🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.5

Radius: 11.6

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.67 AU - 0.69 AU

Year: 362 Days

Day: 11.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,450,654 km

• M1: 144,362 km (0.073 R)
• M2: 875,746 km (0.096 R)
• M3: 1,381,836 km (0.113 R)
• M4: 1,850,974 km (0.12 R)
• M5: 2,240,827 km (0.097 R)
• M6: 2,621,254 km (0.094 R)
• M7: 3,018,287 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.7

Radius: 12.3

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.65 AU - 0.73 AU

Year: 370 Days

Day: 13.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,450,654 km

• M1: 153,039 km (0.1 R)
• M2: 648,806 km (0.11 R)
• M3: 1,056,311 km (0.073 R)
• M4: 1,579,754 km (0.113 R)
• M5: 2,361,552 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.2

Radius: 8.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.31 AU - 1.45 AU

Year: 1047 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,450,654 km

• M1: 110,702 km (0.063 R)
• M2: 388,655 km (0.116 R)
• M3: 693,985 km (0.064 R)
• M4: 1,030,879 km (0.087 R)
• M5: 1,329,925 km (0.049 R)
• M6: 1,704,369 km (0.106 R)
• M7: 2,508,607 km (0.093 R)
• M8: 2,871,830 km (0.098 R)
• M9: 3,690,131 km (0.11 R)
• M10: 4,935,084 km (0.093 R)
• M11: 5,566,088 km (0.065 R)
• M12: 7,378,765 km (0.096 R)
• M13: 8,103,567 km (0.067 R)
• M14: 8,742,948 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 10.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.54 AU - 2.32 AU

Year: 1731 Days

Day: 12.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,450,654 km

• M1: 129,402 km (0.116 R)
• M2: 891,155 km (0.097 R)
• M3: 1,481,169 km (0.06 R)
• M4: 2,004,761 km (0.06 R)
• M5: 2,635,914 km (0.103 R)
• M6: 3,055,088 km (0.103 R)
• M7: 3,892,387 km (0.083 R)
• M8: 4,347,015 km (0.089 R)
• M9: 5,075,257 km (0.032 R)
• M10: 7,251,607 km (0.032 R)
• M11: 7,969,378 km (0.084 R)
• M12: 8,416,825 km (0.081 R)
• M13: 8,821,936 km (0.066 R)
• M14: 9,240,062 km (0.088 R)
• M15: 11,012,498 km (0.071 R)
• M16: 11,357,620 km (0.108 R)
• M17: 11,960,799 km (0.048 R)
• M18: 12,325,668 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.2

Radius: 13.2

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.7 AU - 2.6 AU

Year: 2036 Days

Day: 9.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,450,654 km

• M1: 164,109 km (0.118 R)
• M2: 587,471 km (0.077 R)
• M3: 1,036,115 km (0.109 R)
• M4: 1,967,810 km (0.098 R)
• M5: 3,449,876 km (0.053 R)
• M6: 4,894,992 km (0.102 R)
• M7: 5,765,951 km (0.088 R)
• M8: 7,585,958 km (0.109 R)
• M9: 8,140,219 km (0.111 R)
• M10: 10,994,995 km (0.043 R)
• M11: 13,054,808 km (0.073 R)
• M12: 14,372,765 km (0.114 R)
• M13: 14,996,139 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.6

Radius: 4.2

Gravity: 38.58 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.96 AU - 7.46 AU

Year: 9992 Days

Day: 15.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,450,654 km

• M1: 52,359 km (0.091 R)
• M2: 303,833 km (0.114 R)
• M3: 469,737 km (0.1 R)
• M4: 930,798 km (0.118 R)
• M5: 1,134,550 km (0.073 R)
• M6: 1,815,520 km (0.036 R)
• M7: 2,013,139 km (0.104 R)
• M8: 2,152,713 km (0.076 R)
• M9: 2,298,721 km (0.11 R)
• M10: 2,490,655 km (0.116 R)
• M11: 3,391,833 km (0.051 R)
• M12: 6,883,447 km (0.097 R)
• M13: 7,446,832 km (0.082 R)
• M14: 10,418,445 km (0.081 R)
• M15: 11,543,420 km (0.094 R)
• M16: 12,106,656 km (0.041 R)
• M17: 13,226,845 km (0.068 R)
• M18: 13,532,773 km (0.114 R)
• M19: 14,286,148 km (0.093 R)
• M20: 14,478,830 km (0.106 R)
• M21: 15,199,892 km (0.028 R)
• M22: 16,431,232 km (0.108 R)
• M23: 17,433,837 km (0.055 R)
• M24: 18,099,398 km (0.088 R)
• M25: 21,347,018 km (0.112 R)
• M26: 22,975,690 km (0.092 R)
• M27: 28,254,251 km (0.116 R)
• M28: 28,659,511 km (0.117 R)
• M29: 34,979,872 km (0.089 R)
• M30: 35,212,945 km (0.059 R)
• M31: 37,236,406 km (0.112 R)
• M32: 43,365,431 km (0.047 R)
• M33: 47,661,433 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.7

Radius: 3.6

Gravity: 38.48 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.66 AU - 8.32 AU

Year: 14583 Days

Day: 16.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 89.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,450,654 km

• M1: 44,730 km (0.114 R)
• M2: 184,155 km (0.078 R)
• M3: 298,149 km (0.112 R)
• M4: 481,406 km (0.061 R)
• M5: 1,222,364 km (0.064 R)
• M6: 1,496,278 km (0.111 R)
• M7: 3,013,500 km (0.12 R)
• M8: 4,542,839 km (0.117 R)
• M9: 4,927,155 km (0.037 R)
• M10: 5,127,317 km (0.112 R)
• M11: 6,483,721 km (0.074 R)
• M12: 8,624,616 km (0.108 R)
• M13: 9,619,442 km (0.111 R)
• M14: 11,598,473 km (0.071 R)
• M15: 12,682,758 km (0.115 R)
• M16: 14,705,620 km (0.093 R)
• M17: 15,401,550 km (0.108 R)
• M18: 21,421,966 km (0.107 R)
• M19: 23,139,799 km (0.029 R)
• M20: 27,258,378 km (0.114 R)
• M21: 27,569,990 km (0.115 R)
• M22: 37,417,419 km (0.084 R)
• M23: 38,710,543 km (0.105 R)
• M24: 39,766,256 km (0.12 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 18,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit