🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.7

Radius: 8.2

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.58 AU - 0.76 AU

Year: 379 Days

Day: 12.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,640,321 km

• M1: 102,624 km (0.089 R)
• M2: 419,323 km (0.083 R)
• M3: 707,748 km (0.079 R)
• M4: 1,079,797 km (0.117 R)
• M5: 1,382,284 km (0.12 R)
• M6: 1,688,362 km (0.107 R)
• M7: 1,958,386 km (0.045 R)
• M8: 2,508,158 km (0.059 R)
• M9: 2,796,283 km (0.092 R)
• M10: 3,592,742 km (0.066 R)
• M11: 3,936,668 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.7

Radius: 12.1

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.11 AU - 1.49 AU

Year: 1023 Days

Day: 10.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,640,321 km

• M1: 150,495 km (0.067 R)
• M2: 651,050 km (0.119 R)
• M3: 1,185,414 km (0.097 R)
• M4: 1,829,283 km (0.048 R)
• M5: 2,346,293 km (0.114 R)
• M6: 2,929,725 km (0.068 R)
• M7: 3,316,286 km (0.095 R)
• M8: 4,258,154 km (0.088 R)
• M9: 4,673,587 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.8

Radius: 12.9

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.41 AU - 1.89 AU

Year: 1463 Days

Day: 9.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,640,321 km

• M1: 160,967 km (0.087 R)
• M2: 630,256 km (0.093 R)
• M3: 1,040,603 km (0.091 R)
• M4: 1,648,569 km (0.087 R)
• M5: 2,423,186 km (0.085 R)
• M6: 2,895,018 km (0.091 R)
• M7: 4,535,508 km (0.118 R)
• M8: 7,446,982 km (0.103 R)
• M9: 7,868,250 km (0.071 R)
• M10: 9,102,282 km (0.101 R)
• M11: 9,519,361 km (0.085 R)
• M12: 11,687,483 km (0.088 R)
• M13: 12,219,453 km (0.066 R)
• M14: 13,372,853 km (0.08 R)
• M15: 14,167,068 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.9

Radius: 8.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.94 AU - 3.26 AU

Year: 3768 Days

Day: 14.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,640,321 km

• M1: 199,863 km (0.057 R)
• M2: 729,439 km (0.109 R)
• M3: 1,063,641 km (0.064 R)
• M4: 1,490,294 km (0.079 R)
• M5: 1,790,387 km (0.078 R)
• M6: 2,061,608 km (0.04 R)
• M7: 2,647,284 km (0.091 R)
• M8: 3,152,177 km (0.117 R)
• M9: 3,788,566 km (0.114 R)
• M10: 4,221,203 km (0.079 R)
• M11: 4,547,326 km (0.079 R)
• M12: 5,142,427 km (0.112 R)
• M13: 6,512,594 km (0.059 R)
• M14: 7,001,629 km (0.09 R)
• M15: 7,377,419 km (0.096 R)
• M16: 11,244,823 km (0.045 R)
• M17: 14,237,080 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.6

Radius: 14.2

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.42 AU - 4.74 AU

Year: 5689 Days

Day: 9.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,640,321 km

• M1: 176,825 km (0.104 R)
• M2: 753,524 km (0.055 R)
• M3: 2,058,018 km (0.091 R)
• M4: 2,878,413 km (0.059 R)
• M5: 4,310,064 km (0.044 R)
• M6: 5,628,171 km (0.103 R)
• M7: 6,559,119 km (0.113 R)
• M8: 7,200,146 km (0.114 R)
• M9: 7,957,260 km (0.112 R)
• M10: 8,967,644 km (0.08 R)
• M11: 9,758,718 km (0.076 R)
• M12: 10,550,689 km (0.078 R)
• M13: 11,055,582 km (0.118 R)
• M14: 12,014,953 km (0.04 R)
• M15: 12,770,422 km (0.087 R)
• M16: 13,503,901 km (0.06 R)
• M17: 14,376,355 km (0.067 R)
• M18: 16,476,709 km (0.106 R)
• M19: 17,283,341 km (0.109 R)
• M20: 18,246,602 km (0.083 R)
• M21: 18,841,553 km (0.026 R)
• M22: 21,062,483 km (0.104 R)
• M23: 21,717,422 km (0.099 R)
• M24: 22,611,718 km (0.055 R)
• M25: 27,198,688 km (0.103 R)
• M26: 28,945,393 km (0.09 R)
• M27: 31,045,149 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.3

Radius: 10.8

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.05 AU - 4.91 AU

Year: 6545 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,640,321 km

• M1: 134,339 km (0.089 R)
• M2: 615,296 km (0.099 R)
• M3: 1,037,162 km (0.109 R)
• M4: 1,505,703 km (0.111 R)
• M5: 3,420,256 km (0.12 R)
• M6: 3,911,236 km (0.096 R)
• M7: 4,322,630 km (0.113 R)
• M8: 7,575,337 km (0.118 R)
• M9: 9,566,185 km (0.112 R)
• M10: 10,636,409 km (0.094 R)
• M11: 11,200,542 km (0.082 R)
• M12: 11,933,721 km (0.114 R)
• M13: 13,550,126 km (0.101 R)
• M14: 14,553,030 km (0.085 R)
• M15: 18,996,237 km (0.115 R)
• M16: 19,339,564 km (0.107 R)
• M17: 22,237,574 km (0.088 R)
• M18: 22,772,835 km (0.083 R)
• M19: 23,238,533 km (0.067 R)
• M20: 25,247,782 km (0.082 R)
• M21: 26,850,275 km (0.051 R)
• M22: 28,251,408 km (0.061 R)
• M23: 29,333,898 km (0.112 R)
• M24: 29,793,014 km (0.118 R)
• M25: 31,773,840 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913

Radius: 14.9

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.32 AU - 5.86 AU

Year: 7927 Days

Day: 5.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,640,321 km

• M1: 185,352 km (0.094 R)
• M2: 697,874 km (0.113 R)
• M3: 1,525,749 km (0.065 R)
• M4: 2,319,814 km (0.085 R)
• M5: 4,709,341 km (0.12 R)
• M6: 5,675,743 km (0.057 R)
• M7: 6,475,643 km (0.081 R)
• M8: 6,960,191 km (0.091 R)
• M9: 7,877,375 km (0.116 R)
• M10: 9,055,608 km (0.11 R)
• M11: 11,170,473 km (0.063 R)
• M12: 13,004,094 km (0.059 R)
• M13: 19,167,676 km (0.086 R)
• M14: 20,093,537 km (0.086 R)
• M15: 22,034,420 km (0.094 R)
• M16: 27,429,817 km (0.104 R)
• M17: 29,712,830 km (0.111 R)
• M18: 32,119,860 km (0.089 R)
• M19: 36,377,565 km (0.114 R)
• M20: 37,796,800 km (0.099 R)
• M21: 39,252,536 km (0.078 R)
• M22: 40,118,858 km (0.063 R)
• M23: 43,580,104 km (0.117 R)

Asteroid Belt

Center: 5.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.3

Radius: 5.9

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.85 AU - 6.65 AU

Year: 9517 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,640,321 km

• M1: 75,547 km (0.062 R)
• M2: 525,837 km (0.057 R)
• M3: 907,311 km (0.104 R)
• M4: 1,224,758 km (0.102 R)
• M5: 1,881,792 km (0.109 R)
• M6: 2,543,912 km (0.104 R)
• M7: 4,186,197 km (0.096 R)
• M8: 5,272,427 km (0.117 R)
• M9: 7,867,801 km (0.073 R)
• M10: 8,186,893 km (0.096 R)
• M11: 10,571,932 km (0.07 R)
• M12: 10,765,212 km (0.09 R)
• M13: 12,237,405 km (0.116 R)
• M14: 24,226,627 km (0.109 R)
• M15: 25,938,924 km (0.073 R)
• M16: 26,202,516 km (0.113 R)
• M17: 28,283,572 km (0.114 R)
• M18: 29,221,700 km (0.119 R)
• M19: 34,015,265 km (0.096 R)
• M20: 34,331,215 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.1

Radius: 6.1

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.19 AU - 7.39 AU

Year: 12213 Days

Day: 19.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,640,321 km

• M1: 77,492 km (0.086 R)
• M2: 794,664 km (0.087 R)
• M3: 1,345,782 km (0.103 R)
• M4: 1,922,183 km (0.114 R)
• M5: 2,511,748 km (0.055 R)
• M6: 2,795,685 km (0.037 R)
• M7: 3,961,800 km (0.074 R)
• M8: 5,097,847 km (0.119 R)
• M9: 8,341,278 km (0.116 R)
• M10: 10,387,328 km (0.101 R)
• M11: 12,111,593 km (0.068 R)
• M12: 14,524,308 km (0.117 R)
• M13: 17,096,344 km (0.073 R)
• M14: 17,674,091 km (0.097 R)
• M15: 20,355,633 km (0.086 R)
• M16: 21,086,568 km (0.03 R)
• M17: 21,667,157 km (0.108 R)
• M18: 22,088,275 km (0.063 R)
• M19: 22,600,798 km (0.11 R)
• M20: 23,472,654 km (0.054 R)
• M21: 24,366,651 km (0.027 R)
• M22: 25,656,184 km (0.112 R)
• M23: 27,184,925 km (0.113 R)
• M24: 31,377,555 km (0.117 R)
• M25: 35,397,399 km (0.088 R)
• M26: 39,496,830 km (0.112 R)
• M27: 39,747,406 km (0.119 R)
• M28: 41,531,062 km (0.106 R)
• M29: 41,920,166 km (0.086 R)
• M30: 42,442,711 km (0.089 R)
• M31: 43,634,109 km (0.097 R)
• M32: 46,222,451 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 19,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit