🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.1

Radius: 8.7

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.78 AU - 0.9 AU

Year: 513 Days

Day: 8.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,112,848 km

• M1: 108,309 km (0.104 R)
• M2: 464,352 km (0.086 R)
• M3: 990,338 km (0.114 R)
• M4: 1,661,284 km (0.102 R)
• M5: 2,628,584 km (0.095 R)
• M6: 2,957,849 km (0.117 R)
• M7: 3,503,732 km (0.113 R)
• M8: 3,889,993 km (0.083 R)
• M9: 4,289,869 km (0.066 R)
• M10: 5,532,279 km (0.115 R)
• M11: 6,094,916 km (0.084 R)
• M12: 6,516,932 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.1

Radius: 10.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.15 AU - 1.85 AU

Year: 1225 Days

Day: 13.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 143.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,112,848 km

• M1: 134,937 km (0.111 R)
• M2: 597,195 km (0.086 R)
• M3: 947,254 km (0.118 R)
• M4: 1,970,054 km (0.102 R)
• M5: 3,197,804 km (0.111 R)
• M6: 3,615,481 km (0.07 R)
• M7: 4,019,994 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.4

Radius: 13.4

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.29 AU - 2.11 AU

Year: 1478 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 101.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,112,848 km

• M1: 166,652 km (0.113 R)
• M2: 752,028 km (0.028 R)
• M3: 2,726,571 km (0.091 R)
• M4: 3,276,642 km (0.119 R)
• M5: 5,353,360 km (0.059 R)
• M6: 6,019,220 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.8

Radius: 14.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.83 AU - 2.67 AU

Year: 2251 Days

Day: 7 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,112,848 km

• M1: 181,761 km (0.116 R)
• M2: 742,454 km (0.081 R)
• M3: 1,351,168 km (0.101 R)
• M4: 1,958,386 km (0.095 R)
• M5: 2,690,817 km (0.097 R)
• M6: 3,551,154 km (0.099 R)
• M7: 4,222,101 km (0.096 R)
• M8: 4,872,403 km (0.094 R)
• M9: 5,796,469 km (0.056 R)
• M10: 6,500,626 km (0.097 R)
• M11: 7,906,247 km (0.066 R)
• M12: 8,589,162 km (0.12 R)
• M13: 10,557,571 km (0.1 R)
• M14: 11,313,040 km (0.092 R)
• M15: 11,874,481 km (0.112 R)
• M16: 13,298,353 km (0.115 R)
• M17: 13,924,121 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 8.3

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.72 AU - 4.74 AU

Year: 5801 Days

Day: 11.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,112,848 km

• M1: 105,766 km (0.08 R)
• M2: 416,032 km (0.116 R)
• M3: 682,166 km (0.054 R)
• M4: 1,110,465 km (0.101 R)
• M5: 1,412,802 km (0.099 R)
• M6: 1,919,490 km (0.09 R)
• M7: 2,360,206 km (0.052 R)
• M8: 2,935,409 km (0.085 R)
• M9: 3,238,046 km (0.088 R)
• M10: 3,843,768 km (0.116 R)
• M11: 4,408,350 km (0.112 R)
• M12: 6,377,956 km (0.029 R)
• M13: 6,644,838 km (0.038 R)
• M14: 7,169,179 km (0.082 R)
• M15: 7,787,467 km (0.1 R)
• M16: 9,167,507 km (0.113 R)
• M17: 11,642,305 km (0.079 R)
• M18: 12,634,737 km (0.093 R)
• M19: 13,879,092 km (0.119 R)
• M20: 14,227,655 km (0.118 R)
• M21: 15,680,550 km (0.06 R)
• M22: 16,442,900 km (0.04 R)
• M23: 16,721,152 km (0.095 R)
• M24: 18,397,097 km (0.066 R)
• M25: 19,306,503 km (0.116 R)
• M26: 21,412,542 km (0.068 R)
• M27: 21,677,779 km (0.043 R)
• M28: 21,945,260 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.2

Radius: 9.5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.75 AU - 4.87 AU

Year: 5967 Days

Day: 11 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,112,848 km

• M1: 118,182 km (0.109 R)
• M2: 534,812 km (0.054 R)
• M3: 971,638 km (0.094 R)
• M4: 3,033,097 km (0.081 R)
• M5: 4,076,243 km (0.083 R)
• M6: 6,150,716 km (0.037 R)
• M7: 8,315,996 km (0.116 R)
• M8: 10,862,750 km (0.044 R)
• M9: 11,670,429 km (0.063 R)
• M10: 13,453,037 km (0.085 R)
• M11: 17,722,261 km (0.118 R)
• M12: 19,203,430 km (0.083 R)
• M13: 19,694,260 km (0.117 R)
• M14: 22,275,422 km (0.066 R)
• M15: 22,817,565 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.2

Radius: 13.5

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.63 AU - 5.65 AU

Year: 8932 Days

Day: 9.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,112,848 km

• M1: 167,849 km (0.075 R)
• M2: 605,871 km (0.11 R)
• M3: 1,104,631 km (0.08 R)
• M4: 1,737,430 km (0.099 R)
• M5: 2,173,208 km (0.041 R)
• M6: 3,527,518 km (0.116 R)
• M7: 6,655,609 km (0.113 R)
• M8: 7,381,608 km (0.061 R)
• M9: 7,866,754 km (0.066 R)
• M10: 9,688,108 km (0.086 R)
• M11: 11,346,998 km (0.099 R)
• M12: 12,384,161 km (0.108 R)
• M13: 14,026,596 km (0.093 R)
• M14: 16,482,245 km (0.095 R)
• M15: 21,570,367 km (0.057 R)
• M16: 26,012,527 km (0.042 R)
• M17: 30,409,208 km (0.079 R)
• M18: 31,449,512 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.8

Radius: 4.2

Gravity: 51.46 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.77 AU - 10.35 AU

Year: 16701 Days

Day: 16.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 74,112,848 km

• M1: 62,682 km (0.087 R)
• M2: 560,244 km (0.041 R)
• M3: 728,392 km (0.06 R)
• M4: 1,013,376 km (0.088 R)
• M5: 1,251,536 km (0.107 R)
• M6: 1,384,229 km (0.104 R)
• M7: 1,713,045 km (0.083 R)
• M8: 1,915,152 km (0.103 R)
• M9: 2,258,629 km (0.083 R)
• M10: 2,811,692 km (0.094 R)
• M11: 3,507,621 km (0.097 R)
• M12: 3,957,761 km (0.119 R)
• M13: 4,116,036 km (0.112 R)
• M14: 4,827,822 km (0.077 R)
• M15: 5,578,505 km (0.117 R)
• M16: 6,534,585 km (0.101 R)
• M17: 6,801,018 km (0.098 R)
• M18: 7,308,155 km (0.12 R)
• M19: 7,790,608 km (0.112 R)
• M20: 8,191,680 km (0.069 R)
• M21: 8,712,131 km (0.093 R)
• M22: 10,647,030 km (0.055 R)
• M23: 10,953,855 km (0.092 R)
• M24: 14,803,308 km (0.064 R)
• M25: 17,363,526 km (0.053 R)
• M26: 18,836,616 km (0.093 R)
• M27: 19,015,236 km (0.033 R)
• M28: 22,930,661 km (0.103 R)
• M29: 23,545,358 km (0.071 R)
• M30: 26,447,557 km (0.039 R)
• M31: 30,552,672 km (0.113 R)
• M32: 31,547,199 km (0.104 R)
• M33: 39,556,968 km (0.115 R)
• M34: 39,850,030 km (0.105 R)
• M35: 40,440,344 km (0.064 R)
• M36: 42,399,178 km (0.099 R)
• M37: 49,497,148 km (0.074 R)
• M38: 57,722,338 km (0.045 R)
• M39: 58,288,417 km (0.117 R)
• M40: 58,667,797 km (0.066 R)
• M41: 61,959,249 km (0.038 R)
• M42: 66,605,460 km (0.086 R)
• M43: 73,448,366 km (0.094 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 18,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit