🌌 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: 424.3

Radius: 14.8

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.67 AU - 0.69 AU

Year: 374 Days

Day: 7.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 156.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,532,546 km

• M1: 184,753 km (0.098 R)
• M2: 712,684 km (0.09 R)
• M3: 1,184,217 km (0.085 R)
• M4: 1,694,495 km (0.11 R)
• M5: 2,233,047 km (0.026 R)
• M6: 2,755,294 km (0.113 R)
• M7: 3,632,087 km (0.073 R)
• M8: 4,451,733 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.7

Radius: 10.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.08 AU - 1.72 AU

Year: 1105 Days

Day: 14.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,532,546 km

• M1: 130,150 km (0.111 R)
• M2: 608,415 km (0.112 R)
• M3: 1,631,514 km (0.08 R)
• M4: 2,373,669 km (0.098 R)
• M5: 3,050,600 km (0.04 R)
• M6: 3,696,115 km (0.107 R)
• M7: 4,444,702 km (0.08 R)
• M8: 4,925,061 km (0.119 R)
• M9: 5,831,624 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.6

Radius: 9.3

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.31 AU - 2.11 AU

Year: 1491 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,532,546 km

• M1: 115,789 km (0.089 R)
• M2: 447,597 km (0.104 R)
• M3: 846,574 km (0.101 R)
• M4: 1,224,159 km (0.066 R)
• M5: 1,763,161 km (0.062 R)
• M6: 2,209,261 km (0.12 R)
• M7: 3,839,579 km (0.082 R)
• M8: 4,400,870 km (0.059 R)
• M9: 5,823,845 km (0.114 R)
• M10: 6,894,667 km (0.108 R)
• M11: 10,273,185 km (0.093 R)
• M12: 13,865,030 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.7

Radius: 8.7

Gravity: 12.94 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.66 AU - 3.86 AU

Year: 4862 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,532,546 km

• M1: 153,787 km (0.069 R)
• M2: 434,432 km (0.117 R)
• M3: 920,027 km (0.109 R)
• M4: 1,219,372 km (0.107 R)
• M5: 1,597,256 km (0.085 R)
• M6: 2,222,426 km (0.097 R)
• M7: 2,609,585 km (0.026 R)
• M8: 3,041,175 km (0.117 R)
• M9: 4,318,741 km (0.107 R)
• M10: 5,262,255 km (0.081 R)
• M11: 5,615,605 km (0.057 R)
• M12: 6,771,697 km (0.042 R)
• M13: 7,515,348 km (0.096 R)
• M14: 8,430,738 km (0.113 R)
• M15: 8,792,465 km (0.117 R)
• M16: 9,896,198 km (0.092 R)
• M17: 11,671,925 km (0.079 R)
• M18: 12,071,202 km (0.12 R)
• M19: 12,583,126 km (0.088 R)
• M20: 16,208,780 km (0.106 R)
• M21: 17,085,722 km (0.081 R)
• M22: 18,126,176 km (0.061 R)
• M23: 19,765,170 km (0.048 R)
• M24: 20,261,386 km (0.088 R)
• M25: 22,253,132 km (0.095 R)
• M26: 23,100,903 km (0.116 R)
• M27: 28,285,965 km (0.104 R)
• M28: 28,825,415 km (0.092 R)
• M29: 30,579,450 km (0.087 R)
• M30: 33,292,258 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.1

Radius: 13.7

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.94 AU - 5.5 AU

Year: 7953 Days

Day: 13.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,532,546 km

• M1: 170,392 km (0.092 R)
• M2: 994,975 km (0.093 R)
• M3: 1,466,957 km (0.063 R)
• M4: 2,707,871 km (0.095 R)
• M5: 4,119,327 km (0.094 R)
• M6: 5,095,453 km (0.091 R)
• M7: 5,839,403 km (0.091 R)
• M8: 8,252,866 km (0.094 R)
• M9: 8,823,731 km (0.056 R)
• M10: 9,849,973 km (0.059 R)
• M11: 10,543,508 km (0.043 R)
• M12: 11,590,544 km (0.114 R)
• M13: 14,261,015 km (0.111 R)
• M14: 15,084,701 km (0.117 R)
• M15: 17,106,666 km (0.058 R)
• M16: 17,819,201 km (0.119 R)
• M17: 22,264,801 km (0.052 R)
• M18: 23,287,003 km (0.052 R)
• M19: 24,429,482 km (0.098 R)
• M20: 27,304,304 km (0.079 R)
• M21: 29,578,192 km (0.12 R)
• M22: 31,232,595 km (0.1 R)
• M23: 31,868,685 km (0.025 R)
• M24: 33,166,746 km (0.101 R)
• M25: 38,956,931 km (0.114 R)
• M26: 42,347,866 km (0.067 R)
• M27: 44,314,330 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.6

Radius: 3.9

Gravity: 51.26 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.02 AU - 8.18 AU

Year: 15373 Days

Day: 22.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,532,546 km

• M1: 57,296 km (0.114 R)
• M2: 205,248 km (0.051 R)
• M3: 405,560 km (0.106 R)
• M4: 838,047 km (0.065 R)
• M5: 2,420,643 km (0.082 R)
• M6: 3,208,426 km (0.078 R)
• M7: 3,450,026 km (0.079 R)
• M8: 4,185,000 km (0.108 R)
• M9: 4,843,979 km (0.076 R)
• M10: 5,019,009 km (0.102 R)
• M11: 5,800,508 km (0.096 R)
• M12: 6,964,379 km (0.117 R)
• M13: 8,275,455 km (0.028 R)
• M14: 9,853,563 km (0.107 R)
• M15: 11,621,660 km (0.11 R)
• M16: 17,347,070 km (0.111 R)
• M17: 20,353,090 km (0.119 R)
• M18: 29,753,521 km (0.106 R)
• M19: 48,124,289 km (0.026 R)
• M20: 56,262,562 km (0.08 R)
• M21: 59,907,664 km (0.069 R)
• M22: 64,681,631 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631

Radius: 4.8

Gravity: 27.39 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 8.25 AU - 12.49 AU

Year: 22269 Days

Day: 22.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,532,546 km

• M1: 59,839 km (0.085 R)
• M2: 211,232 km (0.069 R)
• M3: 571,165 km (0.108 R)
• M4: 1,078,002 km (0.114 R)
• M5: 1,424,471 km (0.12 R)
• M6: 1,938,489 km (0.105 R)
• M7: 2,205,521 km (0.119 R)
• M8: 2,567,399 km (0.097 R)
• M9: 3,525,872 km (0.096 R)
• M10: 3,924,251 km (0.071 R)
• M11: 4,117,981 km (0.094 R)
• M12: 4,883,622 km (0.055 R)
• M13: 5,184,165 km (0.033 R)
• M14: 5,617,550 km (0.082 R)
• M15: 6,511,547 km (0.058 R)
• M16: 7,398,662 km (0.085 R)
• M17: 9,126,218 km (0.078 R)
• M18: 9,582,342 km (0.082 R)
• M19: 13,793,223 km (0.054 R)
• M20: 14,546,299 km (0.098 R)
• M21: 14,700,235 km (0.088 R)
• M22: 15,247,165 km (0.053 R)
• M23: 16,548,367 km (0.078 R)
• M24: 17,746,047 km (0.09 R)
• M25: 19,184,132 km (0.104 R)
• M26: 24,069,400 km (0.109 R)
• M27: 26,623,933 km (0.063 R)
• M28: 28,144,895 km (0.102 R)
• M29: 29,599,285 km (0.082 R)
• M30: 39,841,055 km (0.048 R)
• M31: 45,665,648 km (0.093 R)
• M32: 57,995,355 km (0.112 R)
• M33: 58,576,692 km (0.104 R)
• M34: 64,604,888 km (0.064 R)
• M35: 69,496,888 km (0.089 R)
• M36: 70,812,601 km (0.082 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 11,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit