🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.9

Radius: 11.3

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.44 AU - 0.62 AU

Year: 266 Days

Day: 5.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,437,356 km

• M1: 141,220 km (0.03 R)
• M2: 495,618 km (0.103 R)
• M3: 901,926 km (0.117 R)
• M4: 1,260,661 km (0.118 R)
• M5: 1,669,811 km (0.064 R)
• M6: 2,043,208 km (0.089 R)
• M7: 2,488,561 km (0.103 R)
• M8: 3,106,849 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.4

Radius: 10.8

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.84 AU - 1.04 AU

Year: 629 Days

Day: 8.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,437,356 km

• M1: 134,339 km (0.027 R)
• M2: 490,083 km (0.082 R)
• M3: 1,000,511 km (0.082 R)
• M4: 1,434,195 km (0.105 R)
• M5: 2,439,792 km (0.111 R)
• M6: 3,260,336 km (0.052 R)

Asteroid Belt

Center: 1.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.6

Radius: 9.5

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.11 AU - 1.83 AU

Year: 1230 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,437,356 km

• M1: 118,182 km (0.073 R)
• M2: 473,926 km (0.065 R)
• M3: 851,062 km (0.096 R)
• M4: 1,275,621 km (0.097 R)
• M5: 1,671,906 km (0.07 R)
• M6: 2,115,912 km (0.088 R)
• M7: 2,624,395 km (0.115 R)
• M8: 2,922,095 km (0.114 R)
• M9: 3,242,534 km (0.106 R)
• M10: 3,989,476 km (0.048 R)
• M11: 5,362,036 km (0.038 R)
• M12: 7,795,545 km (0.027 R)
• M13: 9,008,784 km (0.073 R)
• M14: 12,322,077 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89

Radius: 11.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.5 AU - 2.06 AU

Year: 1639 Days

Day: 12.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,437,356 km

• M1: 144,362 km (0.041 R)
• M2: 517,160 km (0.086 R)
• M3: 1,163,871 km (0.101 R)
• M4: 1,969,157 km (0.08 R)
• M5: 3,500,590 km (0.093 R)
• M6: 4,444,553 km (0.03 R)
• M7: 5,034,567 km (0.105 R)
• M8: 5,748,597 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.7

Radius: 10.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.47 AU - 4.45 AU

Year: 5439 Days

Day: 8.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,437,356 km

• M1: 131,646 km (0.112 R)
• M2: 568,921 km (0.064 R)
• M3: 1,190,350 km (0.091 R)
• M4: 1,543,551 km (0.119 R)
• M5: 2,120,699 km (0.114 R)
• M6: 2,784,016 km (0.091 R)
• M7: 3,164,893 km (0.116 R)
• M8: 4,921,022 km (0.105 R)
• M9: 5,425,765 km (0.064 R)
• M10: 6,415,205 km (0.079 R)
• M11: 7,939,757 km (0.07 R)
• M12: 8,264,235 km (0.095 R)
• M13: 8,635,238 km (0.085 R)
• M14: 9,331,018 km (0.093 R)
• M15: 10,022,010 km (0.11 R)
• M16: 11,460,543 km (0.097 R)
• M17: 12,300,984 km (0.119 R)
• M18: 13,032,219 km (0.046 R)
• M19: 16,715,318 km (0.073 R)
• M20: 18,541,160 km (0.092 R)
• M21: 19,113,821 km (0.1 R)
• M22: 19,829,946 km (0.09 R)
• M23: 20,903,161 km (0.104 R)
• M24: 22,014,673 km (0.093 R)
• M25: 25,351,902 km (0.064 R)
• M26: 26,295,865 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.5

Radius: 9.6

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.89 AU - 4.13 AU

Year: 5543 Days

Day: 9.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,437,356 km

• M1: 120,127 km (0.094 R)
• M2: 470,635 km (0.115 R)
• M3: 926,908 km (0.046 R)
• M4: 1,370,167 km (0.099 R)
• M5: 1,909,018 km (0.083 R)
• M6: 2,414,061 km (0.098 R)
• M7: 2,743,924 km (0.067 R)
• M8: 5,118,940 km (0.046 R)
• M9: 6,002,764 km (0.119 R)
• M10: 10,483,968 km (0.034 R)
• M11: 10,897,307 km (0.091 R)
• M12: 14,101,993 km (0.042 R)
• M13: 16,742,994 km (0.116 R)
• M14: 20,256,599 km (0.036 R)
• M15: 20,826,567 km (0.08 R)
• M16: 22,600,498 km (0.105 R)
• M17: 30,060,196 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.7

Radius: 8.2

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.3 AU - 4.74 AU

Year: 6633 Days

Day: 13.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 158 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,437,356 km

• M1: 102,774 km (0.054 R)
• M2: 369,806 km (0.108 R)
• M3: 1,023,399 km (0.096 R)
• M4: 1,531,733 km (0.115 R)
• M5: 1,911,711 km (0.097 R)
• M6: 2,353,773 km (0.042 R)
• M7: 2,702,635 km (0.12 R)
• M8: 3,340,820 km (0.06 R)
• M9: 4,707,247 km (0.081 R)
• M10: 5,402,278 km (0.057 R)
• M11: 5,687,113 km (0.102 R)
• M12: 7,197,303 km (0.059 R)
• M13: 8,379,725 km (0.108 R)
• M14: 9,116,494 km (0.043 R)
• M15: 11,493,006 km (0.073 R)
• M16: 15,875,176 km (0.106 R)
• M17: 16,284,027 km (0.065 R)
• M18: 17,367,864 km (0.078 R)
• M19: 21,187,397 km (0.066 R)
• M20: 22,042,049 km (0.091 R)
• M21: 27,324,799 km (0.081 R)
• M22: 27,659,450 km (0.046 R)
• M23: 28,336,978 km (0.097 R)
• M24: 28,938,960 km (0.041 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.8

Radius: 14.5

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.27 AU - 5.29 AU

Year: 8375 Days

Day: 8.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 136.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,437,356 km

• M1: 188,643 km (0.071 R)
• M2: 1,032,076 km (0.051 R)
• M3: 1,543,551 km (0.097 R)
• M4: 2,365,591 km (0.1 R)
• M5: 3,129,587 km (0.072 R)
• M6: 3,582,570 km (0.07 R)
• M7: 5,465,409 km (0.114 R)
• M8: 7,069,397 km (0.115 R)
• M9: 8,879,980 km (0.076 R)
• M10: 11,241,083 km (0.097 R)
• M11: 13,050,769 km (0.069 R)
• M12: 16,623,016 km (0.078 R)
• M13: 21,198,766 km (0.068 R)
• M14: 30,756,275 km (0.083 R)
• M15: 33,829,464 km (0.113 R)
• M16: 36,985,530 km (0.055 R)
• M17: 38,040,495 km (0.102 R)
• M18: 39,356,806 km (0.116 R)
• M19: 40,087,592 km (0.077 R)
• M20: 41,576,240 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.5

Radius: 4

Gravity: 26.34 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.69 AU - 7.05 AU

Year: 12429 Days

Day: 23.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,437,356 km

• M1: 50,714 km (0.078 R)
• M2: 181,761 km (0.12 R)
• M3: 511,176 km (0.111 R)
• M4: 1,680,882 km (0.103 R)
• M5: 1,867,729 km (0.105 R)
• M6: 2,033,933 km (0.09 R)
• M7: 4,513,817 km (0.114 R)
• M8: 4,844,727 km (0.082 R)
• M9: 5,127,317 km (0.101 R)
• M10: 5,454,189 km (0.108 R)
• M11: 6,669,671 km (0.106 R)
• M12: 8,860,831 km (0.059 R)
• M13: 10,372,518 km (0.111 R)
• M14: 12,624,415 km (0.087 R)
• M15: 18,440,182 km (0.077 R)
• M16: 21,044,980 km (0.029 R)
• M17: 29,167,695 km (0.098 R)
• M18: 31,806,751 km (0.118 R)
• M19: 34,143,171 km (0.067 R)
• M20: 36,234,699 km (0.085 R)
• M21: 36,591,340 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.4

Radius: 7

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.8 AU - 8.22 AU

Year: 14206 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,437,356 km

• M1: 87,066 km (0.085 R)
• M2: 373,247 km (0.071 R)
• M3: 606,919 km (0.038 R)
• M4: 860,337 km (0.099 R)
• M5: 1,135,597 km (0.09 R)
• M6: 1,426,117 km (0.102 R)
• M7: 2,120,699 km (0.111 R)
• M8: 2,501,127 km (0.115 R)
• M9: 2,764,269 km (0.091 R)
• M10: 3,218,897 km (0.071 R)
• M11: 5,020,505 km (0.077 R)
• M12: 5,549,931 km (0.03 R)
• M13: 5,771,785 km (0.114 R)
• M14: 7,057,579 km (0.106 R)
• M15: 8,187,192 km (0.117 R)
• M16: 10,914,212 km (0.046 R)
• M17: 13,057,650 km (0.1 R)
• M18: 16,584,420 km (0.11 R)
• M19: 18,156,993 km (0.095 R)
• M20: 19,912,673 km (0.056 R)
• M21: 22,895,356 km (0.061 R)
• M22: 23,276,082 km (0.041 R)
• M23: 27,211,853 km (0.071 R)
• M24: 28,288,060 km (0.093 R)
• M25: 31,452,204 km (0.12 R)
• M26: 33,851,605 km (0.106 R)
• M27: 36,241,580 km (0.108 R)
• M28: 47,542,353 km (0.108 R)
• M29: 51,829,828 km (0.062 R)
• M30: 53,648,190 km (0.089 R)
• M31: 57,062,313 km (0.094 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: 184 - 12,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit