km (0.077 R)
• M14: 13,057,800 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 11

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.61 AU - 5.91 AU

Year: 6925 Days

Day: 6.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 30,186,501 km

• M1: 139,126 km (0.102 R)
• M2: 502,200 km (0.118 R)
• M3: 1,223,711 km (0.112 R)
• M4: 1,687,763 km (0.084 R)
• M5: 2,605,845 km (0.057 R)
• M6: 3,187,482 km (0.078 R)
• M7: 3,544,273 km (0.094 R)
• M8: 4,286,278 km (0.077 R)
• M9: 4,807,776 km (0.114 R)
• M10: 6,078,311 km (0.072 R)
• M11: 8,365,363 km (0.117 R)
• M12: 8,788,725 km (0.109 R)
• M13: 9,360,488 km (0.095 R)
• M14: 9,910,111 km (0.103 R)
• M15: 13,441,069 km (0.088 R)
• M16: 15,299,075 km (0.101 R)
• M17: 16,257,100 km (0.103 R)
• M18: 16,651,290 km (0.094 R)
• M19: 19,007,157 km (0.096 R)
• M20: 19,666,286 km (0.079 R)
• M21: 23,027,600 km (0.118 R)
• M22: 24,974,018 km (0.12 R)
• M23: 26,936,443 km (0.113 R)
• M24: 28,143,099 km (0.113 R)
• M25: 29,288,720 km (0.114 R)
• M26: 30,564,491 km (0.107 R)
• M27: 31,877,062 km (0.112 R)
• M28: 34,290,674 km (0.072 R)
• M29: 35,928,921 km (0.117 R)
• M30: 36,374,423 km (0.103 R)
• M31: 37,733,221 km (0.097 R)
• M32: 39,243,112 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.7

Radius: 11.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.64 AU - 5.28 AU

Year: 7366 Days

Day: 8.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,186,501 km

• M1: 154,983 km (0.119 R)
• M2: 522,695 km (0.116 R)
• M3: 967,300 km (0.091 R)
• M4: 1,565,691 km (0.056 R)
• M5: 2,017,477 km (0.05 R)
• M6: 2,383,244 km (0.054 R)
• M7: 3,335,883 km (0.063 R)
• M8: 4,117,681 km (0.072 R)
• M9: 4,605,670 km (0.099 R)
• M10: 4,961,563 km (0.106 R)
• M11: 6,141,441 km (0.059 R)
• M12: 7,763,531 km (0.107 R)
• M13: 9,133,997 km (0.082 R)
• M14: 9,522,503 km (0.044 R)
• M15: 11,139,207 km (0.09 R)
• M16: 12,664,507 km (0.091 R)
• M17: 13,812,222 km (0.097 R)
• M18: 16,951,234 km (0.065 R)
• M19: 18,073,068 km (0.088 R)
• M20: 19,313,983 km (0.114 R)
• M21: 21,583,083 km (0.115 R)
• M22: 23,942,990 km (0.068 R)
• M23: 24,933,477 km (0.082 R)
• M24: 26,123,229 km (0.051 R)
• M25: 33,658,474 km (0.085 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122

Radius: 12.7

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.2 AU - 5.44 AU

Year: 8183 Days

Day: 5.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,186,501 km

• M1: 159,621 km (0.095 R)
• M2: 609,013 km (0.117 R)
• M3: 1,433,746 km (0.064 R)
• M4: 2,591,035 km (0.066 R)
• M5: 3,972,571 km (0.114 R)
• M6: 4,384,714 km (0.104 R)
• M7: 6,045,848 km (0.054 R)
• M8: 9,125,620 km (0.054 R)
• M9: 10,815,328 km (0.097 R)
• M10: 13,126,764 km (0.047 R)
• M11: 15,273,045 km (0.084 R)
• M12: 16,457,411 km (0.071 R)
• M13: 17,471,087 km (0.055 R)
• M14: 18,645,879 km (0.104 R)
• M15: 19,622,902 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.8

Radius: 7.8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.71 AU - 9.15 AU

Year: 13506 Days

Day: 16.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,186,501 km

• M1: 96,939 km (0.053 R)
• M2: 348,713 km (0.056 R)
• M3: 959,072 km (0.056 R)
• M4: 2,439,642 km (0.081 R)
• M5: 2,730,760 km (0.07 R)
• M6: 5,268,837 km (0.072 R)
• M7: 6,435,252 km (0.114 R)
• M8: 12,588,960 km (0.114 R)
• M9: 21,668,653 km (0.028 R)
• M10: 22,105,479 km (0.066 R)
• M11: 22,696,839 km (0.104 R)
• M12: 24,066,258 km (0.053 R)
• M13: 24,534,649 km (0.081 R)
• M14: 26,304,542 km (0.119 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: 298 - 16,827 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit