🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.61 AU - 0.67 AU

Year: 326 Days

Day: 16.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.8

Radius: 8.3

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.66 AU - 0.84 AU

Year: 413 Days

Day: 14 Hours

Environment

Temp: -134 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 44,232,699 km

• M1: 107,112 km (0.054 R)
• M2: 171,290 km (0.099 R)
• M3: 279,898 km (0.106 R)
• M4: 340,036 km (0.105 R)
• M5: 427,850 km (0.111 R)
• M6: 566,677 km (0.07 R)
• M7: 625,170 km (0.12 R)
• M8: 709,393 km (0.078 R)
• M9: 769,083 km (0.117 R)
• M10: 830,567 km (0.111 R)
• M11: 915,389 km (0.09 R)
• M12: 967,898 km (0.09 R)
• M13: 1,021,305 km (0.111 R)
• M14: 1,131,409 km (0.088 R)
• M15: 1,255,276 km (0.108 R)
• M16: 1,419,235 km (0.094 R)
• M17: 1,475,334 km (0.116 R)
• M18: 1,653,954 km (0.118 R)
• M19: 1,707,959 km (0.088 R)
• M20: 1,762,413 km (0.04 R)
• M21: 1,839,755 km (0.098 R)
• M22: 1,901,389 km (0.074 R)
• M23: 1,997,880 km (0.069 R)
• M24: 2,431,265 km (0.087 R)
• M25: 2,505,316 km (0.096 R)
• M26: 2,598,814 km (0.104 R)
• M27: 2,841,312 km (0.091 R)
• M28: 3,011,405 km (0.101 R)
• M29: 3,382,408 km (0.114 R)
• M30: 3,479,198 km (0.099 R)
• M31: 3,541,879 km (0.111 R)
• M32: 3,711,074 km (0.084 R)
• M33: 3,789,464 km (0.07 R)
• M34: 4,057,244 km (0.116 R)
• M35: 4,535,059 km (0.114 R)
• M36: 4,641,872 km (0.076 R)
• M37: 4,695,728 km (0.103 R)
• M38: 4,850,561 km (0.12 R)
• M39: 4,959,917 km (0.089 R)
• M40: 5,030,677 km (0.1 R)
• M41: 5,284,844 km (0.077 R)
• M42: 5,389,413 km (0.1 R)
• M43: 5,478,424 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.4

Radius: 13.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.12 AU - 1.24 AU

Year: 815 Days

Day: 7 Hours

Environment

Temp: -170 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 44,232,699 km

• M1: 173,085 km (0.117 R)
• M2: 307,424 km (0.12 R)
• M3: 401,521 km (0.082 R)
• M4: 511,026 km (0.062 R)
• M5: 611,107 km (0.06 R)
• M6: 739,013 km (0.095 R)
• M7: 830,119 km (0.075 R)
• M8: 991,834 km (0.118 R)
• M9: 1,094,308 km (0.077 R)
• M10: 1,225,057 km (0.07 R)
• M11: 1,336,208 km (0.078 R)
• M12: 1,602,792 km (0.088 R)
• M13: 1,795,174 km (0.064 R)
• M14: 1,901,539 km (0.117 R)
• M15: 1,988,156 km (0.102 R)
• M16: 2,105,889 km (0.107 R)
• M17: 2,264,014 km (0.105 R)
• M18: 2,395,212 km (0.091 R)
• M19: 2,895,168 km (0.115 R)
• M20: 3,209,174 km (0.109 R)
• M21: 3,322,270 km (0.027 R)
• M22: 3,516,597 km (0.111 R)
• M23: 3,615,332 km (0.075 R)
• M24: 3,751,316 km (0.058 R)
• M25: 3,843,020 km (0.051 R)
• M26: 4,141,467 km (0.1 R)
• M27: 4,245,887 km (0.108 R)
• M28: 4,554,657 km (0.089 R)
• M29: 4,910,999 km (0.084 R)
• M30: 5,021,701 km (0.104 R)
• M31: 5,255,822 km (0.119 R)
• M32: 5,514,477 km (0.088 R)
• M33: 5,661,232 km (0.104 R)
• M34: 5,819,956 km (0.041 R)
• M35: 6,012,338 km (0.095 R)
• M36: 6,239,428 km (0.12 R)
• M37: 6,381,396 km (0.115 R)
• M38: 6,502,571 km (0.115 R)
• M39: 6,859,062 km (0.093 R)
• M40: 7,336,878 km (0.082 R)
• M41: 7,440,549 km (0.108 R)
• M42: 7,533,300 km (0.103 R)
• M43: 7,708,180 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347

Radius: 10.6

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.27 AU - 1.27 AU

Year: 910 Days

Day: 5.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 44,232,699 km

• M1: 134,488 km (0.097 R)
• M2: 235,168 km (0.082 R)
• M3: 372,050 km (0.095 R)
• M4: 475,721 km (0.11 R)
• M5: 586,573 km (0.096 R)
• M6: 717,023 km (0.055 R)
• M7: 786,137 km (0.047 R)
• M8: 905,217 km (0.042 R)
• M9: 1,053,319 km (0.105 R)
• M10: 1,145,022 km (0.102 R)
• M11: 1,239,568 km (0.101 R)
• M12: 1,343,090 km (0.106 R)
• M13: 1,443,320 km (0.112 R)
• M14: 1,598,603 km (0.054 R)
• M15: 1,671,607 km (0.105 R)
• M16: 1,752,689 km (0.095 R)
• M17: 2,252,046 km (0.107 R)
• M18: 2,410,321 km (0.087 R)
• M19: 2,580,264 km (0.118 R)
• M20: 2,682,439 km (0.066 R)
• M21: 2,754,097 km (0.093 R)
• M22: 2,948,275 km (0.101 R)
• M23: 3,172,223 km (0.113 R)
• M24: 3,299,082 km (0.09 R)
• M25: 3,549,209 km (0.05 R)
• M26: 3,716,460 km (0.098 R)
• M27: 3,787,668 km (0.105 R)
• M28: 3,967,784 km (0.098 R)
• M29: 4,068,015 km (0.091 R)
• M30: 4,141,467 km (0.111 R)
• M31: 4,215,369 km (0.116 R)
• M32: 4,364,518 km (0.095 R)
• M33: 4,842,034 km (0.083 R)
• M34: 4,968,893 km (0.107 R)
• M35: 5,067,329 km (0.115 R)
• M36: 5,376,398 km (0.094 R)
• M37: 5,457,181 km (0.06 R)
• M38: 5,743,212 km (0.117 R)
• M39: 5,856,906 km (0.06 R)
• M40: 5,940,083 km (0.063 R)
• M41: 6,361,949 km (0.119 R)
• M42: 7,101,261 km (0.083 R)
• M43: 7,537,489 km (0.095 R)
• M44: 7,628,145 km (0.116 R)
• M45: 7,730,470 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.6

Radius: 11.5

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.34 AU - 1.96 AU

Year: 1348 Days

Day: 9.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,232,699 km

• M1: 151,094 km (0.091 R)
• M2: 246,537 km (0.118 R)
• M3: 373,247 km (0.113 R)
• M4: 550,371 km (0.052 R)
• M5: 650,751 km (0.035 R)
• M6: 726,896 km (0.057 R)
• M7: 822,788 km (0.102 R)
• M8: 997,369 km (0.118 R)
• M9: 1,194,389 km (0.073 R)
• M10: 1,319,752 km (0.111 R)
• M11: 1,568,833 km (0.117 R)
• M12: 1,838,707 km (0.111 R)
• M13: 2,025,256 km (0.088 R)
• M14: 2,100,504 km (0.05 R)
• M15: 2,248,007 km (0.026 R)
• M16: 2,411,218 km (0.109 R)
• M17: 2,553,336 km (0.104 R)
• M18: 2,749,459 km (0.054 R)
• M19: 2,846,249 km (0.108 R)
• M20: 3,063,166 km (0.102 R)
• M21: 3,360,866 km (0.099 R)
• M22: 3,555,343 km (0.112 R)
• M23: 3,717,806 km (0.065 R)
• M24: 3,853,940 km (0.097 R)
• M25: 4,013,711 km (0.111 R)
• M26: 4,153,435 km (0.099 R)
• M27: 4,453,080 km (0.077 R)
• M28: 4,651,596 km (0.115 R)
• M29: 4,728,789 km (0.061 R)
• M30: 4,829,767 km (0.114 R)
• M31: 5,010,182 km (0.08 R)
• M32: 5,523,901 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.6

Radius: 11.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.55 AU - 2.27 AU

Year: 1678 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 44,232,699 km

• M1: 162,762 km (0.074 R)
• M2: 251,474 km (0.113 R)
• M3: 336,595 km (0.069 R)
• M4: 419,921 km (0.082 R)
• M5: 569,220 km (0.032 R)
• M6: 706,401 km (0.112 R)
• M7: 986,149 km (0.116 R)
• M8: 1,097,899 km (0.113 R)
• M9: 1,389,914 km (0.104 R)
• M10: 1,581,549 km (0.073 R)
• M11: 1,654,702 km (0.065 R)
• M12: 1,912,758 km (0.068 R)
• M13: 2,433,658 km (0.076 R)
• M14: 2,657,756 km (0.073 R)
• M15: 2,879,609 km (0.082 R)
• M16: 2,960,991 km (0.074 R)
• M17: 3,126,296 km (0.058 R)
• M18: 3,351,291 km (0.112 R)
• M19: 3,987,681 km (0.105 R)
• M20: 4,109,304 km (0.111 R)
• M21: 4,211,629 km (0.098 R)
• M22: 4,314,851 km (0.087 R)
• M23: 4,534,311 km (0.099 R)
• M24: 4,714,577 km (0.106 R)
• M25: 4,973,381 km (0.11 R)
• M26: 5,082,588 km (0.099 R)
• M27: 5,281,104 km (0.072 R)
• M28: 5,448,654 km (0.098 R)
• M29: 5,754,581 km (0.108 R)
• M30: 5,915,399 km (0.107 R)
• M31: 6,241,672 km (0.081 R)
• M32: 6,336,068 km (0.116 R)
• M33: 6,645,736 km (0.088 R)
• M34: 7,218,546 km (0.117 R)
• M35: 7,517,143 km (0.093 R)
• M36: 7,604,957 km (0.061 R)
• M37: 7,781,632 km (0.11 R)
• M38: 8,049,413 km (0.07 R)
• M39: 8,216,663 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.8

Radius: 14.4

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.24 AU - 6.8 AU

Year: 8246 Days

Day: 9.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 44,232,699 km

• M1: 179,667 km (0.105 R)
• M2: 298,298 km (0.105 R)
• M3: 391,348 km (0.081 R)
• M4: 573,109 km (0.113 R)
• M5: 818,001 km (0.029 R)
• M6: 908,059 km (0.102 R)
• M7: 1,155,344 km (0.091 R)
• M8: 1,499,569 km (0.118 R)
• M9: 1,730,099 km (0.116 R)
• M10: 1,863,391 km (0.042 R)
• M11: 2,212,104 km (0.096 R)
• M12: 2,845,352 km (0.103 R)
• M13: 3,052,545 km (0.086 R)
• M14: 3,431,775 km (0.112 R)
• M15: 3,618,623 km (0.115 R)
• M16: 3,878,923 km (0.087 R)
• M17: 4,677,925 km (0.044 R)
• M18: 5,507,595 km (0.063 R)
• M19: 6,195,895 km (0.094 R)
• M20: 6,445,424 km (0.083 R)
• M21: 6,571,386 km (0.087 R)
• M22: 6,762,123 km (0.073 R)
• M23: 7,019,132 km (0.117 R)
• M24: 7,498,743 km (0.087 R)
• M25: 7,921,506 km (0.094 R)
• M26: 8,101,921 km (0.032 R)
• M27: 8,582,131 km (0.081 R)
• M28: 8,837,345 km (0.079 R)
• M29: 9,260,407 km (0.104 R)
• M30: 9,426,760 km (0.059 R)
• M31: 9,522,204 km (0.111 R)
• M32: 9,858,948 km (0.076 R)
• M33: 10,053,276 km (0.062 R)
• M34: 10,544,406 km (0.038 R)
• M35: 11,068,746 km (0.067 R)
• M36: 11,575,883 km (0.087 R)
• M37: 11,780,982 km (0.105 R)
• M38: 11,909,786 km (0.094 R)
• M39: 12,064,919 km (0.065 R)
• M40: 12,534,357 km (0.096 R)
• M41: 12,639,524 km (0.026 R)
• M42: 13,707,204 km (0.112 R)
• M43: 14,142,384 km (0.076 R)
• M44: 14,527,000 km (0.036 R)
• M45: 14,887,083 km (0.106 R)
• M46: 15,054,333 km (0.067 R)
• M47: 15,644,646 km (0.095 R)
• M48: 15,843,162 km (0.063 R)
• M49: 16,732,073 km (0.098 R)
• M50: 16,964,099 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 8.9

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.1 AU - 6.62 AU

Year: 9019 Days

Day: 8.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 44,232,699 km

• M1: 142,268 km (0.116 R)
• M2: 244,892 km (0.106 R)
• M3: 759,209 km (0.043 R)
• M4: 980,913 km (0.102 R)
• M5: 1,402,630 km (0.059 R)
• M6: 1,548,039 km (0.099 R)
• M7: 1,676,693 km (0.07 R)
• M8: 1,808,937 km (0.102 R)
• M9: 1,876,406 km (0.111 R)
• M10: 2,299,170 km (0.11 R)
• M11: 2,471,656 km (0.096 R)
• M12: 2,725,374 km (0.103 R)
• M13: 2,803,165 km (0.102 R)
• M14: 3,041,026 km (0.059 R)
• M15: 4,116,485 km (0.071 R)
• M16: 4,176,025 km (0.109 R)
• M17: 5,009,285 km (0.113 R)
• M18: 5,137,041 km (0.118 R)
• M19: 5,298,308 km (0.112 R)
• M20: 5,363,383 km (0.113 R)
• M21: 5,461,369 km (0.062 R)
• M22: 5,792,280 km (0.056 R)
• M23: 5,926,469 km (0.038 R)
• M24: 6,061,706 km (0.111 R)
• M25: 6,369,728 km (0.055 R)
• M26: 6,473,549 km (0.085 R)
• M27: 6,965,576 km (0.051 R)
• M28: 7,360,664 km (0.108 R)
• M29: 7,579,227 km (0.063 R)
• M30: 7,763,082 km (0.113 R)
• M31: 7,948,284 km (0.102 R)
• M32: 8,247,779 km (0.083 R)
• M33: 8,436,871 km (0.065 R)
• M34: 8,665,756 km (0.117 R)
• M35: 8,974,077 km (0.065 R)
• M36: 9,720,570 km (0.095 R)
• M37: 10,121,493 km (0.099 R)
• M38: 10,774,188 km (0.085 R)
• M39: 11,064,109 km (0.081 R)
• M40: 11,949,130 km (0.028 R)
• M41: 12,163,204 km (0.119 R)
• M42: 12,378,625 km (0.074 R)
• M43: 12,725,692 km (0.094 R)
• M44: 13,164,313 km (0.03 R)
• M45: 14,509,348 km (0.067 R)
• M46: 14,921,340 km (0.113 R)
• M47: 15,152,020 km (0.03 R)
• M48: 15,430,272 km (0.119 R)
• M49: 15,756,994 km (0.071 R)
• M50: 16,607,757 km (0.093 R)
• M51: 17,231,431 km (0.112 R)
• M52: 17,570,420 km (0.086 R)
• M53: 17,813,965 km (0.038 R)
• M54: 19,048,297 km (0.118 R)
• M55: 19,852,535 km (0.115 R)
• M56: 19,953,962 km (0.098 R)
• M57: 20,616,681 km (0.076 R)
• M58: 23,392,918 km (0.111 R)
• M59: 24,308,008 km (0.063 R)
• M60: 24,742,740 km (0.119 R)
• M61: 25,785,287 km (0.118 R)
• M62: 26,173,045 km (0.11 R)
• M63: 26,786,247 km (0.103 R)
• M64: 28,026,862 km (0.089 R)
• M65: 29,113,391 km (0.086 R)
• M66: 29,632,795 km (0.106 R)
• M67: 29,980,760 km (0.082 R)
• M68: 30,388,563 km (0.053 R)
• M69: 30,798,013 km (0.03 R)
• M70: 31,327,290 km (0.102 R)
• M71: 31,741,078 km (0.115 R)
• M72: 32,097,121 km (0.119 R)
• M73: 35,238,078 km (0.114 R)
• M74: 36,471,961 km (0.099 R)
• M75: 36,534,044 km (0.087 R)
• M76: 37,219,053 km (0.12 R)
• M77: 38,538,655 km (0.073 R)
• M78: 38,601,935 km (0.067 R)
• M79: 38,918,484 km (0.112 R)
• M80: 39,108,923 km (0.12 R)
• M81: 40,001,423 km (0.04 R)
• M82: 40,643,198 km (0.113 R)
• M83: 41,029,759 km (0.118 R)
• M84: 41,094,385 km (0.054 R)
• M85: 41,871,696 km (0.069 R)
• M86: 42,915,740 km (0.1 R)
• M87: 42,981,263 km (0.062 R)
• M88: 43,440,828 km (0.077 R)
• M89: 43,506,651 km (0.083 R)
• M90: 44,166,527 km (0.056 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 14,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit