🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.3

Radius: 14.3

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.54 AU - 0.6 AU

Year: 297 Days

Day: 13.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,981,913 km

• M1: 177,872 km (0.057 R)
• M2: 700,118 km (0.093 R)
• M3: 1,197,980 km (0.077 R)
• M4: 1,848,132 km (0.104 R)
• M5: 2,391,621 km (0.079 R)
• M6: 2,922,544 km (0.089 R)
• M7: 3,450,325 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430

Radius: 14.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.59 AU - 0.69 AU

Year: 353 Days

Day: 10.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,981,913 km

• M1: 182,809 km (0.062 R)
• M2: 771,775 km (0.099 R)
• M3: 1,252,433 km (0.1 R)
• M4: 1,831,078 km (0.098 R)
• M5: 2,570,690 km (0.095 R)
• M6: 3,690,879 km (0.067 R)
• M7: 4,182,906 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 8

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.98 AU - 1 AU

Year: 680 Days

Day: 7.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,981,913 km

• M1: 99,931 km (0.094 R)
• M2: 695,780 km (0.109 R)
• M3: 1,346,381 km (0.08 R)
• M4: 1,605,784 km (0.09 R)
• M5: 1,982,172 km (0.091 R)
• M6: 2,460,137 km (0.109 R)
• M7: 2,828,148 km (0.104 R)
• M8: 3,776,598 km (0.087 R)
• M9: 4,125,460 km (0.119 R)
• M10: 4,578,892 km (0.085 R)
• M11: 5,302,646 km (0.119 R)
• M12: 5,604,983 km (0.104 R)
• M13: 6,369,279 km (0.116 R)
• M14: 7,110,387 km (0.104 R)
• M15: 7,549,008 km (0.093 R)
• M16: 8,253,015 km (0.107 R)
• M17: 8,505,686 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.5

Radius: 10.1

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.94 AU - 1.06 AU

Year: 690 Days

Day: 8.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,981,913 km

• M1: 125,812 km (0.071 R)
• M2: 452,384 km (0.105 R)
• M3: 767,138 km (0.066 R)
• M4: 1,117,646 km (0.047 R)
• M5: 1,673,402 km (0.057 R)
• M6: 2,352,875 km (0.102 R)
• M7: 2,727,768 km (0.072 R)
• M8: 3,529,014 km (0.117 R)
• M9: 3,858,129 km (0.061 R)
• M10: 4,398,776 km (0.047 R)
• M11: 4,936,431 km (0.071 R)
• M12: 5,312,819 km (0.049 R)
• M13: 6,123,340 km (0.107 R)
• M14: 6,537,277 km (0.036 R)
• M15: 6,903,792 km (0.091 R)
• M16: 7,701,897 km (0.116 R)
• M17: 8,086,662 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.8

Radius: 8.5

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.55 AU - 2.35 AU

Year: 1880 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 120.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,981,913 km

• M1: 105,766 km (0.097 R)
• M2: 403,465 km (0.054 R)
• M3: 890,855 km (0.074 R)
• M4: 1,394,402 km (0.11 R)
• M5: 1,664,875 km (0.065 R)
• M6: 2,088,985 km (0.115 R)
• M7: 3,789,314 km (0.072 R)
• M8: 4,069,660 km (0.099 R)
• M9: 4,526,682 km (0.059 R)
• M10: 5,614,408 km (0.032 R)
• M11: 7,429,180 km (0.095 R)
• M12: 7,960,551 km (0.07 R)
• M13: 8,235,662 km (0.093 R)
• M14: 12,051,904 km (0.077 R)
• M15: 13,333,808 km (0.103 R)
• M16: 14,252,339 km (0.061 R)
• M17: 16,166,144 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.5

Radius: 10.7

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.3 AU - 2.3 AU

Year: 2408 Days

Day: 13.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,981,913 km

• M1: 133,292 km (0.104 R)
• M2: 519,254 km (0.114 R)
• M3: 1,058,106 km (0.066 R)
• M4: 1,403,976 km (0.109 R)
• M5: 2,482,427 km (0.111 R)
• M6: 2,934,661 km (0.11 R)
• M7: 3,761,788 km (0.063 R)
• M8: 4,280,444 km (0.077 R)
• M9: 4,846,223 km (0.054 R)
• M10: 5,653,154 km (0.065 R)
• M11: 6,050,935 km (0.082 R)
• M12: 6,682,537 km (0.104 R)
• M13: 7,533,450 km (0.103 R)
• M14: 9,211,040 km (0.113 R)
• M15: 10,011,538 km (0.09 R)
• M16: 11,434,962 km (0.119 R)
• M17: 12,442,354 km (0.092 R)
• M18: 13,551,622 km (0.106 R)
• M19: 14,679,291 km (0.075 R)
• M20: 16,916,078 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.6

Radius: 11.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.25 AU - 3.09 AU

Year: 3011 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,981,913 km

• M1: 141,819 km (0.057 R)
• M2: 508,334 km (0.07 R)
• M3: 876,344 km (0.08 R)
• M4: 1,235,678 km (0.118 R)
• M5: 2,162,736 km (0.1 R)
• M6: 2,682,589 km (0.03 R)
• M7: 3,833,894 km (0.102 R)
• M8: 4,204,897 km (0.119 R)
• M9: 4,691,090 km (0.105 R)
• M10: 5,465,259 km (0.097 R)
• M11: 6,127,828 km (0.101 R)
• M12: 7,113,977 km (0.088 R)
• M13: 20,406,646 km (0.029 R)
• M14: 20,844,369 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.1

Radius: 5.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.05 AU - 7.83 AU

Year: 11281 Days

Day: 23.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,981,913 km

• M1: 70,311 km (0.102 R)
• M2: 249,380 km (0.102 R)
• M3: 606,919 km (0.114 R)
• M4: 1,507,947 km (0.078 R)
• M5: 1,962,574 km (0.108 R)
• M6: 2,818,274 km (0.079 R)
• M7: 2,994,052 km (0.116 R)
• M8: 6,412,962 km (0.069 R)
• M9: 6,625,690 km (0.104 R)
• M10: 8,574,651 km (0.103 R)
• M11: 9,443,366 km (0.098 R)
• M12: 14,112,914 km (0.108 R)
• M13: 20,975,117 km (0.078 R)
• M14: 22,965,966 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.6

Radius: 6.9

Gravity: 18.43 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.88 AU - 8.08 AU

Year: 11386 Days

Day: 23 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,981,913 km

• M1: 90,656 km (0.115 R)
• M2: 340,485 km (0.047 R)
• M3: 689,347 km (0.051 R)
• M4: 1,303,596 km (0.107 R)
• M5: 2,515,937 km (0.056 R)
• M6: 3,220,543 km (0.081 R)
• M7: 3,578,979 km (0.098 R)
• M8: 4,913,991 km (0.06 R)
• M9: 5,182,220 km (0.049 R)
• M10: 8,101,473 km (0.091 R)
• M11: 8,668,149 km (0.075 R)
• M12: 16,829,461 km (0.114 R)
• M13: 18,705,568 km (0.073 R)
• M14: 25,262,592 km (0.11 R)
• M15: 25,861,283 km (0.117 R)
• M16: 34,041,295 km (0.103 R)
• M17: 35,886,285 km (0.108 R)
• M18: 36,137,310 km (0.094 R)
• M19: 41,819,935 km (0.082 R)
• M20: 42,517,061 km (0.069 R)
• M21: 42,798,006 km (0.1 R)
• M22: 45,676,568 km (0.111 R)
• M23: 47,615,207 km (0.111 R)
• M24: 52,620,004 km (0.116 R)
• M25: 55,082,086 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.5

Radius: 3.5

Gravity: 53.02 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 9.11 AU - 11.33 AU

Year: 22552 Days

Day: 24 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,981,913 km

• M1: 44,131 km (0.112 R)
• M2: 166,652 km (0.044 R)
• M3: 381,325 km (0.088 R)
• M4: 547,678 km (0.03 R)
• M5: 859,141 km (0.055 R)
• M6: 1,028,336 km (0.11 R)
• M7: 1,672,355 km (0.057 R)
• M8: 2,431,564 km (0.107 R)
• M9: 6,169,566 km (0.082 R)
• M10: 8,608,759 km (0.116 R)
• M11: 9,334,608 km (0.096 R)
• M12: 10,221,723 km (0.096 R)
• M13: 15,191,065 km (0.082 R)
• M14: 16,582,176 km (0.086 R)
• M15: 17,967,003 km (0.111 R)
• M16: 20,669,938 km (0.033 R)
• M17: 22,684,124 km (0.098 R)
• M18: 23,631,676 km (0.07 R)
• M19: 25,605,620 km (0.105 R)
• M20: 34,189,397 km (0.119 R)
• M21: 36,279,428 km (0.103 R)
• M22: 37,719,009 km (0.112 R)
• M23: 38,749,289 km (0.061 R)
• M24: 41,483,938 km (0.039 R)
• M25: 42,581,388 km (0.101 R)
• M26: 44,833,883 km (0.104 R)
• M27: 48,877,813 km (0.099 R)
• M28: 56,336,763 km (0.041 R)
• M29: 56,718,836 km (0.032 R)
• M30: 60,435,146 km (0.091 R)
• M31: 66,202,593 km (0.099 R)
• M32: 71,206,043 km (0.104 R)
• M33: 77,158,692 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 16,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit