🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.9

Radius: 13.1

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.45 AU - 0.57 AU

Year: 256 Days

Day: 7.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,196,811 km

• M1: 163,062 km (0.115 R)
• M2: 594,951 km (0.073 R)
• M3: 1,105,678 km (0.079 R)
• M4: 1,714,392 km (0.103 R)
• M5: 2,135,360 km (0.112 R)
• M6: 2,600,609 km (0.066 R)
• M7: 3,427,287 km (0.101 R)
• M8: 4,071,156 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.5

Radius: 12.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.59 AU - 0.75 AU

Year: 385 Days

Day: 7.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 14,196,811 km

• M1: 155,432 km (0.079 R)
• M2: 560,693 km (0.086 R)
• M3: 1,182,571 km (0.09 R)
• M4: 1,778,270 km (0.12 R)
• M5: 2,816,928 km (0.113 R)
• M6: 3,771,362 km (0.095 R)
• M7: 4,424,507 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.7

Radius: 10

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.36 AU - 2 AU

Year: 1531 Days

Day: 11.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,196,811 km

• M1: 124,465 km (0.071 R)
• M2: 437,574 km (0.085 R)
• M3: 807,978 km (0.116 R)
• M4: 1,393,654 km (0.063 R)
• M5: 1,807,741 km (0.107 R)
• M6: 2,151,217 km (0.072 R)
• M7: 2,538,676 km (0.101 R)
• M8: 3,487,426 km (0.062 R)
• M9: 3,817,438 km (0.074 R)
• M10: 4,241,100 km (0.048 R)
• M11: 5,120,586 km (0.099 R)
• M12: 5,482,912 km (0.109 R)
• M13: 5,908,218 km (0.099 R)
• M14: 7,055,335 km (0.082 R)
• M15: 10,244,911 km (0.078 R)
• M16: 11,384,996 km (0.029 R)
• M17: 12,455,070 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.1

Radius: 8.3

Gravity: 12.59 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.67 AU - 4.69 AU

Year: 6007 Days

Day: 14.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 14,196,811 km

• M1: 108,159 km (0.117 R)
• M2: 372,050 km (0.12 R)
• M3: 657,931 km (0.084 R)
• M4: 1,000,959 km (0.096 R)
• M5: 1,264,850 km (0.118 R)
• M6: 1,764,058 km (0.112 R)
• M7: 2,123,243 km (0.077 R)
• M8: 3,030,105 km (0.094 R)
• M9: 3,303,570 km (0.098 R)
• M10: 3,639,866 km (0.1 R)
• M11: 3,900,764 km (0.025 R)
• M12: 4,460,709 km (0.087 R)
• M13: 4,844,129 km (0.119 R)
• M14: 5,190,298 km (0.107 R)
• M15: 5,932,154 km (0.089 R)
• M16: 7,435,313 km (0.088 R)
• M17: 7,936,017 km (0.096 R)
• M18: 8,541,290 km (0.105 R)
• M19: 9,004,595 km (0.036 R)
• M20: 9,573,516 km (0.036 R)
• M21: 10,929,022 km (0.109 R)
• M22: 12,838,340 km (0.103 R)
• M23: 14,073,569 km (0.112 R)
• M24: 14,660,442 km (0.065 R)
• M25: 15,080,961 km (0.076 R)
• M26: 16,072,346 km (0.119 R)
• M27: 19,884,998 km (0.071 R)
• M28: 22,078,252 km (0.082 R)
• M29: 22,950,707 km (0.105 R)
• M30: 23,436,302 km (0.105 R)
• M31: 24,011,356 km (0.063 R)
• M32: 25,275,308 km (0.109 R)
• M33: 31,070,879 km (0.067 R)
• M34: 34,963,117 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782

Radius: 10.2

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.86 AU - 4.54 AU

Year: 6050 Days

Day: 14.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 14,196,811 km

• M1: 128,953 km (0.102 R)
• M2: 522,845 km (0.101 R)
• M3: 997,818 km (0.08 R)
• M4: 1,920,986 km (0.089 R)
• M5: 2,261,471 km (0.109 R)
• M6: 2,716,249 km (0.11 R)
• M7: 3,147,988 km (0.098 R)
• M8: 5,061,494 km (0.057 R)
• M9: 6,231,499 km (0.05 R)
• M10: 7,648,939 km (0.026 R)
• M11: 8,678,771 km (0.099 R)
• M12: 11,908,888 km (0.108 R)
• M13: 12,800,043 km (0.116 R)
• M14: 13,566,881 km (0.096 R)
• M15: 14,305,895 km (0.107 R)
• M16: 14,773,987 km (0.083 R)
• M17: 16,114,084 km (0.096 R)
• M18: 20,032,950 km (0.103 R)
• M19: 21,825,731 km (0.083 R)
• M20: 26,246,198 km (0.111 R)
• M21: 27,303,706 km (0.117 R)
• M22: 28,665,346 km (0.08 R)
• M23: 30,071,715 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.8

Radius: 9.2

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.51 AU - 5.23 AU

Year: 7554 Days

Day: 6 Hours

Environment

Temp: -224 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,196,811 km

• M1: 253,568 km (0.101 R)
• M2: 843,732 km (0.046 R)
• M3: 1,227,600 km (0.096 R)
• M4: 2,525,212 km (0.034 R)
• M5: 5,017,064 km (0.056 R)
• M6: 10,468,859 km (0.115 R)
• M7: 13,549,079 km (0.052 R)
• M8: 16,044,222 km (0.07 R)
• M9: 16,712,925 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.9

Radius: 3.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.71 AU - 7.01 AU

Year: 9971 Days

Day: 22.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,196,811 km

• M1: 46,525 km (0.034 R)
• M2: 207,642 km (0.045 R)
• M3: 465,698 km (0.034 R)
• M4: 2,552,738 km (0.067 R)
• M5: 4,792,368 km (0.109 R)
• M6: 5,390,161 km (0.074 R)
• M7: 7,126,244 km (0.118 R)
• M8: 7,647,294 km (0.107 R)
• M9: 8,311,359 km (0.058 R)
• M10: 8,581,383 km (0.033 R)
• M11: 10,223,219 km (0.103 R)
• M12: 10,992,003 km (0.117 R)
• M13: 14,069,829 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 12,906 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit