🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.5 AU - 0.58 AU

Year: 260 Days

Day: 24.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.7

Radius: 13.5

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.6 AU - 0.82 AU

Year: 392 Days

Day: 7.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 15,481,330 km

• M1: 179,966 km (0.119 R)
• M2: 288,125 km (0.082 R)
• M3: 477,666 km (0.092 R)
• M4: 600,935 km (0.039 R)
• M5: 701,016 km (0.1 R)
• M6: 834,607 km (0.116 R)
• M7: 981,811 km (0.09 R)
• M8: 1,069,625 km (0.108 R)
• M9: 1,191,397 km (0.104 R)
• M10: 1,281,306 km (0.026 R)
• M11: 1,402,031 km (0.101 R)
• M12: 1,580,950 km (0.044 R)
• M13: 1,747,004 km (0.106 R)
• M14: 1,840,203 km (0.119 R)
• M15: 1,945,820 km (0.118 R)
• M16: 2,037,224 km (0.056 R)
• M17: 2,124,739 km (0.053 R)
• M18: 2,235,890 km (0.073 R)
• M19: 2,326,247 km (0.076 R)
• M20: 2,622,899 km (0.069 R)
• M21: 2,718,493 km (0.103 R)
• M22: 2,888,735 km (0.078 R)
• M23: 3,119,265 km (0.095 R)
• M24: 3,265,722 km (0.094 R)
• M25: 3,356,079 km (0.057 R)
• M26: 3,545,769 km (0.087 R)
• M27: 3,651,983 km (0.093 R)
• M28: 3,772,858 km (0.045 R)
• M29: 3,922,456 km (0.052 R)
• M30: 4,046,323 km (0.065 R)
• M31: 4,136,531 km (0.108 R)
• M32: 4,554,806 km (0.091 R)
• M33: 4,838,893 km (0.114 R)
• M34: 4,927,455 km (0.085 R)
• M35: 5,054,014 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.9

Radius: 14.2

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.71 AU - 0.75 AU

Year: 409 Days

Day: 7.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 15,481,330 km

• M1: 216,917 km (0.052 R)
• M2: 320,439 km (0.117 R)
• M3: 413,040 km (0.109 R)
• M4: 512,971 km (0.102 R)
• M5: 631,602 km (0.109 R)
• M6: 737,069 km (0.056 R)
• M7: 832,512 km (0.114 R)
• M8: 959,820 km (0.108 R)
• M9: 1,147,416 km (0.119 R)
• M10: 1,332,319 km (0.092 R)
• M11: 1,463,366 km (0.11 R)
• M12: 1,555,070 km (0.072 R)
• M13: 1,801,906 km (0.089 R)
• M14: 2,037,822 km (0.087 R)
• M15: 2,172,011 km (0.119 R)
• M16: 2,290,493 km (0.111 R)
• M17: 2,398,353 km (0.082 R)
• M18: 2,488,411 km (0.087 R)
• M19: 2,606,145 km (0.04 R)
• M20: 2,725,673 km (0.115 R)
• M21: 2,901,750 km (0.09 R)
• M22: 3,144,846 km (0.108 R)
• M23: 3,236,999 km (0.073 R)
• M24: 3,365,952 km (0.068 R)
• M25: 3,460,199 km (0.118 R)
• M26: 3,718,554 km (0.099 R)
• M27: 4,006,231 km (0.115 R)
• M28: 4,106,312 km (0.058 R)
• M29: 4,199,511 km (0.077 R)
• M30: 4,332,803 km (0.108 R)
• M31: 4,435,726 km (0.027 R)
• M32: 4,571,412 km (0.093 R)
• M33: 4,708,743 km (0.091 R)
• M34: 4,839,042 km (0.112 R)
• M35: 5,095,303 km (0.072 R)
• M36: 5,296,662 km (0.112 R)
• M37: 5,441,024 km (0.104 R)
• M38: 5,612,463 km (0.087 R)
• M39: 5,750,991 km (0.067 R)
• M40: 5,881,889 km (0.109 R)
• M41: 5,987,206 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.7

Radius: 12.2

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.53 AU - 1.67 AU

Year: 1328 Days

Day: 12.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 15,481,330 km

• M1: 153,039 km (0.09 R)
• M2: 276,158 km (0.028 R)
• M3: 407,505 km (0.114 R)
• M4: 486,193 km (0.091 R)
• M5: 673,190 km (0.099 R)
• M6: 750,233 km (0.036 R)
• M7: 847,173 km (0.074 R)
• M8: 983,756 km (0.084 R)
• M9: 1,061,098 km (0.052 R)
• M10: 1,260,960 km (0.066 R)
• M11: 1,339,200 km (0.118 R)
• M12: 1,542,504 km (0.059 R)
• M13: 1,734,438 km (0.107 R)
• M14: 1,844,691 km (0.075 R)
• M15: 1,934,450 km (0.089 R)
• M16: 2,064,451 km (0.103 R)
• M17: 2,205,372 km (0.095 R)
• M18: 2,357,662 km (0.077 R)
• M19: 2,622,151 km (0.109 R)
• M20: 2,732,405 km (0.109 R)
• M21: 2,914,017 km (0.069 R)
• M22: 3,072,740 km (0.074 R)
• M23: 3,307,310 km (0.09 R)
• M24: 3,473,214 km (0.083 R)
• M25: 3,755,954 km (0.117 R)
• M26: 3,909,890 km (0.099 R)
• M27: 4,105,265 km (0.093 R)
• M28: 4,204,149 km (0.108 R)
• M29: 4,669,548 km (0.038 R)
• M30: 4,940,021 km (0.081 R)
• M31: 5,055,959 km (0.058 R)
• M32: 5,151,552 km (0.116 R)
• M33: 5,312,071 km (0.115 R)
• M34: 5,409,309 km (0.1 R)
• M35: 5,485,305 km (0.114 R)
• M36: 5,870,819 km (0.112 R)
• M37: 5,971,349 km (0.044 R)
• M38: 6,061,257 km (0.12 R)
• M39: 6,162,983 km (0.063 R)
• M40: 6,482,824 km (0.049 R)
• M41: 6,738,038 km (0.057 R)
• M42: 6,961,238 km (0.113 R)
• M43: 7,162,896 km (0.109 R)
• M44: 7,306,510 km (0.063 R)
• M45: 7,463,139 km (0.087 R)
• M46: 7,572,195 km (0.076 R)
• M47: 7,730,769 km (0.081 R)
• M48: 7,927,341 km (0.095 R)
• M49: 8,038,791 km (0.112 R)
• M50: 8,213,073 km (0.082 R)
• M51: 8,413,683 km (0.063 R)
• M52: 8,527,228 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.5

Radius: 10.4

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.09 AU - 2.53 AU

Year: 2303 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 15,481,330 km

• M1: 133,591 km (0.101 R)
• M2: 202,256 km (0.107 R)
• M3: 273,465 km (0.11 R)
• M4: 474,076 km (0.111 R)
• M5: 591,211 km (0.083 R)
• M6: 871,258 km (0.115 R)
• M7: 944,112 km (0.113 R)
• M8: 1,192,295 km (0.049 R)
• M9: 1,274,275 km (0.059 R)
• M10: 1,341,295 km (0.103 R)
• M11: 1,523,206 km (0.1 R)
• M12: 1,806,693 km (0.11 R)
• M13: 2,087,189 km (0.103 R)
• M14: 2,157,052 km (0.106 R)
• M15: 2,248,007 km (0.105 R)
• M16: 2,592,980 km (0.053 R)
• M17: 2,799,275 km (0.095 R)
• M18: 2,932,417 km (0.042 R)
• M19: 3,022,326 km (0.101 R)
• M20: 3,181,947 km (0.093 R)
• M21: 3,473,962 km (0.112 R)
• M22: 3,581,373 km (0.052 R)
• M23: 3,653,479 km (0.111 R)
• M24: 3,738,301 km (0.081 R)
• M25: 3,848,405 km (0.072 R)
• M26: 4,096,738 km (0.108 R)
• M27: 4,172,434 km (0.101 R)
• M28: 4,337,740 km (0.114 R)
• M29: 4,727,592 km (0.098 R)
• M30: 4,953,634 km (0.056 R)
• M31: 5,142,427 km (0.097 R)
• M32: 5,347,525 km (0.108 R)
• M33: 5,751,440 km (0.05 R)
• M34: 5,992,891 km (0.113 R)
• M35: 6,136,505 km (0.068 R)
• M36: 6,456,345 km (0.051 R)
• M37: 6,559,418 km (0.095 R)
• M38: 6,707,370 km (0.105 R)
• M39: 6,901,548 km (0.077 R)
• M40: 7,036,934 km (0.066 R)
• M41: 7,203,885 km (0.064 R)
• M42: 7,310,698 km (0.101 R)
• M43: 7,510,561 km (0.056 R)
• M44: 7,805,867 km (0.115 R)
• M45: 8,025,926 km (0.109 R)
• M46: 8,343,821 km (0.094 R)
• M47: 8,472,176 km (0.089 R)
• M48: 8,861,131 km (0.093 R)
• M49: 9,322,491 km (0.076 R)
• M50: 9,422,272 km (0.091 R)
• M51: 9,656,692 km (0.097 R)
• M52: 9,943,920 km (0.107 R)
• M53: 10,046,095 km (0.077 R)
• M54: 10,165,475 km (0.111 R)
• M55: 10,251,194 km (0.043 R)
• M56: 10,354,267 km (0.077 R)
• M57: 10,578,963 km (0.106 R)
• M58: 10,892,520 km (0.07 R)
• M59: 10,962,682 km (0.085 R)
• M60: 11,457,701 km (0.096 R)
• M61: 11,564,813 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408

Radius: 12.6

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.86 AU - 2.86 AU

Year: 2378 Days

Day: 12.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 15,481,330 km

• M1: 157,227 km (0.107 R)
• M2: 452,833 km (0.111 R)
• M3: 708,196 km (0.072 R)
• M4: 1,064,838 km (0.053 R)
• M5: 1,307,485 km (0.106 R)
• M6: 1,466,209 km (0.105 R)
• M7: 1,599,949 km (0.118 R)
• M8: 1,705,865 km (0.03 R)
• M9: 2,072,230 km (0.075 R)
• M10: 2,294,682 km (0.072 R)
• M11: 2,549,896 km (0.086 R)
• M12: 2,737,940 km (0.089 R)
• M13: 2,865,996 km (0.067 R)
• M14: 3,275,595 km (0.114 R)
• M15: 3,466,781 km (0.066 R)
• M16: 3,704,043 km (0.08 R)
• M17: 4,224,045 km (0.1 R)
• M18: 4,372,746 km (0.082 R)
• M19: 5,173,543 km (0.109 R)
• M20: 5,509,839 km (0.077 R)
• M21: 5,771,037 km (0.055 R)
• M22: 6,086,389 km (0.071 R)
• M23: 6,339,359 km (0.116 R)
• M24: 6,441,535 km (0.071 R)
• M25: 7,439,801 km (0.059 R)
• M26: 7,565,763 km (0.106 R)
• M27: 7,801,529 km (0.112 R)
• M28: 7,929,435 km (0.11 R)
• M29: 8,095,040 km (0.087 R)
• M30: 8,711,982 km (0.037 R)
• M31: 8,825,826 km (0.091 R)
• M32: 8,959,267 km (0.086 R)
• M33: 9,247,392 km (0.104 R)
• M34: 9,695,288 km (0.113 R)
• M35: 9,793,574 km (0.081 R)
• M36: 11,349,093 km (0.103 R)
• M37: 11,431,970 km (0.092 R)
• M38: 11,619,267 km (0.041 R)
• M39: 12,187,290 km (0.099 R)
• M40: 12,699,662 km (0.063 R)
• M41: 12,980,308 km (0.101 R)
• M42: 13,219,365 km (0.035 R)
• M43: 13,350,264 km (0.095 R)
• M44: 13,767,941 km (0.084 R)
• M45: 15,389,432 km (0.094 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 18,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit