🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.61 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.8

Radius: 12.5

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.82 AU - 3.62 AU

Year: 4062 Days

Day: 5.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,688,509 km

• M1: 178,470 km (0.11 R)
• M2: 831,016 km (0.086 R)
• M3: 1,262,008 km (0.116 R)
• M4: 1,745,957 km (0.057 R)
• M5: 3,528,266 km (0.103 R)
• M6: 6,576,173 km (0.091 R)
• M7: 7,499,042 km (0.093 R)
• M8: 9,008,485 km (0.073 R)
• M9: 9,424,516 km (0.039 R)
• M10: 12,663,759 km (0.101 R)
• M11: 14,136,400 km (0.066 R)
• M12: 17,526,737 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.3

Radius: 11.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.83 AU - 3.63 AU

Year: 4080 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,688,509 km

• M1: 143,165 km (0.11 R)
• M2: 553,811 km (0.12 R)
• M3: 982,708 km (0.119 R)
• M4: 1,617,153 km (0.118 R)
• M5: 2,355,119 km (0.106 R)
• M6: 3,084,110 km (0.114 R)
• M7: 3,501,937 km (0.072 R)
• M8: 4,431,388 km (0.057 R)
• M9: 4,896,937 km (0.095 R)
• M10: 5,593,315 km (0.09 R)
• M11: 7,213,460 km (0.066 R)
• M12: 7,640,113 km (0.063 R)
• M13: 8,083,521 km (0.103 R)
• M14: 8,577,493 km (0.092 R)
• M15: 8,952,535 km (0.051 R)
• M16: 9,374,251 km (0.09 R)
• M17: 10,106,533 km (0.11 R)
• M18: 10,641,645 km (0.11 R)
• M19: 11,155,214 km (0.088 R)
• M20: 12,317,889 km (0.09 R)
• M21: 12,884,416 km (0.041 R)
• M22: 13,789,932 km (0.053 R)
• M23: 14,353,168 km (0.095 R)
• M24: 14,931,812 km (0.06 R)
• M25: 17,457,623 km (0.075 R)
• M26: 18,006,049 km (0.042 R)
• M27: 19,898,013 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.6

Radius: 8

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.96 AU - 6.36 AU

Year: 8239 Days

Day: 10.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,688,509 km

• M1: 104,868 km (0.089 R)
• M2: 374,743 km (0.057 R)
• M3: 705,803 km (0.068 R)
• M4: 982,110 km (0.087 R)
• M5: 1,640,490 km (0.111 R)
• M6: 2,457,295 km (0.11 R)
• M7: 2,946,180 km (0.067 R)
• M8: 6,083,996 km (0.104 R)
• M9: 6,799,971 km (0.08 R)
• M10: 7,270,756 km (0.051 R)
• M11: 7,762,933 km (0.095 R)
• M12: 9,155,539 km (0.071 R)
• M13: 9,639,937 km (0.112 R)
• M14: 10,707,617 km (0.083 R)
• M15: 11,245,272 km (0.094 R)
• M16: 12,059,234 km (0.112 R)
• M17: 12,321,479 km (0.103 R)
• M18: 13,861,290 km (0.074 R)
• M19: 15,525,267 km (0.098 R)
• M20: 15,835,832 km (0.115 R)
• M21: 16,087,306 km (0.032 R)
• M22: 16,405,351 km (0.039 R)
• M23: 18,195,888 km (0.084 R)
• M24: 19,245,018 km (0.118 R)
• M25: 19,893,525 km (0.056 R)
• M26: 20,407,992 km (0.111 R)
• M27: 24,763,384 km (0.11 R)
• M28: 28,851,445 km (0.114 R)
• M29: 29,891,749 km (0.115 R)
• M30: 34,094,252 km (0.067 R)
• M31: 35,256,777 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.4

Radius: 5.8

Gravity: 28.16 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.1 AU - 7.12 AU

Year: 10616 Days

Day: 23.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,688,509 km

• M1: 72,256 km (0.113 R)
• M2: 441,015 km (0.108 R)
• M3: 695,929 km (0.065 R)
• M4: 929,003 km (0.034 R)
• M5: 1,303,745 km (0.093 R)
• M6: 1,570,778 km (0.082 R)
• M7: 2,234,543 km (0.108 R)
• M8: 2,555,281 km (0.102 R)
• M9: 3,190,474 km (0.045 R)
• M10: 5,945,917 km (0.087 R)
• M11: 8,958,668 km (0.119 R)
• M12: 9,612,262 km (0.102 R)
• M13: 12,794,956 km (0.072 R)
• M14: 13,819,103 km (0.093 R)
• M15: 14,690,661 km (0.093 R)
• M16: 15,035,484 km (0.12 R)
• M17: 15,598,271 km (0.1 R)
• M18: 16,616,883 km (0.061 R)
• M19: 17,679,028 km (0.109 R)
• M20: 18,624,935 km (0.08 R)
• M21: 19,604,053 km (0.119 R)
• M22: 23,582,010 km (0.115 R)
• M23: 30,675,642 km (0.101 R)
• M24: 32,852,740 km (0.098 R)
• M25: 34,038,901 km (0.101 R)
• M26: 35,253,337 km (0.057 R)
• M27: 36,496,345 km (0.03 R)
• M28: 37,768,226 km (0.1 R)
• M29: 46,616,342 km (0.1 R)
• M30: 51,834,465 km (0.119 R)
• M31: 52,793,986 km (0.09 R)
• M32: 53,928,387 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.1

Radius: 8

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.24 AU - 8.27 AU

Year: 13722 Days

Day: 17.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,688,509 km

• M1: 108,608 km (0.095 R)
• M2: 524,490 km (0.099 R)
• M3: 1,597,855 km (0.096 R)
• M4: 2,004,611 km (0.101 R)
• M5: 2,639,206 km (0.12 R)
• M6: 4,535,508 km (0.059 R)
• M7: 6,605,494 km (0.119 R)
• M8: 7,403,000 km (0.109 R)
• M9: 10,129,421 km (0.035 R)
• M10: 10,439,538 km (0.08 R)
• M11: 14,090,923 km (0.072 R)
• M12: 17,387,013 km (0.115 R)
• M13: 27,301,911 km (0.119 R)
• M14: 32,587,503 km (0.067 R)
• M15: 41,339,427 km (0.043 R)
• M16: 42,265,737 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.6

Radius: 7.3

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.97 AU - 8.57 AU

Year: 15224 Days

Day: 18.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,688,509 km

• M1: 91,554 km (0.075 R)
• M2: 729,888 km (0.107 R)
• M3: 1,089,222 km (0.118 R)
• M4: 1,693,597 km (0.118 R)
• M5: 2,275,084 km (0.116 R)
• M6: 2,602,255 km (0.108 R)
• M7: 2,873,326 km (0.074 R)
• M8: 3,351,291 km (0.082 R)
• M9: 4,152,388 km (0.087 R)
• M10: 5,106,972 km (0.101 R)
• M11: 5,843,143 km (0.088 R)
• M12: 7,862,116 km (0.064 R)
• M13: 15,724,831 km (0.098 R)
• M14: 16,276,548 km (0.103 R)
• M15: 21,583,382 km (0.1 R)
• M16: 25,698,371 km (0.101 R)
• M17: 26,949,608 km (0.066 R)
• M18: 28,953,172 km (0.056 R)
• M19: 29,677,375 km (0.104 R)
• M20: 33,593,249 km (0.075 R)
• M21: 39,964,772 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.2

Radius: 6.7

Gravity: 18.98 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.14 AU - 9.1 AU

Year: 17790 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,688,509 km

• M1: 101,278 km (0.118 R)
• M2: 454,778 km (0.11 R)
• M3: 697,276 km (0.099 R)
• M4: 1,852,022 km (0.036 R)
• M5: 2,249,653 km (0.086 R)
• M6: 3,699,705 km (0.058 R)
• M7: 4,568,121 km (0.117 R)
• M8: 5,031,724 km (0.063 R)
• M9: 5,887,275 km (0.099 R)
• M10: 9,878,247 km (0.11 R)
• M11: 12,322,227 km (0.1 R)
• M12: 12,593,598 km (0.076 R)
• M13: 14,987,911 km (0.115 R)
• M14: 21,622,577 km (0.042 R)
• M15: 30,349,219 km (0.094 R)
• M16: 40,263,070 km (0.104 R)
• M17: 47,837,659 km (0.045 R)
• M18: 53,562,470 km (0.117 R)
• M19: 55,199,520 km (0.07 R)
• M20: 60,896,955 km (0.09 R)
• M21: 64,905,280 km (0.05 R)
• M22: 69,299,718 km (0.078 R)
• M23: 74,784,873 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 19,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit