🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.72 AU - 1.06 AU

Year: 308 Days

Day: 39.7 Hours

Environment

Temp: 111 °C

Axial Tilt: 15.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.61 AU - 1.91 AU

Year: 857 Days

Day: 16.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.13 AU - 2.99 AU

Year: 1504 Days

Day: 34.6 Hours

Environment

Temp: -86 °C

Axial Tilt: 80.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.66 AU - 3.68 AU

Year: 2072 Days

Day: 35 Hours

Environment

Temp: -115 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,123,404 km

• M1: 2,464,475 km (0.026 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.44 AU - 3.68 AU

Year: 2466 Days

Day: 33.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.97 AU - 4.51 AU

Year: 2655 Days

Day: 36.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.1

Radius: 14.1

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.34 AU - 7.32 AU

Year: 5846 Days

Day: 5.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 95.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 54,123,404 km

• M1: 201,508 km (0.082 R)
• M2: 346,917 km (0.043 R)
• M3: 593,156 km (0.1 R)
• M4: 722,707 km (0.083 R)
• M5: 824,883 km (0.084 R)
• M6: 973,284 km (0.038 R)
• M7: 1,208,601 km (0.103 R)
• M8: 1,357,002 km (0.066 R)
• M9: 1,710,801 km (0.087 R)
• M10: 1,932,057 km (0.099 R)
• M11: 2,232,898 km (0.115 R)
• M12: 2,697,698 km (0.092 R)
• M13: 2,895,317 km (0.087 R)
• M14: 2,988,217 km (0.101 R)
• M15: 3,533,950 km (0.103 R)
• M16: 3,700,453 km (0.045 R)
• M17: 3,818,635 km (0.085 R)
• M18: 3,955,218 km (0.117 R)
• M19: 4,058,740 km (0.055 R)
• M20: 4,215,818 km (0.066 R)
• M21: 4,321,733 km (0.068 R)
• M22: 4,464,300 km (0.039 R)
• M23: 4,644,715 km (0.092 R)
• M24: 4,994,325 km (0.076 R)
• M25: 5,238,469 km (0.107 R)
• M26: 5,935,445 km (0.111 R)
• M27: 6,194,399 km (0.026 R)
• M28: 6,785,460 km (0.108 R)
• M29: 7,077,326 km (0.077 R)
• M30: 7,458,800 km (0.064 R)
• M31: 7,934,222 km (0.09 R)
• M32: 8,219,805 km (0.056 R)
• M33: 8,733,374 km (0.068 R)
• M34: 8,937,276 km (0.099 R)
• M35: 9,488,544 km (0.117 R)
• M36: 9,604,782 km (0.118 R)
• M37: 9,909,363 km (0.092 R)
• M38: 10,051,032 km (0.115 R)
• M39: 10,240,872 km (0.083 R)
• M40: 10,745,166 km (0.096 R)
• M41: 11,159,253 km (0.12 R)
• M42: 11,628,392 km (0.117 R)
• M43: 11,902,904 km (0.057 R)
• M44: 12,129,246 km (0.063 R)
• M45: 12,893,691 km (0.111 R)
• M46: 13,386,017 km (0.028 R)
• M47: 13,568,976 km (0.08 R)
• M48: 13,673,844 km (0.113 R)
• M49: 13,937,286 km (0.069 R)
• M50: 14,122,787 km (0.084 R)
• M51: 14,335,665 km (0.109 R)
• M52: 14,522,961 km (0.052 R)
• M53: 14,926,726 km (0.053 R)
• M54: 15,062,262 km (0.111 R)
• M55: 15,498,489 km (0.105 R)
• M56: 15,828,352 km (0.043 R)
• M57: 16,216,260 km (0.087 R)
• M58: 16,439,310 km (0.073 R)
• M59: 16,579,184 km (0.061 R)
• M60: 16,832,154 km (0.103 R)
• M61: 16,973,075 km (0.091 R)
• M62: 17,171,292 km (0.068 R)
• M63: 18,434,198 km (0.034 R)
• M64: 19,047,399 km (0.105 R)
• M65: 19,223,925 km (0.037 R)
• M66: 19,548,851 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.7

Radius: 9.5

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.53 AU - 8.45 AU

Year: 6784 Days

Day: 10 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 54,123,404 km

• M1: 128,205 km (0.069 R)
• M2: 305,628 km (0.108 R)
• M3: 368,908 km (0.098 R)
• M4: 525,687 km (0.095 R)
• M5: 720,763 km (0.054 R)
• M6: 1,162,375 km (0.083 R)
• M7: 1,289,384 km (0.047 R)
• M8: 1,364,183 km (0.054 R)
• M9: 1,739,524 km (0.046 R)
• M10: 1,950,008 km (0.102 R)
• M11: 2,036,476 km (0.114 R)
• M12: 2,168,720 km (0.074 R)
• M13: 2,326,696 km (0.117 R)
• M14: 2,488,561 km (0.096 R)
• M15: 3,669,187 km (0.076 R)
• M16: 3,803,825 km (0.106 R)
• M17: 3,940,109 km (0.03 R)
• M18: 4,274,011 km (0.08 R)
• M19: 4,617,039 km (0.105 R)
• M20: 4,998,663 km (0.106 R)
• M21: 5,823,845 km (0.092 R)
• M22: 5,886,676 km (0.096 R)
• M23: 6,268,450 km (0.112 R)
• M24: 6,332,777 km (0.113 R)
• M25: 6,625,390 km (0.068 R)
• M26: 6,822,860 km (0.109 R)
• M27: 6,988,913 km (0.039 R)
• M28: 8,048,365 km (0.101 R)
• M29: 8,329,909 km (0.117 R)
• M30: 8,436,422 km (0.086 R)
• M31: 8,507,631 km (0.074 R)
• M32: 8,650,497 km (0.104 R)
• M33: 9,011,626 km (0.12 R)
• M34: 9,084,331 km (0.065 R)
• M35: 9,599,396 km (0.039 R)
• M36: 10,850,932 km (0.07 R)
• M37: 11,083,856 km (0.074 R)
• M38: 11,436,608 km (0.079 R)
• M39: 11,872,685 km (0.053 R)
• M40: 12,720,157 km (0.109 R)
• M41: 13,880,438 km (0.053 R)
• M42: 14,049,035 km (0.063 R)
• M43: 14,175,894 km (0.103 R)
• M44: 14,260,567 km (0.099 R)
• M45: 15,160,847 km (0.034 R)
• M46: 15,377,913 km (0.107 R)
• M47: 16,701,854 km (0.075 R)
• M48: 18,523,358 km (0.114 R)
• M49: 19,175,605 km (0.097 R)
• M50: 19,316,376 km (0.099 R)
• M51: 19,410,324 km (0.064 R)
• M52: 19,504,570 km (0.066 R)
• M53: 20,215,759 km (0.106 R)
• M54: 20,406,945 km (0.116 R)
• M55: 20,742,792 km (0.1 R)
• M56: 21,859,241 km (0.112 R)
• M57: 24,048,905 km (0.078 R)
• M58: 24,556,341 km (0.056 R)
• M59: 25,221,154 km (0.038 R)
• M60: 25,323,928 km (0.082 R)
• M61: 26,047,532 km (0.114 R)
• M62: 26,464,013 km (0.114 R)
• M63: 26,568,582 km (0.098 R)
• M64: 26,882,887 km (0.083 R)
• M65: 27,145,581 km (0.117 R)
• M66: 27,515,088 km (0.108 R)
• M67: 27,726,918 km (0.071 R)
• M68: 28,419,107 km (0.035 R)
• M69: 29,063,126 km (0.077 R)
• M70: 29,766,087 km (0.115 R)
• M71: 29,874,844 km (0.047 R)
• M72: 30,092,509 km (0.104 R)
• M73: 30,748,945 km (0.113 R)
• M74: 30,858,750 km (0.057 R)
• M75: 32,075,728 km (0.111 R)
• M76: 32,522,128 km (0.095 R)
• M77: 32,746,226 km (0.073 R)
• M78: 33,026,872 km (0.047 R)
• M79: 33,477,759 km (0.077 R)
• M80: 34,385,370 km (0.075 R)
• M81: 36,167,080 km (0.102 R)
• M82: 36,515,344 km (0.083 R)
• M83: 36,689,925 km (0.077 R)
• M84: 37,332,448 km (0.092 R)
• M85: 38,391,750 km (0.057 R)
• M86: 39,222,467 km (0.058 R)
• M87: 39,819,363 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.8

Radius: 3.5

Gravity: 67 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 16.13 AU - 17.83 AU

Year: 25685 Days

Day: 22.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 54,123,404 km

• M1: 398,379 km (0.088 R)
• M2: 564,433 km (0.059 R)
• M3: 722,857 km (0.116 R)
• M4: 864,975 km (0.091 R)
• M5: 1,342,342 km (0.047 R)
• M6: 1,625,231 km (0.077 R)
• M7: 1,773,333 km (0.069 R)
• M8: 1,964,818 km (0.062 R)
• M9: 2,003,863 km (0.095 R)
• M10: 2,492,749 km (0.079 R)
• M11: 3,061,670 km (0.06 R)
• M12: 4,830,366 km (0.119 R)
• M13: 5,204,660 km (0.036 R)
• M14: 6,911,122 km (0.058 R)
• M15: 8,902,120 km (0.08 R)
• M16: 9,491,985 km (0.071 R)
• M17: 9,959,329 km (0.083 R)
• M18: 10,571,184 km (0.047 R)
• M19: 11,055,432 km (0.119 R)
• M20: 11,405,641 km (0.085 R)
• M21: 11,688,530 km (0.104 R)
• M22: 12,623,667 km (0.104 R)
• M23: 14,564,849 km (0.114 R)
• M24: 15,180,444 km (0.11 R)
• M25: 15,804,566 km (0.058 R)
• M26: 16,119,919 km (0.114 R)
• M27: 16,357,630 km (0.098 R)
• M28: 17,077,943 km (0.113 R)
• M29: 17,320,292 km (0.081 R)
• M30: 17,726,749 km (0.057 R)
• M31: 18,715,142 km (0.039 R)
• M32: 18,881,645 km (0.09 R)
• M33: 19,636,815 km (0.028 R)
• M34: 19,805,860 km (0.118 R)
• M35: 22,048,333 km (0.083 R)
• M36: 22,488,749 km (0.048 R)
• M37: 23,110,178 km (0.069 R)
• M38: 23,199,488 km (0.111 R)
• M39: 25,007,977 km (0.096 R)
• M40: 26,580,550 km (0.072 R)
• M41: 29,432,483 km (0.099 R)
• M42: 30,404,570 km (0.06 R)
• M43: 31,189,660 km (0.069 R)
• M44: 31,386,980 km (0.065 R)
• M45: 31,485,864 km (0.068 R)
• M46: 31,584,748 km (0.114 R)
• M47: 31,782,965 km (0.097 R)
• M48: 32,280,229 km (0.109 R)
• M49: 33,181,556 km (0.114 R)
• M50: 33,483,893 km (0.088 R)
• M51: 36,349,291 km (0.071 R)
• M52: 37,077,832 km (0.115 R)
• M53: 38,021,645 km (0.084 R)
• M54: 38,549,277 km (0.119 R)
• M55: 41,115,928 km (0.117 R)
• M56: 42,310,467 km (0.048 R)
• M57: 42,747,741 km (0.076 R)
• M58: 44,622,651 km (0.109 R)
• M59: 47,201,719 km (0.078 R)
• M60: 47,314,964 km (0.052 R)
• M61: 47,541,605 km (0.061 R)
• M62: 48,452,207 km (0.117 R)
• M63: 49,368,345 km (0.054 R)
• M64: 49,483,385 km (0.105 R)
• M65: 50,985,497 km (0.084 R)
• M66: 52,502,570 km (0.087 R)
• M67: 52,620,004 km (0.075 R)
• M68: 53,561,573 km (0.092 R)
• M69: 54,390,046 km (0.064 R)
• M70: 54,627,607 km (0.104 R)
• M71: 55,700,523 km (0.027 R)
• M72: 59,205,003 km (0.112 R)
• M73: 59,327,075 km (0.111 R)
• M74: 60,306,941 km (0.084 R)
• M75: 63,153,788 km (0.106 R)
• M76: 64,028,786 km (0.094 R)
• M77: 67,952,140 km (0.072 R)
• M78: 71,042,533 km (0.114 R)
• M79: 72,474,184 km (0.118 R)
• M80: 73,521,370 km (0.091 R)
• M81: 74,573,491 km (0.06 R)
• M82: 76,028,331 km (0.114 R)
• M83: 76,559,702 km (0.092 R)
• M84: 77,759,776 km (0.063 R)
• M85: 78,697,456 km (0.119 R)
• M86: 78,831,795 km (0.086 R)
• M87: 79,369,599 km (0.042 R)
• M88: 79,638,875 km (0.088 R)
• M89: 79,908,600 km (0.103 R)
• M90: 81,261,414 km (0.025 R)
• M91: 83,578,535 km (0.088 R)
• M92: 88,277,554 km (0.111 R)
• M93: 88,417,129 km (0.072 R)
• M94: 89,395,648 km (0.11 R)
• M95: 89,956,491 km (0.074 R)
• M96: 91,363,608 km (0.107 R)
• M97: 91,787,120 km (0.085 R)
• M98: 95,341,865 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.2

Radius: 6.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 14.92 AU - 19.94 AU

Year: 26713 Days

Day: 16.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 54,123,404 km

• M1: 258,356 km (0.114 R)
• M2: 321,785 km (0.07 R)
• M3: 406,009 km (0.119 R)
• M4: 1,947,166 km (0.106 R)
• M5: 2,107,684 km (0.108 R)
• M6: 2,441,736 km (0.086 R)
• M7: 2,527,905 km (0.104 R)
• M8: 2,585,949 km (0.084 R)
• M9: 4,522,493 km (0.049 R)
• M10: 4,807,328 km (0.087 R)
• M11: 5,024,843 km (0.087 R)
• M12: 5,171,598 km (0.109 R)
• M13: 5,965,514 km (0.116 R)
• M14: 6,120,946 km (0.093 R)
• M15: 7,122,953 km (0.094 R)
• M16: 7,246,521 km (0.062 R)
• M17: 7,960,551 km (0.112 R)
• M18: 8,046,121 km (0.12 R)
• M19: 11,368,092 km (0.089 R)
• M20: 11,852,340 km (0.094 R)
• M21: 13,092,506 km (0.094 R)
• M22: 13,651,105 km (0.099 R)
• M23: 14,062,349 km (0.094 R)
• M24: 16,341,174 km (0.107 R)
• M25: 18,504,808 km (0.049 R)
• M26: 19,475,848 km (0.06 R)
• M27: 19,764,571 km (0.11 R)
• M28: 23,093,872 km (0.095 R)
• M29: 23,460,836 km (0.066 R)
• M30: 24,759,944 km (0.113 R)
• M31: 25,575,850 km (0.048 R)
• M32: 26,592,218 km (0.112 R)
• M33: 27,816,078 km (0.066 R)
• M34: 28,141,304 km (0.108 R)
• M35: 28,336,978 km (0.112 R)
• M36: 28,861,020 km (0.102 R)
• M37: 29,852,106 km (0.083 R)
• M38: 30,787,242 km (0.072 R)
• M39: 32,071,689 km (0.096 R)
• M40: 32,139,756 km (0.106 R)
• M41: 32,549,355 km (0.091 R)
• M42: 33,442,604 km (0.107 R)
• M43: 36,809,902 km (0.106 R)
• M44: 37,023,977 km (0.1 R)
• M45: 41,538,542 km (0.081 R)
• M46: 43,860,001 km (0.109 R)
• M47: 49,490,716 km (0.084 R)
• M48: 49,648,093 km (0.106 R)
• M49: 52,029,541 km (0.07 R)
• M50: 52,430,015 km (0.107 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 13,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit