🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.52 AU - 0.54 AU

Year: 253 Days

Day: 40.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.48 AU - 0.78 AU

Year: 328 Days

Day: 35.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 15

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.74 AU - 0.88 AU

Year: 478 Days

Day: 14.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,997,268 km

• M1: 188,194 km (0.025 R)
• M2: 283,488 km (0.046 R)
• M3: 403,316 km (0.079 R)
• M4: 569,519 km (0.066 R)
• M5: 740,509 km (0.094 R)
• M6: 857,196 km (0.069 R)
• M7: 1,019,809 km (0.087 R)
• M8: 1,119,590 km (0.112 R)
• M9: 1,214,735 km (0.064 R)
• M10: 1,391,859 km (0.117 R)
• M11: 1,499,719 km (0.086 R)
• M12: 1,605,933 km (0.036 R)
• M13: 1,738,926 km (0.055 R)
• M14: 1,890,767 km (0.098 R)
• M15: 2,016,579 km (0.039 R)
• M16: 2,119,353 km (0.111 R)
• M17: 2,229,307 km (0.103 R)
• M18: 2,335,971 km (0.064 R)
• M19: 2,477,191 km (0.055 R)
• M20: 2,632,474 km (0.037 R)
• M21: 2,762,624 km (0.096 R)
• M22: 2,900,852 km (0.11 R)
• M23: 3,059,276 km (0.085 R)
• M24: 3,178,356 km (0.088 R)
• M25: 3,274,847 km (0.055 R)
• M26: 3,595,435 km (0.113 R)
• M27: 3,715,263 km (0.104 R)
• M28: 3,842,870 km (0.075 R)
• M29: 4,063,078 km (0.113 R)
• M30: 4,161,514 km (0.1 R)
• M31: 4,287,475 km (0.104 R)
• M32: 4,557,050 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.1

Radius: 8.5

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.69 AU - 0.99 AU

Year: 505 Days

Day: 8.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 50,997,268 km

• M1: 109,655 km (0.118 R)
• M2: 284,535 km (0.062 R)
• M3: 365,916 km (0.103 R)
• M4: 487,689 km (0.119 R)
• M5: 560,543 km (0.1 R)
• M6: 646,263 km (0.037 R)
• M7: 699,968 km (0.11 R)
• M8: 760,107 km (0.079 R)
• M9: 941,270 km (0.073 R)
• M10: 1,098,796 km (0.068 R)
• M11: 1,169,706 km (0.051 R)
• M12: 1,304,942 km (0.106 R)
• M13: 1,368,671 km (0.103 R)
• M14: 1,517,670 km (0.116 R)
• M15: 1,572,722 km (0.065 R)
• M16: 1,709,904 km (0.107 R)
• M17: 1,786,498 km (0.089 R)
• M18: 1,857,706 km (0.116 R)
• M19: 1,936,544 km (0.057 R)
• M20: 2,084,048 km (0.119 R)
• M21: 2,200,734 km (0.111 R)
• M22: 2,270,297 km (0.077 R)
• M23: 2,333,577 km (0.11 R)
• M24: 2,440,390 km (0.09 R)
• M25: 2,563,360 km (0.106 R)
• M26: 2,651,473 km (0.086 R)
• M27: 2,755,593 km (0.117 R)
• M28: 2,815,731 km (0.079 R)
• M29: 2,883,948 km (0.113 R)
• M30: 2,998,689 km (0.106 R)
• M31: 3,177,758 km (0.112 R)
• M32: 3,256,746 km (0.112 R)
• M33: 3,328,403 km (0.075 R)
• M34: 3,384,502 km (0.068 R)
• M35: 3,489,520 km (0.082 R)
• M36: 3,579,279 km (0.097 R)
• M37: 3,802,778 km (0.116 R)
• M38: 4,133,838 km (0.057 R)
• M39: 4,456,371 km (0.051 R)
• M40: 4,669,997 km (0.06 R)
• M41: 4,751,079 km (0.036 R)
• M42: 4,996,868 km (0.044 R)
• M43: 5,144,521 km (0.09 R)
• M44: 5,444,166 km (0.077 R)
• M45: 5,567,584 km (0.087 R)
• M46: 5,817,113 km (0.12 R)
• M47: 5,962,822 km (0.115 R)
• M48: 6,031,188 km (0.064 R)
• M49: 6,129,324 km (0.117 R)
• M50: 6,218,035 km (0.059 R)
• M51: 6,587,692 km (0.117 R)
• M52: 6,698,993 km (0.115 R)
• M53: 6,759,879 km (0.063 R)
• M54: 6,841,410 km (0.1 R)
• M55: 6,902,895 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.1

Radius: 8.3

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.72 AU - 1.04 AU

Year: 542 Days

Day: 9.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 50,997,268 km

• M1: 105,766 km (0.088 R)
• M2: 170,691 km (0.092 R)
• M3: 278,252 km (0.096 R)
• M4: 350,358 km (0.083 R)
• M5: 513,420 km (0.117 R)
• M6: 585,077 km (0.117 R)
• M7: 711,338 km (0.083 R)
• M8: 787,633 km (0.117 R)
• M9: 986,000 km (0.096 R)
• M10: 1,050,177 km (0.08 R)
• M11: 1,116,000 km (0.09 R)
• M12: 1,211,743 km (0.055 R)
• M13: 1,460,225 km (0.052 R)
• M14: 1,521,710 km (0.087 R)
• M15: 1,673,252 km (0.029 R)
• M16: 1,770,491 km (0.084 R)
• M17: 1,876,256 km (0.079 R)
• M18: 1,930,112 km (0.089 R)
• M19: 2,206,569 km (0.1 R)
• M20: 2,284,808 km (0.064 R)
• M21: 2,356,914 km (0.092 R)
• M22: 2,555,132 km (0.104 R)
• M23: 2,652,520 km (0.108 R)
• M24: 2,960,093 km (0.112 R)
• M25: 3,022,924 km (0.118 R)
• M26: 3,078,425 km (0.036 R)
• M27: 3,158,161 km (0.074 R)
• M28: 3,434,468 km (0.059 R)
• M29: 3,567,311 km (0.059 R)
• M30: 3,778,244 km (0.097 R)
• M31: 4,019,396 km (0.064 R)
• M32: 4,089,258 km (0.106 R)
• M33: 4,256,658 km (0.11 R)
• M34: 4,310,064 km (0.1 R)
• M35: 4,562,137 km (0.089 R)
• M36: 4,662,367 km (0.074 R)
• M37: 4,754,220 km (0.054 R)
• M38: 4,828,122 km (0.109 R)
• M39: 4,893,197 km (0.116 R)
• M40: 4,977,271 km (0.12 R)
• M41: 5,089,918 km (0.028 R)
• M42: 5,232,186 km (0.099 R)
• M43: 5,337,203 km (0.088 R)
• M44: 5,442,969 km (0.117 R)
• M45: 5,764,604 km (0.107 R)
• M46: 5,883,086 km (0.111 R)
• M47: 6,022,361 km (0.088 R)
• M48: 6,233,294 km (0.105 R)
• M49: 6,324,549 km (0.064 R)
• M50: 6,528,750 km (0.089 R)
• M51: 6,703,929 km (0.076 R)
• M52: 6,755,840 km (0.104 R)
• M53: 6,870,432 km (0.108 R)
• M54: 7,059,224 km (0.049 R)
• M55: 7,164,840 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907

Radius: 8.3

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.77 AU - 1.21 AU

Year: 646 Days

Day: 11.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 50,997,268 km

• M1: 172,786 km (0.043 R)
• M2: 229,334 km (0.116 R)
• M3: 289,173 km (0.115 R)
• M4: 482,154 km (0.053 R)
• M5: 546,481 km (0.119 R)
• M6: 629,059 km (0.114 R)
• M7: 731,982 km (0.1 R)
• M8: 846,425 km (0.046 R)
• M9: 908,957 km (0.032 R)
• M10: 1,026,690 km (0.101 R)
• M11: 1,093,860 km (0.105 R)
• M12: 1,174,942 km (0.069 R)
• M13: 1,323,792 km (0.062 R)
• M14: 1,555,369 km (0.11 R)
• M15: 1,704,817 km (0.061 R)
• M16: 1,785,151 km (0.118 R)
• M17: 1,844,243 km (0.08 R)
• M18: 1,904,231 km (0.1 R)
• M19: 1,987,557 km (0.071 R)
• M20: 2,049,042 km (0.111 R)
• M21: 2,118,904 km (0.089 R)
• M22: 2,261,172 km (0.117 R)
• M23: 2,325,499 km (0.11 R)
• M24: 2,563,509 km (0.044 R)
• M25: 3,197,505 km (0.082 R)
• M26: 3,279,036 km (0.053 R)
• M27: 3,333,789 km (0.113 R)
• M28: 3,546,367 km (0.098 R)
• M29: 3,649,590 km (0.088 R)
• M30: 3,725,286 km (0.099 R)
• M31: 4,043,182 km (0.09 R)
• M32: 4,101,974 km (0.1 R)
• M33: 4,200,559 km (0.118 R)
• M34: 4,319,788 km (0.087 R)
• M35: 4,399,973 km (0.12 R)
• M36: 4,460,560 km (0.116 R)
• M37: 4,602,678 km (0.08 R)
• M38: 4,664,162 km (0.111 R)
• M39: 4,746,441 km (0.065 R)
• M40: 4,798,053 km (0.091 R)
• M41: 5,207,651 km (0.059 R)
• M42: 5,368,320 km (0.103 R)
• M43: 5,716,284 km (0.069 R)
• M44: 5,782,406 km (0.114 R)
• M45: 6,026,849 km (0.102 R)
• M46: 6,184,226 km (0.106 R)
• M47: 6,342,950 km (0.12 R)
• M48: 6,491,500 km (0.074 R)
• M49: 6,874,022 km (0.052 R)
• M50: 7,050,248 km (0.082 R)
• M51: 7,156,762 km (0.052 R)
• M52: 7,588,053 km (0.102 R)
• M53: 7,648,640 km (0.083 R)
• M54: 7,794,647 km (0.119 R)
• M55: 7,929,286 km (0.071 R)
• M56: 8,213,521 km (0.092 R)
• M57: 8,337,987 km (0.11 R)
• M58: 8,450,634 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.3

Radius: 10.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.62 AU - 2 AU

Year: 1597 Days

Day: 12.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 50,997,268 km

• M1: 137,480 km (0.069 R)
• M2: 237,262 km (0.076 R)
• M3: 307,723 km (0.107 R)
• M4: 446,101 km (0.091 R)
• M5: 604,824 km (0.054 R)
• M6: 673,190 km (0.104 R)
• M7: 744,549 km (0.085 R)
• M8: 896,091 km (0.03 R)
• M9: 986,748 km (0.084 R)
• M10: 1,058,255 km (0.099 R)
• M11: 1,236,576 km (0.054 R)
• M12: 1,332,767 km (0.083 R)
• M13: 1,500,766 km (0.109 R)
• M14: 1,597,256 km (0.094 R)
• M15: 1,962,275 km (0.118 R)
• M16: 2,183,830 km (0.108 R)
• M17: 2,466,570 km (0.089 R)
• M18: 2,597,019 km (0.094 R)
• M19: 2,737,641 km (0.092 R)
• M20: 2,808,850 km (0.105 R)
• M21: 2,977,746 km (0.108 R)
• M22: 3,149,933 km (0.113 R)
• M23: 3,350,843 km (0.086 R)
• M24: 3,513,007 km (0.106 R)
• M25: 3,651,534 km (0.117 R)
• M26: 3,783,031 km (0.053 R)
• M27: 3,996,956 km (0.036 R)
• M28: 4,069,062 km (0.115 R)
• M29: 4,141,767 km (0.044 R)
• M30: 4,251,422 km (0.112 R)
• M31: 4,371,549 km (0.093 R)
• M32: 4,501,998 km (0.116 R)
• M33: 4,719,214 km (0.028 R)
• M34: 4,862,828 km (0.025 R)
• M35: 5,312,220 km (0.101 R)
• M36: 5,441,772 km (0.111 R)
• M37: 5,632,809 km (0.03 R)
• M38: 5,764,904 km (0.109 R)
• M39: 5,939,185 km (0.098 R)
• M40: 6,063,202 km (0.119 R)
• M41: 6,198,588 km (0.063 R)
• M42: 6,282,363 km (0.074 R)
• M43: 6,525,609 km (0.074 R)
• M44: 6,632,272 km (0.092 R)
• M45: 6,804,160 km (0.067 R)
• M46: 7,010,156 km (0.105 R)
• M47: 7,163,344 km (0.092 R)
• M48: 7,517,592 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.9

Radius: 6.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.45 AU - 11.29 AU

Year: 21907 Days

Day: 18.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 50,997,268 km

• M1: 147,803 km (0.097 R)
• M2: 372,349 km (0.051 R)
• M3: 616,343 km (0.028 R)
• M4: 847,921 km (0.059 R)
• M5: 944,112 km (0.091 R)
• M6: 1,064,538 km (0.036 R)
• M7: 1,190,051 km (0.079 R)
• M8: 1,320,351 km (0.112 R)
• M9: 1,571,675 km (0.056 R)
• M10: 1,788,592 km (0.118 R)
• M11: 1,862,942 km (0.079 R)
• M12: 2,277,328 km (0.1 R)
• M13: 2,578,319 km (0.099 R)
• M14: 2,834,132 km (0.069 R)
• M15: 3,009,311 km (0.038 R)
• M16: 3,127,942 km (0.108 R)
• M17: 3,936,818 km (0.062 R)
• M18: 4,001,593 km (0.065 R)
• M19: 4,600,883 km (0.101 R)
• M20: 6,369,129 km (0.115 R)
• M21: 6,948,223 km (0.096 R)
• M22: 7,423,495 km (0.048 R)
• M23: 7,544,071 km (0.056 R)
• M24: 7,991,369 km (0.098 R)
• M25: 8,114,787 km (0.101 R)
• M26: 8,405,456 km (0.103 R)
• M27: 10,086,188 km (0.086 R)
• M28: 10,264,359 km (0.115 R)
• M29: 10,443,577 km (0.084 R)
• M30: 12,961,758 km (0.116 R)
• M31: 13,058,548 km (0.109 R)
• M32: 13,398,883 km (0.062 R)
• M33: 13,742,360 km (0.12 R)
• M34: 13,840,945 km (0.117 R)
• M35: 14,138,345 km (0.03 R)
• M36: 14,941,387 km (0.072 R)
• M37: 14,992,100 km (0.111 R)
• M38: 15,553,541 km (0.118 R)
• M39: 16,225,834 km (0.106 R)
• M40: 16,749,426 km (0.119 R)
• M41: 16,802,085 km (0.071 R)
• M42: 16,960,359 km (0.091 R)
• M43: 17,545,137 km (0.107 R)
• M44: 18,461,873 km (0.085 R)
• M45: 18,516,327 km (0.03 R)
• M46: 19,560,221 km (0.105 R)
• M47: 19,782,374 km (0.063 R)
• M48: 20,453,918 km (0.116 R)
• M49: 20,679,512 km (0.081 R)
• M50: 21,589,815 km (0.098 R)
• M51: 22,107,723 km (0.085 R)
• M52: 22,281,107 km (0.111 R)
• M53: 22,397,045 km (0.11 R)
• M54: 22,687,863 km (0.11 R)
• M55: 23,038,371 km (0.112 R)
• M56: 23,096,864 km (0.11 R)
• M57: 23,214,149 km (0.103 R)
• M58: 23,508,408 km (0.082 R)
• M59: 24,458,055 km (0.101 R)
• M60: 24,757,400 km (0.114 R)
• M61: 24,937,666 km (0.049 R)
• M62: 24,997,804 km (0.116 R)
• M63: 25,299,394 km (0.081 R)
• M64: 25,662,767 km (0.112 R)
• M65: 25,845,127 km (0.075 R)
• M66: 26,640,389 km (0.087 R)
• M67: 26,948,411 km (0.111 R)
• M68: 28,757,947 km (0.102 R)
• M69: 29,772,968 km (0.105 R)
• M70: 31,447,268 km (0.094 R)
• M71: 31,642,493 km (0.11 R)
• M72: 34,015,564 km (0.065 R)
• M73: 34,282,746 km (0.112 R)
• M74: 34,349,765 km (0.065 R)
• M75: 36,036,481 km (0.077 R)
• M76: 38,096,145 km (0.078 R)
• M77: 38,721,314 km (0.088 R)
• M78: 39,420,086 km (0.095 R)
• M79: 39,982,125 km (0.109 R)
• M80: 40,475,948 km (0.106 R)
• M81: 40,900,955 km (0.105 R)
• M82: 41,898,324 km (0.114 R)
• M83: 43,554,074 km (0.106 R)
• M84: 43,844,144 km (0.057 R)
• M85: 45,304,518 km (0.068 R)
• M86: 45,819,434 km (0.098 R)
• M87: 45,966,788 km (0.089 R)
• M88: 46,040,689 km (0.108 R)
• M89: 46,336,145 km (0.108 R)
• M90: 46,410,196 km (0.104 R)
• M91: 47,673,999 km (0.079 R)
• M92: 49,855,884 km (0.087 R)
• M93: 50,768,281 km (0.12 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: 256 - 17,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit