🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.54 AU - 0.58 AU

Year: 275 Days

Day: 24 Hours

Environment

Temp: -122 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.7

Radius: 13

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.63 AU - 0.89 AU

Year: 435 Days

Day: 12.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 4,011,693 km

• M1: 162,014 km (0.12 R)
• M2: 281,543 km (0.101 R)
• M3: 376,089 km (0.096 R)
• M4: 492,775 km (0.115 R)
• M5: 577,448 km (0.081 R)
• M6: 661,971 km (0.066 R)
• M7: 771,476 km (0.093 R)
• M8: 880,982 km (0.104 R)
• M9: 1,018,612 km (0.092 R)
• M10: 1,109,567 km (0.114 R)
• M11: 1,195,586 km (0.106 R)
• M12: 1,316,910 km (0.084 R)
• M13: 1,412,802 km (0.102 R)
• M14: 1,494,034 km (0.065 R)
• M15: 1,612,216 km (0.099 R)
• M16: 1,747,453 km (0.035 R)
• M17: 1,953,000 km (0.11 R)
• M18: 2,087,937 km (0.038 R)
• M19: 2,226,316 km (0.067 R)
• M20: 2,418,998 km (0.085 R)
• M21: 2,512,197 km (0.064 R)
• M22: 2,601,357 km (0.087 R)
• M23: 2,799,425 km (0.071 R)
• M24: 2,914,017 km (0.096 R)
• M25: 3,244,628 km (0.113 R)
• M26: 3,359,519 km (0.1 R)
• M27: 3,575,688 km (0.048 R)
• M28: 3,688,635 km (0.083 R)
• M29: 3,790,511 km (0.08 R)
• M30: 3,899,568 km (0.055 R)
• M31: 3,997,405 km (0.082 R)
• M32: 4,096,139 km (0.101 R)
• M33: 4,201,905 km (0.119 R)
• M34: 4,302,285 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.1

Radius: 9.2

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.7 AU - 0.9 AU

Year: 469 Days

Day: 11.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 4,011,693 km

• M1: 117,584 km (0.103 R)
• M2: 210,634 km (0.115 R)
• M3: 301,739 km (0.059 R)
• M4: 395,836 km (0.097 R)
• M5: 495,019 km (0.104 R)
• M6: 553,512 km (0.071 R)
• M7: 618,438 km (0.112 R)
• M8: 697,724 km (0.116 R)
• M9: 975,528 km (0.104 R)
• M10: 1,065,286 km (0.073 R)
• M11: 1,171,950 km (0.119 R)
• M12: 1,292,226 km (0.104 R)
• M13: 1,381,387 km (0.1 R)
• M14: 1,560,755 km (0.095 R)
• M15: 1,634,806 km (0.071 R)
• M16: 1,704,668 km (0.117 R)
• M17: 1,802,954 km (0.074 R)
• M18: 1,920,089 km (0.081 R)
• M19: 2,057,270 km (0.048 R)
• M20: 2,138,801 km (0.113 R)
• M21: 2,275,084 km (0.089 R)
• M22: 2,525,212 km (0.113 R)
• M23: 2,707,721 km (0.087 R)
• M24: 2,914,017 km (0.109 R)
• M25: 2,973,108 km (0.12 R)
• M26: 3,145,744 km (0.089 R)
• M27: 3,301,326 km (0.096 R)
• M28: 3,424,894 km (0.104 R)
• M29: 3,570,901 km (0.117 R)
• M30: 3,676,517 km (0.073 R)
• M31: 3,747,576 km (0.058 R)
• M32: 3,948,785 km (0.082 R)
• M33: 4,014,309 km (0.111 R)
• M34: 4,146,255 km (0.089 R)
• M35: 4,242,596 km (0.089 R)
• M36: 4,317,095 km (0.102 R)
• M37: 4,384,564 km (0.068 R)
• M38: 4,812,414 km (0.118 R)
• M39: 5,023,496 km (0.079 R)
• M40: 5,229,792 km (0.069 R)
• M41: 5,454,937 km (0.116 R)
• M42: 5,527,941 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.1

Radius: 13.3

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.79 AU - 1.03 AU

Year: 569 Days

Day: 6.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 4,011,693 km

• M1: 168,597 km (0.12 R)
• M2: 268,678 km (0.116 R)
• M3: 357,838 km (0.051 R)
• M4: 449,990 km (0.031 R)
• M5: 583,731 km (0.092 R)
• M6: 669,450 km (0.1 R)
• M7: 835,654 km (0.088 R)
• M8: 940,522 km (0.093 R)
• M9: 1,025,194 km (0.066 R)
• M10: 1,112,859 km (0.118 R)
• M11: 1,241,962 km (0.075 R)
• M12: 1,370,167 km (0.098 R)
• M13: 1,467,854 km (0.118 R)
• M14: 1,597,705 km (0.11 R)
• M15: 1,758,673 km (0.057 R)
• M16: 1,876,256 km (0.078 R)
• M17: 1,978,581 km (0.119 R)
• M18: 2,244,866 km (0.095 R)
• M19: 2,392,070 km (0.038 R)
• M20: 2,488,261 km (0.082 R)
• M21: 2,581,760 km (0.107 R)
• M22: 2,676,456 km (0.067 R)
• M23: 2,764,419 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.1

Radius: 13.5

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.99 AU - 1.37 AU

Year: 841 Days

Day: 10.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 4,011,693 km

• M1: 168,896 km (0.112 R)
• M2: 263,292 km (0.097 R)
• M3: 348,413 km (0.106 R)
• M4: 439,967 km (0.108 R)
• M5: 576,550 km (0.06 R)
• M6: 663,317 km (0.07 R)
• M7: 752,328 km (0.098 R)
• M8: 862,731 km (0.05 R)
• M9: 961,765 km (0.086 R)
• M10: 1,065,286 km (0.061 R)
• M11: 1,150,258 km (0.091 R)
• M12: 1,307,785 km (0.118 R)
• M13: 1,415,794 km (0.092 R)
• M14: 1,522,906 km (0.046 R)
• M15: 1,619,995 km (0.064 R)
• M16: 1,719,328 km (0.099 R)
• M17: 1,811,929 km (0.087 R)
• M18: 1,897,200 km (0.099 R)
• M19: 2,067,443 km (0.099 R)
• M20: 2,223,623 km (0.067 R)
• M21: 2,354,521 km (0.062 R)
• M22: 2,463,129 km (0.112 R)
• M23: 2,558,273 km (0.093 R)
• M24: 2,690,518 km (0.086 R)
• M25: 2,888,136 km (0.03 R)
• M26: 2,972,809 km (0.032 R)
• M27: 3,210,071 km (0.092 R)
• M28: 3,325,561 km (0.107 R)
• M29: 3,448,081 km (0.032 R)
• M30: 3,532,455 km (0.058 R)
• M31: 3,674,722 km (0.056 R)
• M32: 3,912,284 km (0.108 R)
• M33: 4,119,177 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.5

Radius: 11.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.19 AU - 1.69 AU

Year: 1134 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 4,011,693 km

• M1: 182,061 km (0.049 R)
• M2: 255,962 km (0.116 R)
• M3: 331,808 km (0.086 R)
• M4: 419,622 km (0.104 R)
• M5: 565,031 km (0.107 R)
• M6: 637,287 km (0.12 R)
• M7: 780,003 km (0.117 R)
• M8: 975,677 km (0.052 R)
• M9: 1,223,411 km (0.111 R)
• M10: 1,321,099 km (0.115 R)
• M11: 1,541,157 km (0.116 R)
• M12: 1,709,904 km (0.074 R)
• M13: 1,808,339 km (0.1 R)
• M14: 1,950,756 km (0.08 R)
• M15: 2,183,979 km (0.088 R)
• M16: 2,323,255 km (0.073 R)
• M17: 2,570,989 km (0.077 R)
• M18: 2,731,807 km (0.111 R)
• M19: 3,007,665 km (0.114 R)
• M20: 3,206,182 km (0.1 R)
• M21: 3,278,138 km (0.105 R)
• M22: 3,623,709 km (0.053 R)
• M23: 3,698,658 km (0.097 R)
• M24: 4,175,875 km (0.114 R)
• M25: 4,349,857 km (0.096 R)
• M26: 4,510,226 km (0.058 R)
• M27: 4,845,176 km (0.026 R)
• M28: 4,936,431 km (0.08 R)
• M29: 5,264,648 km (0.096 R)
• M30: 5,478,723 km (0.115 R)
• M31: 5,556,663 km (0.073 R)
• M32: 5,643,430 km (0.119 R)
• M33: 6,066,942 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.4

Radius: 10.2

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.48 AU - 1.84 AU

Year: 1403 Days

Day: 7.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 4,011,693 km

• M1: 127,009 km (0.106 R)
• M2: 195,674 km (0.072 R)
• M3: 332,556 km (0.093 R)
• M4: 430,991 km (0.096 R)
• M5: 503,397 km (0.076 R)
• M6: 856,597 km (0.092 R)
• M7: 931,247 km (0.083 R)
• M8: 1,018,911 km (0.1 R)
• M9: 1,098,647 km (0.084 R)
• M10: 1,214,585 km (0.111 R)
• M11: 1,303,446 km (0.082 R)
• M12: 1,443,021 km (0.106 R)
• M13: 1,698,534 km (0.104 R)
• M14: 1,763,609 km (0.096 R)
• M15: 1,891,964 km (0.065 R)
• M16: 2,195,648 km (0.056 R)
• M17: 2,276,431 km (0.081 R)
• M18: 2,382,645 km (0.033 R)
• M19: 2,690,667 km (0.112 R)
• M20: 2,777,284 km (0.077 R)
• M21: 2,844,304 km (0.08 R)
• M22: 2,911,773 km (0.077 R)
• M23: 3,171,325 km (0.077 R)
• M24: 3,476,954 km (0.04 R)
• M25: 3,872,640 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 11,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit