🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.7

Radius: 10.6

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.88 AU - 1.32 AU

Year: 757 Days

Day: 12.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,206,798 km

• M1: 132,095 km (0.055 R)
• M2: 491,728 km (0.073 R)
• M3: 947,703 km (0.081 R)
• M4: 1,480,271 km (0.066 R)
• M5: 1,820,606 km (0.074 R)
• M6: 2,445,476 km (0.048 R)
• M7: 3,355,031 km (0.054 R)
• M8: 3,812,053 km (0.076 R)
• M9: 4,896,039 km (0.092 R)

Asteroid Belt

Center: 1.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.2

Radius: 14.5

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.33 AU - 2.39 AU

Year: 2378 Days

Day: 11.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 81.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,206,798 km

• M1: 181,163 km (0.026 R)
• M2: 710,739 km (0.09 R)
• M3: 1,412,204 km (0.101 R)
• M4: 4,016,404 km (0.03 R)
• M5: 4,796,706 km (0.119 R)
• M6: 5,452,244 km (0.042 R)
• M7: 5,976,734 km (0.08 R)
• M8: 6,891,675 km (0.109 R)
• M9: 7,926,742 km (0.089 R)
• M10: 9,801,952 km (0.046 R)
• M11: 11,218,943 km (0.105 R)
• M12: 12,729,133 km (0.111 R)
• M13: 13,822,694 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.1

Radius: 14.3

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.32 AU - 2.7 AU

Year: 2609 Days

Day: 12.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,206,798 km

• M1: 179,069 km (0.099 R)
• M2: 673,190 km (0.025 R)
• M3: 1,183,918 km (0.11 R)
• M4: 1,752,389 km (0.1 R)
• M5: 2,599,861 km (0.089 R)
• M6: 3,094,881 km (0.046 R)
• M7: 3,599,774 km (0.107 R)
• M8: 4,864,624 km (0.044 R)
• M9: 5,994,387 km (0.088 R)
• M10: 6,541,017 km (0.106 R)
• M11: 7,615,280 km (0.094 R)
• M12: 8,226,237 km (0.115 R)
• M13: 9,827,084 km (0.09 R)
• M14: 10,890,276 km (0.077 R)
• M15: 11,548,208 km (0.113 R)
• M16: 12,232,767 km (0.103 R)
• M17: 13,375,396 km (0.047 R)
• M18: 15,580,917 km (0.064 R)
• M19: 16,267,572 km (0.048 R)
• M20: 16,770,370 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692

Radius: 13

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.28 AU - 3.72 AU

Year: 3409 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,206,798 km

• M1: 161,865 km (0.105 R)
• M2: 712,684 km (0.114 R)
• M3: 1,576,462 km (0.12 R)
• M4: 2,643,843 km (0.097 R)
• M5: 3,217,252 km (0.108 R)
• M6: 3,811,455 km (0.099 R)
• M7: 4,639,030 km (0.098 R)
• M8: 7,015,991 km (0.03 R)
• M9: 10,433,554 km (0.062 R)
• M10: 13,633,752 km (0.071 R)
• M11: 15,246,716 km (0.05 R)
• M12: 15,937,110 km (0.12 R)
• M13: 17,495,022 km (0.11 R)
• M14: 18,075,312 km (0.086 R)
• M15: 18,608,479 km (0.069 R)
• M16: 21,964,558 km (0.094 R)
• M17: 23,469,213 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608

Radius: 14.9

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.45 AU - 4.49 AU

Year: 5189 Days

Day: 6.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,206,798 km

• M1: 186,399 km (0.101 R)
• M2: 698,921 km (0.062 R)
• M3: 1,163,123 km (0.118 R)
• M4: 2,007,155 km (0.071 R)
• M5: 2,585,201 km (0.113 R)
• M6: 3,393,628 km (0.12 R)
• M7: 4,060,685 km (0.107 R)
• M8: 4,712,034 km (0.119 R)
• M9: 5,517,020 km (0.063 R)
• M10: 6,506,909 km (0.118 R)
• M11: 7,437,109 km (0.107 R)
• M12: 8,606,964 km (0.114 R)
• M13: 9,155,988 km (0.049 R)
• M14: 9,770,237 km (0.068 R)
• M15: 12,606,613 km (0.103 R)
• M16: 14,159,738 km (0.113 R)
• M17: 14,704,872 km (0.113 R)
• M18: 16,129,194 km (0.115 R)
• M19: 16,966,044 km (0.113 R)
• M20: 18,084,438 km (0.06 R)
• M21: 23,054,378 km (0.107 R)
• M22: 23,886,292 km (0.101 R)
• M23: 24,581,922 km (0.071 R)
• M24: 28,522,180 km (0.078 R)
• M25: 29,569,366 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.3

Radius: 8

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.7 AU - 4.34 AU

Year: 5287 Days

Day: 13.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,206,798 km

• M1: 99,483 km (0.113 R)
• M2: 381,774 km (0.043 R)
• M3: 936,034 km (0.079 R)
• M4: 1,392,906 km (0.117 R)
• M5: 2,189,365 km (0.059 R)
• M6: 2,735,397 km (0.034 R)
• M7: 2,998,241 km (0.027 R)
• M8: 3,992,618 km (0.118 R)
• M9: 5,571,174 km (0.103 R)
• M10: 5,887,873 km (0.041 R)
• M11: 7,000,732 km (0.118 R)
• M12: 7,464,186 km (0.074 R)
• M13: 7,719,549 km (0.082 R)
• M14: 10,605,442 km (0.082 R)
• M15: 11,938,060 km (0.093 R)
• M16: 12,689,789 km (0.079 R)
• M17: 14,044,248 km (0.096 R)
• M18: 15,389,582 km (0.084 R)
• M19: 18,800,563 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.5

Radius: 9.2

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.13 AU - 4.25 AU

Year: 5626 Days

Day: 10.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,206,798 km

• M1: 114,442 km (0.095 R)
• M2: 482,453 km (0.054 R)
• M3: 1,345,483 km (0.11 R)
• M4: 1,729,202 km (0.1 R)
• M5: 2,263,715 km (0.103 R)
• M6: 2,738,539 km (0.108 R)
• M7: 3,237,747 km (0.105 R)
• M8: 3,773,905 km (0.118 R)
• M9: 4,147,451 km (0.107 R)
• M10: 4,571,113 km (0.084 R)
• M11: 4,860,584 km (0.045 R)
• M12: 5,162,323 km (0.083 R)
• M13: 5,956,389 km (0.113 R)
• M14: 6,464,124 km (0.032 R)
• M15: 8,909,900 km (0.096 R)
• M16: 9,279,706 km (0.117 R)
• M17: 11,002,475 km (0.09 R)
• M18: 11,621,211 km (0.105 R)
• M19: 12,063,123 km (0.106 R)
• M20: 14,219,726 km (0.06 R)
• M21: 16,436,916 km (0.107 R)
• M22: 20,604,713 km (0.073 R)
• M23: 27,018,123 km (0.077 R)
• M24: 27,620,404 km (0.118 R)
• M25: 30,303,592 km (0.11 R)
• M26: 31,047,542 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.6

Radius: 13.8

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.66 AU - 5 AU

Year: 5911 Days

Day: 7.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 73.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,206,798 km

• M1: 181,612 km (0.09 R)
• M2: 809,474 km (0.113 R)
• M3: 3,112,085 km (0.098 R)
• M4: 3,586,908 km (0.116 R)
• M5: 4,366,463 km (0.105 R)
• M6: 7,373,380 km (0.082 R)
• M7: 7,950,528 km (0.1 R)
• M8: 8,583,627 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.2

Radius: 13.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.96 AU - 4.8 AU

Year: 6013 Days

Day: 12.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,206,798 km

• M1: 173,534 km (0.077 R)
• M2: 731,384 km (0.108 R)
• M3: 1,203,664 km (0.112 R)
• M4: 1,999,376 km (0.104 R)
• M5: 2,433,060 km (0.084 R)
• M6: 3,069,449 km (0.056 R)
• M7: 3,897,922 km (0.119 R)
• M8: 4,491,078 km (0.096 R)
• M9: 5,970,750 km (0.101 R)
• M10: 6,431,212 km (0.063 R)
• M11: 7,040,375 km (0.067 R)
• M12: 7,522,080 km (0.04 R)
• M13: 8,268,723 km (0.081 R)
• M14: 8,952,685 km (0.099 R)
• M15: 9,870,468 km (0.115 R)
• M16: 11,538,185 km (0.046 R)
• M17: 14,280,014 km (0.087 R)
• M18: 15,001,974 km (0.08 R)
• M19: 16,574,995 km (0.103 R)
• M20: 22,430,406 km (0.078 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.3

Radius: 13.5

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.9 AU - 6.3 AU

Year: 7556 Days

Day: 10.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,206,798 km

• M1: 168,597 km (0.084 R)
• M2: 649,704 km (0.085 R)
• M3: 1,083,687 km (0.113 R)
• M4: 1,808,788 km (0.049 R)
• M5: 2,780,276 km (0.069 R)
• M6: 3,843,020 km (0.049 R)
• M7: 4,343,574 km (0.071 R)
• M8: 5,476,928 km (0.084 R)
• M9: 7,494,853 km (0.103 R)
• M10: 8,366,560 km (0.094 R)
• M11: 8,804,882 km (0.075 R)
• M12: 9,727,901 km (0.057 R)
• M13: 11,075,179 km (0.115 R)
• M14: 13,711,991 km (0.073 R)
• M15: 19,347,642 km (0.082 R)
• M16: 21,471,184 km (0.118 R)
• M17: 22,715,838 km (0.115 R)
• M18: 23,833,035 km (0.08 R)
• M19: 31,109,476 km (0.07 R)
• M20: 33,793,860 km (0.113 R)
• M21: 34,909,710 km (0.062 R)
• M22: 36,862,711 km (0.04 R)
• M23: 39,130,764 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 15,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit