🌌 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: 627.5

Radius: 11.5

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.74 AU - 0.88 AU

Year: 512 Days

Day: 6.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,144,293 km

• M1: 143,016 km (0.088 R)
• M2: 518,357 km (0.106 R)
• M3: 990,787 km (0.101 R)
• M4: 1,419,534 km (0.106 R)
• M5: 2,048,593 km (0.074 R)
• M6: 2,708,320 km (0.112 R)
• M7: 3,262,580 km (0.046 R)
• M8: 3,985,736 km (0.105 R)
• M9: 4,364,219 km (0.056 R)
• M10: 5,016,765 km (0.052 R)
• M11: 5,492,935 km (0.088 R)
• M12: 5,891,763 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.2

Radius: 10.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.65 AU - 1.03 AU

Year: 541 Days

Day: 9.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,144,293 km

• M1: 128,056 km (0.032 R)
• M2: 655,388 km (0.09 R)
• M3: 1,106,127 km (0.111 R)
• M4: 1,587,981 km (0.108 R)
• M5: 2,055,624 km (0.074 R)
• M6: 2,675,857 km (0.102 R)
• M7: 3,977,957 km (0.098 R)
• M8: 4,390,698 km (0.099 R)
• M9: 4,894,992 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.7

Radius: 12.8

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.14 AU - 1.62 AU

Year: 1140 Days

Day: 10.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,144,293 km

• M1: 159,172 km (0.11 R)
• M2: 644,916 km (0.08 R)
• M3: 1,177,784 km (0.052 R)
• M4: 1,967,960 km (0.104 R)
• M5: 2,437,697 km (0.073 R)
• M6: 3,126,147 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.1

Radius: 13.9

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.69 AU - 1.73 AU

Year: 1572 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,144,293 km

• M1: 172,935 km (0.119 R)
• M2: 641,924 km (0.09 R)
• M3: 1,357,301 km (0.095 R)
• M4: 1,820,606 km (0.106 R)
• M5: 2,534,786 km (0.081 R)
• M6: 3,627,898 km (0.032 R)
• M7: 5,777,320 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.6

Radius: 13.8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.37 AU - 2.43 AU

Year: 2614 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,144,293 km

• M1: 172,636 km (0.118 R)
• M2: 706,102 km (0.099 R)
• M3: 1,145,022 km (0.062 R)
• M4: 1,636,302 km (0.058 R)
• M5: 3,000,185 km (0.033 R)
• M6: 3,786,771 km (0.052 R)
• M7: 4,322,182 km (0.118 R)
• M8: 5,185,361 km (0.088 R)
• M9: 5,696,089 km (0.104 R)
• M10: 6,187,069 km (0.098 R)
• M11: 6,876,266 km (0.068 R)
• M12: 8,245,984 km (0.112 R)
• M13: 9,467,002 km (0.098 R)
• M14: 10,270,642 km (0.118 R)
• M15: 10,883,395 km (0.071 R)
• M16: 13,356,247 km (0.1 R)
• M17: 14,367,679 km (0.119 R)
• M18: 15,929,181 km (0.11 R)
• M19: 16,491,220 km (0.105 R)
• M20: 17,439,671 km (0.059 R)
• M21: 18,424,025 km (0.085 R)
• M22: 18,986,812 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779

Radius: 14

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.2 AU - 4.3 AU

Year: 5105 Days

Day: 14.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,144,293 km

• M1: 174,132 km (0.096 R)
• M2: 765,492 km (0.062 R)
• M3: 1,255,126 km (0.099 R)
• M4: 1,757,925 km (0.095 R)
• M5: 2,316,822 km (0.09 R)
• M6: 3,031,750 km (0.113 R)
• M7: 3,494,905 km (0.092 R)
• M8: 4,464,898 km (0.032 R)
• M9: 5,150,804 km (0.049 R)
• M10: 5,607,377 km (0.074 R)
• M11: 6,090,877 km (0.112 R)
• M12: 7,970,724 km (0.108 R)
• M13: 8,821,936 km (0.097 R)
• M14: 10,211,551 km (0.06 R)
• M15: 12,385,956 km (0.094 R)
• M16: 13,797,711 km (0.089 R)
• M17: 14,291,533 km (0.112 R)
• M18: 15,198,396 km (0.092 R)
• M19: 18,743,566 km (0.066 R)
• M20: 25,165,204 km (0.103 R)
• M21: 26,403,575 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.5

Radius: 14.1

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.21 AU - 4.57 AU

Year: 5393 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 140.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,144,293 km

• M1: 175,329 km (0.042 R)
• M2: 900,280 km (0.095 R)
• M3: 1,676,394 km (0.098 R)
• M4: 2,688,124 km (0.091 R)
• M5: 4,770,526 km (0.068 R)
• M6: 5,421,576 km (0.107 R)
• M7: 6,399,647 km (0.04 R)
• M8: 7,046,957 km (0.115 R)
• M9: 8,341,876 km (0.098 R)
• M10: 11,932,674 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.2

Radius: 6.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.08 AU - 9.94 AU

Year: 15935 Days

Day: 15.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,144,293 km

• M1: 93,947 km (0.062 R)
• M2: 314,604 km (0.07 R)
• M3: 551,717 km (0.09 R)
• M4: 1,664,875 km (0.088 R)
• M5: 2,717,595 km (0.051 R)
• M6: 4,533,414 km (0.105 R)
• M7: 4,788,329 km (0.081 R)
• M8: 6,209,060 km (0.056 R)
• M9: 6,667,128 km (0.031 R)
• M10: 7,849,849 km (0.101 R)
• M11: 16,436,019 km (0.069 R)
• M12: 16,635,134 km (0.047 R)
• M13: 24,409,885 km (0.074 R)
• M14: 31,976,395 km (0.037 R)
• M15: 32,704,488 km (0.102 R)
• M16: 33,337,287 km (0.03 R)
• M17: 36,062,212 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.2

Radius: 5.2

Gravity: 32.29 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.52 AU - 11.24 AU

Year: 20194 Days

Day: 15.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,144,293 km

• M1: 66,421 km (0.072 R)
• M2: 344,673 km (0.073 R)
• M3: 642,822 km (0.063 R)
• M4: 855,251 km (0.095 R)
• M5: 1,345,483 km (0.091 R)
• M6: 2,707,572 km (0.092 R)
• M7: 3,967,934 km (0.098 R)
• M8: 4,165,852 km (0.074 R)
• M9: 5,951,901 km (0.062 R)
• M10: 6,524,113 km (0.12 R)
• M11: 7,180,548 km (0.093 R)
• M12: 7,375,923 km (0.102 R)
• M13: 8,514,812 km (0.042 R)
• M14: 8,789,174 km (0.06 R)
• M15: 16,420,760 km (0.051 R)
• M16: 18,165,520 km (0.119 R)
• M17: 19,082,704 km (0.086 R)
• M18: 19,269,702 km (0.114 R)
• M19: 23,273,090 km (0.077 R)
• M20: 24,684,696 km (0.039 R)
• M21: 31,944,381 km (0.11 R)
• M22: 32,208,272 km (0.032 R)
• M23: 35,347,583 km (0.111 R)
• M24: 37,355,037 km (0.115 R)
• M25: 40,046,153 km (0.074 R)
• M26: 40,506,915 km (0.074 R)
• M27: 41,752,766 km (0.118 R)
• M28: 43,507,250 km (0.111 R)
• M29: 53,206,128 km (0.109 R)
• M30: 56,028,891 km (0.107 R)
• M31: 63,000,151 km (0.059 R)
• M32: 63,831,915 km (0.072 R)
• M33: 65,517,285 km (0.114 R)
• M34: 70,975,064 km (0.111 R)
• M35: 73,469,609 km (0.109 R)
• M36: 76,256,767 km (0.048 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.9

Radius: 5.3

Gravity: 19.58 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.29 AU - 9.99 AU

Year: 21039 Days

Day: 19.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,144,293 km

• M1: 86,916 km (0.116 R)
• M2: 1,194,090 km (0.089 R)
• M3: 2,813,338 km (0.119 R)
• M4: 3,619,520 km (0.113 R)
• M5: 3,950,581 km (0.091 R)
• M6: 4,171,537 km (0.068 R)
• M7: 4,956,626 km (0.11 R)
• M8: 6,549,245 km (0.108 R)
• M9: 6,769,603 km (0.098 R)
• M10: 7,086,750 km (0.088 R)
• M11: 7,701,598 km (0.088 R)
• M12: 8,047,169 km (0.072 R)
• M13: 8,716,320 km (0.072 R)
• M14: 9,091,511 km (0.117 R)
• M15: 11,701,396 km (0.101 R)
• M16: 12,290,811 km (0.108 R)
• M17: 14,846,841 km (0.094 R)
• M18: 18,426,119 km (0.119 R)
• M19: 19,858,519 km (0.051 R)
• M20: 22,341,694 km (0.076 R)
• M21: 22,741,270 km (0.086 R)
• M22: 26,221,515 km (0.039 R)
• M23: 32,145,590 km (0.076 R)
• M24: 33,298,840 km (0.101 R)
• M25: 40,064,853 km (0.111 R)
• M26: 46,224,246 km (0.091 R)
• M27: 49,527,965 km (0.113 R)
• M28: 51,583,889 km (0.087 R)
• M29: 55,865,081 km (0.069 R)
• M30: 58,468,533 km (0.116 R)
• M31: 67,799,251 km (0.074 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 14,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit