🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.44 AU - 0.6 AU

Year: 246 Days

Day: 26.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 45.6 °

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: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.58 AU - 0.68 AU

Year: 328 Days

Day: 36.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.2

Radius: 13.9

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.78 AU - 1.16 AU

Year: 627 Days

Day: 11.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,757,598 km

• M1: 172,935 km (0.09 R)
• M2: 265,087 km (0.093 R)
• M3: 405,560 km (0.05 R)
• M4: 493,075 km (0.091 R)
• M5: 655,089 km (0.047 R)
• M6: 792,570 km (0.092 R)
• M7: 965,355 km (0.117 R)
• M8: 1,064,090 km (0.099 R)
• M9: 1,151,604 km (0.071 R)
• M10: 1,311,375 km (0.094 R)
• M11: 1,418,337 km (0.119 R)
• M12: 1,633,010 km (0.094 R)
• M13: 1,727,107 km (0.094 R)
• M14: 1,930,261 km (0.028 R)
• M15: 2,021,217 km (0.094 R)
• M16: 2,141,643 km (0.081 R)
• M17: 2,322,058 km (0.031 R)
• M18: 2,483,025 km (0.097 R)
• M19: 2,821,565 km (0.089 R)
• M20: 2,941,393 km (0.086 R)
• M21: 3,052,096 km (0.11 R)
• M22: 3,159,058 km (0.117 R)
• M23: 3,393,179 km (0.085 R)
• M24: 3,599,474 km (0.058 R)
• M25: 3,718,255 km (0.099 R)
• M26: 3,907,796 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.8

Radius: 12.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.28 AU - 1.46 AU

Year: 1052 Days

Day: 13.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 59,757,598 km

• M1: 162,314 km (0.11 R)
• M2: 256,112 km (0.085 R)
• M3: 338,241 km (0.094 R)
• M4: 569,369 km (0.069 R)
• M5: 694,134 km (0.086 R)
• M6: 829,670 km (0.101 R)
• M7: 1,010,982 km (0.052 R)
• M8: 1,237,474 km (0.115 R)
• M9: 1,333,067 km (0.099 R)
• M10: 1,414,597 km (0.081 R)
• M11: 1,523,355 km (0.051 R)
• M12: 1,661,284 km (0.081 R)
• M13: 1,867,281 km (0.08 R)
• M14: 2,025,106 km (0.093 R)
• M15: 2,344,348 km (0.075 R)
• M16: 2,474,648 km (0.062 R)
• M17: 2,556,029 km (0.052 R)
• M18: 2,648,780 km (0.044 R)
• M19: 2,805,858 km (0.081 R)
• M20: 2,923,142 km (0.077 R)
• M21: 3,096,676 km (0.116 R)
• M22: 3,262,580 km (0.101 R)
• M23: 3,511,361 km (0.091 R)
• M24: 3,696,115 km (0.109 R)
• M25: 4,405,657 km (0.063 R)
• M26: 4,655,935 km (0.038 R)
• M27: 4,949,446 km (0.105 R)
• M28: 5,514,477 km (0.094 R)
• M29: 5,921,084 km (0.068 R)
• M30: 6,044,951 km (0.056 R)
• M31: 6,155,803 km (0.112 R)
• M32: 6,253,341 km (0.08 R)
• M33: 6,535,033 km (0.068 R)
• M34: 6,634,516 km (0.054 R)
• M35: 6,720,236 km (0.119 R)
• M36: 7,154,668 km (0.087 R)
• M37: 7,568,306 km (0.113 R)
• M38: 7,702,944 km (0.08 R)
• M39: 8,004,982 km (0.057 R)
• M40: 8,096,386 km (0.113 R)
• M41: 8,218,907 km (0.1 R)
• M42: 8,311,059 km (0.09 R)
• M43: 8,450,036 km (0.048 R)
• M44: 8,745,940 km (0.072 R)
• M45: 8,934,733 km (0.11 R)
• M46: 9,589,523 km (0.064 R)
• M47: 9,735,381 km (0.116 R)
• M48: 9,980,123 km (0.099 R)
• M49: 10,226,959 km (0.066 R)
• M50: 10,342,898 km (0.096 R)
• M51: 10,475,740 km (0.058 R)
• M52: 10,743,371 km (0.102 R)
• M53: 11,217,297 km (0.061 R)
• M54: 11,371,084 km (0.109 R)

Asteroid Belt

Center: 1.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.7

Radius: 13

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.5 AU - 2.26 AU

Year: 1691 Days

Day: 14.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 59,757,598 km

• M1: 242,498 km (0.064 R)
• M2: 345,122 km (0.097 R)
• M3: 433,086 km (0.078 R)
• M4: 575,353 km (0.061 R)
• M5: 830,567 km (0.111 R)
• M6: 976,575 km (0.063 R)
• M7: 1,208,601 km (0.108 R)
• M8: 1,367,773 km (0.09 R)
• M9: 1,668,465 km (0.109 R)
• M10: 1,959,583 km (0.077 R)
• M11: 2,042,909 km (0.104 R)
• M12: 2,148,824 km (0.117 R)
• M13: 2,256,534 km (0.065 R)
• M14: 2,399,550 km (0.087 R)
• M15: 2,556,927 km (0.041 R)
• M16: 2,717,894 km (0.063 R)
• M17: 2,894,120 km (0.071 R)
• M18: 3,171,924 km (0.08 R)
• M19: 3,357,724 km (0.055 R)
• M20: 3,534,549 km (0.109 R)
• M21: 3,662,904 km (0.091 R)
• M22: 3,858,129 km (0.035 R)
• M23: 4,070,408 km (0.06 R)
• M24: 4,245,737 km (0.066 R)
• M25: 4,354,794 km (0.079 R)
• M26: 4,772,621 km (0.078 R)
• M27: 5,101,587 km (0.098 R)
• M28: 5,334,959 km (0.04 R)
• M29: 5,527,193 km (0.08 R)
• M30: 5,812,326 km (0.105 R)
• M31: 5,949,208 km (0.067 R)
• M32: 6,117,805 km (0.082 R)
• M33: 6,334,722 km (0.072 R)
• M34: 6,665,034 km (0.12 R)
• M35: 6,792,342 km (0.105 R)
• M36: 7,097,970 km (0.104 R)
• M37: 7,195,358 km (0.078 R)
• M38: 7,325,957 km (0.067 R)
• M39: 7,622,909 km (0.047 R)
• M40: 7,706,086 km (0.109 R)
• M41: 8,008,124 km (0.086 R)
• M42: 8,092,646 km (0.108 R)
• M43: 8,485,640 km (0.086 R)
• M44: 8,954,929 km (0.067 R)
• M45: 9,042,742 km (0.11 R)
• M46: 9,254,723 km (0.097 R)
• M47: 9,575,909 km (0.108 R)
• M48: 9,701,721 km (0.054 R)
• M49: 9,864,484 km (0.096 R)
• M50: 10,009,743 km (0.1 R)
• M51: 10,137,500 km (0.098 R)
• M52: 10,357,857 km (0.095 R)
• M53: 11,141,451 km (0.082 R)
• M54: 11,330,992 km (0.1 R)
• M55: 11,693,766 km (0.101 R)
• M56: 11,828,404 km (0.026 R)
• M57: 12,138,072 km (0.112 R)
• M58: 12,255,058 km (0.102 R)
• M59: 12,411,387 km (0.103 R)
• M60: 12,548,718 km (0.055 R)
• M61: 12,647,154 km (0.09 R)
• M62: 12,844,772 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.2

Radius: 7.9

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.48 AU - 8.8 AU

Year: 16660 Days

Day: 22.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 59,757,598 km

• M1: 472,280 km (0.117 R)
• M2: 593,604 km (0.115 R)
• M3: 1,041,650 km (0.066 R)
• M4: 1,397,843 km (0.118 R)
• M5: 1,550,732 km (0.087 R)
• M6: 1,763,011 km (0.095 R)
• M7: 1,928,466 km (0.108 R)
• M8: 3,495,055 km (0.109 R)
• M9: 3,668,589 km (0.084 R)
• M10: 4,133,240 km (0.08 R)
• M11: 5,394,350 km (0.033 R)
• M12: 6,764,965 km (0.109 R)
• M13: 7,112,780 km (0.064 R)
• M14: 8,748,783 km (0.117 R)
• M15: 8,890,153 km (0.099 R)
• M16: 9,271,029 km (0.084 R)
• M17: 9,463,412 km (0.077 R)
• M18: 9,705,910 km (0.091 R)
• M19: 11,049,897 km (0.111 R)
• M20: 11,254,098 km (0.042 R)
• M21: 11,978,002 km (0.12 R)
• M22: 12,135,230 km (0.08 R)
• M23: 12,770,422 km (0.1 R)
• M24: 13,362,381 km (0.111 R)
• M25: 13,470,989 km (0.068 R)
• M26: 13,579,747 km (0.101 R)
• M27: 13,634,350 km (0.095 R)
• M28: 13,908,114 km (0.105 R)
• M29: 14,796,576 km (0.108 R)
• M30: 15,021,571 km (0.061 R)
• M31: 15,531,849 km (0.094 R)
• M32: 17,096,793 km (0.091 R)
• M33: 18,589,929 km (0.083 R)
• M34: 18,650,516 km (0.107 R)
• M35: 20,062,271 km (0.119 R)
• M36: 21,508,135 km (0.092 R)
• M37: 21,826,928 km (0.109 R)
• M38: 22,404,675 km (0.062 R)
• M39: 23,378,706 km (0.106 R)
• M40: 23,640,652 km (0.114 R)
• M41: 25,569,717 km (0.082 R)
• M42: 25,704,505 km (0.083 R)
• M43: 25,772,123 km (0.076 R)
• M44: 26,178,580 km (0.067 R)
• M45: 26,587,132 km (0.077 R)
• M46: 26,723,715 km (0.088 R)
• M47: 27,479,483 km (0.095 R)
• M48: 27,825,354 km (0.056 R)
• M49: 30,144,121 km (0.118 R)
• M50: 30,858,899 km (0.109 R)
• M51: 31,146,277 km (0.118 R)
• M52: 32,450,920 km (0.043 R)
• M53: 35,488,654 km (0.094 R)
• M54: 36,016,286 km (0.099 R)
• M55: 36,774,597 km (0.115 R)
• M56: 37,384,957 km (0.119 R)
• M57: 37,921,863 km (0.11 R)
• M58: 38,848,173 km (0.103 R)
• M59: 39,158,589 km (0.096 R)
• M60: 39,314,021 km (0.114 R)
• M61: 39,625,634 km (0.055 R)
• M62: 41,433,524 km (0.104 R)
• M63: 42,307,624 km (0.117 R)
• M64: 42,707,051 km (0.099 R)
• M65: 42,947,155 km (0.103 R)
• M66: 43,187,858 km (0.088 R)
• M67: 43,428,860 km (0.11 R)
• M68: 45,047,659 km (0.083 R)
• M69: 45,210,571 km (0.083 R)
• M70: 46,521,347 km (0.051 R)
• M71: 46,850,912 km (0.096 R)
• M72: 47,346,828 km (0.084 R)
• M73: 47,429,706 km (0.112 R)
• M74: 47,678,487 km (0.111 R)
• M75: 50,527,728 km (0.076 R)
• M76: 50,697,073 km (0.075 R)
• M77: 51,291,126 km (0.068 R)
• M78: 51,887,573 km (0.057 R)
• M79: 52,314,974 km (0.054 R)
• M80: 54,730,082 km (0.084 R)
• M81: 55,426,759 km (0.106 R)
• M82: 55,776,220 km (0.058 R)
• M83: 56,038,764 km (0.119 R)
• M84: 57,093,130 km (0.113 R)
• M85: 57,446,031 km (0.059 R)
• M86: 57,622,856 km (0.063 R)
• M87: 58,065,366 km (0.117 R)
• M88: 58,598,084 km (0.083 R)
• M89: 59,310,769 km (0.06 R)
• M90: 59,757,617 km (0.11 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 14,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit