🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.3

Radius: 11

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.74 AU - 0.74 AU

Year: 418 Days

Day: 10.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,803,808 km

• M1: 136,732 km (0.117 R)
• M2: 515,963 km (0.07 R)
• M3: 959,222 km (0.055 R)
• M4: 1,323,492 km (0.05 R)
• M5: 1,722,919 km (0.044 R)
• M6: 2,168,421 km (0.106 R)
• M7: 2,720,736 km (0.103 R)
• M8: 3,679,958 km (0.035 R)
• M9: 4,791,021 km (0.099 R)
• M10: 5,191,495 km (0.085 R)
• M11: 5,547,837 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 8.9

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.31 AU - 1.55 AU

Year: 1122 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,803,808 km

• M1: 110,702 km (0.088 R)
• M2: 398,978 km (0.043 R)
• M3: 678,277 km (0.086 R)
• M4: 962,363 km (0.08 R)
• M5: 1,367,175 km (0.077 R)
• M6: 1,923,529 km (0.075 R)
• M7: 2,440,390 km (0.034 R)
• M8: 3,246,274 km (0.063 R)
• M9: 4,219,408 km (0.079 R)
• M10: 4,614,496 km (0.026 R)
• M11: 5,668,413 km (0.062 R)
• M12: 5,949,807 km (0.1 R)
• M13: 7,397,764 km (0.119 R)
• M14: 7,919,861 km (0.081 R)
• M15: 8,921,568 km (0.118 R)
• M16: 9,392,951 km (0.12 R)
• M17: 11,007,262 km (0.104 R)
• M18: 11,584,111 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.8

Radius: 13.5

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.98 AU - 2.48 AU

Year: 2185 Days

Day: 10.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,803,808 km

• M1: 168,746 km (0.074 R)
• M2: 591,959 km (0.079 R)
• M3: 1,400,236 km (0.045 R)
• M4: 1,884,335 km (0.082 R)
• M5: 3,073,039 km (0.119 R)
• M6: 4,196,819 km (0.063 R)
• M7: 5,020,056 km (0.037 R)
• M8: 6,075,469 km (0.078 R)
• M9: 6,547,899 km (0.098 R)
• M10: 7,537,190 km (0.113 R)
• M11: 9,393,101 km (0.077 R)
• M12: 10,062,701 km (0.107 R)
• M13: 10,726,167 km (0.098 R)
• M14: 11,184,685 km (0.098 R)
• M15: 12,597,188 km (0.077 R)
• M16: 13,368,515 km (0.113 R)
• M17: 14,958,141 km (0.108 R)
• M18: 15,386,590 km (0.102 R)
• M19: 16,620,024 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.9

Radius: 9.2

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.75 AU - 3.13 AU

Year: 3307 Days

Day: 11.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,803,808 km

• M1: 114,442 km (0.116 R)
• M2: 852,259 km (0.111 R)
• M3: 1,157,588 km (0.099 R)
• M4: 1,501,065 km (0.082 R)
• M5: 2,500,229 km (0.115 R)
• M6: 3,327,356 km (0.072 R)
• M7: 3,668,439 km (0.061 R)
• M8: 4,032,859 km (0.118 R)
• M9: 5,103,382 km (0.051 R)
• M10: 5,536,468 km (0.107 R)
• M11: 6,159,692 km (0.103 R)
• M12: 6,726,818 km (0.094 R)
• M13: 7,436,660 km (0.11 R)
• M14: 7,739,745 km (0.101 R)
• M15: 9,413,296 km (0.046 R)
• M16: 10,132,563 km (0.091 R)
• M17: 10,539,918 km (0.09 R)
• M18: 11,533,397 km (0.118 R)
• M19: 12,052,951 km (0.062 R)
• M20: 13,218,767 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950

Radius: 9.8

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.4 AU - 3.78 AU

Year: 4462 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,803,808 km

• M1: 121,922 km (0.043 R)
• M2: 439,519 km (0.104 R)
• M3: 1,012,778 km (0.055 R)
• M4: 1,454,989 km (0.069 R)
• M5: 1,855,014 km (0.074 R)
• M6: 2,233,496 km (0.099 R)
• M7: 3,308,955 km (0.115 R)
• M8: 3,690,879 km (0.105 R)
• M9: 4,443,356 km (0.118 R)
• M10: 4,909,653 km (0.054 R)
• M11: 5,294,717 km (0.093 R)
• M12: 6,572,582 km (0.067 R)
• M13: 7,075,530 km (0.063 R)
• M14: 8,699,864 km (0.117 R)
• M15: 10,786,306 km (0.084 R)
• M16: 12,366,807 km (0.046 R)
• M17: 13,238,664 km (0.041 R)
• M18: 16,040,931 km (0.072 R)
• M19: 16,584,270 km (0.115 R)
• M20: 17,580,443 km (0.066 R)
• M21: 18,550,136 km (0.072 R)
• M22: 20,879,674 km (0.112 R)
• M23: 22,486,954 km (0.098 R)
• M24: 23,015,184 km (0.099 R)
• M25: 25,781,697 km (0.077 R)
• M26: 29,474,969 km (0.101 R)
• M27: 30,016,813 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.6

Radius: 8.2

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.06 AU - 5 AU

Year: 5307 Days

Day: 5.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,803,808 km

• M1: 102,175 km (0.105 R)
• M2: 742,604 km (0.068 R)
• M3: 1,136,794 km (0.075 R)
• M4: 1,900,342 km (0.108 R)
• M5: 2,648,182 km (0.087 R)
• M6: 8,101,921 km (0.11 R)
• M7: 8,695,227 km (0.119 R)
• M8: 9,226,598 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.8

Radius: 11.6

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.96 AU - 4.96 AU

Year: 7247 Days

Day: 12.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,803,808 km

• M1: 146,905 km (0.105 R)
• M2: 520,152 km (0.081 R)
• M3: 901,776 km (0.105 R)
• M4: 1,457,682 km (0.12 R)
• M5: 2,976,250 km (0.115 R)
• M6: 3,851,996 km (0.107 R)
• M7: 4,276,704 km (0.106 R)
• M8: 4,972,633 km (0.119 R)
• M9: 6,109,727 km (0.066 R)
• M10: 7,200,894 km (0.088 R)
• M11: 7,811,552 km (0.116 R)
• M12: 9,136,540 km (0.1 R)
• M13: 10,114,462 km (0.106 R)
• M14: 11,349,841 km (0.104 R)
• M15: 14,620,350 km (0.079 R)
• M16: 17,949,201 km (0.11 R)
• M17: 18,538,168 km (0.034 R)
• M18: 19,072,681 km (0.074 R)
• M19: 28,727,279 km (0.094 R)
• M20: 30,079,644 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.2

Radius: 4.4

Gravity: 20.93 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.05 AU - 6.05 AU

Year: 9762 Days

Day: 18 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,803,808 km

• M1: 54,753 km (0.112 R)
• M2: 210,634 km (0.078 R)
• M3: 352,453 km (0.12 R)
• M4: 523,443 km (0.115 R)
• M5: 824,434 km (0.063 R)
• M6: 989,440 km (0.096 R)
• M7: 1,501,663 km (0.079 R)
• M8: 1,793,978 km (0.114 R)
• M9: 2,173,507 km (0.067 R)
• M10: 2,901,301 km (0.104 R)
• M11: 7,339,122 km (0.104 R)
• M12: 7,930,482 km (0.093 R)
• M13: 8,093,394 km (0.083 R)
• M14: 8,510,623 km (0.089 R)
• M15: 10,420,240 km (0.12 R)
• M16: 11,526,366 km (0.081 R)
• M17: 12,107,853 km (0.059 R)
• M18: 12,378,476 km (0.108 R)
• M19: 14,447,564 km (0.08 R)
• M20: 16,870,152 km (0.101 R)
• M21: 18,247,799 km (0.114 R)
• M22: 18,603,542 km (0.084 R)
• M23: 24,167,237 km (0.085 R)
• M24: 26,817,961 km (0.098 R)
• M25: 27,649,426 km (0.05 R)
• M26: 27,930,371 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.1

Radius: 6.2

Gravity: 21.57 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.62 AU - 8.46 AU

Year: 14955 Days

Day: 18.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,803,808 km

• M1: 77,043 km (0.083 R)
• M2: 311,463 km (0.116 R)
• M3: 660,475 km (0.073 R)
• M4: 1,860,698 km (0.081 R)
• M5: 2,243,220 km (0.03 R)
• M6: 2,769,805 km (0.109 R)
• M7: 3,113,132 km (0.111 R)
• M8: 3,321,821 km (0.084 R)
• M9: 3,944,597 km (0.025 R)
• M10: 4,777,707 km (0.041 R)
• M11: 5,235,626 km (0.106 R)
• M12: 7,502,782 km (0.082 R)
• M13: 7,831,748 km (0.047 R)
• M14: 8,518,402 km (0.081 R)
• M15: 13,163,715 km (0.065 R)
• M16: 14,707,415 km (0.034 R)
• M17: 15,979,895 km (0.119 R)
• M18: 17,001,349 km (0.039 R)
• M19: 20,056,287 km (0.099 R)
• M20: 23,657,856 km (0.111 R)
• M21: 28,566,611 km (0.049 R)
• M22: 30,897,495 km (0.059 R)
• M23: 32,726,778 km (0.117 R)
• M24: 34,113,251 km (0.103 R)
• M25: 34,756,223 km (0.114 R)
• M26: 35,801,762 km (0.064 R)
• M27: 36,733,608 km (0.108 R)
• M28: 37,002,884 km (0.101 R)
• M29: 40,479,837 km (0.117 R)
• M30: 41,929,590 km (0.075 R)
• M31: 49,372,384 km (0.114 R)
• M32: 57,649,035 km (0.057 R)
• M33: 62,879,725 km (0.092 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 19,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit