🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.53 AU - 0.63 AU

Year: 290 Days

Day: 28.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.9

Radius: 12

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.57 AU - 0.89 AU

Year: 409 Days

Day: 11.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,407,503 km

• M1: 149,299 km (0.106 R)
• M2: 239,805 km (0.108 R)
• M3: 323,730 km (0.06 R)
• M4: 461,061 km (0.118 R)
• M5: 567,874 km (0.036 R)
• M6: 735,722 km (0.119 R)
• M7: 819,198 km (0.102 R)
• M8: 930,200 km (0.053 R)
• M9: 1,012,478 km (0.105 R)
• M10: 1,123,181 km (0.098 R)
• M11: 1,248,245 km (0.106 R)
• M12: 1,326,484 km (0.036 R)
• M13: 1,406,370 km (0.115 R)
• M14: 1,502,262 km (0.078 R)
• M15: 1,608,028 km (0.107 R)
• M16: 1,689,858 km (0.099 R)
• M17: 1,784,852 km (0.099 R)
• M18: 1,862,045 km (0.112 R)
• M19: 2,040,216 km (0.099 R)
• M20: 2,182,783 km (0.104 R)
• M21: 2,349,883 km (0.076 R)
• M22: 2,435,005 km (0.053 R)
• M23: 2,591,035 km (0.119 R)
• M24: 2,710,265 km (0.089 R)
• M25: 2,872,279 km (0.062 R)
• M26: 2,949,771 km (0.116 R)
• M27: 3,046,710 km (0.086 R)
• M28: 3,172,821 km (0.073 R)
• M29: 3,248,368 km (0.117 R)
• M30: 3,343,812 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.2

Radius: 14.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.71 AU - 0.89 AU

Year: 469 Days

Day: 8 Hours

Environment

Temp: -142 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 55,407,503 km

• M1: 178,021 km (0.114 R)
• M2: 294,558 km (0.088 R)
• M3: 398,529 km (0.108 R)
• M4: 493,374 km (0.091 R)
• M5: 587,172 km (0.057 R)
• M6: 701,464 km (0.05 R)
• M7: 793,018 km (0.117 R)
• M8: 898,934 km (0.112 R)
• M9: 995,424 km (0.087 R)
• M10: 1,168,509 km (0.103 R)
• M11: 1,324,540 km (0.095 R)
• M12: 1,430,904 km (0.104 R)
• M13: 1,534,425 km (0.102 R)
• M14: 1,755,830 km (0.087 R)
• M15: 1,879,996 km (0.111 R)
• M16: 2,085,245 km (0.053 R)
• M17: 2,224,072 km (0.057 R)
• M18: 2,338,664 km (0.078 R)
• M19: 2,462,531 km (0.081 R)
• M20: 2,623,797 km (0.114 R)
• M21: 2,810,645 km (0.113 R)
• M22: 3,152,177 km (0.102 R)
• M23: 3,274,249 km (0.073 R)
• M24: 3,413,375 km (0.028 R)
• M25: 3,681,903 km (0.061 R)
• M26: 3,810,707 km (0.113 R)
• M27: 3,990,224 km (0.07 R)
• M28: 4,139,373 km (0.072 R)
• M29: 4,256,508 km (0.113 R)
• M30: 4,400,421 km (0.104 R)
• M31: 4,632,448 km (0.063 R)
• M32: 4,780,550 km (0.062 R)
• M33: 4,939,123 km (0.099 R)
• M34: 5,207,502 km (0.08 R)
• M35: 5,352,462 km (0.089 R)
• M36: 5,452,992 km (0.089 R)
• M37: 5,600,495 km (0.081 R)
• M38: 5,814,720 km (0.095 R)
• M39: 6,107,782 km (0.101 R)
• M40: 6,203,375 km (0.094 R)
• M41: 6,299,417 km (0.071 R)
• M42: 6,532,041 km (0.106 R)
• M43: 6,718,291 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566

Radius: 12.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.74 AU - 1.14 AU

Year: 598 Days

Day: 12 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 55,407,503 km

• M1: 183,856 km (0.079 R)
• M2: 271,670 km (0.052 R)
• M3: 382,522 km (0.107 R)
• M4: 542,891 km (0.107 R)
• M5: 686,205 km (0.096 R)
• M6: 783,893 km (0.093 R)
• M7: 867,817 km (0.113 R)
• M8: 955,033 km (0.077 R)
• M9: 1,076,656 km (0.042 R)
• M10: 1,203,964 km (0.029 R)
• M11: 1,721,423 km (0.117 R)
• M12: 1,802,654 km (0.031 R)
• M13: 1,982,172 km (0.085 R)
• M14: 2,194,750 km (0.072 R)
• M15: 2,290,194 km (0.104 R)
• M16: 2,471,357 km (0.091 R)
• M17: 2,700,840 km (0.092 R)
• M18: 2,825,754 km (0.098 R)
• M19: 2,982,682 km (0.071 R)
• M20: 3,089,046 km (0.069 R)
• M21: 3,219,795 km (0.048 R)
• M22: 3,376,274 km (0.114 R)
• M23: 3,737,254 km (0.088 R)
• M24: 3,835,839 km (0.103 R)
• M25: 3,976,760 km (0.083 R)
• M26: 4,128,004 km (0.104 R)
• M27: 4,212,826 km (0.091 R)
• M28: 4,514,415 km (0.109 R)
• M29: 4,654,588 km (0.094 R)
• M30: 4,787,431 km (0.067 R)
• M31: 4,993,577 km (0.104 R)
• M32: 5,075,108 km (0.086 R)
• M33: 5,535,869 km (0.06 R)
• M34: 5,676,790 km (0.112 R)
• M35: 5,962,373 km (0.09 R)
• M36: 6,106,884 km (0.118 R)
• M37: 6,232,995 km (0.104 R)
• M38: 6,379,751 km (0.093 R)
• M39: 6,587,093 km (0.075 R)
• M40: 6,686,726 km (0.098 R)
• M41: 6,786,657 km (0.096 R)

Asteroid Belt

Center: 2.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.4

Radius: 11.1

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.08 AU - 4.92 AU

Year: 5248 Days

Day: 14.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 55,407,503 km

• M1: 140,921 km (0.115 R)
• M2: 388,954 km (0.038 R)
• M3: 470,037 km (0.096 R)
• M4: 741,557 km (0.077 R)
• M5: 1,032,525 km (0.036 R)
• M6: 1,199,625 km (0.05 R)
• M7: 1,294,620 km (0.088 R)
• M8: 1,974,542 km (0.032 R)
• M9: 2,088,237 km (0.088 R)
• M10: 2,503,221 km (0.054 R)
• M11: 3,318,829 km (0.115 R)
• M12: 3,569,555 km (0.1 R)
• M13: 3,826,564 km (0.105 R)
• M14: 4,211,330 km (0.09 R)
• M15: 4,358,833 km (0.084 R)
• M16: 4,483,149 km (0.07 R)
• M17: 4,966,051 km (0.102 R)
• M18: 5,043,842 km (0.114 R)
• M19: 5,122,081 km (0.088 R)
• M20: 5,599,897 km (0.116 R)
• M21: 5,981,521 km (0.117 R)
• M22: 6,315,424 km (0.111 R)
• M23: 6,569,890 km (0.095 R)
• M24: 6,798,774 km (0.034 R)
• M25: 6,943,286 km (0.069 R)
• M26: 7,030,502 km (0.082 R)
• M27: 7,471,965 km (0.095 R)
• M28: 7,922,404 km (0.115 R)
• M29: 8,350,852 km (0.052 R)
• M30: 8,474,719 km (0.095 R)
• M31: 8,818,346 km (0.106 R)
• M32: 9,102,881 km (0.032 R)
• M33: 10,172,206 km (0.111 R)
• M34: 10,304,451 km (0.104 R)
• M35: 10,504,014 km (0.065 R)
• M36: 11,008,608 km (0.11 R)
• M37: 11,555,388 km (0.082 R)
• M38: 11,728,174 km (0.066 R)
• M39: 12,111,144 km (0.076 R)
• M40: 12,181,306 km (0.092 R)
• M41: 12,498,304 km (0.086 R)
• M42: 12,818,144 km (0.112 R)
• M43: 13,140,677 km (0.098 R)
• M44: 14,050,531 km (0.076 R)
• M45: 14,124,283 km (0.11 R)
• M46: 14,868,084 km (0.064 R)
• M47: 15,701,045 km (0.109 R)
• M48: 16,665,951 km (0.105 R)
• M49: 16,978,760 km (0.119 R)
• M50: 17,175,332 km (0.093 R)
• M51: 17,333,008 km (0.095 R)
• M52: 18,652,760 km (0.103 R)
• M53: 18,774,383 km (0.081 R)
• M54: 20,046,264 km (0.056 R)
• M55: 20,129,141 km (0.106 R)
• M56: 20,504,183 km (0.033 R)
• M57: 20,713,471 km (0.11 R)
• M58: 21,260,999 km (0.029 R)
• M59: 21,472,830 km (0.105 R)
• M60: 21,855,950 km (0.102 R)
• M61: 22,284,398 km (0.114 R)
• M62: 23,236,439 km (0.056 R)
• M63: 23,323,654 km (0.091 R)
• M64: 24,334,637 km (0.057 R)
• M65: 24,956,814 km (0.058 R)
• M66: 25,764,643 km (0.111 R)
• M67: 25,990,536 km (0.064 R)
• M68: 26,398,938 km (0.069 R)
• M69: 26,626,626 km (0.114 R)
• M70: 28,006,965 km (0.095 R)
• M71: 30,501,809 km (0.112 R)
• M72: 30,597,252 km (0.094 R)
• M73: 30,740,717 km (0.106 R)
• M74: 30,884,480 km (0.096 R)
• M75: 31,316,968 km (0.091 R)
• M76: 31,751,400 km (0.114 R)
• M77: 32,236,546 km (0.119 R)
• M78: 32,528,860 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.6

Radius: 8.3

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.72 AU - 4.34 AU

Year: 5307 Days

Day: 5.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,407,503 km

• M1: 140,772 km (0.085 R)
• M2: 393,592 km (0.109 R)
• M3: 500,554 km (0.074 R)
• M4: 686,953 km (0.107 R)
• M5: 867,817 km (0.12 R)
• M6: 1,019,210 km (0.076 R)
• M7: 1,125,126 km (0.116 R)
• M8: 1,364,781 km (0.094 R)
• M9: 1,456,634 km (0.111 R)
• M10: 1,727,257 km (0.079 R)
• M11: 1,873,115 km (0.083 R)
• M12: 2,186,971 km (0.109 R)
• M13: 2,767,860 km (0.051 R)
• M14: 2,993,603 km (0.07 R)
• M15: 3,103,258 km (0.075 R)
• M16: 3,440,153 km (0.078 R)
• M17: 3,508,968 km (0.047 R)
• M18: 3,824,170 km (0.114 R)
• M19: 4,901,425 km (0.086 R)
• M20: 4,966,051 km (0.093 R)
• M21: 5,319,999 km (0.119 R)
• M22: 5,560,553 km (0.099 R)
• M23: 5,997,079 km (0.094 R)
• M24: 6,572,433 km (0.114 R)
• M25: 6,787,405 km (0.087 R)
• M26: 6,845,000 km (0.116 R)
• M27: 7,004,621 km (0.063 R)
• M28: 7,062,964 km (0.108 R)
• M29: 7,238,891 km (0.106 R)
• M30: 7,490,515 km (0.094 R)
• M31: 8,155,478 km (0.091 R)
• M32: 9,380,235 km (0.025 R)
• M33: 10,046,694 km (0.031 R)
• M34: 10,644,636 km (0.075 R)
• M35: 11,100,611 km (0.071 R)
• M36: 11,253,949 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.2

Radius: 7.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.62 AU - 8.88 AU

Year: 14153 Days

Day: 18.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 148.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 55,407,503 km

• M1: 111,151 km (0.112 R)
• M2: 289,322 km (0.039 R)
• M3: 672,293 km (0.056 R)
• M4: 917,185 km (0.071 R)
• M5: 1,106,575 km (0.098 R)
• M6: 1,468,004 km (0.117 R)
• M7: 1,652,608 km (0.087 R)
• M8: 1,983,817 km (0.05 R)
• M9: 2,044,405 km (0.06 R)
• M10: 2,146,879 km (0.106 R)
• M11: 2,662,094 km (0.104 R)
• M12: 3,776,598 km (0.032 R)
• M13: 4,316,198 km (0.092 R)
• M14: 5,987,206 km (0.07 R)
• M15: 6,134,560 km (0.085 R)
• M16: 6,343,099 km (0.115 R)
• M17: 6,675,356 km (0.117 R)
• M18: 6,797,578 km (0.115 R)
• M19: 6,982,331 km (0.104 R)
• M20: 7,673,922 km (0.086 R)
• M21: 8,387,354 km (0.086 R)
• M22: 9,054,112 km (0.092 R)
• M23: 9,189,498 km (0.112 R)
• M24: 10,473,646 km (0.097 R)
• M25: 10,758,630 km (0.114 R)
• M26: 11,190,968 km (0.068 R)
• M27: 11,776,195 km (0.047 R)
• M28: 12,072,548 km (0.088 R)
• M29: 12,221,548 km (0.049 R)
• M30: 12,710,433 km (0.106 R)
• M31: 12,824,128 km (0.081 R)
• M32: 13,359,239 km (0.115 R)
• M33: 13,590,817 km (0.109 R)
• M34: 13,784,845 km (0.104 R)
• M35: 14,332,972 km (0.073 R)
• M36: 14,569,935 km (0.03 R)
• M37: 14,768,601 km (0.095 R)
• M38: 14,848,187 km (0.086 R)
• M39: 14,968,015 km (0.034 R)
• M40: 16,512,912 km (0.058 R)
• M41: 17,262,397 km (0.1 R)
• M42: 17,472,433 km (0.093 R)
• M43: 19,270,749 km (0.063 R)
• M44: 20,059,429 km (0.077 R)
• M45: 20,546,520 km (0.091 R)
• M46: 20,858,581 km (0.112 R)
• M47: 21,262,046 km (0.071 R)
• M48: 21,758,561 km (0.049 R)
• M49: 21,985,651 km (0.103 R)
• M50: 22,076,607 km (0.044 R)
• M51: 22,167,861 km (0.102 R)
• M52: 22,533,628 km (0.117 R)
• M53: 22,809,337 km (0.076 R)
• M54: 23,132,468 km (0.066 R)
• M55: 23,317,671 km (0.099 R)
• M56: 23,783,069 km (0.092 R)
• M57: 24,251,610 km (0.098 R)
• M58: 25,675,183 km (0.109 R)
• M59: 25,723,055 km (0.119 R)
• M60: 25,818,947 km (0.061 R)
• M61: 26,011,180 km (0.041 R)
• M62: 26,736,281 km (0.115 R)
• M63: 27,959,393 km (0.115 R)
• M64: 28,404,148 km (0.086 R)
• M65: 29,551,414 km (0.082 R)
• M66: 29,702,059 km (0.071 R)
• M67: 29,752,473 km (0.066 R)
• M68: 30,257,067 km (0.096 R)
• M69: 30,713,789 km (0.103 R)
• M70: 31,531,042 km (0.117 R)
• M71: 33,500,947 km (0.117 R)
• M72: 34,342,286 km (0.114 R)
• M73: 34,606,625 km (0.114 R)
• M74: 35,190,506 km (0.029 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.6

Radius: 3.1

Gravity: 49.59 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.06 AU - 8.98 AU

Year: 14899 Days

Day: 18.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 55,407,503 km

• M1: 40,242 km (0.038 R)
• M2: 85,869 km (0.111 R)
• M3: 140,323 km (0.094 R)
• M4: 532,269 km (0.031 R)
• M5: 772,374 km (0.101 R)
• M6: 1,108,221 km (0.077 R)
• M7: 1,130,661 km (0.088 R)
• M8: 1,221,616 km (0.084 R)
• M9: 1,338,751 km (0.088 R)
• M10: 1,508,695 km (0.11 R)
• M11: 1,895,555 km (0.1 R)
• M12: 2,003,714 km (0.081 R)
• M13: 2,086,142 km (0.094 R)
• M14: 2,369,032 km (0.115 R)
• M15: 2,514,890 km (0.085 R)
• M16: 3,749,521 km (0.097 R)
• M17: 4,091,951 km (0.083 R)
• M18: 4,515,911 km (0.118 R)
• M19: 4,660,422 km (0.105 R)
• M20: 5,791,083 km (0.102 R)
• M21: 6,467,415 km (0.079 R)
• M22: 6,630,178 km (0.033 R)
• M23: 6,671,018 km (0.028 R)
• M24: 7,001,180 km (0.072 R)
• M25: 8,110,598 km (0.046 R)
• M26: 9,182,168 km (0.097 R)
• M27: 9,641,583 km (0.12 R)
• M28: 11,601,764 km (0.113 R)
• M29: 11,651,131 km (0.114 R)
• M30: 11,849,049 km (0.052 R)
• M31: 12,499,949 km (0.074 R)
• M32: 12,651,941 km (0.096 R)
• M33: 12,906,407 km (0.118 R)
• M34: 14,309,336 km (0.105 R)
• M35: 15,001,974 km (0.061 R)
• M36: 15,109,535 km (0.11 R)
• M37: 15,163,390 km (0.048 R)
• M38: 18,972,002 km (0.1 R)
• M39: 19,088,240 km (0.108 R)
• M40: 19,146,433 km (0.093 R)
• M41: 19,321,463 km (0.117 R)
• M42: 19,438,448 km (0.106 R)
• M43: 19,908,784 km (0.044 R)
• M44: 20,026,966 km (0.1 R)
• M45: 20,442,399 km (0.106 R)
• M46: 21,161,068 km (0.095 R)
• M47: 21,281,643 km (0.076 R)
• M48: 21,705,454 km (0.111 R)
• M49: 22,315,814 km (0.056 R)
• M50: 22,561,453 km (0.12 R)
• M51: 22,623,088 km (0.118 R)
• M52: 23,678,201 km (0.034 R)
• M53: 26,417,787 km (0.087 R)
• M54: 26,612,564 km (0.088 R)
• M55: 26,938,388 km (0.097 R)
• M56: 28,653,677 km (0.07 R)
• M57: 29,188,489 km (0.077 R)
• M58: 29,255,509 km (0.093 R)
• M59: 29,389,848 km (0.114 R)
• M60: 30,064,684 km (0.07 R)
• M61: 30,200,220 km (0.042 R)
• M62: 30,403,972 km (0.077 R)
• M63: 32,049,997 km (0.117 R)
• M64: 33,654,435 km (0.086 R)
• M65: 33,795,206 km (0.119 R)
• M66: 34,077,348 km (0.102 R)
• M67: 36,868,246 km (0.042 R)
• M68: 37,013,356 km (0.069 R)
• M69: 37,814,751 km (0.078 R)
• M70: 39,508,798 km (0.045 R)
• M71: 39,954,899 km (0.072 R)
• M72: 40,103,898 km (0.061 R)
• M73: 40,851,887 km (0.107 R)
• M74: 41,001,934 km (0.112 R)
• M75: 41,528,967 km (0.108 R)
• M76: 41,906,702 km (0.069 R)
• M77: 43,352,565 km (0.082 R)
• M78: 43,582,348 km (0.101 R)
• M79: 45,046,911 km (0.039 R)
• M80: 45,435,117 km (0.114 R)
• M81: 46,841,487 km (0.1 R)
• M82: 47,392,157 km (0.045 R)
• M83: 47,707,958 km (0.066 R)
• M84: 48,103,495 km (0.105 R)
• M85: 49,376,722 km (0.085 R)
• M86: 49,937,265 km (0.097 R)
• M87: 50,258,452 km (0.097 R)
• M88: 51,469,147 km (0.12 R)
• M89: 51,631,312 km (0.046 R)
• M90: 52,607,886 km (0.114 R)
• M91: 54,992,776 km (0.114 R)
• M92: 55,075,653 km (0.064 R)
• M93: 55,158,530 km (0.025 R)
• M94: 55,324,434 km (0.105 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 14,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit