🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181

Radius: 12.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.82 AU - 1.04 AU

Year: 619 Days

Day: 8.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,285,025 km

• M1: 153,188 km (0.075 R)
• M2: 667,207 km (0.052 R)
• M3: 1,099,395 km (0.118 R)
• M4: 1,522,607 km (0.108 R)
• M5: 2,238,732 km (0.065 R)
• M6: 2,797,929 km (0.11 R)
• M7: 3,179,254 km (0.118 R)
• M8: 3,877,278 km (0.119 R)
• M9: 4,606,717 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.6

Radius: 12.2

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.21 AU - 1.95 AU

Year: 1371 Days

Day: 9 Hours

Environment

Temp: -199 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,285,025 km

• M1: 152,141 km (0.094 R)
• M2: 559,346 km (0.118 R)
• M3: 1,120,338 km (0.119 R)
• M4: 1,949,260 km (0.044 R)
• M5: 2,369,630 km (0.114 R)
• M6: 3,093,385 km (0.119 R)
• M7: 3,524,077 km (0.091 R)
• M8: 3,959,706 km (0.076 R)
• M9: 5,554,419 km (0.101 R)
• M10: 7,406,890 km (0.113 R)
• M11: 9,417,934 km (0.051 R)
• M12: 10,981,531 km (0.095 R)
• M13: 12,828,017 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.4

Radius: 12.6

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.71 AU - 3.57 AU

Year: 3841 Days

Day: 10.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,285,025 km

• M1: 158,723 km (0.078 R)
• M2: 767,437 km (0.085 R)
• M3: 1,240,466 km (0.061 R)
• M4: 2,116,511 km (0.104 R)
• M5: 3,369,991 km (0.066 R)
• M6: 4,537,453 km (0.101 R)
• M7: 5,812,476 km (0.051 R)
• M8: 6,659,648 km (0.119 R)
• M9: 8,301,335 km (0.034 R)
• M10: 8,942,961 km (0.047 R)
• M11: 9,822,297 km (0.098 R)
• M12: 12,129,695 km (0.106 R)
• M13: 12,563,080 km (0.085 R)
• M14: 13,207,248 km (0.072 R)
• M15: 14,723,722 km (0.116 R)
• M16: 16,704,996 km (0.119 R)
• M17: 17,302,340 km (0.045 R)
• M18: 17,975,830 km (0.088 R)
• M19: 19,506,066 km (0.038 R)
• M20: 19,968,324 km (0.116 R)
• M21: 25,390,947 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.2

Radius: 9.2

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.38 AU - 4.8 AU

Year: 5709 Days

Day: 5.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,285,025 km

• M1: 117,584 km (0.11 R)
• M2: 470,635 km (0.07 R)
• M3: 947,852 km (0.096 R)
• M4: 1,275,621 km (0.097 R)
• M5: 1,679,685 km (0.047 R)
• M6: 2,094,819 km (0.056 R)
• M7: 2,594,326 km (0.089 R)
• M8: 3,152,177 km (0.091 R)
• M9: 3,809,959 km (0.071 R)
• M10: 5,508,942 km (0.032 R)
• M11: 6,244,963 km (0.069 R)
• M12: 8,540,842 km (0.056 R)
• M13: 11,165,387 km (0.025 R)
• M14: 11,767,219 km (0.107 R)
• M15: 13,289,676 km (0.041 R)
• M16: 17,570,270 km (0.087 R)
• M17: 17,943,068 km (0.105 R)
• M18: 19,886,344 km (0.076 R)
• M19: 21,609,712 km (0.092 R)
• M20: 22,109,668 km (0.104 R)
• M21: 23,058,417 km (0.114 R)
• M22: 23,355,668 km (0.12 R)
• M23: 24,339,723 km (0.078 R)
• M24: 25,193,777 km (0.098 R)
• M25: 27,708,069 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.6

Radius: 3.6

Gravity: 71.57 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.23 AU - 9.13 AU

Year: 16149 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 126.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,285,025 km

• M1: 44,879 km (0.081 R)
• M2: 173,982 km (0.108 R)
• M3: 295,905 km (0.093 R)
• M4: 484,548 km (0.032 R)
• M5: 628,311 km (0.059 R)
• M6: 864,676 km (0.106 R)
• M7: 1,065,885 km (0.085 R)
• M8: 1,417,739 km (0.104 R)
• M9: 1,936,694 km (0.059 R)
• M10: 2,094,221 km (0.083 R)
• M11: 2,324,901 km (0.088 R)
• M12: 3,710,027 km (0.102 R)
• M13: 4,783,841 km (0.09 R)
• M14: 4,962,909 km (0.059 R)
• M15: 5,885,330 km (0.108 R)
• M16: 6,301,362 km (0.113 R)
• M17: 7,474,358 km (0.092 R)
• M18: 7,813,497 km (0.088 R)
• M19: 8,213,521 km (0.098 R)
• M20: 9,000,257 km (0.098 R)
• M21: 9,383,975 km (0.071 R)
• M22: 9,835,761 km (0.104 R)
• M23: 11,341,164 km (0.03 R)
• M24: 11,531,602 km (0.045 R)
• M25: 12,787,177 km (0.091 R)
• M26: 15,103,251 km (0.083 R)
• M27: 18,811,483 km (0.025 R)
• M28: 19,167,826 km (0.072 R)
• M29: 24,113,382 km (0.103 R)
• M30: 25,715,126 km (0.094 R)
• M31: 26,821,402 km (0.037 R)
• M32: 39,680,686 km (0.076 R)
• M33: 41,155,721 km (0.081 R)
• M34: 43,436,340 km (0.119 R)
• M35: 47,258,267 km (0.118 R)
• M36: 47,422,226 km (0.076 R)
• M37: 55,927,912 km (0.06 R)
• M38: 56,664,083 km (0.113 R)
• M39: 65,802,867 km (0.117 R)
• M40: 72,993,588 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.4

Radius: 5.3

Gravity: 15.25 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.61 AU - 11.03 AU

Year: 19640 Days

Day: 16.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,285,025 km

• M1: 66,421 km (0.106 R)
• M2: 387,010 km (0.061 R)
• M3: 1,181,674 km (0.119 R)
• M4: 1,430,754 km (0.053 R)
• M5: 2,634,718 km (0.11 R)
• M6: 3,163,097 km (0.118 R)
• M7: 4,789,825 km (0.05 R)
• M8: 6,276,079 km (0.093 R)
• M9: 7,302,022 km (0.111 R)
• M10: 12,021,535 km (0.107 R)
• M11: 12,274,505 km (0.092 R)
• M12: 15,223,528 km (0.105 R)
• M13: 15,819,825 km (0.075 R)
• M14: 17,539,752 km (0.108 R)
• M15: 18,361,343 km (0.068 R)
• M16: 18,781,564 km (0.091 R)
• M17: 22,282,453 km (0.072 R)
• M18: 25,048,219 km (0.086 R)
• M19: 27,158,297 km (0.064 R)
• M20: 28,479,695 km (0.072 R)
• M21: 30,190,945 km (0.06 R)
• M22: 31,488,557 km (0.061 R)
• M23: 40,486,869 km (0.037 R)
• M24: 41,341,820 km (0.046 R)
• M25: 43,087,628 km (0.098 R)
• M26: 47,351,316 km (0.069 R)
• M27: 49,909,739 km (0.114 R)
• M28: 55,999,719 km (0.099 R)
• M29: 58,315,195 km (0.107 R)
• M30: 61,812,943 km (0.069 R)
• M31: 62,566,617 km (0.058 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: 244 - 11,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit