🌌 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: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.46 AU - 0.58 AU

Year: 242 Days

Day: 34.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 14,934,686 km

• M1: 361,129 km (0.089 R)
• M2: 663,766 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.5 AU - 0.54 AU

Year: 242 Days

Day: 20.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.59 AU - 0.65 AU

Year: 315 Days

Day: 12.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406

Radius: 11.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.77 AU - 1.03 AU

Year: 551 Days

Day: 13.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 14,934,686 km

• M1: 154,385 km (0.114 R)
• M2: 225,444 km (0.101 R)
• M3: 316,399 km (0.114 R)
• M4: 408,552 km (0.054 R)
• M5: 537,056 km (0.109 R)
• M6: 643,121 km (0.052 R)
• M7: 765,343 km (0.106 R)
• M8: 887,415 km (0.113 R)
• M9: 989,440 km (0.101 R)
• M10: 1,090,868 km (0.116 R)
• M11: 1,294,919 km (0.044 R)
• M12: 1,422,526 km (0.063 R)
• M13: 1,554,471 km (0.095 R)
• M14: 1,641,089 km (0.119 R)
• M15: 1,830,928 km (0.049 R)
• M16: 1,957,787 km (0.036 R)
• M17: 2,040,066 km (0.105 R)
• M18: 2,374,717 km (0.098 R)
• M19: 2,469,113 km (0.098 R)
• M20: 2,648,780 km (0.107 R)
• M21: 2,779,828 km (0.09 R)
• M22: 2,866,146 km (0.081 R)
• M23: 2,946,629 km (0.081 R)
• M24: 3,028,011 km (0.047 R)
• M25: 3,103,258 km (0.094 R)
• M26: 3,199,898 km (0.051 R)
• M27: 3,276,493 km (0.12 R)
• M28: 3,467,230 km (0.108 R)
• M29: 3,582,121 km (0.103 R)
• M30: 3,690,879 km (0.036 R)
• M31: 3,764,182 km (0.045 R)
• M32: 3,837,784 km (0.104 R)
• M33: 4,259,351 km (0.1 R)
• M34: 4,336,244 km (0.112 R)
• M35: 4,460,261 km (0.1 R)
• M36: 4,546,130 km (0.111 R)
• M37: 4,624,818 km (0.114 R)
• M38: 4,839,342 km (0.096 R)
• M39: 4,992,231 km (0.085 R)
• M40: 5,154,993 km (0.042 R)
• M41: 5,552,774 km (0.09 R)
• M42: 5,636,997 km (0.088 R)
• M43: 5,755,479 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.2

Radius: 11.8

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.83 AU - 1.25 AU

Year: 685 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 14,934,686 km

• M1: 156,779 km (0.12 R)
• M2: 237,262 km (0.065 R)
• M3: 323,281 km (0.089 R)
• M4: 402,867 km (0.038 R)
• M5: 483,500 km (0.037 R)
• M6: 610,359 km (0.115 R)
• M7: 702,063 km (0.1 R)
• M8: 783,444 km (0.068 R)
• M9: 893,099 km (0.101 R)
• M10: 985,551 km (0.098 R)
• M11: 1,099,245 km (0.074 R)
• M12: 1,340,547 km (0.084 R)
• M13: 1,428,211 km (0.115 R)
• M14: 1,514,678 km (0.083 R)
• M15: 1,647,671 km (0.116 R)
• M16: 1,788,293 km (0.096 R)
• M17: 1,885,532 km (0.109 R)
• M18: 1,966,165 km (0.103 R)
• M19: 2,055,624 km (0.118 R)
• M20: 2,157,800 km (0.045 R)
• M21: 2,257,881 km (0.084 R)
• M22: 2,383,244 km (0.113 R)
• M23: 2,571,737 km (0.064 R)
• M24: 2,707,123 km (0.052 R)
• M25: 2,828,148 km (0.079 R)
• M26: 2,946,629 km (0.045 R)

Asteroid Belt

Center: 1.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422

Radius: 14.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.4 AU - 2.18 AU

Year: 1546 Days

Day: 9.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 14,934,686 km

• M1: 190,737 km (0.111 R)
• M2: 310,715 km (0.09 R)
• M3: 437,275 km (0.099 R)
• M4: 540,048 km (0.101 R)
• M5: 654,042 km (0.037 R)
• M6: 804,089 km (0.091 R)
• M7: 904,768 km (0.109 R)
• M8: 1,039,256 km (0.108 R)
• M9: 1,135,597 km (0.084 R)
• M10: 1,274,424 km (0.1 R)
• M11: 1,452,595 km (0.09 R)
• M12: 1,579,155 km (0.083 R)
• M13: 1,691,952 km (0.103 R)
• M14: 1,834,967 km (0.114 R)
• M15: 2,181,436 km (0.119 R)
• M16: 2,367,685 km (0.098 R)
• M17: 2,830,392 km (0.099 R)
• M18: 3,132,879 km (0.077 R)
• M19: 3,321,821 km (0.113 R)
• M20: 3,503,283 km (0.077 R)
• M21: 3,641,511 km (0.088 R)
• M22: 3,758,048 km (0.118 R)
• M23: 3,875,931 km (0.08 R)
• M24: 4,225,093 km (0.117 R)
• M25: 4,941,068 km (0.051 R)
• M26: 5,044,590 km (0.112 R)
• M27: 5,175,189 km (0.069 R)
• M28: 5,280,356 km (0.113 R)
• M29: 5,426,214 km (0.11 R)
• M30: 5,803,799 km (0.067 R)
• M31: 6,037,172 km (0.073 R)
• M32: 6,343,847 km (0.07 R)
• M33: 6,655,759 km (0.108 R)
• M34: 6,914,862 km (0.072 R)
• M35: 7,118,615 km (0.108 R)
• M36: 7,309,651 km (0.109 R)
• M37: 7,562,023 km (0.107 R)
• M38: 7,711,770 km (0.031 R)
• M39: 7,892,933 km (0.085 R)
• M40: 8,029,666 km (0.109 R)
• M41: 8,244,039 km (0.082 R)
• M42: 8,678,472 km (0.111 R)
• M43: 8,882,822 km (0.094 R)
• M44: 9,472,986 km (0.118 R)
• M45: 9,667,014 km (0.037 R)
• M46: 9,797,314 km (0.098 R)
• M47: 9,928,063 km (0.079 R)
• M48: 11,267,712 km (0.077 R)
• M49: 11,404,743 km (0.115 R)
• M50: 11,646,045 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.4

Radius: 10.3

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.9 AU - 2.14 AU

Year: 1854 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 14,934,686 km

• M1: 133,142 km (0.064 R)
• M2: 225,145 km (0.077 R)
• M3: 321,486 km (0.117 R)
• M4: 385,663 km (0.114 R)
• M5: 461,659 km (0.069 R)
• M6: 590,912 km (0.076 R)
• M7: 786,436 km (0.065 R)
• M8: 888,462 km (0.091 R)
• M9: 1,195,137 km (0.117 R)
• M10: 1,584,241 km (0.11 R)
• M11: 1,947,016 km (0.102 R)
• M12: 2,066,395 km (0.072 R)
• M13: 2,188,318 km (0.109 R)
• M14: 2,335,522 km (0.086 R)
• M15: 2,404,636 km (0.075 R)
• M16: 2,486,167 km (0.052 R)
• M17: 2,568,595 km (0.095 R)
• M18: 3,482,788 km (0.118 R)
• M19: 3,615,332 km (0.116 R)
• M20: 3,695,666 km (0.095 R)
• M21: 3,803,825 km (0.104 R)
• M22: 4,050,961 km (0.109 R)
• M23: 4,331,756 km (0.104 R)
• M24: 4,460,261 km (0.101 R)
• M25: 4,677,177 km (0.117 R)
• M26: 4,779,652 km (0.098 R)
• M27: 4,868,064 km (0.043 R)
• M28: 4,971,885 km (0.056 R)
• M29: 5,287,836 km (0.112 R)
• M30: 5,486,801 km (0.113 R)
• M31: 5,579,402 km (0.114 R)
• M32: 5,672,602 km (0.119 R)
• M33: 5,829,081 km (0.119 R)
• M34: 6,002,914 km (0.1 R)
• M35: 6,130,371 km (0.084 R)
• M36: 6,258,726 km (0.084 R)
• M37: 6,355,666 km (0.099 R)
• M38: 6,501,823 km (0.111 R)
• M39: 6,814,333 km (0.104 R)
• M40: 6,914,114 km (0.042 R)
• M41: 7,131,779 km (0.12 R)
• M42: 7,368,892 km (0.07 R)
• M43: 7,505,475 km (0.075 R)
• M44: 7,798,537 km (0.062 R)
• M45: 7,920,310 km (0.109 R)
• M46: 8,183,452 km (0.106 R)
• M47: 8,360,576 km (0.096 R)
• M48: 8,538,897 km (0.071 R)
• M49: 8,772,569 km (0.082 R)
• M50: 9,008,335 km (0.117 R)
• M51: 9,283,146 km (0.112 R)
• M52: 9,375,299 km (0.095 R)
• M53: 9,579,200 km (0.103 R)
• M54: 9,728,499 km (0.098 R)
• M55: 10,180,733 km (0.117 R)
• M56: 10,543,808 km (0.044 R)
• M57: 10,736,490 km (0.079 R)
• M58: 10,872,175 km (0.064 R)
• M59: 11,164,788 km (0.073 R)
• M60: 11,420,451 km (0.092 R)
• M61: 12,078,083 km (0.108 R)
• M62: 12,584,622 km (0.086 R)
• M63: 12,994,669 km (0.078 R)
• M64: 13,451,093 km (0.1 R)
• M65: 13,534,568 km (0.082 R)
• M66: 13,681,174 km (0.095 R)
• M67: 13,912,602 km (0.101 R)
• M68: 14,166,470 km (0.026 R)
• M69: 14,272,834 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 10.4

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.14 AU - 3.12 AU

Year: 2754 Days

Day: 10.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 14,934,686 km

• M1: 138,079 km (0.116 R)
• M2: 247,734 km (0.088 R)
• M3: 320,289 km (0.108 R)
• M4: 489,783 km (0.117 R)
• M5: 633,098 km (0.119 R)
• M6: 823,237 km (0.07 R)
• M7: 904,918 km (0.117 R)
• M8: 1,574,518 km (0.05 R)
• M9: 1,688,511 km (0.039 R)
• M10: 1,881,044 km (0.097 R)
• M11: 2,218,088 km (0.114 R)
• M12: 2,441,437 km (0.114 R)
• M13: 2,513,543 km (0.102 R)
• M14: 2,709,517 km (0.066 R)
• M15: 3,529,163 km (0.103 R)
• M16: 3,749,072 km (0.116 R)
• M17: 3,888,946 km (0.088 R)
• M18: 4,509,478 km (0.118 R)
• M19: 4,613,449 km (0.091 R)
• M20: 4,688,248 km (0.073 R)
• M21: 4,808,824 km (0.104 R)
• M22: 4,884,670 km (0.117 R)
• M23: 4,960,815 km (0.103 R)
• M24: 5,254,326 km (0.056 R)
• M25: 5,379,539 km (0.082 R)
• M26: 5,521,657 km (0.096 R)
• M27: 5,696,986 km (0.109 R)
• M28: 5,890,416 km (0.029 R)
• M29: 6,184,825 km (0.119 R)
• M30: 6,317,069 km (0.068 R)
• M31: 6,400,395 km (0.089 R)
• M32: 6,500,626 km (0.114 R)
• M33: 6,770,800 km (0.089 R)
• M34: 6,924,437 km (0.071 R)
• M35: 7,027,510 km (0.076 R)
• M36: 7,217,648 km (0.049 R)
• M37: 7,603,312 km (0.041 R)
• M38: 7,780,884 km (0.052 R)
• M39: 7,887,997 km (0.11 R)
• M40: 8,103,866 km (0.106 R)
• M41: 8,523,039 km (0.065 R)
• M42: 8,651,993 km (0.112 R)
• M43: 8,763,144 km (0.048 R)
• M44: 8,930,694 km (0.092 R)
• M45: 9,042,892 km (0.057 R)
• M46: 9,117,990 km (0.117 R)
• M47: 9,458,625 km (0.052 R)
• M48: 9,649,661 km (0.062 R)
• M49: 10,308,789 km (0.064 R)
• M50: 10,663,635 km (0.119 R)
• M51: 11,143,097 km (0.12 R)
• M52: 11,344,904 km (0.111 R)
• M53: 11,486,873 km (0.063 R)
• M54: 11,609,094 km (0.099 R)
• M55: 11,731,764 km (0.106 R)
• M56: 12,413,931 km (0.098 R)
• M57: 12,833,553 km (0.065 R)
• M58: 13,045,234 km (0.119 R)
• M59: 13,194,083 km (0.085 R)
• M60: 13,386,317 km (0.098 R)
• M61: 13,471,887 km (0.098 R)
• M62: 13,643,924 km (0.102 R)
• M63: 14,077,010 km (0.094 R)
• M64: 14,251,591 km (0.11 R)
• M65: 14,448,761 km (0.092 R)
• M66: 14,691,109 km (0.111 R)
• M67: 14,757,381 km (0.118 R)
• M68: 14,868,084 km (0.09 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 13,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit