🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.2

Radius: 14.6

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.56 AU - 1.76 AU

Year: 1360 Days

Day: 10.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,021,636 km

• M1: 181,911 km (0.053 R)
• M2: 874,699 km (0.071 R)
• M3: 1,388,119 km (0.116 R)
• M4: 1,892,413 km (0.085 R)
• M5: 2,362,300 km (0.046 R)
• M6: 2,975,950 km (0.093 R)
• M7: 3,530,510 km (0.064 R)
• M8: 4,458,166 km (0.113 R)
• M9: 4,942,863 km (0.058 R)
• M10: 5,403,325 km (0.116 R)
• M11: 5,934,697 km (0.081 R)
• M12: 7,031,848 km (0.113 R)
• M13: 7,717,156 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.2

Radius: 11.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.39 AU - 2.05 AU

Year: 1434 Days

Day: 7 Hours

Environment

Temp: -182 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,021,636 km

• M1: 138,079 km (0.074 R)
• M2: 582,684 km (0.061 R)
• M3: 966,103 km (0.09 R)
• M4: 1,366,128 km (0.028 R)
• M5: 1,877,902 km (0.069 R)
• M6: 2,299,469 km (0.053 R)
• M7: 2,824,109 km (0.06 R)
• M8: 3,202,591 km (0.064 R)
• M9: 3,583,318 km (0.079 R)
• M10: 4,345,818 km (0.065 R)
• M11: 5,192,841 km (0.12 R)
• M12: 6,100,751 km (0.114 R)
• M13: 6,836,323 km (0.098 R)
• M14: 7,393,576 km (0.062 R)
• M15: 8,314,201 km (0.12 R)
• M16: 8,831,660 km (0.1 R)
• M17: 9,867,625 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.4

Radius: 13.3

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.05 AU - 3.27 AU

Year: 3572 Days

Day: 5.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,021,636 km

• M1: 165,904 km (0.119 R)
• M2: 755,320 km (0.101 R)
• M3: 1,703,621 km (0.069 R)
• M4: 2,310,240 km (0.09 R)
• M5: 2,932,118 km (0.077 R)
• M6: 4,073,849 km (0.118 R)
• M7: 4,514,565 km (0.117 R)
• M8: 5,493,084 km (0.117 R)
• M9: 6,180,935 km (0.116 R)
• M10: 7,625,602 km (0.082 R)
• M11: 9,011,925 km (0.117 R)
• M12: 10,220,377 km (0.106 R)
• M13: 15,980,344 km (0.117 R)
• M14: 16,672,084 km (0.099 R)
• M15: 20,434,321 km (0.115 R)
• M16: 22,015,720 km (0.115 R)
• M17: 22,872,467 km (0.11 R)
• M18: 24,652,682 km (0.107 R)
• M19: 25,266,033 km (0.053 R)
• M20: 26,284,645 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.1

Radius: 11.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.67 AU - 3.69 AU

Year: 4489 Days

Day: 6.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,021,636 km

• M1: 144,362 km (0.043 R)
• M2: 606,021 km (0.119 R)
• M3: 1,039,855 km (0.086 R)
• M4: 1,732,942 km (0.084 R)
• M5: 2,099,307 km (0.047 R)
• M6: 2,502,174 km (0.05 R)
• M7: 2,903,695 km (0.081 R)
• M8: 3,924,551 km (0.078 R)
• M9: 4,861,931 km (0.12 R)
• M10: 5,329,873 km (0.108 R)
• M11: 5,799,311 km (0.104 R)
• M12: 6,417,449 km (0.034 R)
• M13: 6,981,583 km (0.039 R)
• M14: 7,342,563 km (0.112 R)
• M15: 8,137,825 km (0.073 R)
• M16: 9,737,325 km (0.081 R)
• M17: 10,441,034 km (0.111 R)
• M18: 12,089,752 km (0.1 R)
• M19: 13,099,388 km (0.093 R)
• M20: 14,008,793 km (0.112 R)
• M21: 15,176,854 km (0.061 R)
• M22: 16,697,815 km (0.088 R)
• M23: 18,010,387 km (0.108 R)
• M24: 19,454,904 km (0.074 R)
• M25: 26,562,897 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.6

Radius: 14

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.77 AU - 5.65 AU

Year: 6499 Days

Day: 12.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,021,636 km

• M1: 191,635 km (0.1 R)
• M2: 630,854 km (0.059 R)
• M3: 1,206,058 km (0.111 R)
• M4: 1,856,061 km (0.089 R)
• M5: 2,452,956 km (0.07 R)
• M6: 2,920,749 km (0.092 R)
• M7: 3,556,989 km (0.107 R)
• M8: 4,436,624 km (0.095 R)
• M9: 6,764,217 km (0.083 R)
• M10: 7,999,148 km (0.089 R)
• M11: 12,504,437 km (0.097 R)
• M12: 13,410,103 km (0.082 R)
• M13: 16,896,182 km (0.092 R)
• M14: 17,541,697 km (0.118 R)
• M15: 22,531,534 km (0.114 R)
• M16: 24,686,042 km (0.101 R)
• M17: 26,111,112 km (0.041 R)
• M18: 29,493,968 km (0.062 R)
• M19: 30,241,808 km (0.114 R)
• M20: 31,483,769 km (0.112 R)
• M21: 32,660,357 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.3

Radius: 4.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.19 AU - 11.39 AU

Year: 18003 Days

Day: 22.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 115.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,021,636 km

• M1: 59,839 km (0.106 R)
• M2: 235,317 km (0.03 R)
• M3: 439,818 km (0.1 R)
• M4: 798,404 km (0.094 R)
• M5: 1,465,012 km (0.092 R)
• M6: 1,745,209 km (0.077 R)
• M7: 3,139,311 km (0.09 R)
• M8: 4,524,588 km (0.1 R)
• M9: 5,476,479 km (0.073 R)
• M10: 6,944,034 km (0.039 R)
• M11: 8,616,837 km (0.098 R)
• M12: 9,566,784 km (0.115 R)
• M13: 11,766,471 km (0.057 R)
• M14: 15,100,858 km (0.119 R)
• M15: 17,684,263 km (0.077 R)
• M16: 18,246,602 km (0.106 R)
• M17: 20,891,343 km (0.065 R)
• M18: 22,449,554 km (0.026 R)
• M19: 23,405,784 km (0.106 R)
• M20: 25,874,897 km (0.117 R)
• M21: 28,088,945 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.1

Radius: 6

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.76 AU - 11.96 AU

Year: 19686 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,021,636 km

• M1: 74,649 km (0.114 R)
• M2: 521,199 km (0.091 R)
• M3: 837,748 km (0.083 R)
• M4: 1,904,082 km (0.076 R)
• M5: 2,431,265 km (0.098 R)
• M6: 4,265,035 km (0.043 R)
• M7: 4,830,515 km (0.111 R)
• M8: 5,070,321 km (0.073 R)
• M9: 5,349,470 km (0.096 R)
• M10: 6,606,691 km (0.064 R)
• M11: 8,866,067 km (0.12 R)
• M12: 9,363,630 km (0.032 R)
• M13: 10,563,405 km (0.116 R)
• M14: 12,244,137 km (0.067 R)
• M15: 15,601,113 km (0.084 R)
• M16: 18,415,797 km (0.117 R)
• M17: 19,224,822 km (0.082 R)
• M18: 21,875,248 km (0.094 R)
• M19: 25,025,629 km (0.088 R)
• M20: 27,983,628 km (0.11 R)
• M21: 29,249,076 km (0.097 R)
• M22: 31,684,679 km (0.075 R)
• M23: 32,844,811 km (0.103 R)
• M24: 33,166,147 km (0.049 R)
• M25: 34,915,096 km (0.094 R)
• M26: 36,609,741 km (0.067 R)
• M27: 36,955,162 km (0.097 R)
• M28: 39,918,546 km (0.066 R)
• M29: 40,899,160 km (0.086 R)
• M30: 41,895,931 km (0.115 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: 473 - 10,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit