🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29

Radius: 12.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.1 AU - 1.32 AU

Year: 903 Days

Day: 6 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,780,684 km

• M1: 156,629 km (0.071 R)
• M2: 722,558 km (0.082 R)
• M3: 1,358,049 km (0.097 R)
• M4: 2,076,867 km (0.054 R)
• M5: 3,155,019 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.1

Radius: 13.4

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.99 AU - 1.61 AU

Year: 1005 Days

Day: 7.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,780,684 km

• M1: 166,652 km (0.066 R)
• M2: 662,569 km (0.095 R)
• M3: 1,149,660 km (0.056 R)
• M4: 1,635,105 km (0.103 R)
• M5: 2,388,480 km (0.055 R)
• M6: 2,833,982 km (0.095 R)
• M7: 3,307,609 km (0.099 R)
• M8: 5,057,306 km (0.08 R)
• M9: 5,518,516 km (0.065 R)
• M10: 6,911,272 km (0.054 R)
• M11: 8,210,978 km (0.066 R)
• M12: 9,352,111 km (0.12 R)
• M13: 9,843,091 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.7

Radius: 11.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.28 AU - 1.5 AU

Year: 1112 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,780,684 km

• M1: 148,102 km (0.094 R)
• M2: 939,325 km (0.084 R)
• M3: 1,717,533 km (0.086 R)
• M4: 2,093,473 km (0.12 R)
• M5: 2,571,587 km (0.11 R)
• M6: 3,069,000 km (0.096 R)
• M7: 3,630,142 km (0.103 R)
• M8: 4,079,235 km (0.082 R)
• M9: 4,478,661 km (0.102 R)
• M10: 5,337,652 km (0.082 R)
• M11: 8,367,009 km (0.095 R)
• M12: 9,380,684 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 10.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.47 AU - 1.83 AU

Year: 1438 Days

Day: 13.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,780,684 km

• M1: 126,859 km (0.118 R)
• M2: 486,193 km (0.076 R)
• M3: 837,598 km (0.119 R)
• M4: 1,306,588 km (0.109 R)
• M5: 1,889,122 km (0.11 R)
• M6: 2,405,534 km (0.089 R)
• M7: 2,746,916 km (0.096 R)
• M8: 3,067,056 km (0.103 R)
• M9: 3,426,689 km (0.098 R)
• M10: 3,987,382 km (0.113 R)
• M11: 5,253,728 km (0.114 R)
• M12: 6,213,996 km (0.086 R)
• M13: 6,747,612 km (0.117 R)
• M14: 7,287,211 km (0.062 R)
• M15: 8,373,591 km (0.11 R)
• M16: 9,856,854 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.9

Radius: 11.9

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.8 AU - 2.94 AU

Year: 2475 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,780,684 km

• M1: 148,102 km (0.1 R)
• M2: 560,992 km (0.109 R)
• M3: 1,190,949 km (0.108 R)
• M4: 1,583,344 km (0.118 R)
• M5: 2,166,626 km (0.109 R)
• M6: 2,750,506 km (0.047 R)
• M7: 3,481,292 km (0.091 R)
• M8: 4,185,599 km (0.075 R)
• M9: 4,581,136 km (0.068 R)
• M10: 4,963,957 km (0.109 R)
• M11: 5,528,090 km (0.116 R)
• M12: 6,488,060 km (0.117 R)
• M13: 8,145,155 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.2

Radius: 8.6

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.67 AU - 5.89 AU

Year: 8229 Days

Day: 12.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,780,684 km

• M1: 112,198 km (0.077 R)
• M2: 594,801 km (0.053 R)
• M3: 868,116 km (0.061 R)
• M4: 1,426,864 km (0.082 R)
• M5: 1,700,030 km (0.119 R)
• M6: 2,272,392 km (0.108 R)
• M7: 2,721,484 km (0.097 R)
• M8: 3,270,209 km (0.026 R)
• M9: 3,774,653 km (0.058 R)
• M10: 4,279,546 km (0.108 R)
• M11: 4,856,096 km (0.11 R)
• M12: 5,573,119 km (0.114 R)
• M13: 6,004,410 km (0.098 R)
• M14: 6,625,241 km (0.114 R)
• M15: 7,956,512 km (0.107 R)
• M16: 9,414,643 km (0.105 R)
• M17: 10,434,900 km (0.107 R)
• M18: 13,605,029 km (0.069 R)
• M19: 13,936,837 km (0.12 R)
• M20: 16,289,563 km (0.073 R)
• M21: 17,430,097 km (0.119 R)
• M22: 17,756,070 km (0.107 R)
• M23: 21,392,346 km (0.101 R)
• M24: 22,913,906 km (0.12 R)
• M25: 24,101,563 km (0.105 R)
• M26: 24,506,525 km (0.096 R)
• M27: 26,599,100 km (0.113 R)
• M28: 30,755,976 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.5

Radius: 4.2

Gravity: 41.81 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.13 AU - 8.49 AU

Year: 12053 Days

Day: 16 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,780,684 km

• M1: 52,210 km (0.109 R)
• M2: 239,805 km (0.106 R)
• M3: 439,519 km (0.072 R)
• M4: 879,785 km (0.063 R)
• M5: 1,110,315 km (0.076 R)
• M6: 1,325,587 km (0.082 R)
• M7: 1,789,789 km (0.099 R)
• M8: 1,995,935 km (0.113 R)
• M9: 2,711,162 km (0.076 R)
• M10: 3,400,659 km (0.088 R)
• M11: 4,200,259 km (0.096 R)
• M12: 5,641,485 km (0.088 R)
• M13: 5,786,894 km (0.084 R)
• M14: 7,296,786 km (0.104 R)
• M15: 8,142,163 km (0.117 R)
• M16: 8,564,628 km (0.058 R)
• M17: 9,100,637 km (0.081 R)
• M18: 9,351,363 km (0.106 R)
• M19: 12,546,175 km (0.084 R)
• M20: 18,956,444 km (0.11 R)
• M21: 19,530,900 km (0.12 R)
• M22: 21,148,501 km (0.106 R)
• M23: 25,037,148 km (0.119 R)
• M24: 26,129,063 km (0.11 R)
• M25: 26,533,875 km (0.097 R)
• M26: 27,045,649 km (0.06 R)
• M27: 30,034,465 km (0.109 R)
• M28: 31,266,404 km (0.119 R)
• M29: 31,608,235 km (0.061 R)
• M30: 39,505,656 km (0.067 R)
• M31: 41,255,951 km (0.102 R)
• M32: 44,477,990 km (0.106 R)
• M33: 45,490,917 km (0.091 R)
• M34: 48,621,851 km (0.109 R)
• M35: 49,080,518 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.1

Radius: 3.5

Gravity: 48.74 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.77 AU - 7.93 AU

Year: 14917 Days

Day: 23.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,780,684 km

• M1: 44,580 km (0.105 R)
• M2: 168,746 km (0.025 R)
• M3: 326,722 km (0.112 R)
• M4: 1,057,507 km (0.108 R)
• M5: 1,206,357 km (0.071 R)
• M6: 1,426,416 km (0.11 R)
• M7: 1,738,327 km (0.101 R)
• M8: 2,132,218 km (0.115 R)
• M9: 2,807,354 km (0.064 R)
• M10: 3,044,915 km (0.061 R)
• M11: 3,837,933 km (0.116 R)
• M12: 3,953,273 km (0.034 R)
• M13: 4,100,627 km (0.105 R)
• M14: 4,564,680 km (0.107 R)
• M15: 5,272,128 km (0.059 R)
• M16: 5,596,456 km (0.107 R)
• M17: 5,857,953 km (0.059 R)
• M18: 7,555,440 km (0.042 R)
• M19: 7,782,530 km (0.108 R)
• M20: 8,936,827 km (0.091 R)
• M21: 9,554,666 km (0.1 R)
• M22: 11,047,952 km (0.103 R)
• M23: 12,374,437 km (0.044 R)
• M24: 15,483,679 km (0.063 R)
• M25: 15,998,295 km (0.114 R)
• M26: 18,743,566 km (0.09 R)
• M27: 20,797,395 km (0.108 R)
• M28: 22,807,392 km (0.063 R)
• M29: 23,281,617 km (0.109 R)
• M30: 26,162,573 km (0.03 R)
• M31: 26,369,617 km (0.117 R)
• M32: 30,742,961 km (0.086 R)
• M33: 33,342,673 km (0.106 R)
• M34: 33,585,919 km (0.112 R)
• M35: 35,829,737 km (0.078 R)
• M36: 51,097,696 km (0.06 R)
• M37: 53,557,085 km (0.085 R)
• M38: 54,562,532 km (0.12 R)
• M39: 59,600,091 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.2

Radius: 5.1

Gravity: 20.35 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.98 AU - 11.56 AU

Year: 23973 Days

Day: 23.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,780,684 km

• M1: 67,768 km (0.074 R)
• M2: 298,448 km (0.119 R)
• M3: 731,683 km (0.03 R)
• M4: 901,626 km (0.077 R)
• M5: 1,578,706 km (0.063 R)
• M6: 1,963,472 km (0.12 R)
• M7: 2,454,153 km (0.079 R)
• M8: 3,705,539 km (0.113 R)
• M9: 3,891,190 km (0.115 R)
• M10: 4,697,074 km (0.108 R)
• M11: 4,877,938 km (0.117 R)
• M12: 5,689,656 km (0.109 R)
• M13: 6,278,473 km (0.054 R)
• M14: 9,727,003 km (0.1 R)
• M15: 9,903,080 km (0.089 R)
• M16: 10,141,090 km (0.111 R)
• M17: 12,117,428 km (0.061 R)
• M18: 13,375,546 km (0.075 R)
• M19: 14,641,293 km (0.077 R)
• M20: 15,422,044 km (0.062 R)
• M21: 19,466,573 km (0.113 R)
• M22: 20,698,661 km (0.077 R)
• M23: 22,387,172 km (0.069 R)
• M24: 23,212,503 km (0.032 R)
• M25: 25,475,620 km (0.109 R)
• M26: 27,646,135 km (0.103 R)
• M27: 28,836,635 km (0.108 R)
• M28: 30,811,776 km (0.089 R)
• M29: 37,996,513 km (0.105 R)
• M30: 39,317,911 km (0.098 R)
• M31: 41,587,909 km (0.07 R)
• M32: 42,519,754 km (0.039 R)
• M33: 42,990,987 km (0.087 R)
• M34: 43,943,776 km (0.099 R)
• M35: 44,748,313 km (0.114 R)
• M36: 48,747,663 km (0.038 R)
• M37: 53,160,202 km (0.064 R)
• M38: 57,639,760 km (0.113 R)
• M39: 63,994,977 km (0.113 R)
• M40: 65,028,250 km (0.102 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 12,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit