🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.6 AU - 0.7 AU

Year: 344 Days

Day: 12.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 114.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.1

Radius: 10.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.56 AU - 0.92 AU

Year: 418 Days

Day: 14.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,081,342 km

• M1: 132,245 km (0.032 R)
• M2: 197,619 km (0.106 R)
• M3: 279,898 km (0.083 R)
• M4: 349,461 km (0.102 R)
• M5: 416,331 km (0.085 R)
• M6: 494,122 km (0.112 R)
• M7: 612,454 km (0.055 R)
• M8: 729,439 km (0.109 R)
• M9: 800,349 km (0.069 R)
• M10: 893,249 km (0.092 R)
• M11: 989,889 km (0.102 R)
• M12: 1,225,955 km (0.056 R)
• M13: 1,382,584 km (0.115 R)
• M14: 1,530,237 km (0.077 R)
• M15: 1,694,196 km (0.084 R)
• M16: 1,765,853 km (0.111 R)
• M17: 1,855,612 km (0.109 R)
• M18: 2,063,104 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.1

Radius: 13.1

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.31 AU - 1.37 AU

Year: 1018 Days

Day: 11.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 31,081,342 km

• M1: 163,211 km (0.118 R)
• M2: 369,058 km (0.103 R)
• M3: 457,021 km (0.106 R)
• M4: 538,852 km (0.111 R)
• M5: 776,862 km (0.105 R)
• M6: 1,001,857 km (0.045 R)
• M7: 1,086,679 km (0.083 R)
• M8: 1,196,334 km (0.04 R)
• M9: 1,279,511 km (0.097 R)
• M10: 1,380,340 km (0.106 R)
• M11: 1,475,933 km (0.114 R)
• M12: 1,665,922 km (0.116 R)
• M13: 1,768,396 km (0.119 R)
• M14: 1,890,767 km (0.088 R)
• M15: 2,070,734 km (0.053 R)
• M16: 2,181,436 km (0.103 R)
• M17: 2,294,233 km (0.09 R)
• M18: 2,438,146 km (0.085 R)
• M19: 2,714,902 km (0.051 R)
• M20: 3,320,923 km (0.063 R)
• M21: 3,440,601 km (0.111 R)
• M22: 3,584,066 km (0.039 R)
• M23: 3,729,475 km (0.12 R)
• M24: 3,899,717 km (0.088 R)
• M25: 4,330,858 km (0.106 R)
• M26: 4,414,184 km (0.117 R)
• M27: 4,814,209 km (0.096 R)
• M28: 4,900,677 km (0.119 R)
• M29: 5,112,657 km (0.107 R)
• M30: 5,302,347 km (0.086 R)
• M31: 5,558,907 km (0.108 R)
• M32: 5,701,624 km (0.104 R)
• M33: 5,845,836 km (0.119 R)
• M34: 5,977,781 km (0.117 R)
• M35: 6,097,609 km (0.099 R)
• M36: 6,191,257 km (0.034 R)
• M37: 6,352,973 km (0.105 R)
• M38: 6,611,927 km (0.113 R)
• M39: 6,749,557 km (0.069 R)
• M40: 6,888,234 km (0.094 R)
• M41: 7,027,809 km (0.111 R)
• M42: 7,126,095 km (0.108 R)
• M43: 7,267,315 km (0.094 R)
• M44: 7,466,729 km (0.061 R)
• M45: 7,696,661 km (0.085 R)
• M46: 8,002,289 km (0.119 R)
• M47: 8,415,778 km (0.072 R)
• M48: 9,263,998 km (0.043 R)
• M49: 9,418,233 km (0.088 R)
• M50: 9,573,516 km (0.099 R)
• M51: 9,713,839 km (0.047 R)
• M52: 9,855,059 km (0.119 R)
• M53: 10,282,460 km (0.111 R)
• M54: 10,490,401 km (0.095 R)
• M55: 10,586,892 km (0.102 R)
• M56: 10,813,084 km (0.118 R)
• M57: 10,910,622 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.6

Radius: 14.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.39 AU - 1.81 AU

Year: 1328 Days

Day: 5.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 31,081,342 km

• M1: 219,909 km (0.12 R)
• M2: 404,513 km (0.094 R)
• M3: 593,156 km (0.037 R)
• M4: 768,185 km (0.093 R)
• M5: 866,321 km (0.082 R)
• M6: 1,009,187 km (0.109 R)
• M7: 1,283,400 km (0.116 R)
• M8: 1,388,119 km (0.111 R)
• M9: 1,503,758 km (0.074 R)
• M10: 1,614,759 km (0.05 R)
• M11: 1,712,148 km (0.034 R)
• M12: 2,266,857 km (0.117 R)
• M13: 2,423,486 km (0.086 R)
• M14: 2,583,854 km (0.063 R)
• M15: 2,747,963 km (0.106 R)
• M16: 2,846,099 km (0.065 R)
• M17: 3,025,767 km (0.059 R)
• M18: 3,147,838 km (0.106 R)
• M19: 3,375,826 km (0.084 R)
• M20: 3,534,549 km (0.116 R)
• M21: 3,826,564 km (0.086 R)
• M22: 3,947,738 km (0.03 R)
• M23: 4,104,068 km (0.092 R)
• M24: 4,273,712 km (0.104 R)
• M25: 4,468,937 km (0.101 R)
• M26: 4,608,662 km (0.073 R)
• M27: 4,844,577 km (0.112 R)
• M28: 5,060,447 km (0.09 R)
• M29: 5,291,875 km (0.086 R)
• M30: 6,032,684 km (0.065 R)
• M31: 6,135,607 km (0.105 R)
• M32: 6,265,159 km (0.081 R)
• M33: 6,513,940 km (0.096 R)
• M34: 6,913,366 km (0.106 R)
• M35: 7,048,453 km (0.119 R)
• M36: 7,252,505 km (0.06 R)
• M37: 7,417,212 km (0.099 R)
• M38: 7,527,765 km (0.059 R)
• M39: 7,736,454 km (0.097 R)
• M40: 8,031,760 km (0.113 R)
• M41: 8,273,660 km (0.063 R)
• M42: 8,431,486 km (0.105 R)
• M43: 8,546,975 km (0.06 R)
• M44: 9,028,680 km (0.034 R)
• M45: 9,295,114 km (0.027 R)
• M46: 9,564,390 km (0.103 R)
• M47: 9,684,817 km (0.108 R)
• M48: 10,110,422 km (0.045 R)
• M49: 10,511,046 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.5

Radius: 8.5

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.78 AU - 3.54 AU

Year: 3685 Days

Day: 5.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 31,081,342 km

• M1: 109,655 km (0.085 R)
• M2: 178,470 km (0.049 R)
• M3: 304,282 km (0.057 R)
• M4: 397,631 km (0.102 R)
• M5: 483,949 km (0.098 R)
• M6: 567,874 km (0.072 R)
• M7: 667,506 km (0.113 R)
• M8: 751,580 km (0.091 R)
• M9: 1,214,136 km (0.054 R)
• M10: 1,358,947 km (0.1 R)
• M11: 1,426,565 km (0.028 R)
• M12: 1,752,988 km (0.119 R)
• M13: 2,181,586 km (0.088 R)
• M14: 2,261,471 km (0.052 R)
• M15: 2,440,839 km (0.087 R)
• M16: 2,658,953 km (0.116 R)
• M17: 2,865,996 km (0.043 R)
• M18: 3,424,894 km (0.116 R)
• M19: 3,536,942 km (0.083 R)
• M20: 3,669,187 km (0.065 R)
• M21: 3,745,631 km (0.076 R)
• M22: 4,355,392 km (0.113 R)
• M23: 4,599,686 km (0.111 R)
• M24: 4,869,560 km (0.101 R)
• M25: 4,995,821 km (0.06 R)
• M26: 5,555,616 km (0.114 R)
• M27: 5,820,704 km (0.067 R)
• M28: 5,977,183 km (0.104 R)
• M29: 6,067,241 km (0.086 R)
• M30: 6,180,636 km (0.105 R)
• M31: 6,780,823 km (0.108 R)
• M32: 7,159,604 km (0.045 R)
• M33: 7,303,368 km (0.078 R)
• M34: 7,399,709 km (0.067 R)
• M35: 7,496,499 km (0.106 R)
• M36: 7,691,425 km (0.114 R)
• M37: 8,336,491 km (0.111 R)
• M38: 8,589,311 km (0.08 R)
• M39: 9,757,521 km (0.102 R)
• M40: 10,536,627 km (0.088 R)
• M41: 10,618,307 km (0.113 R)
• M42: 10,700,287 km (0.103 R)
• M43: 11,141,002 km (0.114 R)
• M44: 11,224,179 km (0.07 R)
• M45: 11,700,049 km (0.118 R)
• M46: 11,926,391 km (0.111 R)
• M47: 12,903,864 km (0.114 R)
• M48: 13,020,550 km (0.04 R)
• M49: 13,079,043 km (0.099 R)
• M50: 13,137,685 km (0.061 R)
• M51: 13,343,382 km (0.118 R)
• M52: 13,728,148 km (0.073 R)
• M53: 13,966,756 km (0.119 R)
• M54: 14,056,665 km (0.093 R)
• M55: 14,357,506 km (0.034 R)
• M56: 15,088,292 km (0.094 R)
• M57: 15,799,929 km (0.06 R)
• M58: 15,956,109 km (0.042 R)
• M59: 16,206,985 km (0.077 R)
• M60: 16,585,916 km (0.096 R)
• M61: 16,712,775 km (0.113 R)
• M62: 16,871,947 km (0.051 R)
• M63: 17,223,801 km (0.114 R)
• M64: 17,320,142 km (0.103 R)
• M65: 17,934,690 km (0.116 R)
• M66: 17,999,915 km (0.04 R)
• M67: 18,097,602 km (0.114 R)
• M68: 18,326,637 km (0.11 R)
• M69: 19,318,471 km (0.082 R)
• M70: 19,385,341 km (0.097 R)
• M71: 19,485,571 km (0.079 R)
• M72: 20,668,143 km (0.09 R)
• M73: 20,804,725 km (0.093 R)
• M74: 21,078,789 km (0.102 R)
• M75: 21,147,604 km (0.094 R)
• M76: 21,596,098 km (0.109 R)
• M77: 22,257,321 km (0.06 R)
• M78: 22,925,275 km (0.059 R)
• M79: 23,492,700 km (0.069 R)
• M80: 23,849,790 km (0.084 R)
• M81: 24,029,008 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.6

Radius: 14.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.59 AU - 4.25 AU

Year: 4149 Days

Day: 13.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 31,081,342 km

• M1: 185,053 km (0.089 R)
• M2: 522,097 km (0.09 R)
• M3: 625,319 km (0.117 R)
• M4: 796,160 km (0.095 R)
• M5: 907,311 km (0.115 R)
• M6: 1,231,938 km (0.031 R)
• M7: 1,578,407 km (0.12 R)
• M8: 1,674,000 km (0.118 R)
• M9: 2,129,825 km (0.101 R)
• M10: 2,344,947 km (0.046 R)
• M11: 2,855,674 km (0.091 R)
• M12: 3,093,983 km (0.029 R)
• M13: 3,277,091 km (0.117 R)
• M14: 3,935,621 km (0.099 R)
• M15: 4,090,155 km (0.09 R)
• M16: 4,705,003 km (0.118 R)
• M17: 5,083,336 km (0.118 R)
• M18: 5,324,787 km (0.081 R)
• M19: 5,619,644 km (0.104 R)
• M20: 5,769,092 km (0.068 R)
• M21: 5,919,887 km (0.088 R)
• M22: 6,302,857 km (0.034 R)
• M23: 6,588,739 km (0.113 R)
• M24: 7,281,676 km (0.109 R)
• M25: 7,472,264 km (0.1 R)
• M26: 7,692,023 km (0.083 R)
• M27: 8,307,768 km (0.075 R)
• M28: 8,881,326 km (0.086 R)
• M29: 9,319,947 km (0.118 R)
• M30: 10,127,477 km (0.107 R)
• M31: 10,616,662 km (0.111 R)
• M32: 10,802,013 km (0.105 R)
• M33: 10,988,562 km (0.089 R)
• M34: 11,364,801 km (0.109 R)
• M35: 11,809,256 km (0.117 R)
• M36: 12,001,489 km (0.062 R)
• M37: 12,617,084 km (0.117 R)
• M38: 13,077,247 km (0.071 R)
• M39: 13,509,436 km (0.117 R)
• M40: 13,710,645 km (0.053 R)
• M41: 13,845,283 km (0.092 R)
• M42: 14,422,282 km (0.096 R)
• M43: 14,903,538 km (0.1 R)
• M44: 15,076,623 km (0.107 R)
• M45: 15,250,456 km (0.029 R)
• M46: 15,600,066 km (0.029 R)
• M47: 15,811,149 km (0.106 R)
• M48: 16,165,097 km (0.108 R)
• M49: 16,593,246 km (0.11 R)
• M50: 16,808,667 km (0.074 R)
• M51: 17,497,266 km (0.114 R)
• M52: 18,194,991 km (0.036 R)
• M53: 18,677,743 km (0.09 R)
• M54: 19,239,932 km (0.116 R)
• M55: 19,960,096 km (0.094 R)
• M56: 20,227,577 km (0.086 R)
• M57: 20,534,851 km (0.097 R)
• M58: 20,689,086 km (0.115 R)
• M59: 20,959,858 km (0.093 R)
• M60: 21,270,723 km (0.038 R)
• M61: 22,410,659 km (0.066 R)
• M62: 22,808,290 km (0.114 R)
• M63: 23,008,003 km (0.064 R)
• M64: 23,248,407 km (0.089 R)
• M65: 24,259,240 km (0.11 R)
• M66: 24,463,141 km (0.104 R)
• M67: 24,790,462 km (0.043 R)
• M68: 25,284,284 km (0.083 R)
• M69: 25,573,906 km (0.105 R)
• M70: 25,781,398 km (0.096 R)
• M71: 26,031,226 km (0.099 R)
• M72: 26,323,690 km (0.102 R)
• M73: 26,869,573 km (0.1 R)
• M74: 27,080,506 km (0.039 R)
• M75: 27,546,653 km (0.086 R)
• M76: 28,058,128 km (0.116 R)

Asteroid Belt

Center: 5.92 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.7

Radius: 7.8

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.81 AU - 9.03 AU

Year: 16028 Days

Day: 23.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 31,081,342 km

• M1: 198,068 km (0.058 R)
• M2: 326,572 km (0.066 R)
• M3: 392,844 km (0.074 R)
• M4: 475,123 km (0.087 R)
• M5: 634,295 km (0.034 R)
• M6: 695,630 km (0.106 R)
• M7: 771,925 km (0.106 R)
• M8: 824,583 km (0.082 R)
• M9: 1,166,265 km (0.088 R)
• M10: 2,404,337 km (0.038 R)
• M11: 2,463,129 km (0.102 R)
• M12: 2,993,902 km (0.058 R)
• M13: 3,100,117 km (0.079 R)
• M14: 3,604,261 km (0.103 R)
• M15: 3,762,835 km (0.114 R)
• M16: 3,970,028 km (0.111 R)
• M17: 4,516,659 km (0.11 R)
• M18: 4,589,663 km (0.081 R)
• M19: 5,036,212 km (0.086 R)
• M20: 5,705,812 km (0.107 R)
• M21: 5,784,800 km (0.104 R)
• M22: 5,943,972 km (0.044 R)
• M23: 6,294,031 km (0.071 R)
• M24: 6,457,841 km (0.078 R)
• M25: 6,706,173 km (0.072 R)
• M26: 7,614,382 km (0.059 R)
• M27: 7,935,419 km (0.057 R)
• M28: 8,470,531 km (0.078 R)
• M29: 9,575,161 km (0.087 R)
• M30: 9,858,500 km (0.11 R)
• M31: 10,336,614 km (0.075 R)
• M32: 10,986,019 km (0.111 R)
• M33: 11,917,116 km (0.075 R)
• M34: 12,052,203 km (0.114 R)
• M35: 12,119,971 km (0.113 R)
• M36: 12,255,806 km (0.082 R)
• M37: 12,907,903 km (0.099 R)
• M38: 13,012,023 km (0.053 R)
• M39: 13,501,058 km (0.034 R)
• M40: 14,174,398 km (0.106 R)
• M41: 14,967,716 km (0.112 R)
• M42: 15,040,570 km (0.065 R)
• M43: 15,113,574 km (0.057 R)
• M44: 15,406,486 km (0.105 R)
• M45: 16,371,692 km (0.085 R)
• M46: 16,710,381 km (0.038 R)
• M47: 16,823,777 km (0.081 R)
• M48: 17,165,608 km (0.117 R)
• M49: 17,624,724 km (0.072 R)
• M50: 17,701,766 km (0.104 R)
• M51: 18,438,087 km (0.066 R)
• M52: 19,382,648 km (0.116 R)
• M53: 21,605,822 km (0.085 R)
• M54: 22,434,145 km (0.057 R)
• M55: 22,517,471 km (0.105 R)
• M56: 23,357,164 km (0.113 R)
• M57: 25,153,536 km (0.08 R)
• M58: 26,728,502 km (0.06 R)
• M59: 27,661,843 km (0.027 R)
• M60: 27,885,641 km (0.043 R)
• M61: 28,154,918 km (0.105 R)
• M62: 29,560,390 km (0.093 R)
• M63: 29,926,755 km (0.087 R)
• M64: 30,571,522 km (0.055 R)
• M65: 30,710,348 km (0.077 R)
• M66: 30,988,451 km (0.075 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: 535 - 10,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit