🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.51 AU - 0.63 AU

Year: 274 Days

Day: 43.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.63 AU - 0.65 AU

Year: 326 Days

Day: 38.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.1

Radius: 8.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.7 AU - 0.94 AU

Year: 472 Days

Day: 6.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 38,896,638 km

• M1: 105,018 km (0.117 R)
• M2: 156,779 km (0.063 R)
• M3: 221,405 km (0.036 R)
• M4: 329,115 km (0.078 R)
• M5: 398,230 km (0.057 R)
• M6: 486,193 km (0.108 R)
• M7: 548,127 km (0.079 R)
• M8: 601,533 km (0.117 R)
• M9: 659,876 km (0.11 R)
• M10: 739,013 km (0.118 R)
• M11: 802,144 km (0.116 R)
• M12: 880,383 km (0.104 R)
• M13: 989,141 km (0.088 R)
• M14: 1,048,681 km (0.12 R)
• M15: 1,171,800 km (0.055 R)
• M16: 1,238,970 km (0.072 R)
• M17: 1,334,563 km (0.036 R)
• M18: 1,393,055 km (0.116 R)
• M19: 1,488,499 km (0.118 R)
• M20: 1,557,613 km (0.099 R)
• M21: 1,656,946 km (0.051 R)
• M22: 1,728,603 km (0.119 R)
• M23: 1,801,308 km (0.113 R)
• M24: 1,862,045 km (0.039 R)
• M25: 1,950,008 km (0.071 R)
• M26: 2,143,737 km (0.099 R)
• M27: 2,348,687 km (0.091 R)
• M28: 2,448,768 km (0.025 R)
• M29: 2,550,195 km (0.066 R)
• M30: 2,633,521 km (0.063 R)
• M31: 2,717,595 km (0.102 R)
• M32: 2,868,390 km (0.047 R)
• M33: 3,026,963 km (0.101 R)
• M34: 3,083,960 km (0.098 R)
• M35: 3,236,101 km (0.112 R)
• M36: 3,412,178 km (0.069 R)
• M37: 3,476,954 km (0.093 R)
• M38: 3,729,176 km (0.058 R)
• M39: 3,796,046 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.3

Radius: 13.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.85 AU - 1.13 AU

Year: 626 Days

Day: 6.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,896,638 km

• M1: 175,927 km (0.047 R)
• M2: 273,166 km (0.053 R)
• M3: 358,137 km (0.09 R)
• M4: 472,879 km (0.095 R)
• M5: 607,068 km (0.089 R)
• M6: 693,386 km (0.095 R)
• M7: 816,056 km (0.102 R)
• M8: 1,103,583 km (0.071 R)
• M9: 1,265,748 km (0.081 R)
• M10: 1,452,147 km (0.039 R)
• M11: 1,643,931 km (0.046 R)
• M12: 1,766,601 km (0.081 R)
• M13: 1,932,057 km (0.064 R)
• M14: 2,030,492 km (0.11 R)
• M15: 2,116,810 km (0.087 R)
• M16: 2,326,396 km (0.077 R)
• M17: 2,436,201 km (0.109 R)
• M18: 2,557,675 km (0.046 R)
• M19: 2,716,099 km (0.092 R)
• M20: 2,821,865 km (0.106 R)
• M21: 3,074,386 km (0.078 R)
• M22: 3,158,460 km (0.075 R)
• M23: 3,243,282 km (0.071 R)
• M24: 3,409,934 km (0.098 R)
• M25: 3,502,685 km (0.072 R)
• M26: 3,763,284 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.3

Radius: 12.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.73 AU - 1.93 AU

Year: 1574 Days

Day: 13 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 38,896,638 km

• M1: 173,234 km (0.071 R)
• M2: 263,741 km (0.104 R)
• M3: 369,956 km (0.082 R)
• M4: 520,601 km (0.079 R)
• M5: 614,548 km (0.103 R)
• M6: 702,661 km (0.059 R)
• M7: 865,124 km (0.113 R)
• M8: 1,048,681 km (0.073 R)
• M9: 1,362,089 km (0.094 R)
• M10: 1,516,922 km (0.111 R)
• M11: 1,659,788 km (0.115 R)
• M12: 1,835,566 km (0.103 R)
• M13: 1,930,561 km (0.03 R)
• M14: 2,046,948 km (0.081 R)
• M15: 2,369,032 km (0.118 R)
• M16: 2,696,651 km (0.113 R)
• M17: 2,860,610 km (0.041 R)
• M18: 3,016,641 km (0.082 R)
• M19: 3,129,887 km (0.077 R)
• M20: 3,233,109 km (0.064 R)
• M21: 3,419,359 km (0.107 R)
• M22: 3,525,723 km (0.082 R)
• M23: 3,669,337 km (0.105 R)
• M24: 3,766,126 km (0.058 R)
• M25: 4,314,103 km (0.03 R)
• M26: 4,506,785 km (0.037 R)
• M27: 4,874,048 km (0.119 R)
• M28: 5,210,195 km (0.108 R)
• M29: 5,484,707 km (0.093 R)
• M30: 5,595,858 km (0.051 R)
• M31: 5,848,678 km (0.088 R)
• M32: 5,948,011 km (0.072 R)
• M33: 6,134,111 km (0.07 R)
• M34: 6,235,090 km (0.066 R)
• M35: 6,322,006 km (0.102 R)
• M36: 6,718,590 km (0.073 R)
• M37: 7,062,964 km (0.041 R)
• M38: 7,505,325 km (0.032 R)
• M39: 7,800,033 km (0.112 R)
• M40: 8,321,082 km (0.092 R)
• M41: 8,513,316 km (0.078 R)
• M42: 8,755,814 km (0.115 R)
• M43: 8,886,114 km (0.104 R)
• M44: 9,313,814 km (0.099 R)
• M45: 9,480,167 km (0.109 R)
• M46: 9,614,057 km (0.102 R)
• M47: 9,697,981 km (0.114 R)
• M48: 10,036,222 km (0.087 R)
• M49: 10,121,343 km (0.107 R)
• M50: 10,275,279 km (0.046 R)
• M51: 10,361,149 km (0.099 R)
• M52: 11,021,474 km (0.109 R)
• M53: 11,197,550 km (0.117 R)
• M54: 11,785,171 km (0.089 R)
• M55: 12,055,494 km (0.066 R)
• M56: 12,236,956 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.7

Radius: 12.8

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.69 AU - 2.15 AU

Year: 1692 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 38,896,638 km

• M1: 166,802 km (0.111 R)
• M2: 290,369 km (0.063 R)
• M3: 489,335 km (0.118 R)
• M4: 757,564 km (0.106 R)
• M5: 849,566 km (0.117 R)
• M6: 1,000,062 km (0.117 R)
• M7: 1,131,259 km (0.085 R)
• M8: 1,968,558 km (0.101 R)
• M9: 2,271,494 km (0.062 R)
• M10: 2,371,575 km (0.098 R)
• M11: 2,668,078 km (0.091 R)
• M12: 2,827,699 km (0.062 R)
• M13: 3,086,952 km (0.1 R)
• M14: 3,198,402 km (0.041 R)
• M15: 3,483,237 km (0.091 R)
• M16: 3,672,927 km (0.105 R)
• M17: 4,092,998 km (0.101 R)
• M18: 4,246,934 km (0.096 R)
• M19: 4,656,084 km (0.042 R)
• M20: 4,849,215 km (0.119 R)
• M21: 4,979,515 km (0.119 R)
• M22: 5,377,445 km (0.103 R)
• M23: 5,580,150 km (0.107 R)
• M24: 5,802,901 km (0.079 R)
• M25: 6,010,992 km (0.116 R)
• M26: 6,257,081 km (0.099 R)
• M27: 6,506,460 km (0.112 R)
• M28: 6,614,320 km (0.05 R)
• M29: 6,813,585 km (0.092 R)
• M30: 6,923,240 km (0.033 R)
• M31: 7,144,196 km (0.098 R)
• M32: 7,330,146 km (0.1 R)
• M33: 7,555,291 km (0.062 R)
• M34: 7,725,832 km (0.036 R)
• M35: 7,821,126 km (0.064 R)
• M36: 7,993,463 km (0.104 R)
• M37: 8,089,954 km (0.091 R)
• M38: 8,735,618 km (0.118 R)
• M39: 8,854,848 km (0.064 R)
• M40: 9,014,618 km (0.064 R)
• M41: 9,195,632 km (0.069 R)
• M42: 9,276,414 km (0.104 R)
• M43: 9,438,728 km (0.077 R)
• M44: 9,807,337 km (0.068 R)
• M45: 9,889,915 km (0.087 R)
• M46: 10,285,452 km (0.112 R)
• M47: 10,580,160 km (0.086 R)
• M48: 10,856,317 km (0.057 R)
• M49: 11,177,953 km (0.092 R)
• M50: 11,372,430 km (0.069 R)
• M51: 11,633,628 km (0.077 R)
• M52: 12,946,050 km (0.113 R)
• M53: 13,104,923 km (0.115 R)
• M54: 13,447,502 km (0.077 R)
• M55: 13,562,393 km (0.096 R)
• M56: 13,677,584 km (0.108 R)
• M57: 14,422,432 km (0.066 R)
• M58: 15,061,214 km (0.06 R)
• M59: 15,636,717 km (0.103 R)
• M60: 15,830,297 km (0.047 R)
• M61: 16,146,397 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.8

Radius: 13.9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.73 AU - 3.29 AU

Year: 3320 Days

Day: 9.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 38,896,638 km

• M1: 175,777 km (0.078 R)
• M2: 301,290 km (0.099 R)
• M3: 392,994 km (0.119 R)
• M4: 581,038 km (0.081 R)
• M5: 932,144 km (0.111 R)
• M6: 1,210,396 km (0.063 R)
• M7: 1,359,994 km (0.086 R)
• M8: 1,459,626 km (0.029 R)
• M9: 1,798,466 km (0.032 R)
• M10: 1,958,685 km (0.082 R)
• M11: 2,227,961 km (0.084 R)
• M12: 2,550,644 km (0.092 R)
• M13: 2,874,224 km (0.118 R)
• M14: 3,286,366 km (0.101 R)
• M15: 3,392,431 km (0.093 R)
• M16: 3,764,930 km (0.093 R)
• M17: 3,892,088 km (0.073 R)
• M18: 4,282,239 km (0.035 R)
• M19: 4,431,837 km (0.064 R)
• M20: 4,634,093 km (0.07 R)
• M21: 4,770,676 km (0.113 R)
• M22: 5,013,025 km (0.067 R)
• M23: 5,135,695 km (0.052 R)
• M24: 5,241,610 km (0.085 R)
• M25: 5,330,471 km (0.062 R)
• M26: 5,437,883 km (0.099 R)
• M27: 5,582,095 km (0.118 R)
• M28: 5,672,901 km (0.061 R)
• M29: 5,800,807 km (0.112 R)
• M30: 6,474,297 km (0.092 R)
• M31: 6,665,782 km (0.108 R)
• M32: 6,762,273 km (0.109 R)
• M33: 7,311,297 km (0.083 R)
• M34: 7,651,632 km (0.117 R)
• M35: 7,874,682 km (0.066 R)
• M36: 8,058,688 km (0.111 R)
• M37: 8,264,983 km (0.114 R)
• M38: 8,452,130 km (0.044 R)
• M39: 8,851,856 km (0.092 R)
• M40: 9,344,033 km (0.118 R)
• M41: 9,801,353 km (0.101 R)
• M42: 10,265,855 km (0.09 R)
• M43: 10,557,122 km (0.065 R)
• M44: 10,669,919 km (0.094 R)
• M45: 10,760,425 km (0.08 R)
• M46: 10,942,187 km (0.091 R)
• M47: 11,056,180 km (0.102 R)
• M48: 11,216,699 km (0.115 R)
• M49: 11,308,701 km (0.074 R)
• M50: 12,030,511 km (0.1 R)
• M51: 12,385,208 km (0.064 R)
• M52: 12,719,260 km (0.026 R)
• M53: 12,959,813 km (0.116 R)
• M54: 13,372,105 km (0.072 R)
• M55: 13,641,231 km (0.104 R)
• M56: 14,011,187 km (0.11 R)
• M57: 14,209,853 km (0.077 R)
• M58: 14,635,010 km (0.067 R)
• M59: 14,912,365 km (0.052 R)
• M60: 15,140,651 km (0.081 R)
• M61: 15,242,527 km (0.079 R)
• M62: 15,858,272 km (0.103 R)
• M63: 16,091,196 km (0.091 R)
• M64: 16,560,634 km (0.075 R)
• M65: 17,915,243 km (0.069 R)
• M66: 18,103,886 km (0.065 R)
• M67: 18,212,045 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.1

Radius: 13.7

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.25 AU - 6.11 AU

Year: 8607 Days

Day: 5.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 38,896,638 km

• M1: 392,096 km (0.106 R)
• M2: 515,664 km (0.105 R)
• M3: 642,822 km (0.112 R)
• M4: 768,185 km (0.113 R)
• M5: 949,946 km (0.04 R)
• M6: 1,322,296 km (0.09 R)
• M7: 1,450,501 km (0.117 R)
• M8: 2,006,556 km (0.079 R)
• M9: 2,134,163 km (0.104 R)
• M10: 2,420,194 km (0.101 R)
• M11: 2,510,701 km (0.074 R)
• M12: 2,672,117 km (0.071 R)
• M13: 2,956,952 km (0.032 R)
• M14: 3,127,792 km (0.042 R)
• M15: 3,377,621 km (0.102 R)
• M16: 3,712,421 km (0.071 R)
• M17: 4,752,126 km (0.095 R)
• M18: 5,186,409 km (0.1 R)
• M19: 5,785,698 km (0.094 R)
• M20: 6,000,670 km (0.089 R)
• M21: 6,822,261 km (0.12 R)
• M22: 6,951,813 km (0.075 R)
• M23: 7,115,024 km (0.094 R)
• M24: 7,478,398 km (0.101 R)
• M25: 7,881,863 km (0.111 R)
• M26: 8,361,623 km (0.087 R)
• M27: 8,605,019 km (0.119 R)
• M28: 9,349,568 km (0.054 R)
• M29: 9,457,577 km (0.095 R)
• M30: 9,602,388 km (0.075 R)
• M31: 9,784,299 km (0.073 R)
• M32: 10,975,996 km (0.119 R)
• M33: 12,449,984 km (0.113 R)
• M34: 12,648,650 km (0.108 R)
• M35: 13,494,177 km (0.07 R)
• M36: 14,026,745 km (0.101 R)
• M37: 14,192,051 km (0.096 R)
• M38: 14,691,857 km (0.057 R)
• M39: 15,155,012 km (0.069 R)
• M40: 15,494,899 km (0.063 R)
• M41: 16,095,833 km (0.112 R)
• M42: 16,486,284 km (0.042 R)
• M43: 16,835,894 km (0.115 R)
• M44: 17,498,014 km (0.12 R)
• M45: 17,765,346 km (0.107 R)
• M46: 18,123,782 km (0.034 R)
• M47: 18,394,105 km (0.093 R)
• M48: 18,665,925 km (0.088 R)
• M49: 19,030,345 km (0.085 R)
• M50: 19,167,676 km (0.033 R)
• M51: 21,029,272 km (0.117 R)
• M52: 21,123,967 km (0.104 R)
• M53: 21,551,368 km (0.079 R)
• M54: 21,885,869 km (0.092 R)
• M55: 21,981,762 km (0.076 R)
• M56: 22,850,925 km (0.114 R)
• M57: 23,094,321 km (0.083 R)
• M58: 23,192,008 km (0.056 R)
• M59: 23,289,696 km (0.117 R)
• M60: 23,387,533 km (0.027 R)
• M61: 23,879,111 km (0.08 R)
• M62: 24,027,213 km (0.102 R)
• M63: 24,622,762 km (0.108 R)
• M64: 24,772,510 km (0.042 R)
• M65: 26,387,568 km (0.081 R)
• M66: 26,848,031 km (0.055 R)
• M67: 27,362,647 km (0.091 R)
• M68: 27,828,645 km (0.075 R)
• M69: 28,297,335 km (0.081 R)
• M70: 28,454,113 km (0.067 R)
• M71: 28,663,700 km (0.101 R)
• M72: 29,031,561 km (0.103 R)
• M73: 29,665,856 km (0.039 R)
• M74: 31,433,654 km (0.111 R)
• M75: 31,595,968 km (0.107 R)
• M76: 31,976,096 km (0.093 R)
• M77: 33,843,526 km (0.051 R)
• M78: 34,121,030 km (0.066 R)
• M79: 34,846,430 km (0.037 R)
• M80: 35,746,112 km (0.102 R)
• M81: 35,972,154 km (0.059 R)
• M82: 36,596,426 km (0.111 R)
• M83: 37,396,177 km (0.046 R)
• M84: 38,432,890 km (0.087 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 14,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit