🌌 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: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.56 AU - 0.72 AU

Year: 326 Days

Day: 46.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,410,634 km

• M1: 687,402 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.64 AU - 0.68 AU

Year: 341 Days

Day: 20.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 13.9

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.85 AU - 0.89 AU

Year: 516 Days

Day: 10.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 18,410,634 km

• M1: 176,077 km (0.057 R)
• M2: 289,621 km (0.111 R)
• M3: 459,116 km (0.065 R)
• M4: 665,411 km (0.115 R)
• M5: 752,328 km (0.111 R)
• M6: 872,604 km (0.038 R)
• M7: 982,708 km (0.098 R)
• M8: 1,116,299 km (0.089 R)
• M9: 1,232,686 km (0.045 R)
• M10: 1,333,815 km (0.105 R)
• M11: 1,432,998 km (0.093 R)
• M12: 1,524,701 km (0.05 R)
• M13: 1,671,307 km (0.073 R)
• M14: 1,779,018 km (0.112 R)
• M15: 2,151,965 km (0.076 R)
• M16: 2,252,046 km (0.101 R)
• M17: 2,420,643 km (0.111 R)
• M18: 2,568,446 km (0.113 R)
• M19: 2,662,543 km (0.117 R)
• M20: 2,834,730 km (0.119 R)
• M21: 3,030,554 km (0.056 R)
• M22: 3,136,918 km (0.096 R)
• M23: 3,231,015 km (0.114 R)
• M24: 3,326,159 km (0.072 R)
• M25: 3,533,053 km (0.089 R)
• M26: 3,737,254 km (0.072 R)
• M27: 3,858,877 km (0.105 R)
• M28: 3,967,186 km (0.029 R)
• M29: 4,069,212 km (0.108 R)
• M30: 4,224,045 km (0.102 R)
• M31: 4,433,632 km (0.089 R)
• M32: 4,623,621 km (0.105 R)
• M33: 4,715,774 km (0.03 R)
• M34: 4,878,686 km (0.095 R)
• M35: 5,035,464 km (0.114 R)
• M36: 5,346,179 km (0.115 R)
• M37: 5,630,565 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.3

Radius: 12

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.84 AU - 0.92 AU

Year: 525 Days

Day: 11.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,410,634 km

• M1: 149,747 km (0.117 R)
• M2: 228,735 km (0.045 R)
• M3: 309,518 km (0.075 R)
• M4: 421,268 km (0.069 R)
• M5: 539,600 km (0.091 R)
• M6: 617,241 km (0.078 R)
• M7: 751,281 km (0.054 R)
• M8: 907,311 km (0.108 R)
• M9: 1,250,339 km (0.112 R)
• M10: 1,472,941 km (0.114 R)
• M11: 1,633,459 km (0.115 R)
• M12: 1,825,992 km (0.118 R)
• M13: 1,945,820 km (0.047 R)
• M14: 2,053,081 km (0.094 R)
• M15: 2,229,607 km (0.109 R)
• M16: 2,378,606 km (0.09 R)
• M17: 2,530,897 km (0.082 R)
• M18: 2,631,576 km (0.037 R)
• M19: 2,802,267 km (0.108 R)
• M20: 3,029,955 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.3

Radius: 14.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.69 AU - 1.69 AU

Year: 1397 Days

Day: 10.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 18,410,634 km

• M1: 181,313 km (0.077 R)
• M2: 345,421 km (0.099 R)
• M3: 618,587 km (0.117 R)
• M4: 750,084 km (0.078 R)
• M5: 886,068 km (0.04 R)
• M6: 995,873 km (0.113 R)
• M7: 1,170,304 km (0.055 R)
• M8: 1,261,559 km (0.102 R)
• M9: 1,363,585 km (0.082 R)
• M10: 1,635,703 km (0.119 R)
• M11: 1,765,404 km (0.115 R)
• M12: 2,026,602 km (0.071 R)
• M13: 2,185,774 km (0.095 R)
• M14: 2,310,390 km (0.104 R)
• M15: 2,516,835 km (0.073 R)
• M16: 2,627,537 km (0.112 R)
• M17: 2,843,556 km (0.067 R)
• M18: 2,969,667 km (0.098 R)
• M19: 3,249,565 km (0.077 R)
• M20: 3,459,750 km (0.082 R)
• M21: 3,640,165 km (0.084 R)
• M22: 3,731,719 km (0.096 R)
• M23: 4,224,644 km (0.078 R)
• M24: 4,393,540 km (0.112 R)
• M25: 4,639,030 km (0.097 R)
• M26: 4,801,044 km (0.096 R)
• M27: 4,990,286 km (0.105 R)
• M28: 5,376,248 km (0.116 R)
• M29: 5,520,311 km (0.112 R)
• M30: 5,625,927 km (0.086 R)
• M31: 5,825,640 km (0.105 R)
• M32: 6,397,703 km (0.105 R)
• M33: 6,536,529 km (0.083 R)
• M34: 6,648,429 km (0.085 R)
• M35: 7,002,078 km (0.099 R)
• M36: 7,145,243 km (0.079 R)
• M37: 7,347,350 km (0.101 R)
• M38: 7,507,569 km (0.104 R)
• M39: 8,069,908 km (0.12 R)
• M40: 8,220,253 km (0.077 R)
• M41: 8,615,341 km (0.069 R)
• M42: 9,032,271 km (0.112 R)
• M43: 9,204,009 km (0.075 R)
• M44: 9,313,963 km (0.104 R)
• M45: 9,789,834 km (0.11 R)
• M46: 9,966,360 km (0.119 R)
• M47: 10,063,150 km (0.063 R)
• M48: 10,502,369 km (0.102 R)
• M49: 10,782,117 km (0.105 R)
• M50: 10,981,082 km (0.114 R)
• M51: 11,097,768 km (0.083 R)
• M52: 11,349,093 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.3

Radius: 13.3

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.05 AU - 2.71 AU

Year: 2335 Days

Day: 6.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 18,410,634 km

• M1: 168,148 km (0.108 R)
• M2: 390,151 km (0.071 R)
• M3: 581,786 km (0.068 R)
• M4: 809,324 km (0.074 R)
• M5: 912,697 km (0.062 R)
• M6: 1,332,917 km (0.085 R)
• M7: 1,479,224 km (0.119 R)
• M8: 1,799,962 km (0.108 R)
• M9: 1,951,055 km (0.033 R)
• M10: 2,106,637 km (0.057 R)
• M11: 2,192,207 km (0.116 R)
• M12: 2,354,371 km (0.092 R)
• M13: 2,507,560 km (0.046 R)
• M14: 2,946,480 km (0.09 R)
• M15: 3,238,644 km (0.118 R)
• M16: 3,352,488 km (0.055 R)
• M17: 3,511,212 km (0.113 R)
• M18: 3,657,668 km (0.079 R)
• M19: 3,806,368 km (0.107 R)
• M20: 4,002,641 km (0.074 R)
• M21: 4,500,054 km (0.11 R)
• M22: 4,820,941 km (0.067 R)
• M23: 4,984,302 km (0.078 R)
• M24: 5,232,934 km (0.041 R)
• M25: 5,759,518 km (0.096 R)
• M26: 5,898,195 km (0.095 R)
• M27: 6,073,075 km (0.076 R)
• M28: 6,500,027 km (0.117 R)
• M29: 6,699,142 km (0.114 R)
• M30: 6,881,801 km (0.103 R)
• M31: 7,066,106 km (0.116 R)
• M32: 7,458,501 km (0.066 R)
• M33: 7,705,188 km (0.058 R)
• M34: 8,051,058 km (0.094 R)
• M35: 8,245,386 km (0.112 R)
• M36: 8,362,820 km (0.04 R)
• M37: 8,500,450 km (0.056 R)
• M38: 8,698,368 km (0.073 R)
• M39: 8,798,000 km (0.052 R)
• M40: 8,958,070 km (0.071 R)
• M41: 9,078,796 km (0.099 R)
• M42: 9,301,547 km (0.026 R)
• M43: 9,690,651 km (0.101 R)
• M44: 10,084,991 km (0.111 R)
• M45: 10,527,053 km (0.086 R)
• M46: 11,539,531 km (0.092 R)
• M47: 12,224,240 km (0.101 R)
• M48: 12,403,159 km (0.109 R)
• M49: 12,560,387 km (0.032 R)
• M50: 12,740,802 km (0.107 R)
• M51: 12,922,264 km (0.092 R)
• M52: 13,081,586 km (0.08 R)
• M53: 13,818,655 km (0.1 R)
• M54: 14,075,215 km (0.074 R)
• M55: 14,356,908 km (0.093 R)
• M56: 14,640,396 km (0.064 R)
• M57: 15,093,079 km (0.056 R)
• M58: 15,333,183 km (0.039 R)
• M59: 15,477,844 km (0.115 R)
• M60: 15,817,282 km (0.077 R)
• M61: 16,429,437 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.9

Radius: 9.3

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.52 AU - 3.86 AU

Year: 3623 Days

Day: 6.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 18,410,634 km

• M1: 126,709 km (0.101 R)
• M2: 221,854 km (0.063 R)
• M3: 344,225 km (0.1 R)
• M4: 450,140 km (0.076 R)
• M5: 530,923 km (0.042 R)
• M6: 730,038 km (0.091 R)
• M7: 872,754 km (0.12 R)
• M8: 953,686 km (0.08 R)
• M9: 1,123,330 km (0.037 R)
• M10: 1,212,042 km (0.083 R)
• M11: 1,520,513 km (0.067 R)
• M12: 1,662,332 km (0.106 R)
• M13: 1,838,408 km (0.057 R)
• M14: 2,036,177 km (0.113 R)
• M15: 2,098,409 km (0.096 R)
• M16: 2,535,834 km (0.115 R)
• M17: 2,877,964 km (0.082 R)
• M18: 3,090,393 km (0.05 R)
• M19: 3,381,660 km (0.107 R)
• M20: 3,455,860 km (0.069 R)
• M21: 3,643,905 km (0.097 R)
• M22: 4,010,420 km (0.108 R)
• M23: 4,531,020 km (0.069 R)
• M24: 4,654,289 km (0.106 R)
• M25: 4,716,222 km (0.12 R)
• M26: 4,883,024 km (0.105 R)
• M27: 5,030,528 km (0.103 R)
• M28: 5,158,284 km (0.037 R)
• M29: 5,222,462 km (0.088 R)
• M30: 5,701,773 km (0.111 R)
• M31: 5,834,915 km (0.072 R)
• M32: 5,991,544 km (0.102 R)
• M33: 6,748,958 km (0.116 R)
• M34: 7,079,420 km (0.108 R)
• M35: 7,391,032 km (0.101 R)
• M36: 7,560,676 km (0.03 R)
• M37: 7,756,201 km (0.093 R)
• M38: 7,953,371 km (0.068 R)
• M39: 8,758,656 km (0.083 R)
• M40: 9,248,888 km (0.106 R)
• M41: 9,484,355 km (0.088 R)
• M42: 9,668,810 km (0.116 R)
• M43: 10,229,353 km (0.1 R)
• M44: 10,364,440 km (0.092 R)
• M45: 10,663,635 km (0.106 R)
• M46: 11,298,230 km (0.091 R)
• M47: 11,747,023 km (0.117 R)
• M48: 12,431,134 km (0.093 R)
• M49: 12,517,602 km (0.11 R)
• M50: 13,128,111 km (0.085 R)
• M51: 13,688,953 km (0.096 R)
• M52: 13,778,263 km (0.071 R)
• M53: 13,987,251 km (0.102 R)
• M54: 14,107,229 km (0.115 R)
• M55: 15,325,255 km (0.118 R)
• M56: 15,417,856 km (0.087 R)
• M57: 15,572,839 km (0.114 R)
• M58: 15,759,388 km (0.039 R)
• M59: 15,884,302 km (0.08 R)
• M60: 16,608,356 km (0.09 R)
• M61: 17,407,507 km (0.045 R)
• M62: 17,504,297 km (0.116 R)
• M63: 17,730,788 km (0.095 R)
• M64: 18,284,749 km (0.034 R)
• M65: 18,383,185 km (0.119 R)
• M66: 19,010,149 km (0.044 R)
• M67: 19,242,924 km (0.092 R)
• M68: 19,812,293 km (0.034 R)
• M69: 19,879,612 km (0.118 R)
• M70: 20,048,209 km (0.115 R)
• M71: 20,557,141 km (0.077 R)
• M72: 20,659,466 km (0.111 R)
• M73: 20,727,683 km (0.116 R)
• M74: 22,109,219 km (0.047 R)
• M75: 23,449,167 km (0.067 R)
• M76: 23,591,734 km (0.032 R)
• M77: 23,913,519 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.1

Radius: 9.1

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.64 AU - 5.06 AU

Year: 5769 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 18,410,634 km

• M1: 118,482 km (0.053 R)
• M2: 655,239 km (0.109 R)
• M3: 730,786 km (0.112 R)
• M4: 822,938 km (0.043 R)
• M5: 1,034,469 km (0.061 R)
• M6: 1,232,088 km (0.079 R)
• M7: 1,311,375 km (0.102 R)
• M8: 1,508,994 km (0.108 R)
• M9: 1,716,486 km (0.099 R)
• M10: 1,859,950 km (0.113 R)
• M11: 2,026,303 km (0.093 R)
• M12: 2,393,416 km (0.073 R)
• M13: 2,453,405 km (0.072 R)
• M14: 2,574,729 km (0.086 R)
• M15: 2,677,503 km (0.116 R)
• M16: 2,802,567 km (0.106 R)
• M17: 2,865,846 km (0.102 R)
• M18: 3,058,528 km (0.109 R)
• M19: 3,322,270 km (0.104 R)
• M20: 3,731,569 km (0.117 R)
• M21: 3,895,229 km (0.118 R)
• M22: 3,965,989 km (0.104 R)
• M23: 4,109,005 km (0.118 R)
• M24: 4,723,104 km (0.076 R)
• M25: 4,951,241 km (0.102 R)
• M26: 5,105,476 km (0.091 R)
• M27: 6,422,685 km (0.067 R)
• M28: 6,534,734 km (0.098 R)
• M29: 6,647,381 km (0.046 R)
• M30: 6,732,353 km (0.055 R)
• M31: 6,960,490 km (0.078 R)
• M32: 7,454,013 km (0.092 R)
• M33: 7,630,838 km (0.114 R)
• M34: 8,628,506 km (0.119 R)
• M35: 8,752,223 km (0.1 R)
• M36: 9,095,401 km (0.119 R)
• M37: 9,221,362 km (0.107 R)
• M38: 9,474,931 km (0.114 R)
• M39: 10,021,412 km (0.07 R)
• M40: 10,151,562 km (0.065 R)
• M41: 10,314,923 km (0.12 R)
• M42: 11,212,360 km (0.088 R)
• M43: 11,858,773 km (0.066 R)
• M44: 11,996,403 km (0.073 R)
• M45: 13,330,367 km (0.118 R)
• M46: 13,617,146 km (0.118 R)
• M47: 13,725,156 km (0.075 R)
• M48: 14,416,298 km (0.089 R)
• M49: 15,007,060 km (0.113 R)
• M50: 15,230,709 km (0.095 R)
• M51: 16,633,787 km (0.034 R)
• M52: 16,942,557 km (0.104 R)
• M53: 17,214,377 km (0.113 R)
• M54: 17,448,497 km (0.103 R)
• M55: 18,554,774 km (0.072 R)
• M56: 18,875,063 km (0.065 R)
• M57: 18,955,397 km (0.095 R)
• M58: 19,116,364 km (0.1 R)
• M59: 19,237,538 km (0.103 R)
• M60: 19,399,403 km (0.107 R)
• M61: 20,133,181 km (0.104 R)
• M62: 20,710,329 km (0.084 R)
• M63: 21,796,410 km (0.086 R)
• M64: 22,176,688 km (0.092 R)
• M65: 23,546,555 km (0.119 R)
• M66: 23,849,790 km (0.065 R)
• M67: 23,936,706 km (0.098 R)
• M68: 24,591,796 km (0.117 R)
• M69: 24,899,518 km (0.057 R)
• M70: 25,075,894 km (0.053 R)
• M71: 25,208,438 km (0.113 R)
• M72: 26,187,855 km (0.069 R)
• M73: 26,547,189 km (0.104 R)
• M74: 26,817,662 km (0.088 R)
• M75: 27,588,989 km (0.104 R)
• M76: 27,954,606 km (0.077 R)
• M77: 29,200,008 km (0.106 R)
• M78: 29,339,583 km (0.088 R)
• M79: 29,619,182 km (0.109 R)
• M80: 30,793,974 km (0.109 R)
• M81: 31,649,374 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.3

Radius: 4.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.86 AU - 6.34 AU

Year: 9579 Days

Day: 16.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 18,410,634 km

• M1: 95,593 km (0.048 R)
• M2: 334,950 km (0.12 R)
• M3: 545,733 km (0.102 R)
• M4: 630,106 km (0.082 R)
• M5: 691,741 km (0.109 R)
• M6: 1,299,706 km (0.083 R)
• M7: 1,402,031 km (0.082 R)
• M8: 1,761,814 km (0.084 R)
• M9: 2,056,372 km (0.096 R)
• M10: 2,149,123 km (0.069 R)
• M11: 2,270,447 km (0.082 R)
• M12: 2,533,739 km (0.083 R)
• M13: 3,134,524 km (0.083 R)
• M14: 3,584,963 km (0.093 R)
• M15: 3,648,692 km (0.082 R)
• M16: 4,510,974 km (0.115 R)
• M17: 4,545,382 km (0.117 R)
• M18: 5,125,223 km (0.111 R)
• M19: 5,784,052 km (0.057 R)
• M20: 5,877,700 km (0.08 R)
• M21: 6,372,570 km (0.12 R)
• M22: 6,527,404 km (0.083 R)
• M23: 6,841,111 km (0.086 R)
• M24: 6,979,788 km (0.093 R)
• M25: 7,179,651 km (0.096 R)
• M26: 7,280,330 km (0.071 R)
• M27: 7,340,917 km (0.102 R)
• M28: 7,667,040 km (0.046 R)
• M29: 7,893,831 km (0.082 R)
• M30: 8,291,013 km (0.099 R)
• M31: 8,737,413 km (0.092 R)
• M32: 8,952,834 km (0.073 R)
• M33: 9,148,209 km (0.056 R)
• M34: 9,609,419 km (0.057 R)
• M35: 9,697,981 km (0.096 R)
• M36: 9,876,302 km (0.093 R)
• M37: 10,190,757 km (0.032 R)
• M38: 10,485,764 km (0.029 R)
• M39: 10,921,991 km (0.046 R)
• M40: 11,200,542 km (0.057 R)
• M41: 11,270,554 km (0.025 R)
• M42: 11,883,307 km (0.11 R)
• M43: 12,265,829 km (0.096 R)
• M44: 13,264,095 km (0.107 R)
• M45: 13,362,979 km (0.113 R)
• M46: 13,735,628 km (0.095 R)
• M47: 14,011,037 km (0.055 R)
• M48: 14,086,435 km (0.112 R)
• M49: 14,364,238 km (0.103 R)
• M50: 14,848,337 km (0.031 R)
• M51: 14,976,542 km (0.093 R)
• M52: 16,730,577 km (0.076 R)
• M53: 16,890,796 km (0.049 R)
• M54: 17,185,953 km (0.077 R)
• M55: 17,509,683 km (0.103 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: 238 - 18,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit