🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.47 AU - 0.73 AU

Year: 300 Days

Day: 12.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.4

Radius: 11.4

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.63 AU - 0.81 AU

Year: 394 Days

Day: 14.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,662,018 km

• M1: 145,409 km (0.111 R)
• M2: 221,405 km (0.098 R)
• M3: 293,960 km (0.088 R)
• M4: 386,561 km (0.096 R)
• M5: 545,883 km (0.052 R)
• M6: 659,128 km (0.081 R)
• M7: 759,359 km (0.04 R)
• M8: 962,064 km (0.036 R)
• M9: 1,068,727 km (0.082 R)
• M10: 1,166,863 km (0.053 R)
• M11: 1,244,953 km (0.058 R)
• M12: 1,358,947 km (0.093 R)
• M13: 1,490,593 km (0.102 R)
• M14: 1,594,115 km (0.099 R)
• M15: 1,714,990 km (0.104 R)
• M16: 1,816,268 km (0.093 R)
• M17: 1,904,082 km (0.117 R)
• M18: 2,001,320 km (0.116 R)
• M19: 2,100,205 km (0.063 R)
• M20: 2,184,727 km (0.076 R)
• M21: 2,323,853 km (0.094 R)
• M22: 2,419,746 km (0.08 R)
• M23: 2,499,930 km (0.074 R)
• M24: 2,598,216 km (0.037 R)
• M25: 2,732,854 km (0.051 R)
• M26: 2,834,431 km (0.098 R)
• M27: 2,905,639 km (0.086 R)
• M28: 2,977,596 km (0.12 R)
• M29: 3,109,541 km (0.099 R)
• M30: 3,197,056 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.4

Radius: 14

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.95 AU - 0.99 AU

Year: 617 Days

Day: 6 Hours

Environment

Temp: -148 °C

Axial Tilt: 97.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 65,662,018 km

• M1: 189,391 km (0.08 R)
• M2: 282,291 km (0.06 R)
• M3: 381,325 km (0.118 R)
• M4: 532,120 km (0.084 R)
• M5: 625,917 km (0.109 R)
• M6: 784,641 km (0.084 R)
• M7: 921,523 km (0.063 R)
• M8: 1,106,575 km (0.111 R)
• M9: 1,209,948 km (0.107 R)
• M10: 1,298,809 km (0.071 R)
• M11: 1,427,164 km (0.032 R)
• M12: 1,527,993 km (0.028 R)
• M13: 1,631,514 km (0.042 R)
• M14: 2,084,198 km (0.117 R)
• M15: 2,221,828 km (0.116 R)
• M16: 2,332,829 km (0.116 R)
• M17: 2,499,032 km (0.068 R)
• M18: 2,606,892 km (0.112 R)
• M19: 2,835,478 km (0.093 R)
• M20: 3,046,261 km (0.116 R)
• M21: 3,186,883 km (0.027 R)
• M22: 3,674,423 km (0.052 R)
• M23: 4,176,473 km (0.096 R)
• M24: 4,454,576 km (0.067 R)
• M25: 4,558,098 km (0.099 R)
• M26: 4,738,812 km (0.097 R)
• M27: 4,883,323 km (0.111 R)
• M28: 4,999,860 km (0.112 R)
• M29: 5,325,385 km (0.083 R)
• M30: 5,525,996 km (0.041 R)
• M31: 5,647,619 km (0.086 R)
• M32: 5,749,645 km (0.089 R)
• M33: 5,873,063 km (0.115 R)
• M34: 5,966,113 km (0.091 R)
• M35: 6,111,821 km (0.094 R)
• M36: 6,322,156 km (0.047 R)
• M37: 6,417,599 km (0.101 R)
• M38: 6,524,113 km (0.099 R)
• M39: 6,706,772 km (0.104 R)
• M40: 6,825,852 km (0.098 R)
• M41: 6,967,371 km (0.066 R)
• M42: 7,309,202 km (0.102 R)
• M43: 7,577,581 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.4

Radius: 12.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.21 AU - 1.51 AU

Year: 1024 Days

Day: 7.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 65,662,018 km

• M1: 163,361 km (0.062 R)
• M2: 253,568 km (0.091 R)
• M3: 349,760 km (0.066 R)
• M4: 470,336 km (0.117 R)
• M5: 639,531 km (0.111 R)
• M6: 854,653 km (0.046 R)
• M7: 968,646 km (0.086 R)
• M8: 1,050,027 km (0.079 R)
• M9: 1,133,802 km (0.055 R)
• M10: 1,274,275 km (0.096 R)
• M11: 1,392,607 km (0.079 R)
• M12: 1,551,629 km (0.098 R)
• M13: 1,935,647 km (0.118 R)
• M14: 2,040,515 km (0.105 R)
• M15: 2,172,311 km (0.064 R)
• M16: 2,264,613 km (0.115 R)
• M17: 2,401,345 km (0.116 R)
• M18: 2,505,764 km (0.09 R)
• M19: 2,746,318 km (0.115 R)
• M20: 2,837,423 km (0.085 R)
• M21: 2,938,850 km (0.111 R)
• M22: 3,088,448 km (0.089 R)
• M23: 3,231,164 km (0.085 R)
• M24: 3,376,125 km (0.109 R)
• M25: 3,642,559 km (0.111 R)
• M26: 3,753,111 km (0.109 R)
• M27: 4,018,947 km (0.118 R)
• M28: 4,164,655 km (0.105 R)
• M29: 4,612,551 km (0.038 R)
• M30: 4,721,458 km (0.103 R)
• M31: 4,919,676 km (0.095 R)
• M32: 5,053,416 km (0.092 R)
• M33: 5,245,051 km (0.09 R)
• M34: 5,370,264 km (0.117 R)
• M35: 5,473,487 km (0.102 R)
• M36: 5,635,501 km (0.088 R)
• M37: 5,799,012 km (0.096 R)
• M38: 5,893,259 km (0.051 R)
• M39: 6,214,894 km (0.057 R)
• M40: 6,420,292 km (0.038 R)
• M41: 6,505,563 km (0.063 R)
• M42: 6,850,535 km (0.099 R)
• M43: 7,062,815 km (0.048 R)
• M44: 7,417,362 km (0.12 R)
• M45: 7,532,552 km (0.068 R)
• M46: 7,738,997 km (0.063 R)
• M47: 7,829,803 km (0.119 R)
• M48: 7,947,088 km (0.115 R)
• M49: 8,091,300 km (0.099 R)
• M50: 8,249,724 km (0.038 R)
• M51: 8,515,859 km (0.104 R)
• M52: 8,784,985 km (0.088 R)
• M53: 8,974,975 km (0.116 R)
• M54: 9,152,697 km (0.079 R)
• M55: 9,290,177 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.5

Radius: 8.4

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.24 AU - 2 AU

Year: 1331 Days

Day: 13.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 65,662,018 km

• M1: 105,466 km (0.094 R)
• M2: 187,895 km (0.086 R)
• M3: 248,033 km (0.048 R)
• M4: 354,248 km (0.112 R)
• M5: 690,394 km (0.089 R)
• M6: 752,926 km (0.086 R)
• M7: 1,016,069 km (0.106 R)
• M8: 1,073,664 km (0.089 R)
• M9: 1,132,306 km (0.085 R)
• M10: 1,215,034 km (0.093 R)
• M11: 1,307,485 km (0.104 R)
• M12: 1,467,106 km (0.099 R)
• M13: 1,744,461 km (0.088 R)
• M14: 1,867,131 km (0.106 R)
• M15: 2,112,023 km (0.102 R)
• M16: 2,186,672 km (0.111 R)
• M17: 2,319,365 km (0.092 R)
• M18: 2,632,623 km (0.079 R)
• M19: 2,753,648 km (0.04 R)
• M20: 2,835,478 km (0.103 R)
• M21: 2,949,172 km (0.109 R)
• M22: 3,032,798 km (0.091 R)
• M23: 3,310,152 km (0.029 R)
• M24: 3,397,218 km (0.076 R)
• M25: 3,474,111 km (0.11 R)
• M26: 3,540,383 km (0.105 R)
• M27: 3,753,111 km (0.047 R)
• M28: 3,832,548 km (0.066 R)
• M29: 3,889,545 km (0.084 R)
• M30: 4,062,629 km (0.064 R)
• M31: 4,155,829 km (0.086 R)
• M32: 4,226,289 km (0.092 R)
• M33: 4,297,199 km (0.063 R)
• M34: 4,476,118 km (0.115 R)
• M35: 4,718,466 km (0.082 R)
• M36: 4,841,286 km (0.096 R)
• M37: 5,052,518 km (0.053 R)
• M38: 5,254,176 km (0.075 R)
• M39: 5,484,108 km (0.057 R)
• M40: 5,809,035 km (0.084 R)
• M41: 5,967,309 km (0.103 R)
• M42: 6,086,988 km (0.077 R)
• M43: 6,167,172 km (0.074 R)
• M44: 6,669,372 km (0.113 R)
• M45: 6,890,628 km (0.119 R)
• M46: 7,100,214 km (0.101 R)
• M47: 7,255,347 km (0.037 R)
• M48: 7,326,257 km (0.115 R)
• M49: 7,397,316 km (0.12 R)
• M50: 7,597,627 km (0.106 R)
• M51: 7,886,949 km (0.065 R)
• M52: 8,032,957 km (0.048 R)
• M53: 8,194,672 km (0.096 R)
• M54: 8,283,234 km (0.05 R)
• M55: 8,461,405 km (0.095 R)
• M56: 8,716,170 km (0.083 R)
• M57: 9,402,376 km (0.047 R)
• M58: 9,541,801 km (0.094 R)
• M59: 9,759,915 km (0.118 R)
• M60: 9,979,674 km (0.055 R)
• M61: 10,424,279 km (0.042 R)
• M62: 10,761,921 km (0.115 R)
• M63: 10,875,167 km (0.058 R)
• M64: 10,940,092 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.2

Radius: 13.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.83 AU - 2.69 AU

Year: 2194 Days

Day: 11.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 65,662,018 km

• M1: 177,273 km (0.119 R)
• M2: 381,175 km (0.105 R)
• M3: 555,606 km (0.077 R)
• M4: 679,324 km (0.057 R)
• M5: 885,171 km (0.109 R)
• M6: 996,471 km (0.119 R)
• M7: 1,153,100 km (0.083 R)
• M8: 1,329,327 km (0.089 R)
• M9: 1,459,327 km (0.109 R)
• M10: 1,851,872 km (0.101 R)
• M11: 2,136,407 km (0.092 R)
• M12: 2,422,289 km (0.032 R)
• M13: 2,860,461 km (0.043 R)
• M14: 3,017,090 km (0.105 R)
• M15: 3,235,204 km (0.04 R)
• M16: 3,473,812 km (0.09 R)
• M17: 3,687,288 km (0.12 R)
• M18: 4,111,697 km (0.062 R)
• M19: 4,585,025 km (0.118 R)
• M20: 4,701,861 km (0.092 R)
• M21: 4,802,840 km (0.107 R)
• M22: 5,266,593 km (0.09 R)
• M23: 5,354,108 km (0.046 R)
• M24: 5,477,376 km (0.1 R)
• M25: 5,708,804 km (0.096 R)
• M26: 6,404,135 km (0.052 R)
• M27: 6,629,430 km (0.092 R)
• M28: 6,780,972 km (0.099 R)
• M29: 6,991,456 km (0.076 R)
• M30: 7,203,885 km (0.083 R)
• M31: 7,320,871 km (0.058 R)
• M32: 7,418,708 km (0.116 R)
• M33: 7,874,533 km (0.071 R)
• M34: 8,015,155 km (0.074 R)
• M35: 8,668,449 km (0.109 R)
• M36: 8,813,708 km (0.105 R)
• M37: 9,106,621 km (0.094 R)
• M38: 9,509,189 km (0.078 R)
• M39: 9,831,273 km (0.119 R)
• M40: 10,178,789 km (0.032 R)
• M41: 10,266,303 km (0.097 R)
• M42: 11,132,774 km (0.077 R)
• M43: 11,358,817 km (0.106 R)
• M44: 12,068,958 km (0.042 R)
• M45: 12,324,471 km (0.116 R)
• M46: 12,464,644 km (0.119 R)
• M47: 12,652,240 km (0.104 R)
• M48: 14,113,811 km (0.07 R)
• M49: 14,358,553 km (0.096 R)
• M50: 14,728,359 km (0.08 R)
• M51: 14,827,393 km (0.067 R)
• M52: 15,426,981 km (0.102 R)
• M53: 15,831,045 km (0.057 R)
• M54: 16,212,968 km (0.093 R)
• M55: 16,366,605 km (0.03 R)
• M56: 16,778,748 km (0.117 R)
• M57: 17,718,521 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 11.8

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.23 AU - 5.33 AU

Year: 6748 Days

Day: 10.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,662,018 km

• M1: 281,094 km (0.064 R)
• M2: 404,812 km (0.091 R)
• M3: 531,970 km (0.104 R)
• M4: 657,632 km (0.071 R)
• M5: 757,863 km (0.11 R)
• M6: 832,213 km (0.108 R)
• M7: 915,838 km (0.093 R)
• M8: 1,009,337 km (0.081 R)
• M9: 1,265,897 km (0.099 R)
• M10: 1,433,148 km (0.117 R)
• M11: 1,807,142 km (0.098 R)
• M12: 2,049,940 km (0.097 R)
• M13: 2,322,058 km (0.094 R)
• M14: 2,405,983 km (0.115 R)
• M15: 2,951,566 km (0.111 R)
• M16: 3,385,849 km (0.116 R)
• M17: 4,383,816 km (0.098 R)
• M18: 4,831,263 km (0.06 R)
• M19: 4,951,540 km (0.067 R)
• M20: 6,299,417 km (0.086 R)
• M21: 6,939,247 km (0.046 R)
• M22: 7,474,508 km (0.111 R)
• M23: 7,966,236 km (0.08 R)
• M24: 8,165,800 km (0.12 R)
• M25: 9,413,296 km (0.119 R)
• M26: 9,883,034 km (0.1 R)
• M27: 10,066,890 km (0.065 R)
• M28: 10,251,942 km (0.033 R)
• M29: 10,422,633 km (0.075 R)
• M30: 10,516,132 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.7

Radius: 6

Gravity: 20.52 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.96 AU - 8.64 AU

Year: 15439 Days

Day: 24 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 65,662,018 km

• M1: 785,987 km (0.106 R)
• M2: 852,409 km (0.12 R)
• M3: 990,787 km (0.113 R)
• M4: 1,186,760 km (0.03 R)
• M5: 1,237,623 km (0.079 R)
• M6: 1,421,778 km (0.089 R)
• M7: 1,614,759 km (0.065 R)
• M8: 1,995,037 km (0.091 R)
• M9: 2,056,073 km (0.098 R)
• M10: 2,338,065 km (0.045 R)
• M11: 2,500,080 km (0.072 R)
• M12: 3,584,215 km (0.1 R)
• M13: 3,999,798 km (0.059 R)
• M14: 4,590,859 km (0.094 R)
• M15: 5,293,521 km (0.082 R)
• M16: 5,549,483 km (0.094 R)
• M17: 5,722,268 km (0.082 R)
• M18: 5,853,166 km (0.104 R)
• M19: 6,073,374 km (0.107 R)
• M20: 6,935,058 km (0.06 R)
• M21: 7,214,956 km (0.072 R)
• M22: 8,223,844 km (0.119 R)
• M23: 9,021,799 km (0.112 R)
• M24: 9,174,239 km (0.045 R)
• M25: 9,225,252 km (0.077 R)
• M26: 10,158,892 km (0.086 R)
• M27: 10,797,825 km (0.054 R)
• M28: 11,013,844 km (0.069 R)
• M29: 11,122,302 km (0.081 R)
• M30: 11,449,922 km (0.027 R)
• M31: 12,226,484 km (0.072 R)
• M32: 12,621,273 km (0.107 R)
• M33: 12,905,808 km (0.093 R)
• M34: 13,192,438 km (0.112 R)
• M35: 15,681,597 km (0.025 R)
• M36: 15,803,669 km (0.115 R)
• M37: 16,604,915 km (0.112 R)
• M38: 16,791,613 km (0.098 R)
• M39: 17,293,215 km (0.091 R)
• M40: 19,086,744 km (0.109 R)
• M41: 21,207,892 km (0.071 R)
• M42: 21,342,979 km (0.119 R)
• M43: 21,478,215 km (0.077 R)
• M44: 21,545,983 km (0.068 R)
• M45: 22,159,185 km (0.105 R)
• M46: 23,542,067 km (0.03 R)
• M47: 25,166,700 km (0.071 R)
• M48: 26,173,195 km (0.076 R)
• M49: 27,412,912 km (0.113 R)
• M50: 27,486,514 km (0.086 R)
• M51: 29,722,404 km (0.109 R)
• M52: 29,949,344 km (0.047 R)
• M53: 30,633,156 km (0.119 R)
• M54: 30,938,635 km (0.031 R)
• M55: 31,015,229 km (0.114 R)
• M56: 31,091,823 km (0.118 R)
• M57: 31,398,947 km (0.058 R)
• M58: 33,184,248 km (0.108 R)
• M59: 33,734,170 km (0.08 R)
• M60: 34,366,221 km (0.07 R)
• M61: 38,569,024 km (0.071 R)
• M62: 39,312,675 km (0.116 R)
• M63: 40,061,113 km (0.11 R)
• M64: 40,144,589 km (0.038 R)
• M65: 40,228,064 km (0.112 R)
• M66: 41,066,411 km (0.115 R)
• M67: 43,615,558 km (0.097 R)
• M68: 44,045,353 km (0.066 R)
• M69: 45,082,665 km (0.115 R)
• M70: 45,256,348 km (0.075 R)
• M71: 45,430,181 km (0.097 R)
• M72: 45,517,247 km (0.114 R)
• M73: 45,691,378 km (0.062 R)
• M74: 46,741,406 km (0.113 R)
• M75: 48,153,759 km (0.059 R)
• M76: 49,759,244 km (0.09 R)
• M77: 50,208,337 km (0.031 R)
• M78: 50,388,303 km (0.028 R)
• M79: 50,658,776 km (0.11 R)
• M80: 51,110,561 km (0.057 R)
• M81: 52,656,506 km (0.082 R)
• M82: 53,481,239 km (0.117 R)
• M83: 54,865,169 km (0.119 R)
• M84: 55,050,670 km (0.108 R)
• M85: 55,980,870 km (0.113 R)
• M86: 56,822,507 km (0.096 R)
• M87: 57,010,103 km (0.107 R)
• M88: 58,328,958 km (0.044 R)
• M89: 59,182,114 km (0.105 R)
• M90: 60,613,317 km (0.039 R)
• M91: 62,829,759 km (0.116 R)
• M92: 62,926,699 km (0.095 R)
• M93: 63,412,293 km (0.085 R)
• M94: 63,704,308 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 18,327 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit