🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.4

Radius: 9.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.88 AU - 1.34 AU

Year: 755 Days

Day: 8.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,991,657 km

• M1: 116,836 km (0.028 R)
• M2: 534,064 km (0.088 R)
• M3: 841,338 km (0.118 R)
• M4: 1,195,736 km (0.106 R)
• M5: 1,628,822 km (0.092 R)
• M6: 1,963,173 km (0.077 R)
• M7: 2,325,200 km (0.07 R)
• M8: 3,207,977 km (0.072 R)
• M9: 3,700,902 km (0.075 R)
• M10: 4,868,812 km (0.072 R)
• M11: 5,808,137 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.4

Radius: 14.3

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.57 AU - 1.99 AU

Year: 1533 Days

Day: 12.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,991,657 km

• M1: 178,919 km (0.062 R)
• M2: 631,004 km (0.112 R)
• M3: 1,076,207 km (0.118 R)
• M4: 3,400,060 km (0.077 R)
• M5: 4,008,924 km (0.107 R)
• M6: 4,555,405 km (0.115 R)
• M7: 6,477,289 km (0.069 R)
• M8: 6,975,001 km (0.065 R)
• M9: 7,633,231 km (0.066 R)
• M10: 8,246,583 km (0.049 R)
• M11: 8,952,834 km (0.11 R)
• M12: 9,795,519 km (0.106 R)
• M13: 10,453,301 km (0.074 R)
• M14: 13,146,960 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.4

Radius: 10

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.49 AU - 3.51 AU

Year: 3355 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 74.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,991,657 km

• M1: 124,914 km (0.036 R)
• M2: 478,264 km (0.097 R)
• M3: 913,594 km (0.043 R)
• M4: 1,367,624 km (0.117 R)
• M5: 2,074,025 km (0.108 R)
• M6: 3,275,146 km (0.115 R)
• M7: 4,331,457 km (0.114 R)
• M8: 5,313,567 km (0.113 R)
• M9: 5,654,201 km (0.092 R)
• M10: 7,040,525 km (0.061 R)
• M11: 11,135,168 km (0.099 R)
• M12: 11,915,171 km (0.036 R)
• M13: 12,363,965 km (0.103 R)
• M14: 22,163,523 km (0.103 R)
• M15: 22,569,532 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.7

Radius: 14.2

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.72 AU - 3.58 AU

Year: 3610 Days

Day: 14 Hours

Environment

Temp: -195 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,991,657 km

• M1: 180,565 km (0.047 R)
• M2: 685,906 km (0.101 R)
• M3: 1,285,195 km (0.079 R)
• M4: 2,393,416 km (0.029 R)
• M5: 2,946,629 km (0.076 R)
• M6: 3,439,255 km (0.11 R)
• M7: 4,398,925 km (0.07 R)
• M8: 5,284,844 km (0.078 R)
• M9: 6,396,356 km (0.104 R)
• M10: 8,135,731 km (0.094 R)
• M11: 8,632,994 km (0.072 R)
• M12: 10,516,730 km (0.081 R)
• M13: 11,596,677 km (0.12 R)
• M14: 13,651,254 km (0.109 R)
• M15: 17,146,459 km (0.116 R)
• M16: 18,022,055 km (0.094 R)
• M17: 18,985,017 km (0.103 R)
• M18: 19,508,460 km (0.062 R)
• M19: 20,041,627 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.8

Radius: 12.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.52 AU - 6.72 AU

Year: 8602 Days

Day: 12.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,991,657 km

• M1: 153,039 km (0.06 R)
• M2: 656,884 km (0.076 R)
• M3: 1,231,789 km (0.026 R)
• M4: 2,546,904 km (0.103 R)
• M5: 3,661,557 km (0.102 R)
• M6: 4,106,910 km (0.118 R)
• M7: 5,258,515 km (0.09 R)
• M8: 6,332,927 km (0.119 R)
• M9: 6,758,233 km (0.093 R)
• M10: 8,697,022 km (0.091 R)
• M11: 10,437,743 km (0.111 R)
• M12: 11,185,134 km (0.041 R)
• M13: 11,967,830 km (0.108 R)
• M14: 14,055,019 km (0.095 R)
• M15: 16,440,656 km (0.033 R)
• M16: 18,793,681 km (0.068 R)
• M17: 19,231,255 km (0.109 R)
• M18: 19,975,355 km (0.063 R)
• M19: 22,242,511 km (0.119 R)
• M20: 28,603,861 km (0.088 R)
• M21: 30,565,239 km (0.095 R)
• M22: 32,510,310 km (0.076 R)
• M23: 37,214,565 km (0.092 R)
• M24: 38,957,081 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.3

Radius: 6.9

Gravity: 15.72 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.9 AU - 7.26 AU

Year: 9680 Days

Day: 19 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,991,657 km

• M1: 93,050 km (0.082 R)
• M2: 386,262 km (0.071 R)
• M3: 627,713 km (0.117 R)
• M4: 1,155,793 km (0.093 R)
• M5: 1,725,911 km (0.095 R)
• M6: 2,224,969 km (0.069 R)
• M7: 2,489,009 km (0.109 R)
• M8: 3,080,370 km (0.088 R)
• M9: 4,306,474 km (0.112 R)
• M10: 7,387,442 km (0.065 R)
• M11: 10,192,253 km (0.119 R)
• M12: 14,524,008 km (0.061 R)
• M13: 20,838,684 km (0.072 R)
• M14: 21,087,017 km (0.069 R)
• M15: 21,843,982 km (0.075 R)
• M16: 24,590,300 km (0.094 R)
• M17: 26,673,300 km (0.101 R)
• M18: 27,558,471 km (0.102 R)
• M19: 34,309,823 km (0.069 R)
• M20: 45,749,572 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.5

Radius: 7.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.08 AU - 7.44 AU

Year: 11348 Days

Day: 18.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,991,657 km

• M1: 92,003 km (0.083 R)
• M2: 392,994 km (0.119 R)
• M3: 637,885 km (0.083 R)
• M4: 1,132,755 km (0.101 R)
• M5: 1,405,322 km (0.069 R)
• M6: 2,228,559 km (0.1 R)
• M7: 3,007,216 km (0.048 R)
• M8: 3,275,146 km (0.119 R)
• M9: 4,671,493 km (0.108 R)
• M10: 6,359,106 km (0.091 R)
• M11: 6,978,441 km (0.118 R)
• M12: 8,620,278 km (0.078 R)
• M13: 9,597,003 km (0.096 R)
• M14: 11,517,690 km (0.073 R)
• M15: 11,869,544 km (0.047 R)
• M16: 14,075,813 km (0.12 R)
• M17: 21,772,624 km (0.1 R)
• M18: 23,574,081 km (0.055 R)
• M19: 25,219,359 km (0.053 R)
• M20: 25,472,628 km (0.12 R)
• M21: 27,649,576 km (0.071 R)
• M22: 30,804,894 km (0.096 R)
• M23: 32,668,734 km (0.026 R)
• M24: 34,089,316 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.4

Radius: 3.5

Gravity: 23.54 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.03 AU - 7.95 AU

Year: 13235 Days

Day: 19.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 134.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 54,991,657 km

• M1: 49,966 km (0.069 R)
• M2: 189,541 km (0.094 R)
• M3: 304,282 km (0.091 R)
• M4: 498,011 km (0.118 R)
• M5: 664,364 km (0.118 R)
• M6: 821,592 km (0.112 R)
• M7: 1,131,708 km (0.104 R)
• M8: 1,684,622 km (0.085 R)
• M9: 2,062,057 km (0.101 R)
• M10: 2,730,161 km (0.115 R)
• M11: 3,459,301 km (0.077 R)
• M12: 3,629,244 km (0.099 R)
• M13: 4,421,515 km (0.05 R)
• M14: 4,592,954 km (0.09 R)
• M15: 4,828,122 km (0.076 R)
• M16: 4,979,216 km (0.112 R)
• M17: 5,952,948 km (0.111 R)
• M18: 6,268,151 km (0.113 R)
• M19: 7,439,652 km (0.066 R)
• M20: 11,068,896 km (0.098 R)
• M21: 11,384,847 km (0.047 R)
• M22: 12,256,853 km (0.067 R)
• M23: 13,055,705 km (0.073 R)
• M24: 15,528,109 km (0.107 R)
• M25: 16,804,778 km (0.063 R)
• M26: 17,789,132 km (0.096 R)
• M27: 18,736,984 km (0.078 R)
• M28: 20,653,482 km (0.119 R)
• M29: 24,336,731 km (0.112 R)
• M30: 24,602,716 km (0.1 R)
• M31: 25,230,878 km (0.113 R)
• M32: 26,239,467 km (0.116 R)
• M33: 26,800,907 km (0.104 R)
• M34: 27,084,545 km (0.116 R)
• M35: 35,293,878 km (0.077 R)
• M36: 35,407,273 km (0.095 R)
• M37: 35,748,805 km (0.108 R)
• M38: 37,019,788 km (0.116 R)
• M39: 37,136,774 km (0.066 R)
• M40: 37,962,704 km (0.04 R)
• M41: 39,163,975 km (0.075 R)
• M42: 39,773,885 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.7

Radius: 4.8

Gravity: 22.12 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.55 AU - 9.21 AU

Year: 15663 Days

Day: 22.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,991,657 km

• M1: 67,020 km (0.087 R)
• M2: 238,160 km (0.105 R)
• M3: 514,018 km (0.093 R)
• M4: 726,298 km (0.059 R)
• M5: 1,076,506 km (0.106 R)
• M6: 1,237,324 km (0.101 R)
• M7: 1,655,600 km (0.088 R)
• M8: 2,590,437 km (0.107 R)
• M9: 2,790,150 km (0.094 R)
• M10: 3,347,552 km (0.057 R)
• M11: 3,611,891 km (0.097 R)
• M12: 3,889,993 km (0.076 R)
• M13: 4,063,677 km (0.08 R)
• M14: 4,426,451 km (0.075 R)
• M15: 5,044,889 km (0.097 R)
• M16: 5,718,977 km (0.116 R)
• M17: 7,374,876 km (0.076 R)
• M18: 7,686,488 km (0.107 R)
• M19: 8,383,614 km (0.07 R)
• M20: 8,921,119 km (0.068 R)
• M21: 9,902,930 km (0.072 R)
• M22: 11,243,477 km (0.065 R)
• M23: 14,692,904 km (0.081 R)
• M24: 16,580,530 km (0.103 R)
• M25: 24,649,989 km (0.047 R)
• M26: 25,446,448 km (0.086 R)
• M27: 26,776,972 km (0.087 R)
• M28: 30,816,413 km (0.095 R)
• M29: 31,160,788 km (0.103 R)
• M30: 31,857,016 km (0.112 R)
• M31: 32,563,567 km (0.086 R)
• M32: 33,040,335 km (0.089 R)
• M33: 38,331,462 km (0.071 R)
• M34: 46,077,341 km (0.109 R)
• M35: 49,603,961 km (0.066 R)
• M36: 52,977,094 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.6

Radius: 4.5

Gravity: 14.89 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.48 AU - 11.26 AU

Year: 18519 Days

Day: 18.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,991,657 km

• M1: 55,950 km (0.119 R)
• M2: 272,717 km (0.07 R)
• M3: 495,468 km (0.112 R)
• M4: 733,179 km (0.106 R)
• M5: 1,137,243 km (0.049 R)
• M6: 1,554,172 km (0.077 R)
• M7: 3,925,897 km (0.108 R)
• M8: 4,068,164 km (0.052 R)
• M9: 5,438,182 km (0.039 R)
• M10: 6,440,338 km (0.066 R)
• M11: 7,429,329 km (0.076 R)
• M12: 8,005,281 km (0.087 R)
• M13: 8,188,389 km (0.049 R)
• M14: 11,744,929 km (0.112 R)
• M15: 13,148,606 km (0.114 R)
• M16: 14,188,760 km (0.075 R)
• M17: 18,339,203 km (0.089 R)
• M18: 20,818,040 km (0.103 R)
• M19: 22,047,585 km (0.098 R)
• M20: 24,843,868 km (0.098 R)
• M21: 25,925,760 km (0.034 R)
• M22: 29,904,614 km (0.1 R)
• M23: 35,487,906 km (0.111 R)
• M24: 46,711,636 km (0.074 R)
• M25: 48,659,550 km (0.091 R)
• M26: 50,504,989 km (0.115 R)
• M27: 50,973,679 km (0.113 R)
• M28: 53,198,648 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 11,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit