🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.6

Radius: 9

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.64 AU - 0.68 AU

Year: 377 Days

Day: 7.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,633,867 km

• M1: 111,899 km (0.099 R)
• M2: 418,126 km (0.111 R)
• M3: 823,087 km (0.105 R)
• M4: 1,259,464 km (0.077 R)
• M5: 1,570,478 km (0.104 R)
• M6: 1,912,609 km (0.063 R)
• M7: 2,487,364 km (0.119 R)
• M8: 2,928,378 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.7

Radius: 9.5

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.76 AU - 0.84 AU

Year: 503 Days

Day: 6.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,633,867 km

• M1: 118,631 km (0.046 R)
• M2: 429,346 km (0.075 R)
• M3: 817,104 km (0.066 R)
• M4: 1,156,392 km (0.103 R)
• M5: 1,628,373 km (0.093 R)
• M6: 1,927,569 km (0.114 R)
• M7: 2,341,506 km (0.107 R)
• M8: 2,736,743 km (0.114 R)
• M9: 3,237,298 km (0.108 R)
• M10: 3,702,547 km (0.107 R)
• M11: 4,138,475 km (0.097 R)
• M12: 4,483,747 km (0.089 R)
• M13: 4,799,548 km (0.115 R)
• M14: 6,005,607 km (0.094 R)
• M15: 6,649,177 km (0.111 R)
• M16: 6,956,451 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.5

Radius: 10.2

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.14 AU - 1.34 AU

Year: 971 Days

Day: 5.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,633,867 km

• M1: 127,308 km (0.03 R)
• M2: 473,926 km (0.05 R)
• M3: 834,756 km (0.099 R)
• M4: 1,154,297 km (0.096 R)
• M5: 1,692,550 km (0.088 R)
• M6: 2,470,609 km (0.111 R)
• M7: 3,097,723 km (0.083 R)
• M8: 4,193,079 km (0.092 R)
• M9: 4,529,375 km (0.105 R)
• M10: 4,865,671 km (0.102 R)
• M11: 5,648,666 km (0.06 R)
• M12: 6,039,116 km (0.099 R)
• M13: 8,294,753 km (0.078 R)
• M14: 8,638,230 km (0.036 R)
• M15: 9,157,634 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.4

Radius: 8

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.41 AU - 2.89 AU

Year: 3032 Days

Day: 13.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,633,867 km

• M1: 99,632 km (0.105 R)
• M2: 357,689 km (0.096 R)
• M3: 1,149,061 km (0.111 R)
• M4: 1,688,810 km (0.111 R)
• M5: 2,582,508 km (0.077 R)
• M6: 3,182,994 km (0.061 R)
• M7: 5,124,325 km (0.104 R)
• M8: 5,917,643 km (0.1 R)
• M9: 6,463,675 km (0.028 R)
• M10: 7,014,345 km (0.063 R)
• M11: 7,477,051 km (0.103 R)
• M12: 7,776,546 km (0.106 R)
• M13: 8,272,313 km (0.077 R)
• M14: 9,055,458 km (0.048 R)
• M15: 11,542,224 km (0.117 R)
• M16: 11,821,523 km (0.107 R)
• M17: 13,027,581 km (0.103 R)
• M18: 13,330,517 km (0.103 R)
• M19: 13,682,520 km (0.112 R)
• M20: 14,589,832 km (0.103 R)
• M21: 14,916,703 km (0.082 R)
• M22: 15,633,576 km (0.08 R)
• M23: 17,291,120 km (0.093 R)
• M24: 17,657,336 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.7

Radius: 10.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.45 AU - 3.43 AU

Year: 3543 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,633,867 km

• M1: 135,536 km (0.028 R)
• M2: 520,750 km (0.08 R)
• M3: 1,355,656 km (0.104 R)
• M4: 1,695,841 km (0.114 R)
• M5: 2,343,451 km (0.115 R)
• M6: 2,779,080 km (0.068 R)
• M7: 3,268,564 km (0.087 R)
• M8: 5,930,359 km (0.114 R)
• M9: 6,802,365 km (0.057 R)
• M10: 7,389,387 km (0.114 R)
• M11: 8,105,961 km (0.107 R)
• M12: 8,564,478 km (0.05 R)
• M13: 11,402,948 km (0.088 R)
• M14: 13,369,562 km (0.116 R)
• M15: 15,403,345 km (0.101 R)
• M16: 17,581,490 km (0.063 R)
• M17: 18,184,220 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.9

Radius: 12.1

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.11 AU - 3.77 AU

Year: 4485 Days

Day: 11.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,633,867 km

• M1: 182,210 km (0.107 R)
• M2: 1,000,810 km (0.074 R)
• M3: 1,782,010 km (0.111 R)
• M4: 3,029,506 km (0.076 R)
• M5: 3,506,275 km (0.075 R)
• M6: 4,339,984 km (0.105 R)
• M7: 5,082,288 km (0.102 R)
• M8: 6,526,955 km (0.092 R)
• M9: 12,294,252 km (0.11 R)
• M10: 13,938,782 km (0.09 R)
• M11: 16,855,940 km (0.106 R)
• M12: 17,410,051 km (0.114 R)
• M13: 18,815,672 km (0.1 R)
• M14: 19,278,528 km (0.049 R)
• M15: 22,216,481 km (0.069 R)
• M16: 23,792,045 km (0.085 R)
• M17: 26,664,474 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.9

Radius: 13.5

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.93 AU - 4.07 AU

Year: 4603 Days

Day: 13.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 23,633,867 km

• M1: 169,794 km (0.07 R)
• M2: 702,063 km (0.079 R)
• M3: 1,598,603 km (0.067 R)
• M4: 2,204,923 km (0.098 R)
• M5: 3,186,584 km (0.088 R)
• M6: 3,887,151 km (0.108 R)
• M7: 5,102,185 km (0.042 R)
• M8: 5,798,114 km (0.108 R)
• M9: 6,306,897 km (0.032 R)
• M10: 7,009,707 km (0.106 R)
• M11: 7,979,102 km (0.09 R)
• M12: 8,918,576 km (0.119 R)
• M13: 9,354,654 km (0.081 R)
• M14: 11,848,151 km (0.091 R)
• M15: 12,473,770 km (0.088 R)
• M16: 13,324,982 km (0.106 R)
• M17: 15,594,381 km (0.077 R)
• M18: 16,641,866 km (0.074 R)
• M19: 17,860,191 km (0.062 R)
• M20: 19,864,952 km (0.102 R)
• M21: 20,887,154 km (0.045 R)
• M22: 23,184,678 km (0.107 R)
• M23: 26,206,854 km (0.094 R)
• M24: 26,857,755 km (0.098 R)
• M25: 27,770,451 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.1

Radius: 11.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.32 AU - 4.44 AU

Year: 5372 Days

Day: 6.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,633,867 km

• M1: 145,559 km (0.08 R)
• M2: 872,754 km (0.088 R)
• M3: 2,878,712 km (0.087 R)
• M4: 3,519,140 km (0.103 R)
• M5: 6,645,736 km (0.088 R)
• M6: 7,983,141 km (0.1 R)
• M7: 8,581,083 km (0.039 R)
• M8: 14,821,559 km (0.105 R)
• M9: 15,212,607 km (0.058 R)
• M10: 16,132,485 km (0.083 R)
• M11: 17,028,277 km (0.086 R)
• M12: 18,658,894 km (0.061 R)
• M13: 21,723,556 km (0.083 R)
• M14: 26,311,573 km (0.069 R)
• M15: 26,803,301 km (0.07 R)
• M16: 27,889,531 km (0.109 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.8

Radius: 15

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.85 AU - 4.15 AU

Year: 5623 Days

Day: 9.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,633,867 km

• M1: 204,351 km (0.113 R)
• M2: 975,677 km (0.085 R)
• M3: 1,451,847 km (0.118 R)
• M4: 2,272,392 km (0.117 R)
• M5: 3,069,898 km (0.108 R)
• M6: 3,811,903 km (0.083 R)
• M7: 4,340,582 km (0.087 R)
• M8: 5,825,042 km (0.077 R)
• M9: 9,695,887 km (0.109 R)
• M10: 10,947,423 km (0.107 R)
• M11: 15,515,094 km (0.115 R)
• M12: 18,433,150 km (0.032 R)
• M13: 21,562,289 km (0.111 R)
• M14: 22,256,274 km (0.09 R)
• M15: 23,036,726 km (0.106 R)
• M16: 25,258,553 km (0.11 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.9

Radius: 14.8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.34 AU - 4.72 AU

Year: 5687 Days

Day: 13.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,633,867 km

• M1: 184,155 km (0.063 R)
• M2: 810,820 km (0.063 R)
• M3: 1,278,164 km (0.109 R)
• M4: 2,127,581 km (0.087 R)
• M5: 3,349,945 km (0.062 R)
• M6: 3,959,257 km (0.108 R)
• M7: 5,692,049 km (0.04 R)
• M8: 8,435,974 km (0.08 R)
• M9: 10,156,349 km (0.041 R)
• M10: 12,925,256 km (0.102 R)
• M11: 14,132,511 km (0.096 R)
• M12: 17,279,003 km (0.089 R)
• M13: 19,046,053 km (0.091 R)
• M14: 21,985,651 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 16,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit