🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.2

Radius: 12.2

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.51 AU - 0.65 AU

Year: 300 Days

Day: 8.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,413,464 km

• M1: 151,692 km (0.086 R)
• M2: 555,307 km (0.058 R)
• M3: 979,268 km (0.116 R)
• M4: 1,434,793 km (0.119 R)
• M5: 2,776,536 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.4

Radius: 14

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.82 AU - 1.34 AU

Year: 761 Days

Day: 14.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,413,464 km

• M1: 174,132 km (0.036 R)
• M2: 645,216 km (0.085 R)
• M3: 1,198,279 km (0.12 R)
• M4: 1,856,510 km (0.077 R)
• M5: 2,507,859 km (0.097 R)
• M6: 3,214,709 km (0.073 R)
• M7: 3,747,726 km (0.111 R)
• M8: 4,539,248 km (0.104 R)
• M9: 5,306,984 km (0.119 R)
• M10: 5,772,084 km (0.108 R)
• M11: 6,456,495 km (0.079 R)
• M12: 7,125,047 km (0.037 R)
• M13: 7,668,536 km (0.07 R)
• M14: 8,163,705 km (0.037 R)
• M15: 9,081,638 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.4

Radius: 11.9

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.08 AU - 1.5 AU

Year: 994 Days

Day: 7 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,413,464 km

• M1: 148,102 km (0.099 R)
• M2: 541,544 km (0.107 R)
• M3: 972,087 km (0.08 R)
• M4: 1,590,674 km (0.107 R)
• M5: 2,009,997 km (0.055 R)
• M6: 2,385,936 km (0.096 R)
• M7: 3,002,579 km (0.066 R)
• M8: 3,457,356 km (0.108 R)
• M9: 3,913,331 km (0.107 R)
• M10: 5,195,684 km (0.032 R)
• M11: 5,835,215 km (0.092 R)
• M12: 6,297,322 km (0.058 R)
• M13: 7,618,720 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.2

Radius: 10.3

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.09 AU - 1.75 AU

Year: 1148 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,413,464 km

• M1: 128,056 km (0.032 R)
• M2: 486,941 km (0.117 R)
• M3: 845,228 km (0.109 R)
• M4: 1,293,124 km (0.049 R)
• M5: 1,967,810 km (0.112 R)
• M6: 3,239,542 km (0.099 R)
• M7: 4,145,656 km (0.115 R)
• M8: 4,574,404 km (0.091 R)
• M9: 5,334,510 km (0.059 R)
• M10: 5,997,079 km (0.064 R)
• M11: 7,616,177 km (0.117 R)
• M12: 8,096,835 km (0.115 R)
• M13: 9,971,745 km (0.074 R)
• M14: 10,385,383 km (0.096 R)
• M15: 10,910,173 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.2

Radius: 11.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.91 AU - 5.29 AU

Year: 6692 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,413,464 km

• M1: 138,079 km (0.096 R)
• M2: 525,089 km (0.073 R)
• M3: 1,180,626 km (0.115 R)
• M4: 1,775,876 km (0.08 R)
• M5: 2,235,890 km (0.108 R)
• M6: 2,632,474 km (0.026 R)
• M7: 2,979,690 km (0.102 R)
• M8: 3,462,293 km (0.098 R)
• M9: 3,835,390 km (0.093 R)
• M10: 4,235,415 km (0.083 R)
• M11: 5,092,312 km (0.075 R)
• M12: 6,377,806 km (0.04 R)
• M13: 8,322,878 km (0.103 R)
• M14: 10,185,969 km (0.027 R)
• M15: 11,573,340 km (0.072 R)
• M16: 12,616,785 km (0.052 R)
• M17: 14,049,185 km (0.059 R)
• M18: 15,943,692 km (0.073 R)
• M19: 17,361,132 km (0.104 R)
• M20: 18,067,982 km (0.113 R)
• M21: 20,729,478 km (0.099 R)
• M22: 21,893,349 km (0.032 R)
• M23: 22,642,685 km (0.12 R)
• M24: 24,271,656 km (0.114 R)
• M25: 25,074,249 km (0.036 R)
• M26: 28,374,378 km (0.05 R)
• M27: 28,817,487 km (0.077 R)
• M28: 29,808,273 km (0.102 R)
• M29: 30,266,192 km (0.065 R)
• M30: 31,196,093 km (0.099 R)
• M31: 31,668,074 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.9

Radius: 12.2

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.23 AU - 5.55 AU

Year: 8487 Days

Day: 5.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,413,464 km

• M1: 151,692 km (0.09 R)
• M2: 556,953 km (0.111 R)
• M3: 1,228,947 km (0.095 R)
• M4: 2,401,195 km (0.116 R)
• M5: 5,255,972 km (0.054 R)
• M6: 6,172,707 km (0.119 R)
• M7: 6,688,521 km (0.063 R)
• M8: 7,681,402 km (0.098 R)
• M9: 8,278,896 km (0.048 R)
• M10: 8,724,548 km (0.103 R)
• M11: 9,139,233 km (0.079 R)
• M12: 14,360,049 km (0.104 R)
• M13: 16,076,386 km (0.067 R)
• M14: 17,126,862 km (0.102 R)
• M15: 20,472,469 km (0.075 R)
• M16: 23,871,631 km (0.095 R)
• M17: 24,594,040 km (0.062 R)
• M18: 28,026,563 km (0.119 R)
• M19: 30,169,851 km (0.109 R)
• M20: 31,335,069 km (0.104 R)
• M21: 34,780,458 km (0.091 R)
• M22: 36,654,021 km (0.088 R)
• M23: 39,463,918 km (0.11 R)
• M24: 41,242,787 km (0.076 R)
• M25: 43,876,008 km (0.103 R)
• M26: 44,687,427 km (0.095 R)
• M27: 46,899,980 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.6

Radius: 4

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.26 AU - 7.2 AU

Year: 10547 Days

Day: 24 Hours

Environment

Temp: -219 °C

Axial Tilt: 146.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,413,464 km

• M1: 50,564 km (0.114 R)
• M2: 594,203 km (0.086 R)
• M3: 735,573 km (0.109 R)
• M4: 2,279,872 km (0.088 R)
• M5: 2,705,926 km (0.089 R)
• M6: 3,485,930 km (0.093 R)
• M7: 3,784,228 km (0.042 R)
• M8: 6,813,435 km (0.032 R)
• M9: 10,577,018 km (0.11 R)
• M10: 10,862,002 km (0.03 R)
• M11: 11,397,563 km (0.083 R)
• M12: 12,468,683 km (0.12 R)
• M13: 19,758,737 km (0.12 R)
• M14: 22,524,203 km (0.087 R)
• M15: 25,963,608 km (0.09 R)
• M16: 26,308,431 km (0.11 R)
• M17: 27,897,609 km (0.084 R)
• M18: 29,456,270 km (0.069 R)
• M19: 32,346,800 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.2

Radius: 4.6

Gravity: 27.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.67 AU - 8.69 AU

Year: 13049 Days

Day: 21.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,413,464 km

• M1: 57,146 km (0.114 R)
• M2: 322,683 km (0.115 R)
• M3: 564,882 km (0.101 R)
• M4: 785,688 km (0.11 R)
• M5: 1,144,573 km (0.112 R)
• M6: 1,946,567 km (0.106 R)
• M7: 2,394,015 km (0.116 R)
• M8: 3,836,288 km (0.053 R)
• M9: 4,948,548 km (0.06 R)
• M10: 5,180,873 km (0.109 R)
• M11: 5,739,322 km (0.109 R)
• M12: 6,221,925 km (0.098 R)
• M13: 7,787,467 km (0.068 R)
• M14: 10,117,154 km (0.09 R)
• M15: 11,268,460 km (0.086 R)
• M16: 11,497,195 km (0.07 R)
• M17: 11,670,878 km (0.098 R)
• M18: 12,811,412 km (0.082 R)
• M19: 13,827,930 km (0.1 R)
• M20: 14,557,219 km (0.101 R)
• M21: 15,103,401 km (0.111 R)
• M22: 15,876,672 km (0.062 R)
• M23: 16,382,313 km (0.111 R)
• M24: 17,198,370 km (0.105 R)
• M25: 19,892,029 km (0.091 R)
• M26: 20,734,714 km (0.116 R)
• M27: 22,221,567 km (0.106 R)
• M28: 23,312,883 km (0.111 R)
• M29: 25,016,205 km (0.062 R)
• M30: 28,351,190 km (0.084 R)
• M31: 32,660,207 km (0.081 R)
• M32: 33,125,457 km (0.098 R)
• M33: 37,133,333 km (0.101 R)
• M34: 41,724,641 km (0.032 R)
• M35: 42,272,319 km (0.108 R)
• M36: 48,767,410 km (0.058 R)
• M37: 50,605,369 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.6

Radius: 8

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 10.27 AU - 10.75 AU

Year: 23110 Days

Day: 24.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,413,464 km

• M1: 99,632 km (0.1 R)
• M2: 575,802 km (0.086 R)
• M3: 1,141,731 km (0.112 R)
• M4: 2,780,875 km (0.113 R)
• M5: 3,426,240 km (0.114 R)
• M6: 4,541,343 km (0.117 R)
• M7: 6,049,738 km (0.081 R)
• M8: 7,034,690 km (0.048 R)
• M9: 8,437,918 km (0.044 R)
• M10: 9,149,107 km (0.114 R)
• M11: 11,262,476 km (0.107 R)
• M12: 11,654,871 km (0.092 R)
• M13: 12,260,593 km (0.099 R)
• M14: 13,534,718 km (0.117 R)
• M15: 17,360,683 km (0.081 R)
• M16: 18,872,519 km (0.081 R)
• M17: 20,663,655 km (0.06 R)
• M18: 23,399,949 km (0.085 R)
• M19: 24,254,901 km (0.112 R)
• M20: 31,342,998 km (0.073 R)
• M21: 32,909,288 km (0.056 R)
• M22: 33,442,754 km (0.037 R)
• M23: 33,846,668 km (0.111 R)
• M24: 34,801,701 km (0.118 R)
• M25: 42,309,120 km (0.116 R)
• M26: 42,939,974 km (0.114 R)
• M27: 44,869,787 km (0.071 R)
• M28: 49,248,367 km (0.084 R)
• M29: 52,079,806 km (0.064 R)
• M30: 53,535,543 km (0.112 R)
• M31: 57,871,188 km (0.081 R)
• M32: 78,264,370 km (0.065 R)
• M33: 79,453,523 km (0.214 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 14,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit