🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341

Radius: 14.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.71 AU - 0.91 AU

Year: 503 Days

Day: 14.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,650,715 km

• M1: 176,675 km (0.115 R)
• M2: 912,697 km (0.086 R)
• M3: 1,357,002 km (0.1 R)
• M4: 2,066,695 km (0.118 R)
• M5: 2,568,296 km (0.118 R)
• M6: 3,015,594 km (0.099 R)
• M7: 3,527,069 km (0.104 R)
• M8: 4,020,443 km (0.06 R)
• M9: 4,532,516 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814

Radius: 13

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.98 AU - 1.04 AU

Year: 701 Days

Day: 9.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,650,715 km

• M1: 161,715 km (0.116 R)
• M2: 707,598 km (0.096 R)
• M3: 1,379,891 km (0.094 R)
• M4: 2,008,950 km (0.056 R)
• M5: 2,662,842 km (0.096 R)
• M6: 3,115,824 km (0.103 R)
• M7: 3,776,748 km (0.106 R)
• M8: 4,694,830 km (0.076 R)
• M9: 5,343,038 km (0.069 R)
• M10: 6,130,521 km (0.037 R)
• M11: 6,884,644 km (0.091 R)
• M12: 7,559,480 km (0.089 R)
• M13: 8,033,555 km (0.101 R)
• M14: 8,451,980 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.8

Radius: 11.8

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.43 AU - 1.71 AU

Year: 1358 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,650,715 km

• M1: 146,905 km (0.099 R)
• M2: 546,182 km (0.049 R)
• M3: 1,211,294 km (0.094 R)
• M4: 1,649,167 km (0.11 R)
• M5: 2,117,558 km (0.028 R)
• M6: 2,599,562 km (0.076 R)
• M7: 3,154,570 km (0.099 R)
• M8: 3,676,368 km (0.095 R)
• M9: 4,237,958 km (0.102 R)
• M10: 4,856,096 km (0.118 R)
• M11: 5,430,253 km (0.117 R)
• M12: 6,273,237 km (0.109 R)
• M13: 7,052,941 km (0.098 R)
• M14: 7,453,714 km (0.107 R)
• M15: 7,896,075 km (0.083 R)
• M16: 8,411,439 km (0.118 R)
• M17: 9,123,525 km (0.035 R)
• M18: 9,813,770 km (0.09 R)
• M19: 10,700,586 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.9

Radius: 12

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.32 AU - 1.86 AU

Year: 1384 Days

Day: 12.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,650,715 km

• M1: 149,299 km (0.106 R)
• M2: 595,100 km (0.076 R)
• M3: 1,015,022 km (0.115 R)
• M4: 1,459,926 km (0.08 R)
• M5: 2,069,088 km (0.075 R)
• M6: 2,842,659 km (0.104 R)
• M7: 3,485,930 km (0.099 R)
• M8: 3,868,751 km (0.093 R)
• M9: 6,666,380 km (0.09 R)
• M10: 7,101,860 km (0.107 R)
• M11: 9,412,548 km (0.1 R)
• M12: 9,928,960 km (0.09 R)
• M13: 10,430,113 km (0.098 R)
• M14: 11,124,546 km (0.095 R)
• M15: 11,519,485 km (0.099 R)
• M16: 12,995,866 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.1

Radius: 12.8

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.61 AU - 2.09 AU

Year: 1737 Days

Day: 10.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,650,715 km

• M1: 164,707 km (0.112 R)
• M2: 575,952 km (0.111 R)
• M3: 1,557,613 km (0.071 R)
• M4: 2,678,699 km (0.057 R)
• M5: 3,687,438 km (0.073 R)
• M6: 4,162,860 km (0.055 R)
• M7: 6,535,632 km (0.101 R)
• M8: 8,676,228 km (0.084 R)
• M9: 9,698,430 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.4

Radius: 12.9

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.09 AU - 2.37 AU

Year: 2299 Days

Day: 11.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,650,715 km

• M1: 160,369 km (0.101 R)
• M2: 724,054 km (0.083 R)
• M3: 2,149,721 km (0.111 R)
• M4: 3,273,650 km (0.101 R)
• M5: 4,560,790 km (0.097 R)
• M6: 5,403,774 km (0.12 R)
• M7: 5,952,499 km (0.057 R)
• M8: 8,932,040 km (0.119 R)
• M9: 9,992,091 km (0.117 R)
• M10: 11,412,822 km (0.045 R)
• M11: 12,446,543 km (0.073 R)
• M12: 14,275,377 km (0.098 R)
• M13: 14,699,786 km (0.108 R)
• M14: 16,430,933 km (0.116 R)
• M15: 17,372,352 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.9

Radius: 12.7

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.15 AU - 5.55 AU

Year: 7373 Days

Day: 7.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,650,715 km

• M1: 158,574 km (0.051 R)
• M2: 735,423 km (0.082 R)
• M3: 1,503,309 km (0.111 R)
• M4: 2,740,483 km (0.108 R)
• M5: 3,573,444 km (0.086 R)
• M6: 4,416,129 km (0.074 R)
• M7: 5,159,780 km (0.116 R)
• M8: 6,047,494 km (0.064 R)
• M9: 6,828,993 km (0.068 R)
• M10: 9,710,099 km (0.048 R)
• M11: 11,588,001 km (0.104 R)
• M12: 12,433,827 km (0.032 R)
• M13: 12,950,239 km (0.089 R)
• M14: 19,478,690 km (0.104 R)
• M15: 21,399,975 km (0.085 R)
• M16: 29,894,741 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.3

Radius: 5.4

Gravity: 24.8 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.3 AU - 9.28 AU

Year: 15008 Days

Day: 15.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,650,715 km

• M1: 73,004 km (0.04 R)
• M2: 875,596 km (0.097 R)
• M3: 1,077,853 km (0.053 R)
• M4: 1,440,328 km (0.104 R)
• M5: 1,724,714 km (0.077 R)
• M6: 1,898,397 km (0.114 R)
• M7: 2,181,137 km (0.038 R)
• M8: 2,646,386 km (0.113 R)
• M9: 4,313,056 km (0.086 R)
• M10: 4,870,458 km (0.09 R)
• M11: 5,661,531 km (0.036 R)
• M12: 7,632,783 km (0.119 R)
• M13: 8,201,105 km (0.115 R)
• M14: 11,171,670 km (0.092 R)
• M15: 12,408,994 km (0.112 R)
• M16: 12,928,697 km (0.088 R)
• M17: 15,373,575 km (0.096 R)
• M18: 17,538,705 km (0.097 R)
• M19: 20,341,720 km (0.11 R)
• M20: 21,709,045 km (0.104 R)
• M21: 22,272,879 km (0.073 R)
• M22: 29,588,514 km (0.118 R)
• M23: 30,281,302 km (0.118 R)
• M24: 37,949,389 km (0.057 R)
• M25: 41,147,194 km (0.105 R)
• M26: 43,920,588 km (0.081 R)
• M27: 50,816,602 km (0.12 R)
• M28: 52,815,229 km (0.117 R)
• M29: 59,672,047 km (0.075 R)
• M30: 63,027,528 km (0.084 R)
• M31: 63,598,842 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593

Radius: 7.1

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.39 AU - 8.77 AU

Year: 15854 Days

Day: 22.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,650,715 km

• M1: 88,412 km (0.12 R)
• M2: 377,136 km (0.083 R)
• M3: 704,756 km (0.085 R)
• M4: 1,191,098 km (0.101 R)
• M5: 1,648,419 km (0.118 R)
• M6: 2,399,251 km (0.108 R)
• M7: 2,657,457 km (0.068 R)
• M8: 3,154,122 km (0.031 R)
• M9: 3,655,424 km (0.11 R)
• M10: 4,117,681 km (0.114 R)
• M11: 5,517,169 km (0.107 R)
• M12: 6,284,307 km (0.075 R)
• M13: 6,735,495 km (0.114 R)
• M14: 7,656,569 km (0.05 R)
• M15: 9,012,075 km (0.062 R)
• M16: 9,692,895 km (0.062 R)
• M17: 10,128,524 km (0.091 R)
• M18: 15,894,325 km (0.082 R)
• M19: 20,552,204 km (0.065 R)
• M20: 21,545,235 km (0.05 R)
• M21: 22,100,093 km (0.096 R)
• M22: 23,238,384 km (0.068 R)
• M23: 25,631,501 km (0.082 R)
• M24: 28,847,556 km (0.075 R)
• M25: 31,017,922 km (0.081 R)
• M26: 32,685,190 km (0.111 R)
• M27: 34,536,912 km (0.053 R)
• M28: 35,424,477 km (0.089 R)
• M29: 35,809,542 km (0.105 R)
• M30: 37,245,083 km (0.107 R)
• M31: 44,703,135 km (0.089 R)
• M32: 54,962,706 km (0.077 R)
• M33: 57,398,609 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.9

Radius: 7.9

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.35 AU - 10.91 AU

Year: 19042 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,650,715 km

• M1: 268,379 km (0.11 R)
• M2: 2,659,850 km (0.077 R)
• M3: 4,445,750 km (0.091 R)
• M4: 4,881,229 km (0.096 R)
• M5: 8,815,055 km (0.075 R)
• M6: 10,120,595 km (0.088 R)
• M7: 12,985,245 km (0.105 R)
• M8: 15,494,300 km (0.107 R)
• M9: 17,538,106 km (0.051 R)
• M10: 20,675,323 km (0.067 R)
• M11: 23,792,644 km (0.119 R)
• M12: 25,511,673 km (0.118 R)
• M13: 29,302,483 km (0.095 R)
• M14: 34,758,168 km (0.036 R)
• M15: 35,728,759 km (0.118 R)
• M16: 36,967,279 km (0.078 R)
• M17: 44,012,591 km (0.083 R)
• M18: 49,429,081 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 14,901 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit