🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.41 AU - 0.61 AU

Year: 239 Days

Day: 43.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,834,019 km

• M1: 228,735 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.52 AU - 0.56 AU

Year: 260 Days

Day: 18.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.5

Radius: 9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.7 AU - 0.98 AU

Year: 505 Days

Day: 9.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 26,834,019 km

• M1: 120,426 km (0.093 R)
• M2: 194,477 km (0.118 R)
• M3: 261,347 km (0.07 R)
• M4: 340,335 km (0.052 R)
• M5: 421,268 km (0.043 R)
• M6: 525,388 km (0.099 R)
• M7: 666,309 km (0.118 R)
• M8: 729,290 km (0.1 R)
• M9: 935,286 km (0.108 R)
• M10: 1,067,979 km (0.115 R)
• M11: 1,168,509 km (0.117 R)
• M12: 1,268,141 km (0.096 R)
• M13: 1,434,195 km (0.072 R)
• M14: 1,508,395 km (0.09 R)
• M15: 1,569,581 km (0.093 R)
• M16: 1,636,601 km (0.069 R)
• M17: 1,714,242 km (0.081 R)
• M18: 1,793,230 km (0.041 R)
• M19: 2,084,497 km (0.082 R)
• M20: 2,174,405 km (0.068 R)
• M21: 2,297,973 km (0.084 R)
• M22: 2,541,219 km (0.045 R)
• M23: 2,660,299 km (0.057 R)
• M24: 2,740,633 km (0.083 R)
• M25: 2,892,176 km (0.079 R)
• M26: 2,974,903 km (0.077 R)
• M27: 3,070,496 km (0.103 R)
• M28: 3,130,784 km (0.112 R)
• M29: 3,381,959 km (0.109 R)
• M30: 3,444,341 km (0.076 R)
• M31: 3,601,718 km (0.096 R)
• M32: 3,716,460 km (0.089 R)
• M33: 3,826,115 km (0.115 R)
• M34: 3,962,997 km (0.096 R)
• M35: 4,248,280 km (0.117 R)
• M36: 4,322,481 km (0.076 R)
• M37: 4,417,326 km (0.086 R)
• M38: 4,485,543 km (0.107 R)
• M39: 4,554,208 km (0.115 R)
• M40: 4,636,936 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.5

Radius: 13.6

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.9 AU - 1.04 AU

Year: 627 Days

Day: 6.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 26,834,019 km

• M1: 170,542 km (0.115 R)
• M2: 261,198 km (0.086 R)
• M3: 370,404 km (0.041 R)
• M4: 472,879 km (0.119 R)
• M5: 565,480 km (0.104 R)
• M6: 697,126 km (0.088 R)
• M7: 800,349 km (0.086 R)
• M8: 885,171 km (0.077 R)
• M9: 1,006,195 km (0.102 R)
• M10: 1,125,724 km (0.108 R)
• M11: 1,226,553 km (0.092 R)
• M12: 1,421,479 km (0.1 R)
• M13: 1,579,155 km (0.115 R)
• M14: 1,693,597 km (0.081 R)
• M15: 1,889,122 km (0.057 R)
• M16: 2,092,575 km (0.091 R)
• M17: 2,204,325 km (0.118 R)
• M18: 2,303,358 km (0.036 R)
• M19: 2,413,911 km (0.043 R)
• M20: 2,500,678 km (0.105 R)
• M21: 2,604,200 km (0.103 R)
• M22: 2,746,168 km (0.091 R)
• M23: 2,831,588 km (0.088 R)
• M24: 2,928,827 km (0.059 R)
• M25: 3,076,779 km (0.118 R)
• M26: 3,289,358 km (0.058 R)
• M27: 3,512,708 km (0.047 R)
• M28: 3,599,923 km (0.054 R)
• M29: 3,896,127 km (0.094 R)
• M30: 3,992,618 km (0.089 R)
• M31: 4,138,924 km (0.101 R)
• M32: 4,231,226 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 14.5

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.22 AU - 1.3 AU

Year: 928 Days

Day: 11.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 26,834,019 km

• M1: 180,415 km (0.11 R)
• M2: 274,662 km (0.12 R)
• M3: 471,383 km (0.033 R)
• M4: 585,676 km (0.08 R)
• M5: 779,255 km (0.062 R)
• M6: 872,006 km (0.092 R)
• M7: 996,621 km (0.072 R)
• M8: 1,095,356 km (0.058 R)
• M9: 1,201,420 km (0.059 R)
• M10: 1,292,226 km (0.114 R)
• M11: 1,538,165 km (0.082 R)
• M12: 1,756,728 km (0.051 R)
• M13: 1,923,230 km (0.106 R)
• M14: 2,239,331 km (0.039 R)
• M15: 2,358,261 km (0.095 R)
• M16: 2,469,412 km (0.116 R)
• M17: 2,567,698 km (0.059 R)
• M18: 2,722,681 km (0.113 R)
• M19: 2,875,720 km (0.056 R)
• M20: 3,031,601 km (0.099 R)
• M21: 3,169,231 km (0.094 R)
• M22: 3,325,112 km (0.094 R)
• M23: 3,511,212 km (0.074 R)
• M24: 3,639,118 km (0.101 R)
• M25: 3,734,711 km (0.105 R)
• M26: 3,825,517 km (0.049 R)
• M27: 3,986,185 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.9

Radius: 12.6

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.47 AU - 2.29 AU

Year: 1691 Days

Day: 11.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 26,834,019 km

• M1: 171,589 km (0.097 R)
• M2: 279,598 km (0.044 R)
• M3: 365,019 km (0.057 R)
• M4: 447,896 km (0.043 R)
• M5: 569,818 km (0.085 R)
• M6: 665,262 km (0.1 R)
• M7: 882,029 km (0.089 R)
• M8: 1,082,789 km (0.094 R)
• M9: 1,164,320 km (0.114 R)
• M10: 1,351,318 km (0.037 R)
• M11: 1,567,187 km (0.066 R)
• M12: 1,679,386 km (0.071 R)
• M13: 2,177,098 km (0.096 R)
• M14: 2,367,386 km (0.043 R)
• M15: 2,508,457 km (0.082 R)
• M16: 2,629,931 km (0.091 R)
• M17: 2,948,275 km (0.098 R)
• M18: 3,147,838 km (0.108 R)
• M19: 3,376,125 km (0.059 R)
• M20: 3,900,316 km (0.096 R)
• M21: 4,343,574 km (0.097 R)
• M22: 4,436,774 km (0.062 R)
• M23: 4,789,226 km (0.099 R)
• M24: 4,927,305 km (0.065 R)
• M25: 5,136,742 km (0.077 R)
• M26: 5,278,112 km (0.065 R)
• M27: 5,406,467 km (0.092 R)
• M28: 5,768,494 km (0.116 R)
• M29: 5,856,457 km (0.089 R)
• M30: 6,108,530 km (0.065 R)
• M31: 6,318,715 km (0.12 R)
• M32: 6,470,407 km (0.068 R)
• M33: 6,638,555 km (0.098 R)
• M34: 6,792,791 km (0.119 R)
• M35: 7,151,975 km (0.098 R)
• M36: 7,262,528 km (0.098 R)
• M37: 7,501,436 km (0.113 R)
• M38: 7,694,417 km (0.041 R)
• M39: 7,905,499 km (0.095 R)
• M40: 8,052,554 km (0.061 R)
• M41: 8,432,832 km (0.111 R)
• M42: 8,549,818 km (0.075 R)
• M43: 8,954,779 km (0.118 R)
• M44: 9,108,266 km (0.114 R)
• M45: 9,348,820 km (0.111 R)
• M46: 9,487,198 km (0.114 R)
• M47: 9,748,545 km (0.113 R)
• M48: 9,889,018 km (0.081 R)
• M49: 10,153,955 km (0.062 R)
• M50: 10,278,421 km (0.056 R)
• M51: 10,727,215 km (0.067 R)
• M52: 11,200,692 km (0.117 R)
• M53: 11,514,099 km (0.12 R)
• M54: 12,036,495 km (0.096 R)
• M55: 12,206,139 km (0.1 R)
• M56: 12,471,376 km (0.056 R)
• M57: 12,892,344 km (0.103 R)
• M58: 13,027,282 km (0.115 R)

Asteroid Belt

Center: 2.28 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793

Radius: 14.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.45 AU - 2.89 AU

Year: 2862 Days

Day: 10.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 26,834,019 km

• M1: 194,627 km (0.112 R)
• M2: 327,171 km (0.109 R)
• M3: 451,187 km (0.119 R)
• M4: 651,349 km (0.111 R)
• M5: 793,916 km (0.086 R)
• M6: 916,736 km (0.042 R)
• M7: 1,137,093 km (0.12 R)
• M8: 1,476,531 km (0.062 R)
• M9: 1,766,152 km (0.107 R)
• M10: 2,161,839 km (0.116 R)
• M11: 2,280,320 km (0.119 R)
• M12: 2,446,673 km (0.1 R)
• M13: 2,856,571 km (0.091 R)
• M14: 3,086,354 km (0.115 R)
• M15: 3,477,552 km (0.106 R)
• M16: 3,617,426 km (0.087 R)
• M17: 3,939,062 km (0.115 R)
• M18: 4,401,319 km (0.095 R)
• M19: 4,515,013 km (0.044 R)
• M20: 4,959,618 km (0.028 R)
• M21: 5,317,606 km (0.107 R)
• M22: 5,459,125 km (0.108 R)
• M23: 5,581,347 km (0.113 R)
• M24: 6,185,573 km (0.108 R)
• M25: 6,291,937 km (0.049 R)
• M26: 6,636,311 km (0.093 R)
• M27: 6,766,910 km (0.05 R)
• M28: 7,186,682 km (0.044 R)
• M29: 7,501,436 km (0.068 R)
• M30: 7,592,242 km (0.081 R)
• M31: 7,797,789 km (0.068 R)
• M32: 7,912,830 km (0.074 R)
• M33: 8,098,032 km (0.084 R)
• M34: 9,215,378 km (0.103 R)
• M35: 9,361,536 km (0.05 R)
• M36: 9,557,509 km (0.099 R)
• M37: 9,705,461 km (0.092 R)
• M38: 10,128,823 km (0.116 R)
• M39: 10,380,746 km (0.107 R)
• M40: 10,916,456 km (0.046 R)
• M41: 11,148,931 km (0.092 R)
• M42: 11,252,752 km (0.087 R)
• M43: 11,382,902 km (0.082 R)
• M44: 11,618,668 km (0.118 R)
• M45: 11,750,314 km (0.115 R)
• M46: 12,604,518 km (0.101 R)
• M47: 12,930,043 km (0.104 R)
• M48: 13,258,410 km (0.114 R)
• M49: 13,368,515 km (0.113 R)
• M50: 13,672,797 km (0.103 R)
• M51: 14,119,496 km (0.117 R)
• M52: 14,259,968 km (0.106 R)
• M53: 14,485,861 km (0.047 R)
• M54: 14,599,256 km (0.047 R)
• M55: 14,884,091 km (0.099 R)
• M56: 15,113,274 km (0.104 R)
• M57: 15,228,315 km (0.099 R)
• M58: 15,633,127 km (0.078 R)
• M59: 15,807,857 km (0.069 R)
• M60: 16,424,051 km (0.047 R)
• M61: 16,869,105 km (0.101 R)
• M62: 17,408,405 km (0.091 R)
• M63: 17,680,224 km (0.054 R)
• M64: 18,719,780 km (0.106 R)
• M65: 18,874,315 km (0.106 R)
• M66: 19,029,298 km (0.099 R)
• M67: 19,309,345 km (0.066 R)
• M68: 19,465,525 km (0.116 R)
• M69: 19,559,473 km (0.107 R)
• M70: 19,905,044 km (0.113 R)
• M71: 20,252,709 km (0.048 R)
• M72: 20,570,455 km (0.039 R)
• M73: 20,921,861 km (0.086 R)
• M74: 21,404,463 km (0.053 R)
• M75: 21,760,656 km (0.025 R)
• M76: 21,858,044 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.5

Radius: 10.2

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.94 AU - 4.5 AU

Year: 4707 Days

Day: 13.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 26,834,019 km

• M1: 133,591 km (0.099 R)
• M2: 208,091 km (0.1 R)
• M3: 272,567 km (0.119 R)
• M4: 381,774 km (0.101 R)
• M5: 549,174 km (0.078 R)
• M6: 731,234 km (0.115 R)
• M7: 847,921 km (0.056 R)
• M8: 1,250,937 km (0.032 R)
• M9: 1,335,610 km (0.116 R)
• M10: 1,510,938 km (0.118 R)
• M11: 1,647,521 km (0.083 R)
• M12: 1,740,870 km (0.119 R)
• M13: 1,949,559 km (0.096 R)
• M14: 2,217,639 km (0.054 R)
• M15: 2,338,664 km (0.076 R)
• M16: 2,479,884 km (0.078 R)
• M17: 2,826,502 km (0.113 R)
• M18: 2,901,600 km (0.064 R)
• M19: 3,606,505 km (0.031 R)
• M20: 4,020,443 km (0.076 R)
• M21: 4,083,872 km (0.072 R)
• M22: 4,147,601 km (0.074 R)
• M23: 4,297,648 km (0.088 R)
• M24: 4,537,303 km (0.076 R)
• M25: 4,669,847 km (0.115 R)
• M26: 5,075,108 km (0.105 R)
• M27: 5,212,738 km (0.066 R)
• M28: 5,468,401 km (0.065 R)
• M29: 5,680,680 km (0.118 R)
• M30: 5,823,696 km (0.05 R)
• M31: 6,706,772 km (0.089 R)
• M32: 7,215,255 km (0.08 R)
• M33: 7,657,466 km (0.093 R)
• M34: 7,842,070 km (0.091 R)
• M35: 8,001,541 km (0.094 R)
• M36: 8,081,726 km (0.104 R)
• M37: 8,242,693 km (0.103 R)
• M38: 8,622,672 km (0.1 R)
• M39: 9,063,985 km (0.066 R)
• M40: 9,287,335 km (0.041 R)
• M41: 9,371,708 km (0.08 R)
• M42: 9,456,231 km (0.108 R)
• M43: 10,402,587 km (0.056 R)
• M44: 10,754,142 km (0.084 R)
• M45: 11,109,736 km (0.12 R)
• M46: 11,923,848 km (0.1 R)
• M47: 13,672,946 km (0.104 R)
• M48: 14,708,014 km (0.117 R)
• M49: 14,839,211 km (0.081 R)
• M50: 15,500,883 km (0.108 R)
• M51: 15,768,214 km (0.072 R)
• M52: 16,477,308 km (0.1 R)
• M53: 16,784,432 km (0.05 R)
• M54: 17,024,537 km (0.118 R)
• M55: 17,127,909 km (0.066 R)
• M56: 17,369,659 km (0.053 R)
• M57: 17,961,618 km (0.067 R)
• M58: 18,879,700 km (0.037 R)
• M59: 19,344,501 km (0.048 R)
• M60: 19,416,308 km (0.089 R)
• M61: 19,668,530 km (0.067 R)
• M62: 19,921,799 km (0.033 R)
• M63: 20,285,471 km (0.114 R)
• M64: 20,577,935 km (0.083 R)
• M65: 21,986,399 km (0.113 R)
• M66: 22,211,544 km (0.118 R)
• M67: 22,550,832 km (0.099 R)
• M68: 23,043,906 km (0.032 R)
• M69: 24,311,599 km (0.053 R)
• M70: 24,427,986 km (0.107 R)
• M71: 25,523,042 km (0.091 R)
• M72: 26,713,991 km (0.089 R)
• M73: 26,794,026 km (0.068 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 10,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit