🌌 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: 677.8

Radius: 8.2

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.5 AU - 0.52 AU

Year: 247 Days

Day: 8.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,271,887 km

• M1: 102,026 km (0.071 R)
• M2: 374,144 km (0.041 R)
• M3: 759,060 km (0.054 R)
• M4: 1,089,521 km (0.107 R)
• M5: 1,479,972 km (0.11 R)
• M6: 1,748,201 km (0.088 R)
• M7: 2,193,105 km (0.115 R)
• M8: 2,631,576 km (0.101 R)
• M9: 3,009,909 km (0.114 R)
• M10: 3,922,456 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 8.2

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.94 AU - 2.42 AU

Year: 2183 Days

Day: 12.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,271,887 km

• M1: 102,026 km (0.097 R)
• M2: 361,728 km (0.086 R)
• M3: 896,390 km (0.115 R)
• M4: 1,391,559 km (0.057 R)
• M5: 1,802,804 km (0.099 R)
• M6: 2,190,711 km (0.12 R)
• M7: 2,483,624 km (0.042 R)
• M8: 3,266,170 km (0.096 R)
• M9: 3,586,908 km (0.118 R)
• M10: 4,256,359 km (0.118 R)
• M11: 4,602,528 km (0.063 R)
• M12: 5,455,386 km (0.083 R)
• M13: 6,247,357 km (0.079 R)
• M14: 7,707,731 km (0.109 R)
• M15: 8,085,316 km (0.115 R)
• M16: 8,418,620 km (0.039 R)
• M17: 9,262,352 km (0.089 R)
• M18: 9,535,219 km (0.108 R)
• M19: 10,582,553 km (0.027 R)
• M20: 11,739,693 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.1

Radius: 11.3

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.06 AU - 2.8 AU

Year: 2569 Days

Day: 14.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,271,887 km

• M1: 140,622 km (0.054 R)
• M2: 496,665 km (0.088 R)
• M3: 1,257,520 km (0.084 R)
• M4: 1,762,861 km (0.091 R)
• M5: 2,387,582 km (0.074 R)
• M6: 3,468,875 km (0.088 R)
• M7: 3,842,421 km (0.091 R)
• M8: 4,201,755 km (0.094 R)
• M9: 5,035,165 km (0.05 R)
• M10: 6,655,310 km (0.11 R)
• M11: 8,699,565 km (0.115 R)
• M12: 9,791,629 km (0.11 R)
• M13: 11,867,300 km (0.097 R)
• M14: 13,480,115 km (0.113 R)
• M15: 14,553,629 km (0.085 R)
• M16: 15,283,966 km (0.114 R)
• M17: 16,038,537 km (0.107 R)
• M18: 17,297,104 km (0.03 R)
• M19: 18,116,601 km (0.039 R)
• M20: 18,507,800 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292

Radius: 10.1

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.9 AU - 3.62 AU

Year: 3992 Days

Day: 6.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,271,887 km

• M1: 125,662 km (0.107 R)
• M2: 849,716 km (0.091 R)
• M3: 1,397,543 km (0.072 R)
• M4: 1,792,332 km (0.065 R)
• M5: 2,826,652 km (0.093 R)
• M6: 3,323,616 km (0.067 R)
• M7: 3,996,208 km (0.106 R)
• M8: 5,291,875 km (0.096 R)
• M9: 5,789,138 km (0.119 R)
• M10: 9,032,121 km (0.105 R)
• M11: 9,383,227 km (0.107 R)
• M12: 11,479,991 km (0.055 R)
• M13: 12,102,169 km (0.07 R)
• M14: 13,368,814 km (0.109 R)
• M15: 16,577,538 km (0.064 R)
• M16: 19,500,531 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.5

Radius: 5.6

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.17 AU - 10.41 AU

Year: 17676 Days

Day: 17.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,271,887 km

• M1: 70,012 km (0.046 R)
• M2: 255,812 km (0.093 R)
• M3: 555,906 km (0.116 R)
• M4: 941,120 km (0.06 R)
• M5: 1,187,209 km (0.108 R)
• M6: 1,794,726 km (0.11 R)
• M7: 2,123,691 km (0.114 R)
• M8: 2,302,610 km (0.071 R)
• M9: 2,691,266 km (0.092 R)
• M10: 3,674,423 km (0.079 R)
• M11: 3,854,539 km (0.092 R)
• M12: 4,402,366 km (0.109 R)
• M13: 4,969,342 km (0.109 R)
• M14: 7,119,961 km (0.109 R)
• M15: 7,400,906 km (0.084 R)
• M16: 7,942,151 km (0.065 R)
• M17: 8,420,565 km (0.067 R)
• M18: 10,997,987 km (0.067 R)
• M19: 18,304,347 km (0.053 R)
• M20: 22,296,216 km (0.082 R)
• M21: 23,158,648 km (0.096 R)
• M22: 23,509,904 km (0.116 R)
• M23: 24,766,975 km (0.089 R)
• M24: 26,257,717 km (0.117 R)
• M25: 35,075,614 km (0.094 R)
• M26: 45,404,749 km (0.056 R)
• M27: 45,816,891 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.5

Radius: 7.7

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.49 AU - 12.21 AU

Year: 20967 Days

Day: 20.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,271,887 km

• M1: 98,585 km (0.04 R)
• M2: 381,325 km (0.112 R)
• M3: 700,417 km (0.065 R)
• M4: 1,451,099 km (0.052 R)
• M5: 2,400,896 km (0.08 R)
• M6: 4,605,969 km (0.105 R)
• M7: 5,380,437 km (0.042 R)
• M8: 9,940,031 km (0.108 R)
• M9: 14,129,220 km (0.067 R)
• M10: 14,961,283 km (0.089 R)
• M11: 16,195,465 km (0.096 R)
• M12: 18,536,672 km (0.071 R)
• M13: 20,217,255 km (0.088 R)
• M14: 25,967,049 km (0.073 R)
• M15: 27,108,331 km (0.119 R)
• M16: 28,717,854 km (0.062 R)
• M17: 29,490,378 km (0.115 R)
• M18: 29,825,776 km (0.108 R)
• M19: 31,077,013 km (0.092 R)
• M20: 44,390,326 km (0.052 R)
• M21: 47,077,104 km (0.063 R)
• M22: 47,996,382 km (0.057 R)
• M23: 49,870,545 km (0.056 R)
• M24: 50,187,542 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.6

Radius: 6.1

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.88 AU - 10.88 AU

Year: 22682 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,271,887 km

• M1: 76,445 km (0.112 R)
• M2: 305,479 km (0.117 R)
• M3: 670,797 km (0.063 R)
• M4: 1,364,482 km (0.111 R)
• M5: 3,007,815 km (0.108 R)
• M6: 3,240,439 km (0.026 R)
• M7: 3,848,106 km (0.12 R)
• M8: 4,410,295 km (0.115 R)
• M9: 6,502,122 km (0.075 R)
• M10: 7,936,167 km (0.112 R)
• M11: 11,694,963 km (0.092 R)
• M12: 12,989,284 km (0.102 R)
• M13: 13,358,192 km (0.084 R)
• M14: 13,734,132 km (0.059 R)
• M15: 17,293,065 km (0.031 R)
• M16: 20,416,519 km (0.076 R)
• M17: 20,748,177 km (0.1 R)
• M18: 21,937,181 km (0.066 R)
• M19: 23,531,895 km (0.11 R)
• M20: 25,872,653 km (0.106 R)
• M21: 27,349,333 km (0.037 R)
• M22: 30,040,300 km (0.053 R)
• M23: 30,361,636 km (0.027 R)
• M24: 31,892,172 km (0.099 R)
• M25: 32,676,214 km (0.04 R)
• M26: 33,473,272 km (0.112 R)
• M27: 35,224,464 km (0.089 R)
• M28: 40,712,462 km (0.09 R)
• M29: 41,369,945 km (0.102 R)
• M30: 44,903,746 km (0.118 R)
• M31: 49,076,778 km (0.116 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 12,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit