🌌 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: 725.6

Radius: 9.5

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.08 AU - 1.34 AU

Year: 903 Days

Day: 7.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,958,206 km

• M1: 118,482 km (0.119 R)
• M2: 571,464 km (0.102 R)
• M3: 945,758 km (0.104 R)
• M4: 1,614,161 km (0.07 R)
• M5: 2,773,694 km (0.114 R)
• M6: 3,295,641 km (0.089 R)
• M7: 3,595,136 km (0.032 R)
• M8: 3,928,440 km (0.116 R)
• M9: 4,315,749 km (0.106 R)
• M10: 4,745,992 km (0.105 R)
• M11: 5,167,110 km (0.06 R)
• M12: 5,573,119 km (0.096 R)
• M13: 6,126,482 km (0.059 R)
• M14: 6,537,427 km (0.053 R)
• M15: 6,874,770 km (0.057 R)
• M16: 7,200,146 km (0.053 R)
• M17: 8,767,034 km (0.108 R)
• M18: 9,515,771 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.2

Radius: 9.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.08 AU - 1.74 AU

Year: 1136 Days

Day: 14.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,958,206 km

• M1: 119,230 km (0.111 R)
• M2: 454,778 km (0.094 R)
• M3: 965,804 km (0.093 R)
• M4: 1,270,086 km (0.08 R)
• M5: 1,586,037 km (0.113 R)
• M6: 1,945,969 km (0.102 R)
• M7: 2,370,677 km (0.105 R)
• M8: 2,676,456 km (0.098 R)
• M9: 3,304,617 km (0.109 R)
• M10: 3,743,388 km (0.118 R)
• M11: 4,086,715 km (0.078 R)
• M12: 4,754,520 km (0.113 R)
• M13: 5,055,062 km (0.036 R)
• M14: 5,457,480 km (0.096 R)
• M15: 6,014,582 km (0.081 R)
• M16: 6,326,943 km (0.082 R)
• M17: 7,417,810 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.1

Radius: 12.7

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.17 AU - 1.93 AU

Year: 1309 Days

Day: 14 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,958,206 km

• M1: 157,975 km (0.058 R)
• M2: 648,357 km (0.064 R)
• M3: 1,287,140 km (0.083 R)
• M4: 1,826,590 km (0.115 R)
• M5: 2,469,412 km (0.102 R)
• M6: 3,136,918 km (0.11 R)
• M7: 3,543,226 km (0.113 R)
• M8: 5,517,020 km (0.086 R)
• M9: 7,266,866 km (0.086 R)
• M10: 8,216,962 km (0.106 R)
• M11: 10,242,069 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.3

Radius: 8.8

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.25 AU - 1.85 AU

Year: 1309 Days

Day: 8.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,958,206 km

• M1: 129,701 km (0.054 R)
• M2: 441,164 km (0.036 R)
• M3: 877,990 km (0.099 R)
• M4: 1,589,926 km (0.109 R)
• M5: 1,910,365 km (0.111 R)
• M6: 2,844,304 km (0.058 R)
• M7: 3,832,997 km (0.107 R)
• M8: 5,323,889 km (0.088 R)
• M9: 5,889,818 km (0.117 R)
• M10: 8,738,012 km (0.107 R)
• M11: 9,278,359 km (0.069 R)
• M12: 9,682,423 km (0.048 R)
• M13: 10,065,693 km (0.113 R)
• M14: 10,359,802 km (0.098 R)
• M15: 10,693,256 km (0.108 R)
• M16: 12,320,731 km (0.097 R)
• M17: 12,695,175 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.9

Radius: 9.1

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.7 AU - 5.92 AU

Year: 8299 Days

Day: 7.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 89,958,206 km

• M1: 113,246 km (0.113 R)
• M2: 680,970 km (0.074 R)
• M3: 1,063,940 km (0.054 R)
• M4: 2,420,643 km (0.097 R)
• M5: 2,781,473 km (0.09 R)
• M6: 3,333,340 km (0.091 R)
• M7: 3,635,827 km (0.1 R)
• M8: 5,497,572 km (0.101 R)
• M9: 6,725,322 km (0.03 R)
• M10: 7,442,644 km (0.103 R)
• M11: 9,163,468 km (0.082 R)
• M12: 11,655,021 km (0.105 R)
• M13: 11,975,160 km (0.114 R)
• M14: 17,028,127 km (0.094 R)
• M15: 17,789,431 km (0.116 R)
• M16: 19,380,105 km (0.101 R)
• M17: 20,057,484 km (0.071 R)
• M18: 22,265,698 km (0.036 R)
• M19: 27,066,294 km (0.059 R)
• M20: 28,873,137 km (0.101 R)
• M21: 30,254,973 km (0.09 R)
• M22: 30,759,117 km (0.079 R)
• M23: 33,793,561 km (0.092 R)
• M24: 34,227,245 km (0.037 R)
• M25: 38,181,565 km (0.11 R)
• M26: 40,572,588 km (0.089 R)
• M27: 41,185,640 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.5

Radius: 3.3

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.26 AU - 6.94 AU

Year: 10218 Days

Day: 24.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,958,206 km

• M1: 48,021 km (0.081 R)
• M2: 260,899 km (0.083 R)
• M3: 493,673 km (0.093 R)
• M4: 1,136,196 km (0.102 R)
• M5: 1,285,195 km (0.095 R)
• M6: 1,458,579 km (0.079 R)
• M7: 2,809,747 km (0.111 R)
• M8: 3,354,583 km (0.113 R)
• M9: 5,031,874 km (0.104 R)
• M10: 5,686,963 km (0.025 R)
• M11: 6,396,805 km (0.059 R)
• M12: 10,629,976 km (0.052 R)
• M13: 12,647,752 km (0.057 R)
• M14: 13,390,206 km (0.114 R)
• M15: 17,967,901 km (0.115 R)
• M16: 26,152,999 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.5

Radius: 6.1

Gravity: 26.22 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.71 AU - 10.35 AU

Year: 21545 Days

Day: 18.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 89,958,206 km

• M1: 76,295 km (0.113 R)
• M2: 533,167 km (0.107 R)
• M3: 732,132 km (0.115 R)
• M4: 981,661 km (0.078 R)
• M5: 1,767,499 km (0.085 R)
• M6: 2,007,005 km (0.075 R)
• M7: 2,200,734 km (0.097 R)
• M8: 2,676,605 km (0.089 R)
• M9: 2,993,603 km (0.039 R)
• M10: 3,734,711 km (0.106 R)
• M11: 4,029,568 km (0.109 R)
• M12: 4,628,708 km (0.072 R)
• M13: 5,871,567 km (0.081 R)
• M14: 6,453,802 km (0.086 R)
• M15: 8,211,876 km (0.103 R)
• M16: 8,711,084 km (0.078 R)
• M17: 9,054,860 km (0.042 R)
• M18: 11,446,481 km (0.117 R)
• M19: 12,641,319 km (0.102 R)
• M20: 13,082,184 km (0.118 R)
• M21: 14,150,612 km (0.077 R)
• M22: 14,948,567 km (0.038 R)
• M23: 16,985,641 km (0.096 R)
• M24: 23,859,514 km (0.111 R)
• M25: 25,333,801 km (0.11 R)
• M26: 26,270,583 km (0.112 R)
• M27: 27,841,959 km (0.068 R)
• M28: 28,337,726 km (0.07 R)
• M29: 28,587,854 km (0.076 R)
• M30: 30,119,586 km (0.093 R)
• M31: 35,910,969 km (0.074 R)
• M32: 38,451,889 km (0.034 R)
• M33: 43,389,217 km (0.104 R)
• M34: 44,728,716 km (0.041 R)
• M35: 46,441,612 km (0.083 R)
• M36: 47,314,216 km (0.035 R)
• M37: 53,540,031 km (0.069 R)
• M38: 57,846,505 km (0.1 R)
• M39: 60,290,036 km (0.078 R)
• M40: 65,381,899 km (0.113 R)
• M41: 67,585,476 km (0.117 R)
• M42: 69,610,732 km (0.1 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 11,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit