🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 12.7

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.9 AU - 0.92 AU

Year: 552 Days

Day: 8.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,497,012 km

• M1: 157,975 km (0.038 R)
• M2: 695,481 km (0.076 R)
• M3: 1,395,898 km (0.042 R)
• M4: 1,954,795 km (0.119 R)
• M5: 3,032,947 km (0.088 R)
• M6: 4,598,639 km (0.119 R)
• M7: 5,225,154 km (0.119 R)
• M8: 6,135,607 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.8

Radius: 8.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.9 AU - 1.3 AU

Year: 734 Days

Day: 5.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,497,012 km

• M1: 109,506 km (0.096 R)
• M2: 568,023 km (0.112 R)
• M3: 890,407 km (0.115 R)
• M4: 2,310,838 km (0.104 R)
• M5: 3,081,267 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669

Radius: 11.2

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.19 AU - 2.77 AU

Year: 2483 Days

Day: 5.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,497,012 km

• M1: 139,425 km (0.102 R)
• M2: 668,403 km (0.118 R)
• M3: 1,023,997 km (0.09 R)
• M4: 1,560,755 km (0.102 R)
• M5: 2,201,781 km (0.111 R)
• M6: 2,947,228 km (0.042 R)
• M7: 4,147,302 km (0.099 R)
• M8: 5,403,924 km (0.041 R)
• M9: 5,951,452 km (0.106 R)
• M10: 6,898,855 km (0.11 R)
• M11: 9,091,661 km (0.085 R)
• M12: 9,580,547 km (0.098 R)
• M13: 12,125,655 km (0.104 R)
• M14: 13,197,823 km (0.114 R)
• M15: 14,285,400 km (0.077 R)
• M16: 14,946,922 km (0.084 R)
• M17: 17,054,606 km (0.111 R)
• M18: 17,530,776 km (0.109 R)
• M19: 18,289,237 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307

Radius: 8

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.57 AU - 4.09 AU

Year: 4766 Days

Day: 8.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,497,012 km

• M1: 99,931 km (0.111 R)
• M2: 399,875 km (0.053 R)
• M3: 654,191 km (0.096 R)
• M4: 959,820 km (0.117 R)
• M5: 1,557,763 km (0.025 R)
• M6: 1,920,837 km (0.05 R)
• M7: 2,442,484 km (0.11 R)
• M8: 3,549,808 km (0.103 R)
• M9: 3,908,544 km (0.116 R)
• M10: 4,357,487 km (0.084 R)
• M11: 6,106,136 km (0.066 R)
• M12: 6,389,475 km (0.073 R)
• M13: 6,800,869 km (0.12 R)
• M14: 8,731,579 km (0.074 R)
• M15: 11,809,406 km (0.108 R)
• M16: 13,542,796 km (0.117 R)
• M17: 15,283,367 km (0.107 R)
• M18: 15,648,685 km (0.087 R)
• M19: 18,664,878 km (0.076 R)
• M20: 19,628,138 km (0.115 R)
• M21: 19,935,861 km (0.09 R)
• M22: 22,048,033 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.5

Radius: 10.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.99 AU - 5.51 AU

Year: 6582 Days

Day: 12.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,497,012 km

• M1: 126,859 km (0.086 R)
• M2: 675,734 km (0.097 R)
• M3: 1,063,641 km (0.107 R)
• M4: 2,102,448 km (0.095 R)
• M5: 2,763,521 km (0.118 R)
• M6: 3,288,460 km (0.042 R)
• M7: 3,645,102 km (0.104 R)
• M8: 4,008,774 km (0.085 R)
• M9: 5,025,740 km (0.066 R)
• M10: 6,489,406 km (0.03 R)
• M11: 9,173,491 km (0.091 R)
• M12: 10,379,100 km (0.085 R)
• M13: 11,882,708 km (0.1 R)
• M14: 12,441,756 km (0.086 R)
• M15: 13,355,649 km (0.113 R)

Asteroid Belt

Center: 5.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.5

Radius: 12.6

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.49 AU - 6.07 AU

Year: 7714 Days

Day: 13.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,497,012 km

• M1: 156,779 km (0.091 R)
• M2: 552,465 km (0.111 R)
• M3: 1,545,196 km (0.105 R)
• M4: 2,582,957 km (0.093 R)
• M5: 2,989,863 km (0.059 R)
• M6: 4,255,461 km (0.08 R)
• M7: 4,827,822 km (0.091 R)
• M8: 5,816,664 km (0.038 R)
• M9: 6,897,808 km (0.098 R)
• M10: 7,731,368 km (0.091 R)
• M11: 8,151,289 km (0.082 R)
• M12: 9,175,436 km (0.097 R)
• M13: 10,535,879 km (0.1 R)
• M14: 11,000,530 km (0.118 R)
• M15: 12,250,570 km (0.119 R)
• M16: 17,627,117 km (0.065 R)
• M17: 18,357,005 km (0.111 R)
• M18: 19,877,069 km (0.118 R)
• M19: 26,329,076 km (0.036 R)
• M20: 28,161,201 km (0.093 R)
• M21: 28,756,899 km (0.036 R)
• M22: 29,973,878 km (0.098 R)
• M23: 30,908,865 km (0.057 R)
• M24: 33,942,111 km (0.066 R)
• M25: 39,967,914 km (0.106 R)
• M26: 43,959,035 km (0.106 R)
• M27: 44,492,651 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.5

Radius: 5.3

Gravity: 30.95 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.95 AU - 7.87 AU

Year: 12825 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,497,012 km

• M1: 65,973 km (0.037 R)
• M2: 248,632 km (0.045 R)
• M3: 632,649 km (0.102 R)
• M4: 1,438,384 km (0.092 R)
• M5: 2,205,671 km (0.077 R)
• M6: 2,803,763 km (0.106 R)
• M7: 3,115,675 km (0.081 R)
• M8: 4,314,702 km (0.087 R)
• M9: 4,797,005 km (0.097 R)
• M10: 6,022,661 km (0.031 R)
• M11: 6,460,234 km (0.119 R)
• M12: 8,183,752 km (0.049 R)
• M13: 9,437,082 km (0.061 R)
• M14: 10,584,498 km (0.062 R)
• M15: 15,958,502 km (0.057 R)
• M16: 16,717,562 km (0.085 R)
• M17: 17,262,996 km (0.11 R)
• M18: 17,579,994 km (0.109 R)
• M19: 19,735,849 km (0.105 R)
• M20: 20,257,347 km (0.081 R)
• M21: 20,787,821 km (0.114 R)
• M22: 21,969,046 km (0.09 R)
• M23: 28,662,802 km (0.056 R)
• M24: 29,219,007 km (0.107 R)
• M25: 29,669,297 km (0.118 R)
• M26: 31,164,528 km (0.072 R)
• M27: 32,588,699 km (0.071 R)
• M28: 32,830,150 km (0.115 R)
• M29: 34,304,437 km (0.117 R)
• M30: 35,057,812 km (0.103 R)
• M31: 36,597,473 km (0.096 R)
• M32: 39,263,008 km (0.115 R)
• M33: 44,382,098 km (0.094 R)
• M34: 55,919,086 km (0.089 R)
• M35: 57,136,962 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248

Radius: 6.3

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.7 AU - 10.96 AU

Year: 19596 Days

Day: 24.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,497,012 km

• M1: 78,389 km (0.098 R)
• M2: 538,552 km (0.109 R)
• M3: 771,626 km (0.071 R)
• M4: 1,639,144 km (0.101 R)
• M5: 2,233,945 km (0.101 R)
• M6: 3,296,090 km (0.053 R)
• M7: 5,110,263 km (0.114 R)
• M8: 5,731,244 km (0.105 R)
• M9: 6,596,668 km (0.091 R)
• M10: 8,773,317 km (0.096 R)
• M11: 9,063,237 km (0.081 R)
• M12: 9,359,292 km (0.117 R)
• M13: 14,816,323 km (0.037 R)
• M14: 17,023,490 km (0.074 R)
• M15: 30,183,016 km (0.046 R)
• M16: 32,308,503 km (0.109 R)
• M17: 42,219,810 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 15,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit