🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.4

Radius: 12.6

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.52 AU - 0.72 AU

Year: 343 Days

Day: 6.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,049,595 km

• M1: 158,125 km (0.103 R)
• M2: 632,500 km (0.069 R)
• M3: 1,155,943 km (0.118 R)
• M4: 1,614,759 km (0.106 R)
• M5: 2,239,331 km (0.097 R)
• M6: 2,711,761 km (0.102 R)
• M7: 3,576,735 km (0.088 R)
• M8: 4,489,731 km (0.088 R)
• M9: 5,062,542 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.1

Radius: 10.2

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.21 AU - 1.99 AU

Year: 1423 Days

Day: 11.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,049,595 km

• M1: 136,732 km (0.108 R)
• M2: 852,409 km (0.05 R)
• M3: 1,199,177 km (0.078 R)
• M4: 1,532,780 km (0.071 R)
• M5: 2,250,401 km (0.105 R)
• M6: 2,594,775 km (0.049 R)
• M7: 3,046,261 km (0.095 R)
• M8: 3,549,509 km (0.115 R)
• M9: 4,921,770 km (0.084 R)
• M10: 5,840,002 km (0.05 R)
• M11: 6,162,385 km (0.081 R)
• M12: 6,619,107 km (0.078 R)
• M13: 8,884,767 km (0.113 R)
• M14: 9,721,767 km (0.093 R)
• M15: 13,244,947 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.3

Radius: 8.7

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.39 AU - 2.15 AU

Year: 1655 Days

Day: 9 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,049,595 km

• M1: 108,159 km (0.072 R)
• M2: 381,175 km (0.067 R)
• M3: 654,640 km (0.102 R)
• M4: 944,112 km (0.07 R)
• M5: 1,313,320 km (0.077 R)
• M6: 1,676,992 km (0.083 R)
• M7: 2,171,263 km (0.114 R)
• M8: 2,621,852 km (0.108 R)
• M9: 2,982,832 km (0.083 R)
• M10: 3,304,019 km (0.113 R)
• M11: 3,726,333 km (0.082 R)
• M12: 4,588,017 km (0.111 R)
• M13: 5,935,894 km (0.113 R)
• M14: 7,279,582 km (0.063 R)
• M15: 8,155,777 km (0.052 R)
• M16: 9,129,360 km (0.069 R)
• M17: 9,749,592 km (0.114 R)
• M18: 10,116,406 km (0.095 R)
• M19: 10,429,216 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.4

Radius: 9

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.41 AU - 2.93 AU

Year: 3067 Days

Day: 6.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 67.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,049,595 km

• M1: 114,742 km (0.09 R)
• M2: 475,572 km (0.112 R)
• M3: 1,123,630 km (0.08 R)
• M4: 1,424,471 km (0.079 R)
• M5: 1,828,086 km (0.096 R)
• M6: 2,545,857 km (0.031 R)
• M7: 2,867,791 km (0.119 R)
• M8: 3,855,586 km (0.099 R)
• M9: 4,150,892 km (0.074 R)
• M10: 4,599,387 km (0.049 R)
• M11: 4,981,011 km (0.09 R)
• M12: 7,280,031 km (0.071 R)
• M13: 12,654,334 km (0.113 R)
• M14: 14,087,332 km (0.12 R)
• M15: 14,487,058 km (0.104 R)
• M16: 15,049,097 km (0.083 R)
• M17: 16,545,225 km (0.05 R)
• M18: 17,500,707 km (0.073 R)
• M19: 20,018,289 km (0.067 R)
• M20: 20,460,202 km (0.089 R)
• M21: 20,908,546 km (0.027 R)
• M22: 22,767,898 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.7

Radius: 13.7

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.93 AU - 4.13 AU

Year: 4662 Days

Day: 14 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,049,595 km

• M1: 170,841 km (0.047 R)
• M2: 703,260 km (0.078 R)
• M3: 1,232,537 km (0.088 R)
• M4: 1,678,189 km (0.077 R)
• M5: 2,371,575 km (0.051 R)
• M6: 2,821,565 km (0.088 R)
• M7: 4,217,762 km (0.074 R)
• M8: 5,369,367 km (0.075 R)
• M9: 6,004,111 km (0.049 R)
• M10: 7,355,428 km (0.046 R)
• M11: 9,667,164 km (0.09 R)
• M12: 10,521,069 km (0.117 R)
• M13: 11,102,556 km (0.037 R)
• M14: 11,847,703 km (0.076 R)
• M15: 12,977,017 km (0.071 R)
• M16: 14,721,029 km (0.109 R)
• M17: 15,449,421 km (0.119 R)
• M18: 16,319,482 km (0.107 R)
• M19: 17,222,156 km (0.075 R)
• M20: 18,348,777 km (0.055 R)
• M21: 25,520,948 km (0.11 R)
• M22: 26,245,899 km (0.106 R)
• M23: 29,196,867 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597

Radius: 11.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.52 AU - 5.46 AU

Year: 6688 Days

Day: 14.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,049,595 km

• M1: 146,157 km (0.067 R)
• M2: 510,578 km (0.046 R)
• M3: 1,039,406 km (0.102 R)
• M4: 1,443,470 km (0.042 R)
• M5: 1,939,387 km (0.108 R)
• M6: 2,547,502 km (0.038 R)
• M7: 3,494,307 km (0.095 R)
• M8: 3,857,830 km (0.088 R)
• M9: 4,221,652 km (0.08 R)
• M10: 4,661,769 km (0.086 R)
• M11: 5,104,130 km (0.078 R)
• M12: 6,268,001 km (0.084 R)
• M13: 7,415,716 km (0.087 R)
• M14: 9,371,259 km (0.101 R)
• M15: 10,820,863 km (0.077 R)
• M16: 11,352,234 km (0.093 R)
• M17: 12,156,024 km (0.107 R)
• M18: 12,519,547 km (0.045 R)
• M19: 13,933,546 km (0.084 R)
• M20: 17,864,230 km (0.107 R)
• M21: 18,882,393 km (0.07 R)
• M22: 19,724,330 km (0.078 R)
• M23: 21,183,208 km (0.1 R)
• M24: 22,634,607 km (0.079 R)
• M25: 28,464,585 km (0.1 R)
• M26: 30,515,572 km (0.04 R)
• M27: 31,870,929 km (0.065 R)
• M28: 33,876,288 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.3

Radius: 4.1

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.22 AU - 7.02 AU

Year: 9365 Days

Day: 22.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,049,595 km

• M1: 158,574 km (0.101 R)
• M2: 543,489 km (0.108 R)
• M3: 699,968 km (0.099 R)
• M4: 878,289 km (0.102 R)
• M5: 1,197,381 km (0.063 R)
• M6: 3,135,721 km (0.114 R)
• M7: 3,645,251 km (0.12 R)
• M8: 3,850,051 km (0.079 R)
• M9: 4,282,389 km (0.045 R)
• M10: 4,614,346 km (0.07 R)
• M11: 5,445,512 km (0.105 R)
• M12: 5,958,483 km (0.057 R)
• M13: 7,010,306 km (0.054 R)
• M14: 8,770,923 km (0.06 R)
• M15: 9,861,492 km (0.095 R)
• M16: 16,078,929 km (0.11 R)
• M17: 17,192,535 km (0.045 R)
• M18: 21,863,430 km (0.092 R)
• M19: 31,379,201 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.2

Radius: 3.7

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.26 AU - 7.76 AU

Year: 13046 Days

Day: 21.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,049,595 km

• M1: 172,636 km (0.085 R)
• M2: 312,360 km (0.087 R)
• M3: 1,637,349 km (0.097 R)
• M4: 2,770,104 km (0.119 R)
• M5: 4,927,903 km (0.053 R)
• M6: 11,174,662 km (0.065 R)
• M7: 14,095,560 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.2

Radius: 5.7

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.7 AU - 8.58 AU

Year: 13411 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,049,595 km

• M1: 70,909 km (0.056 R)
• M2: 298,149 km (0.113 R)
• M3: 511,774 km (0.081 R)
• M4: 1,150,856 km (0.12 R)
• M5: 3,194,663 km (0.117 R)
• M6: 4,424,058 km (0.07 R)
• M7: 5,218,871 km (0.069 R)
• M8: 5,493,533 km (0.06 R)
• M9: 5,745,755 km (0.077 R)
• M10: 6,479,233 km (0.066 R)
• M11: 7,235,899 km (0.088 R)
• M12: 11,104,650 km (0.027 R)
• M13: 12,668,696 km (0.072 R)
• M14: 14,255,929 km (0.083 R)
• M15: 17,750,835 km (0.093 R)
• M16: 18,512,437 km (0.1 R)
• M17: 19,223,476 km (0.077 R)
• M18: 19,512,948 km (0.07 R)
• M19: 28,285,517 km (0.04 R)
• M20: 28,472,364 km (0.043 R)
• M21: 28,754,207 km (0.059 R)
• M22: 33,520,245 km (0.094 R)
• M23: 35,979,784 km (0.08 R)
• M24: 37,309,709 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.9

Radius: 4

Gravity: 28.24 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.38 AU - 8.8 AU

Year: 17697 Days

Day: 17.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,049,595 km

• M1: 51,462 km (0.081 R)
• M2: 323,730 km (0.104 R)
• M3: 744,549 km (0.091 R)
• M4: 1,134,251 km (0.109 R)
• M5: 2,665,086 km (0.042 R)
• M6: 3,983,043 km (0.092 R)
• M7: 4,472,976 km (0.09 R)
• M8: 5,682,774 km (0.096 R)
• M9: 7,538,237 km (0.063 R)
• M10: 8,776,159 km (0.097 R)
• M11: 10,421,586 km (0.096 R)
• M12: 10,819,816 km (0.113 R)
• M13: 11,706,931 km (0.053 R)
• M14: 17,428,002 km (0.108 R)
• M15: 22,912,859 km (0.057 R)
• M16: 23,779,778 km (0.119 R)
• M17: 31,281,663 km (0.069 R)
• M18: 33,560,188 km (0.099 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: 481 - 18,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit