🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.1

Radius: 10.5

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.59 AU - 0.85 AU

Year: 394 Days

Day: 7.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,845,906 km

• M1: 130,599 km (0.104 R)
• M2: 593,904 km (0.105 R)
• M3: 937,829 km (0.111 R)
• M4: 1,375,552 km (0.028 R)
• M5: 1,768,696 km (0.037 R)
• M6: 2,097,512 km (0.104 R)
• M7: 2,554,683 km (0.043 R)
• M8: 2,978,643 km (0.095 R)
• M9: 3,546,666 km (0.058 R)
• M10: 4,049,315 km (0.081 R)
• M11: 4,777,857 km (0.117 R)
• M12: 5,245,949 km (0.113 R)
• M13: 5,693,097 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.1

Radius: 14.7

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.82 AU - 0.94 AU

Year: 533 Days

Day: 8.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,845,906 km

• M1: 182,809 km (0.114 R)
• M2: 720,463 km (0.109 R)
• M3: 1,230,442 km (0.067 R)
• M4: 2,040,814 km (0.093 R)
• M5: 2,581,610 km (0.095 R)
• M6: 3,049,702 km (0.03 R)
• M7: 3,607,852 km (0.036 R)
• M8: 4,246,336 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480

Radius: 14.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.33 AU - 1.37 AU

Year: 1013 Days

Day: 8 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,845,906 km

• M1: 175,329 km (0.097 R)
• M2: 642,523 km (0.109 R)
• M3: 1,229,994 km (0.051 R)
• M4: 1,803,402 km (0.03 R)
• M5: 2,587,894 km (0.118 R)
• M6: 3,382,408 km (0.082 R)
• M7: 4,143,412 km (0.116 R)
• M8: 4,632,747 km (0.082 R)
• M9: 5,807,838 km (0.053 R)
• M10: 7,059,224 km (0.096 R)
• M11: 9,007,587 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.2

Radius: 8

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.4 AU - 1.94 AU

Year: 1393 Days

Day: 10.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,845,906 km

• M1: 99,782 km (0.062 R)
• M2: 454,628 km (0.058 R)
• M3: 777,909 km (0.097 R)
• M4: 1,310,178 km (0.084 R)
• M5: 1,587,233 km (0.103 R)
• M6: 1,893,161 km (0.054 R)
• M7: 2,273,888 km (0.109 R)
• M8: 2,638,458 km (0.113 R)
• M9: 2,940,645 km (0.064 R)
• M10: 3,988,878 km (0.078 R)
• M11: 4,276,854 km (0.102 R)
• M12: 4,559,444 km (0.082 R)
• M13: 4,814,508 km (0.094 R)
• M14: 5,417,986 km (0.105 R)
• M15: 7,055,933 km (0.072 R)
• M16: 7,613,933 km (0.043 R)
• M17: 8,287,273 km (0.116 R)
• M18: 8,698,069 km (0.043 R)
• M19: 9,497,071 km (0.1 R)
• M20: 10,717,042 km (0.088 R)
• M21: 11,707,380 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.2

Radius: 12.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.93 AU - 6.27 AU

Year: 8557 Days

Day: 9 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,845,906 km

• M1: 159,172 km (0.1 R)
• M2: 669,750 km (0.09 R)
• M3: 1,264,102 km (0.102 R)
• M4: 2,244,716 km (0.062 R)
• M5: 3,389,289 km (0.059 R)
• M6: 5,688,459 km (0.114 R)
• M7: 6,318,864 km (0.096 R)
• M8: 6,830,190 km (0.109 R)
• M9: 7,334,484 km (0.106 R)
• M10: 8,418,171 km (0.119 R)
• M11: 9,688,706 km (0.061 R)
• M12: 10,678,296 km (0.107 R)
• M13: 11,498,691 km (0.109 R)
• M14: 13,009,928 km (0.086 R)
• M15: 15,433,863 km (0.108 R)
• M16: 15,952,519 km (0.057 R)
• M17: 17,454,780 km (0.079 R)
• M18: 18,208,454 km (0.075 R)
• M19: 28,332,191 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.6

Radius: 5.1

Gravity: 21.36 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7 AU - 8.02 AU

Year: 13288 Days

Day: 17.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,845,906 km

• M1: 64,327 km (0.052 R)
• M2: 245,490 km (0.046 R)
• M3: 469,737 km (0.089 R)
• M4: 638,035 km (0.115 R)
• M5: 1,173,595 km (0.059 R)
• M6: 1,624,932 km (0.108 R)
• M7: 1,831,826 km (0.087 R)
• M8: 2,241,126 km (0.074 R)
• M9: 2,417,202 km (0.114 R)
• M10: 3,465,734 km (0.061 R)
• M11: 4,148,050 km (0.058 R)
• M12: 6,144,433 km (0.026 R)
• M13: 6,529,947 km (0.029 R)
• M14: 8,608,609 km (0.059 R)
• M15: 11,546,412 km (0.114 R)
• M16: 12,133,135 km (0.114 R)
• M17: 16,808,817 km (0.079 R)
• M18: 17,792,124 km (0.108 R)
• M19: 20,799,789 km (0.103 R)
• M20: 22,649,267 km (0.039 R)
• M21: 25,970,340 km (0.098 R)
• M22: 28,850,249 km (0.118 R)
• M23: 29,928,251 km (0.109 R)
• M24: 36,590,442 km (0.082 R)
• M25: 37,091,894 km (0.091 R)
• M26: 37,980,655 km (0.113 R)
• M27: 41,541,384 km (0.047 R)
• M28: 42,224,298 km (0.09 R)
• M29: 46,920,624 km (0.07 R)
• M30: 51,481,564 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545

Radius: 4.1

Gravity: 32.42 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 10.13 AU - 11.37 AU

Year: 22758 Days

Day: 24 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,845,906 km

• M1: 69,264 km (0.08 R)
• M2: 204,650 km (0.085 R)
• M3: 506,389 km (0.102 R)
• M4: 2,360,954 km (0.078 R)
• M5: 2,614,821 km (0.066 R)
• M6: 5,228,446 km (0.12 R)
• M7: 5,904,628 km (0.092 R)
• M8: 7,623,807 km (0.091 R)
• M9: 9,478,671 km (0.067 R)
• M10: 11,036,882 km (0.052 R)
• M11: 14,498,577 km (0.06 R)
• M12: 14,650,419 km (0.099 R)
• M13: 14,957,244 km (0.102 R)
• M14: 22,736,782 km (0.112 R)
• M15: 23,251,698 km (0.111 R)
• M16: 23,459,639 km (0.043 R)
• M17: 24,304,418 km (0.089 R)
• M18: 24,951,130 km (0.072 R)
• M19: 35,936,400 km (0.112 R)
• M20: 38,491,981 km (0.105 R)
• M21: 40,261,275 km (0.087 R)
• M22: 48,049,789 km (0.059 R)
• M23: 48,726,719 km (0.088 R)
• M24: 50,970,239 km (0.061 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: 532 - 19,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit