🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43

Radius: 9.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.42 AU - 0.62 AU

Year: 254 Days

Day: 10.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 57,271,970 km

• M1: 119,379 km (0.112 R)
• M2: 625,768 km (0.081 R)
• M3: 1,122,134 km (0.1 R)
• M4: 1,615,657 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.5

Radius: 11.1

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.74 AU - 0.77 AU

Year: 441 Days

Day: 7.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,271,970 km

• M1: 138,079 km (0.062 R)
• M2: 549,623 km (0.107 R)
• M3: 1,056,011 km (0.092 R)
• M4: 1,418,487 km (0.064 R)
• M5: 1,796,371 km (0.092 R)
• M6: 3,038,782 km (0.098 R)
• M7: 4,015,057 km (0.113 R)
• M8: 4,532,217 km (0.11 R)
• M9: 4,921,920 km (0.062 R)
• M10: 5,531,980 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.1

Radius: 12.1

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.77 AU - 1.11 AU

Year: 618 Days

Day: 13.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,271,970 km

• M1: 150,495 km (0.098 R)
• M2: 556,354 km (0.093 R)
• M3: 954,434 km (0.065 R)
• M4: 1,481,468 km (0.095 R)
• M5: 2,080,158 km (0.095 R)
• M6: 2,544,660 km (0.077 R)
• M7: 3,090,094 km (0.09 R)
• M8: 3,500,590 km (0.102 R)
• M9: 4,090,455 km (0.046 R)
• M10: 4,842,782 km (0.087 R)
• M11: 5,905,825 km (0.054 R)
• M12: 6,364,492 km (0.078 R)
• M13: 6,785,311 km (0.099 R)
• M14: 7,310,549 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.3

Radius: 10.8

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.97 AU - 6.37 AU

Year: 7973 Days

Day: 10.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,271,970 km

• M1: 134,339 km (0.081 R)
• M2: 541,694 km (0.069 R)
• M3: 992,133 km (0.105 R)
• M4: 2,357,662 km (0.113 R)
• M5: 2,752,451 km (0.119 R)
• M6: 3,556,989 km (0.082 R)
• M7: 3,899,867 km (0.056 R)
• M8: 4,400,721 km (0.1 R)
• M9: 7,698,157 km (0.06 R)
• M10: 8,107,756 km (0.048 R)
• M11: 9,105,125 km (0.07 R)
• M12: 10,133,909 km (0.08 R)
• M13: 12,645,209 km (0.049 R)
• M14: 16,401,163 km (0.107 R)
• M15: 20,141,857 km (0.112 R)
• M16: 20,529,017 km (0.075 R)
• M17: 21,079,537 km (0.106 R)
• M18: 28,963,793 km (0.117 R)
• M19: 30,563,294 km (0.077 R)
• M20: 34,156,186 km (0.057 R)
• M21: 35,827,344 km (0.109 R)
• M22: 37,552,207 km (0.104 R)
• M23: 39,211,547 km (0.094 R)
• M24: 41,665,849 km (0.12 R)
• M25: 42,042,686 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.3

Radius: 5.9

Gravity: 25.17 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.21 AU - 6.99 AU

Year: 10218 Days

Day: 24.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,271,970 km

• M1: 77,043 km (0.086 R)
• M2: 401,820 km (0.057 R)
• M3: 619,485 km (0.05 R)
• M4: 896,989 km (0.109 R)
• M5: 1,306,588 km (0.097 R)
• M6: 1,613,563 km (0.095 R)
• M7: 2,392,220 km (0.061 R)
• M8: 2,743,625 km (0.046 R)
• M9: 3,601,270 km (0.119 R)
• M10: 3,813,998 km (0.084 R)
• M11: 4,006,979 km (0.107 R)
• M12: 5,137,939 km (0.113 R)
• M13: 5,373,705 km (0.115 R)
• M14: 8,939,969 km (0.069 R)
• M15: 10,573,129 km (0.074 R)
• M16: 10,845,098 km (0.11 R)
• M17: 12,335,541 km (0.091 R)
• M18: 12,759,053 km (0.097 R)
• M19: 13,827,780 km (0.116 R)
• M20: 14,350,924 km (0.07 R)
• M21: 14,887,083 km (0.09 R)
• M22: 16,869,254 km (0.092 R)
• M23: 18,077,556 km (0.104 R)
• M24: 19,100,806 km (0.099 R)
• M25: 22,850,925 km (0.116 R)
• M26: 32,333,336 km (0.102 R)
• M27: 34,191,790 km (0.114 R)
• M28: 37,361,769 km (0.12 R)
• M29: 44,278,875 km (0.097 R)
• M30: 45,700,055 km (0.07 R)
• M31: 48,334,623 km (0.101 R)
• M32: 48,633,520 km (0.097 R)

Asteroid Belt

Center: 7.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.9

Radius: 4.1

Gravity: 32.18 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.32 AU - 8.62 AU

Year: 15261 Days

Day: 21.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,271,970 km

• M1: 135,685 km (0.067 R)
• M2: 387,458 km (0.112 R)
• M3: 634,145 km (0.076 R)
• M4: 967,749 km (0.077 R)
• M5: 1,271,283 km (0.077 R)
• M6: 1,423,573 km (0.101 R)
• M7: 1,765,404 km (0.1 R)
• M8: 1,937,741 km (0.112 R)
• M9: 2,398,054 km (0.072 R)
• M10: 3,862,767 km (0.079 R)
• M11: 4,006,829 km (0.07 R)
• M12: 4,275,058 km (0.086 R)
• M13: 5,651,209 km (0.078 R)
• M14: 6,580,511 km (0.07 R)
• M15: 7,297,683 km (0.034 R)
• M16: 10,245,210 km (0.083 R)
• M17: 10,521,667 km (0.091 R)
• M18: 11,858,174 km (0.082 R)
• M19: 16,388,596 km (0.042 R)
• M20: 18,016,072 km (0.112 R)
• M21: 20,436,266 km (0.116 R)
• M22: 21,951,244 km (0.041 R)
• M23: 22,318,207 km (0.093 R)
• M24: 22,596,160 km (0.044 R)
• M25: 24,312,646 km (0.113 R)
• M26: 31,697,395 km (0.092 R)
• M27: 34,703,714 km (0.091 R)
• M28: 36,595,678 km (0.086 R)
• M29: 40,172,563 km (0.076 R)
• M30: 42,115,840 km (0.117 R)
• M31: 43,686,019 km (0.117 R)
• M32: 44,266,608 km (0.037 R)
• M33: 50,835,301 km (0.094 R)
• M34: 55,106,320 km (0.047 R)
• M35: 56,295,624 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.3

Radius: 5.7

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.05 AU - 10.89 AU

Year: 21352 Days

Day: 24.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,271,970 km

• M1: 71,059 km (0.031 R)
• M2: 528,529 km (0.1 R)
• M3: 722,408 km (0.075 R)
• M4: 1,076,207 km (0.064 R)
• M5: 1,367,325 km (0.054 R)
• M6: 2,071,033 km (0.12 R)
• M7: 3,160,255 km (0.112 R)
• M8: 3,386,297 km (0.112 R)
• M9: 3,927,393 km (0.055 R)
• M10: 5,602,440 km (0.097 R)
• M11: 5,971,797 km (0.095 R)
• M12: 7,221,089 km (0.116 R)
• M13: 7,838,629 km (0.083 R)
• M14: 10,832,232 km (0.03 R)
• M15: 13,769,586 km (0.099 R)
• M16: 15,491,458 km (0.076 R)
• M17: 19,356,468 km (0.101 R)
• M18: 19,944,239 km (0.106 R)
• M19: 20,457,359 km (0.099 R)
• M20: 21,959,322 km (0.107 R)
• M21: 22,140,634 km (0.075 R)
• M22: 22,598,554 km (0.057 R)
• M23: 23,062,756 km (0.082 R)
• M24: 23,344,299 km (0.111 R)
• M25: 26,083,436 km (0.094 R)
• M26: 27,635,514 km (0.104 R)
• M27: 31,609,731 km (0.108 R)
• M28: 33,974,125 km (0.107 R)
• M29: 37,220,848 km (0.049 R)
• M30: 42,188,844 km (0.105 R)
• M31: 48,804,510 km (0.069 R)
• M32: 54,570,012 km (0.07 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: 258 - 13,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit