🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.1

Radius: 13.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.46 AU - 0.62 AU

Year: 274 Days

Day: 14.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 79,009,773 km

• M1: 184,604 km (0.066 R)
• M2: 700,268 km (0.065 R)
• M3: 1,171,651 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.5

Radius: 9

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.01 AU - 1.07 AU

Year: 732 Days

Day: 6 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,009,773 km

• M1: 112,348 km (0.086 R)
• M2: 409,599 km (0.066 R)
• M3: 871,707 km (0.069 R)
• M4: 1,269,787 km (0.082 R)
• M5: 1,605,784 km (0.087 R)
• M6: 2,019,721 km (0.081 R)
• M7: 2,625,443 km (0.117 R)
• M8: 4,481,055 km (0.03 R)
• M9: 5,398,389 km (0.095 R)
• M10: 6,069,784 km (0.098 R)
• M11: 6,498,532 km (0.106 R)
• M12: 7,146,141 km (0.093 R)
• M13: 7,788,664 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.5

Radius: 13.1

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.72 AU - 1.72 AU

Year: 1557 Days

Day: 12 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,009,773 km

• M1: 162,912 km (0.083 R)
• M2: 609,312 km (0.084 R)
• M3: 1,020,257 km (0.086 R)
• M4: 1,798,017 km (0.081 R)
• M5: 2,397,904 km (0.07 R)
• M6: 2,846,997 km (0.118 R)
• M7: 3,701,051 km (0.094 R)
• M8: 4,215,518 km (0.048 R)
• M9: 5,138,537 km (0.083 R)
• M10: 6,053,029 km (0.057 R)
• M11: 7,047,705 km (0.089 R)
• M12: 8,578,540 km (0.083 R)
• M13: 9,145,367 km (0.11 R)
• M14: 10,156,648 km (0.106 R)
• M15: 11,101,359 km (0.088 R)
• M16: 11,993,710 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.6

Radius: 10.2

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.41 AU - 3.91 AU

Year: 3877 Days

Day: 14.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,009,773 km

• M1: 142,716 km (0.112 R)
• M2: 516,262 km (0.079 R)
• M3: 834,158 km (0.064 R)
• M4: 1,628,373 km (0.064 R)
• M5: 2,108,732 km (0.077 R)
• M6: 3,280,233 km (0.114 R)
• M7: 3,631,788 km (0.038 R)
• M8: 4,598,788 km (0.102 R)
• M9: 5,246,248 km (0.091 R)
• M10: 5,619,345 km (0.089 R)
• M11: 6,096,412 km (0.105 R)
• M12: 7,691,275 km (0.104 R)
• M13: 8,713,328 km (0.109 R)
• M14: 10,105,336 km (0.119 R)
• M15: 11,551,050 km (0.085 R)
• M16: 12,463,447 km (0.077 R)
• M17: 17,581,191 km (0.117 R)

Asteroid Belt

Center: 4.16 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.7

Radius: 14.2

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.67 AU - 5.65 AU

Year: 8091 Days

Day: 5.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,009,773 km

• M1: 181,313 km (0.114 R)
• M2: 623,524 km (0.083 R)
• M3: 1,126,472 km (0.099 R)
• M4: 3,424,295 km (0.061 R)
• M5: 5,425,466 km (0.112 R)
• M6: 5,905,077 km (0.039 R)
• M7: 7,265,520 km (0.056 R)
• M8: 8,231,024 km (0.064 R)
• M9: 15,017,532 km (0.103 R)
• M10: 22,156,492 km (0.057 R)
• M11: 23,076,519 km (0.084 R)
• M12: 26,754,682 km (0.027 R)
• M13: 30,337,850 km (0.111 R)
• M14: 30,901,535 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.9

Radius: 3

Gravity: 75.77 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.51 AU - 8.69 AU

Year: 15913 Days

Day: 22.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,009,773 km

• M1: 37,699 km (0.094 R)
• M2: 141,669 km (0.089 R)
• M3: 386,710 km (0.103 R)
• M4: 1,105,678 km (0.054 R)
• M5: 1,762,562 km (0.067 R)
• M6: 2,510,402 km (0.105 R)
• M7: 2,645,190 km (0.112 R)
• M8: 3,053,741 km (0.082 R)
• M9: 3,312,994 km (0.076 R)
• M10: 3,671,581 km (0.065 R)
• M11: 5,257,168 km (0.032 R)
• M12: 6,018,023 km (0.076 R)
• M13: 6,219,083 km (0.068 R)
• M14: 7,337,925 km (0.064 R)
• M15: 8,433,730 km (0.065 R)
• M16: 10,533,186 km (0.109 R)
• M17: 11,671,775 km (0.086 R)
• M18: 12,757,856 km (0.08 R)
• M19: 14,618,255 km (0.106 R)
• M20: 14,835,621 km (0.099 R)
• M21: 17,208,243 km (0.113 R)
• M22: 19,296,779 km (0.082 R)
• M23: 20,627,602 km (0.088 R)
• M24: 21,548,077 km (0.095 R)
• M25: 23,768,259 km (0.057 R)
• M26: 27,213,199 km (0.084 R)
• M27: 29,685,603 km (0.111 R)
• M28: 33,292,707 km (0.078 R)
• M29: 35,984,272 km (0.104 R)
• M30: 36,380,257 km (0.087 R)
• M31: 37,585,717 km (0.114 R)
• M32: 37,993,371 km (0.061 R)
• M33: 38,541,348 km (0.115 R)
• M34: 38,955,884 km (0.117 R)
• M35: 50,804,634 km (0.074 R)
• M36: 50,970,388 km (0.104 R)
• M37: 61,399,304 km (0.025 R)
• M38: 62,343,267 km (0.095 R)
• M39: 62,723,545 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.5

Radius: 5.8

Gravity: 23.8 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.4 AU - 10.2 AU

Year: 19577 Days

Day: 23.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,009,773 km

• M1: 74,500 km (0.117 R)
• M2: 401,521 km (0.096 R)
• M3: 657,483 km (0.088 R)
• M4: 971,339 km (0.09 R)
• M5: 1,305,541 km (0.057 R)
• M6: 2,378,606 km (0.116 R)
• M7: 2,707,572 km (0.091 R)
• M8: 2,934,811 km (0.082 R)
• M9: 3,285,468 km (0.05 R)
• M10: 3,544,422 km (0.112 R)
• M11: 4,506,935 km (0.071 R)
• M12: 5,315,960 km (0.112 R)
• M13: 5,920,485 km (0.06 R)
• M14: 6,217,736 km (0.114 R)
• M15: 7,217,499 km (0.076 R)
• M16: 9,022,098 km (0.12 R)
• M17: 9,473,285 km (0.061 R)
• M18: 10,118,052 km (0.08 R)
• M19: 12,991,677 km (0.089 R)
• M20: 13,277,110 km (0.076 R)
• M21: 16,783,984 km (0.112 R)
• M22: 18,344,289 km (0.047 R)
• M23: 18,794,280 km (0.104 R)
• M24: 21,951,094 km (0.052 R)
• M25: 22,458,380 km (0.115 R)
• M26: 27,263,913 km (0.042 R)
• M27: 28,804,920 km (0.095 R)
• M28: 31,287,796 km (0.087 R)
• M29: 42,647,361 km (0.103 R)
• M30: 54,788,126 km (0.116 R)
• M31: 56,285,301 km (0.112 R)
• M32: 61,740,537 km (0.088 R)
• M33: 62,750,472 km (0.042 R)
• M34: 67,537,754 km (0.11 R)
• M35: 74,595,333 km (0.179 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 13,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit