🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.94 AU - 1.06 AU

Year: 419 Days

Day: 42 Hours

Environment

Temp: -38 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.17 AU - 1.47 AU

Year: 635 Days

Day: 43.5 Hours

Environment

Temp: -66 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.65 AU - 1.87 AU

Year: 978 Days

Day: 47.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.51 AU - 2.31 AU

Year: 1106 Days

Day: 23 Hours

Environment

Temp: -107 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,698,001 km

• M1: 820,993 km (0.113 R)
• M2: 1,263,803 km (0.068 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.89 AU - 2.01 AU

Year: 1141 Days

Day: 44 Hours

Environment

Temp: -99 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.2

Radius: 15

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.97 AU - 3.31 AU

Year: 2331 Days

Day: 6.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 86,698,001 km

• M1: 199,264 km (0.102 R)
• M2: 358,885 km (0.077 R)
• M3: 457,769 km (0.108 R)
• M4: 570,566 km (0.048 R)
• M5: 717,771 km (0.113 R)
• M6: 1,235,529 km (0.117 R)
• M7: 1,339,051 km (0.077 R)
• M8: 1,445,714 km (0.091 R)
• M9: 1,555,369 km (0.044 R)
• M10: 1,699,432 km (0.09 R)
• M11: 2,125,038 km (0.115 R)
• M12: 2,251,298 km (0.086 R)
• M13: 2,380,252 km (0.059 R)
• M14: 2,621,104 km (0.097 R)
• M15: 2,732,256 km (0.116 R)
• M16: 2,832,486 km (0.075 R)
• M17: 2,997,941 km (0.109 R)
• M18: 3,405,745 km (0.085 R)
• M19: 3,887,899 km (0.073 R)
• M20: 4,231,077 km (0.099 R)
• M21: 4,554,657 km (0.108 R)
• M22: 4,659,226 km (0.087 R)
• M23: 4,764,692 km (0.059 R)
• M24: 4,947,501 km (0.049 R)
• M25: 5,241,610 km (0.073 R)
• M26: 5,782,257 km (0.07 R)
• M27: 6,208,012 km (0.081 R)
• M28: 6,408,025 km (0.12 R)
• M29: 6,627,036 km (0.083 R)
• M30: 6,729,062 km (0.093 R)
• M31: 6,917,406 km (0.104 R)
• M32: 7,159,604 km (0.117 R)
• M33: 7,475,106 km (0.093 R)
• M34: 7,599,123 km (0.033 R)
• M35: 8,102,071 km (0.116 R)
• M36: 8,229,379 km (0.118 R)
• M37: 8,801,740 km (0.116 R)
• M38: 8,989,186 km (0.116 R)
• M39: 9,559,454 km (0.105 R)
• M40: 9,674,943 km (0.101 R)
• M41: 9,849,075 km (0.096 R)
• M42: 10,259,422 km (0.079 R)
• M43: 10,476,488 km (0.078 R)
• M44: 10,595,718 km (0.059 R)
• M45: 10,855,270 km (0.119 R)
• M46: 10,955,650 km (0.074 R)
• M47: 11,729,071 km (0.083 R)
• M48: 11,873,583 km (0.097 R)
• M49: 11,977,105 km (0.095 R)
• M50: 12,689,041 km (0.03 R)
• M51: 12,794,807 km (0.116 R)
• M52: 12,922,264 km (0.089 R)
• M53: 13,071,413 km (0.053 R)
• M54: 13,221,310 km (0.043 R)
• M55: 13,956,883 km (0.106 R)
• M56: 14,728,210 km (0.09 R)
• M57: 14,973,400 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.4

Radius: 13.6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.23 AU - 5.99 AU

Year: 4840 Days

Day: 10.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 86,698,001 km

• M1: 171,888 km (0.104 R)
• M2: 258,056 km (0.109 R)
• M3: 531,372 km (0.089 R)
• M4: 854,204 km (0.107 R)
• M5: 1,075,459 km (0.049 R)
• M6: 1,178,532 km (0.099 R)
• M7: 1,643,183 km (0.061 R)
• M8: 1,977,983 km (0.1 R)
• M9: 2,200,734 km (0.11 R)
• M10: 2,315,326 km (0.039 R)
• M11: 2,610,932 km (0.109 R)
• M12: 3,615,481 km (0.103 R)
• M13: 3,936,369 km (0.075 R)
• M14: 4,483,598 km (0.109 R)
• M15: 4,979,216 km (0.103 R)
• M16: 5,233,682 km (0.072 R)
• M17: 5,835,364 km (0.115 R)
• M18: 6,130,970 km (0.112 R)
• M19: 6,709,016 km (0.077 R)
• M20: 7,275,842 km (0.067 R)
• M21: 7,419,905 km (0.083 R)
• M22: 7,976,409 km (0.069 R)
• M23: 9,410,604 km (0.118 R)
• M24: 9,662,676 km (0.111 R)
• M25: 9,916,843 km (0.053 R)
• M26: 10,044,899 km (0.081 R)
• M27: 10,334,819 km (0.076 R)
• M28: 10,791,392 km (0.074 R)
• M29: 10,923,188 km (0.104 R)
• M30: 11,254,697 km (0.094 R)
• M31: 12,200,754 km (0.079 R)
• M32: 12,441,157 km (0.108 R)
• M33: 12,787,626 km (0.086 R)
• M34: 13,066,925 km (0.03 R)
• M35: 13,738,470 km (0.1 R)
• M36: 14,240,670 km (0.068 R)
• M37: 15,522,125 km (0.072 R)
• M38: 15,633,725 km (0.112 R)
• M39: 15,970,021 km (0.099 R)
• M40: 16,195,615 km (0.075 R)
• M41: 16,422,256 km (0.044 R)
• M42: 16,649,944 km (0.072 R)
• M43: 17,262,098 km (0.056 R)
• M44: 17,765,046 km (0.083 R)
• M45: 17,881,733 km (0.117 R)
• M46: 18,116,003 km (0.102 R)
• M47: 18,430,009 km (0.102 R)
• M48: 19,382,648 km (0.075 R)
• M49: 19,945,735 km (0.1 R)
• M50: 21,088,064 km (0.087 R)
• M51: 21,335,648 km (0.103 R)
• M52: 21,459,815 km (0.077 R)
• M53: 22,167,712 km (0.104 R)
• M54: 22,503,708 km (0.114 R)
• M55: 23,863,852 km (0.097 R)
• M56: 23,992,806 km (0.106 R)
• M57: 24,337,629 km (0.098 R)
• M58: 25,119,577 km (0.107 R)
• M59: 25,513,618 km (0.08 R)
• M60: 25,865,621 km (0.071 R)
• M61: 26,574,416 km (0.118 R)
• M62: 26,752,737 km (0.103 R)
• M63: 26,841,897 km (0.115 R)
• M64: 26,976,086 km (0.04 R)
• M65: 28,147,288 km (0.104 R)
• M66: 28,238,094 km (0.052 R)
• M67: 28,967,982 km (0.083 R)
• M68: 29,427,248 km (0.106 R)
• M69: 29,519,400 km (0.062 R)
• M70: 29,981,657 km (0.098 R)
• M71: 30,446,159 km (0.118 R)
• M72: 30,679,382 km (0.074 R)
• M73: 30,772,880 km (0.07 R)
• M74: 30,913,203 km (0.093 R)
• M75: 31,147,623 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.9

Radius: 6.4

Gravity: 14.26 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 10.42 AU - 10.6 AU

Year: 14275 Days

Day: 15.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 86,698,001 km

• M1: 489,185 km (0.095 R)
• M2: 610,659 km (0.117 R)
• M3: 722,857 km (0.079 R)
• M4: 781,649 km (0.084 R)
• M5: 1,099,844 km (0.113 R)
• M6: 1,285,195 km (0.116 R)
• M7: 1,480,421 km (0.107 R)
• M8: 1,685,220 km (0.097 R)
• M9: 1,981,723 km (0.079 R)
• M10: 2,093,473 km (0.117 R)
• M11: 2,471,506 km (0.038 R)
• M12: 2,531,495 km (0.1 R)
• M13: 4,077,290 km (0.045 R)
• M14: 4,547,326 km (0.095 R)
• M15: 4,920,424 km (0.074 R)
• M16: 6,098,357 km (0.083 R)
• M17: 6,139,048 km (0.092 R)
• M18: 6,179,888 km (0.086 R)
• M19: 6,887,336 km (0.098 R)
• M20: 7,014,794 km (0.093 R)
• M21: 7,057,429 km (0.069 R)
• M22: 7,708,030 km (0.105 R)
• M23: 8,513,764 km (0.108 R)
• M24: 9,158,830 km (0.069 R)
• M25: 9,205,505 km (0.078 R)
• M26: 9,867,326 km (0.092 R)
• M27: 10,789,896 km (0.117 R)
• M28: 10,888,631 km (0.09 R)
• M29: 11,086,848 km (0.107 R)
• M30: 11,841,270 km (0.118 R)
• M31: 12,560,237 km (0.107 R)
• M32: 12,664,058 km (0.088 R)
• M33: 12,924,957 km (0.112 R)
• M34: 13,293,117 km (0.086 R)
• M35: 13,346,075 km (0.109 R)
• M36: 13,399,032 km (0.083 R)
• M37: 13,664,868 km (0.094 R)
• M38: 14,745,713 km (0.097 R)
• M39: 15,020,075 km (0.085 R)
• M40: 15,574,186 km (0.098 R)
• M41: 15,797,535 km (0.106 R)
• M42: 16,531,163 km (0.04 R)
• M43: 17,218,266 km (0.116 R)
• M44: 17,565,184 km (0.1 R)
• M45: 18,031,480 km (0.076 R)
• M46: 18,501,816 km (0.104 R)
• M47: 18,560,907 km (0.067 R)
• M48: 18,916,651 km (0.067 R)
• M49: 20,851,998 km (0.064 R)
• M50: 21,407,455 km (0.068 R)
• M51: 21,593,854 km (0.026 R)
• M52: 21,655,937 km (0.07 R)
• M53: 21,780,552 km (0.058 R)
• M54: 23,039,718 km (0.118 R)
• M55: 23,230,605 km (0.087 R)
• M56: 23,806,407 km (0.095 R)
• M57: 23,934,911 km (0.118 R)
• M58: 24,257,444 km (0.088 R)
• M59: 24,322,220 km (0.118 R)
• M60: 24,972,073 km (0.064 R)
• M61: 25,168,196 km (0.109 R)
• M62: 26,555,118 km (0.04 R)
• M63: 27,224,120 km (0.086 R)
• M64: 27,628,333 km (0.104 R)
• M65: 27,831,188 km (0.039 R)
• M66: 28,102,259 km (0.119 R)
• M67: 28,510,661 km (0.11 R)
• M68: 28,647,244 km (0.096 R)
• M69: 30,094,454 km (0.116 R)
• M70: 32,916,019 km (0.096 R)
• M71: 33,274,755 km (0.092 R)
• M72: 33,346,562 km (0.031 R)
• M73: 34,867,823 km (0.112 R)
• M74: 35,453,349 km (0.116 R)
• M75: 37,977,663 km (0.046 R)
• M76: 38,958,128 km (0.09 R)
• M77: 41,406,746 km (0.104 R)
• M78: 41,716,264 km (0.111 R)
• M79: 41,793,905 km (0.085 R)
• M80: 42,493,574 km (0.039 R)
• M81: 44,933,366 km (0.104 R)
• M82: 45,490,618 km (0.041 R)
• M83: 45,730,124 km (0.117 R)
• M84: 46,853,305 km (0.057 R)
• M85: 47,499,119 km (0.111 R)
• M86: 48,963,084 km (0.114 R)
• M87: 49,536,493 km (0.082 R)
• M88: 50,607,164 km (0.043 R)
• M89: 50,689,743 km (0.1 R)
• M90: 50,938,075 km (0.063 R)
• M91: 51,269,733 km (0.12 R)
• M92: 52,018,620 km (0.11 R)
• M93: 53,106,795 km (0.052 R)
• M94: 53,527,315 km (0.104 R)
• M95: 54,456,318 km (0.118 R)
• M96: 55,390,706 km (0.116 R)
• M97: 57,361,359 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.4

Radius: 6.8

Gravity: 19.13 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 11.47 AU - 16.07 AU

Year: 21408 Days

Day: 17.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 86,698,001 km

• M1: 227,987 km (0.069 R)
• M2: 311,463 km (0.047 R)
• M3: 490,382 km (0.092 R)
• M4: 534,663 km (0.116 R)
• M5: 701,016 km (0.116 R)
• M6: 1,586,635 km (0.082 R)
• M7: 1,654,403 km (0.114 R)
• M8: 3,158,759 km (0.088 R)
• M9: 3,462,293 km (0.049 R)
• M10: 3,685,044 km (0.06 R)
• M11: 3,775,401 km (0.1 R)
• M12: 5,166,811 km (0.068 R)
• M13: 5,217,375 km (0.088 R)
• M14: 5,837,010 km (0.103 R)
• M15: 6,263,064 km (0.063 R)
• M16: 7,257,741 km (0.079 R)
• M17: 7,371,435 km (0.037 R)
• M18: 7,715,660 km (0.057 R)
• M19: 8,419,667 km (0.09 R)
• M20: 8,900,475 km (0.113 R)
• M21: 9,328,474 km (0.029 R)
• M22: 9,825,887 km (0.114 R)
• M23: 11,172,119 km (0.034 R)
• M24: 11,833,341 km (0.1 R)
• M25: 12,711,630 km (0.068 R)
• M26: 12,848,662 km (0.116 R)
• M27: 13,821,347 km (0.087 R)
• M28: 13,891,808 km (0.094 R)
• M29: 13,962,268 km (0.098 R)
• M30: 15,397,211 km (0.094 R)
• M31: 15,836,879 km (0.034 R)
• M32: 16,878,529 km (0.049 R)
• M33: 17,559,798 km (0.053 R)
• M34: 18,173,000 km (0.117 R)
• M35: 18,404,727 km (0.11 R)
• M36: 19,027,353 km (0.074 R)
• M37: 19,578,023 km (0.112 R)
• M38: 19,657,011 km (0.102 R)
• M39: 19,815,584 km (0.034 R)
• M40: 19,894,871 km (0.118 R)
• M41: 20,694,771 km (0.108 R)
• M42: 21,914,143 km (0.087 R)
• M43: 22,325,687 km (0.108 R)
• M44: 23,491,802 km (0.096 R)
• M45: 23,575,876 km (0.042 R)
• M46: 23,659,950 km (0.091 R)
• M47: 23,913,070 km (0.051 R)
• M48: 25,969,442 km (0.112 R)
• M49: 27,992,754 km (0.111 R)
• M50: 28,349,844 km (0.098 R)
• M51: 31,352,423 km (0.104 R)
• M52: 34,645,371 km (0.095 R)
• M53: 34,836,856 km (0.068 R)
• M54: 35,028,641 km (0.036 R)
• M55: 35,124,682 km (0.094 R)
• M56: 35,509,747 km (0.114 R)
• M57: 35,799,518 km (0.119 R)
• M58: 36,381,305 km (0.032 R)
• M59: 38,145,213 km (0.11 R)
• M60: 38,838,749 km (0.089 R)
• M61: 39,137,346 km (0.079 R)
• M62: 40,037,327 km (0.083 R)
• M63: 40,238,237 km (0.097 R)
• M64: 43,292,277 km (0.09 R)
• M65: 46,103,969 km (0.095 R)
• M66: 46,420,070 km (0.082 R)
• M67: 46,525,536 km (0.072 R)
• M68: 49,081,565 km (0.112 R)
• M69: 50,051,708 km (0.114 R)
• M70: 50,810,767 km (0.034 R)
• M71: 52,890,028 km (0.111 R)
• M72: 54,773,764 km (0.099 R)
• M73: 55,779,960 km (0.076 R)
• M74: 56,454,197 km (0.09 R)
• M75: 62,176,316 km (0.106 R)
• M76: 62,758,551 km (0.06 R)
• M77: 66,290,108 km (0.108 R)
• M78: 68,319,852 km (0.062 R)
• M79: 70,127,592 km (0.074 R)
• M80: 70,855,087 km (0.045 R)
• M81: 71,707,047 km (0.11 R)
• M82: 72,562,298 km (0.061 R)
• M83: 72,684,818 km (0.1 R)
• M84: 72,807,339 km (0.094 R)
• M85: 73,543,959 km (0.106 R)
• M86: 73,666,928 km (0.032 R)
• M87: 75,520,296 km (0.108 R)
• M88: 77,514,137 km (0.032 R)
• M89: 77,639,350 km (0.103 R)
• M90: 77,889,927 km (0.094 R)
• M91: 78,769,113 km (0.047 R)
• M92: 81,935,651 km (0.061 R)
• M93: 83,342,171 km (0.056 R)
• M94: 84,756,469 km (0.09 R)
• M95: 85,919,592 km (0.088 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 17,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit