🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.2

Radius: 14.2

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.61 AU - 0.71 AU

Year: 377 Days

Day: 9.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,838,773 km

• M1: 176,525 km (0.093 R)
• M2: 813,214 km (0.116 R)
• M3: 1,256,622 km (0.095 R)
• M4: 1,752,988 km (0.108 R)
• M5: 2,444,878 km (0.112 R)
• M6: 2,906,836 km (0.076 R)
• M7: 3,567,460 km (0.109 R)
• M8: 4,206,393 km (0.118 R)
• M9: 5,010,182 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.9

Radius: 14.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.56 AU - 0.86 AU

Year: 421 Days

Day: 12.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,838,773 km

• M1: 181,612 km (0.118 R)
• M2: 729,888 km (0.105 R)
• M3: 1,239,568 km (0.109 R)
• M4: 1,700,778 km (0.078 R)
• M5: 2,208,065 km (0.078 R)
• M6: 2,692,911 km (0.114 R)
• M7: 3,379,565 km (0.051 R)
• M8: 4,003,089 km (0.1 R)
• M9: 4,917,432 km (0.088 R)
• M10: 5,433,095 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.5

Radius: 11.5

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.71 AU - 0.81 AU

Year: 466 Days

Day: 12.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,838,773 km

• M1: 143,165 km (0.044 R)
• M2: 519,105 km (0.118 R)
• M3: 898,036 km (0.039 R)
• M4: 1,267,692 km (0.086 R)
• M5: 2,086,442 km (0.08 R)
• M6: 2,647,583 km (0.091 R)
• M7: 3,044,017 km (0.074 R)
• M8: 3,480,095 km (0.101 R)
• M9: 3,945,195 km (0.105 R)
• M10: 4,521,296 km (0.069 R)
• M11: 4,941,068 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.4

Radius: 8.9

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.87 AU - 1.29 AU

Year: 789 Days

Day: 10.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,838,773 km

• M1: 110,702 km (0.106 R)
• M2: 466,147 km (0.09 R)
• M3: 1,138,889 km (0.086 R)
• M4: 1,446,312 km (0.098 R)
• M5: 1,845,589 km (0.072 R)
• M6: 2,141,494 km (0.09 R)
• M7: 2,675,109 km (0.106 R)
• M8: 3,914,527 km (0.074 R)
• M9: 5,480,967 km (0.116 R)
• M10: 5,915,100 km (0.07 R)
• M11: 6,807,750 km (0.075 R)
• M12: 7,738,698 km (0.11 R)
• M13: 8,260,346 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.8

Radius: 14.7

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.67 AU - 3.05 AU

Year: 3400 Days

Day: 6 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,838,773 km

• M1: 182,809 km (0.087 R)
• M2: 747,241 km (0.086 R)
• M3: 1,340,397 km (0.07 R)
• M4: 1,870,871 km (0.082 R)
• M5: 3,164,893 km (0.102 R)
• M6: 5,233,083 km (0.034 R)
• M7: 6,000,969 km (0.099 R)
• M8: 7,168,431 km (0.118 R)
• M9: 10,264,807 km (0.119 R)
• M10: 11,058,424 km (0.026 R)
• M11: 12,206,438 km (0.089 R)
• M12: 15,101,307 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.9

Radius: 12.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.19 AU - 3.21 AU

Year: 4024 Days

Day: 7 Hours

Environment

Temp: -219 °C

Axial Tilt: 139.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,838,773 km

• M1: 160,219 km (0.068 R)
• M2: 656,884 km (0.052 R)
• M3: 1,188,405 km (0.043 R)
• M4: 1,995,336 km (0.065 R)
• M5: 3,287,413 km (0.118 R)
• M6: 4,088,809 km (0.077 R)
• M7: 7,976,558 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.5

Radius: 12.4

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.75 AU - 4.27 AU

Year: 4622 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,838,773 km

• M1: 154,235 km (0.068 R)
• M2: 714,928 km (0.067 R)
• M3: 1,246,749 km (0.059 R)
• M4: 1,662,631 km (0.045 R)
• M5: 2,083,001 km (0.073 R)
• M6: 2,558,124 km (0.086 R)
• M7: 2,970,864 km (0.11 R)
• M8: 4,562,885 km (0.086 R)
• M9: 4,956,327 km (0.089 R)
• M10: 5,372,508 km (0.053 R)
• M11: 5,902,833 km (0.05 R)
• M12: 7,890,540 km (0.029 R)
• M13: 8,895,089 km (0.097 R)
• M14: 10,026,648 km (0.059 R)
• M15: 11,157,757 km (0.092 R)
• M16: 11,778,588 km (0.115 R)
• M17: 13,089,514 km (0.072 R)
• M18: 17,163,513 km (0.067 R)
• M19: 18,121,239 km (0.101 R)
• M20: 18,779,320 km (0.084 R)
• M21: 23,684,933 km (0.087 R)
• M22: 24,711,324 km (0.081 R)
• M23: 25,684,758 km (0.06 R)
• M24: 26,937,490 km (0.083 R)
• M25: 28,493,906 km (0.077 R)
• M26: 29,115,037 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.2

Radius: 8.8

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.85 AU - 5.91 AU

Year: 7578 Days

Day: 13 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,838,773 km

• M1: 113,694 km (0.091 R)
• M2: 778,208 km (0.099 R)
• M3: 1,359,097 km (0.077 R)
• M4: 2,205,073 km (0.052 R)
• M5: 2,481,829 km (0.117 R)
• M6: 3,191,521 km (0.116 R)
• M7: 5,185,810 km (0.109 R)
• M8: 5,905,526 km (0.113 R)
• M9: 6,238,680 km (0.1 R)
• M10: 6,833,631 km (0.091 R)
• M11: 8,591,705 km (0.105 R)
• M12: 9,020,153 km (0.095 R)
• M13: 10,583,900 km (0.091 R)
• M14: 12,106,956 km (0.054 R)
• M15: 12,810,514 km (0.028 R)
• M16: 13,945,514 km (0.113 R)
• M17: 14,779,073 km (0.053 R)
• M18: 17,074,652 km (0.107 R)
• M19: 17,479,015 km (0.068 R)
• M20: 19,088,987 km (0.11 R)
• M21: 21,179,468 km (0.1 R)
• M22: 21,961,715 km (0.057 R)
• M23: 23,666,832 km (0.119 R)
• M24: 25,371,200 km (0.067 R)
• M25: 27,064,648 km (0.101 R)
• M26: 28,453,964 km (0.115 R)
• M27: 29,213,921 km (0.071 R)
• M28: 29,598,986 km (0.072 R)
• M29: 29,889,954 km (0.103 R)
• M30: 30,774,526 km (0.099 R)
• M31: 33,009,967 km (0.049 R)
• M32: 33,637,979 km (0.069 R)
• M33: 36,119,359 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.1

Radius: 4.9

Gravity: 40.74 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.89 AU - 6.17 AU

Year: 9141 Days

Day: 17.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,838,773 km

• M1: 61,186 km (0.041 R)
• M2: 257,458 km (0.078 R)
• M3: 420,370 km (0.055 R)
• M4: 579,841 km (0.069 R)
• M5: 807,679 km (0.078 R)
• M6: 1,071,570 km (0.11 R)
• M7: 1,236,426 km (0.061 R)
• M8: 2,509,953 km (0.116 R)
• M9: 3,238,196 km (0.081 R)
• M10: 4,098,084 km (0.049 R)
• M11: 5,606,629 km (0.067 R)
• M12: 6,071,579 km (0.081 R)
• M13: 7,450,722 km (0.062 R)
• M14: 7,620,516 km (0.112 R)
• M15: 8,509,127 km (0.099 R)
• M16: 9,074,158 km (0.045 R)
• M17: 9,464,608 km (0.054 R)
• M18: 12,517,452 km (0.057 R)
• M19: 13,623,130 km (0.081 R)
• M20: 16,027,168 km (0.079 R)
• M21: 16,814,501 km (0.106 R)
• M22: 18,621,494 km (0.095 R)
• M23: 19,895,619 km (0.096 R)
• M24: 21,482,853 km (0.067 R)
• M25: 22,794,078 km (0.073 R)
• M26: 26,846,983 km (0.103 R)
• M27: 28,058,277 km (0.045 R)
• M28: 28,366,599 km (0.077 R)
• M29: 37,077,982 km (0.114 R)
• M30: 42,101,778 km (0.105 R)
• M31: 42,505,991 km (0.078 R)
• M32: 47,269,786 km (0.114 R)
• M33: 49,032,647 km (0.05 R)
• M34: 50,080,879 km (0.072 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 15,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit