🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.7

Radius: 12.4

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.63 AU - 0.83 AU

Year: 403 Days

Day: 10.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,695,759 km

• M1: 154,235 km (0.118 R)
• M2: 577,448 km (0.115 R)
• M3: 996,621 km (0.116 R)
• M4: 1,410,110 km (0.045 R)
• M5: 1,884,784 km (0.111 R)
• M6: 2,465,971 km (0.058 R)
• M7: 2,949,621 km (0.116 R)
• M8: 3,337,977 km (0.074 R)
• M9: 4,158,522 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.3

Radius: 13.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.79 AU - 1.11 AU

Year: 598 Days

Day: 9.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,695,759 km

• M1: 164,109 km (0.118 R)
• M2: 580,440 km (0.112 R)
• M3: 1,048,232 km (0.048 R)
• M4: 1,694,645 km (0.074 R)
• M5: 2,858,217 km (0.073 R)
• M6: 3,670,982 km (0.067 R)
• M7: 4,425,105 km (0.089 R)
• M8: 4,972,932 km (0.094 R)
• M9: 6,467,415 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 10.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.95 AU - 1.05 AU

Year: 646 Days

Day: 7.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,695,759 km

• M1: 132,843 km (0.098 R)
• M2: 492,476 km (0.079 R)
• M3: 922,570 km (0.077 R)
• M4: 1,453,044 km (0.115 R)
• M5: 2,379,953 km (0.106 R)
• M6: 3,252,856 km (0.057 R)
• M7: 4,135,334 km (0.059 R)
• M8: 4,477,913 km (0.095 R)
• M9: 5,136,293 km (0.062 R)
• M10: 6,100,302 km (0.09 R)
• M11: 7,075,830 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.2

Radius: 8.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.11 AU - 1.29 AU

Year: 849 Days

Day: 8.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 75,695,759 km

• M1: 126,261 km (0.116 R)
• M2: 724,054 km (0.054 R)
• M3: 1,799,812 km (0.054 R)
• M4: 2,084,497 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.9

Radius: 14.6

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.98 AU - 1.53 AU

Year: 902 Days

Day: 9.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,695,759 km

• M1: 181,612 km (0.1 R)
• M2: 728,841 km (0.074 R)
• M3: 1,232,387 km (0.114 R)
• M4: 3,705,838 km (0.101 R)
• M5: 4,645,163 km (0.08 R)
• M6: 5,107,271 km (0.093 R)
• M7: 6,594,274 km (0.088 R)
• M8: 8,024,280 km (0.094 R)
• M9: 9,232,881 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.6

Radius: 14.4

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.39 AU - 2.31 AU

Year: 1625 Days

Day: 11.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,695,759 km

• M1: 179,368 km (0.101 R)
• M2: 688,749 km (0.078 R)
• M3: 1,422,526 km (0.051 R)
• M4: 3,287,264 km (0.099 R)
• M5: 3,898,371 km (0.075 R)
• M6: 4,782,195 km (0.088 R)
• M7: 7,067,303 km (0.034 R)
• M8: 7,987,330 km (0.107 R)
• M9: 10,249,100 km (0.096 R)
• M10: 10,716,743 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.4

Radius: 10

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.45 AU - 3.91 AU

Year: 3661 Days

Day: 7.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,695,759 km

• M1: 124,465 km (0.113 R)
• M2: 737,368 km (0.109 R)
• M3: 1,054,964 km (0.072 R)
• M4: 1,456,036 km (0.101 R)
• M5: 1,828,984 km (0.101 R)
• M6: 2,370,378 km (0.085 R)
• M7: 2,721,036 km (0.119 R)
• M8: 3,161,901 km (0.111 R)
• M9: 3,774,205 km (0.066 R)
• M10: 4,278,350 km (0.099 R)
• M11: 5,863,339 km (0.1 R)
• M12: 6,510,200 km (0.05 R)
• M13: 7,074,334 km (0.113 R)
• M14: 8,051,357 km (0.082 R)
• M15: 8,926,056 km (0.076 R)
• M16: 9,582,940 km (0.11 R)
• M17: 9,943,621 km (0.095 R)
• M18: 10,480,677 km (0.073 R)
• M19: 11,300,174 km (0.114 R)
• M20: 12,301,732 km (0.12 R)
• M21: 14,743,917 km (0.104 R)
• M22: 15,333,632 km (0.065 R)
• M23: 15,938,905 km (0.095 R)
• M24: 16,732,372 km (0.076 R)
• M25: 17,138,830 km (0.118 R)
• M26: 18,582,748 km (0.112 R)
• M27: 20,106,103 km (0.096 R)
• M28: 21,166,902 km (0.112 R)
• M29: 22,898,348 km (0.12 R)
• M30: 24,872,441 km (0.08 R)
• M31: 25,478,462 km (0.039 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.3

Radius: 13.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.96 AU - 5.28 AU

Year: 7480 Days

Day: 5.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,695,759 km

• M1: 177,124 km (0.043 R)
• M2: 630,106 km (0.041 R)
• M3: 1,373,159 km (0.111 R)
• M4: 1,833,621 km (0.105 R)
• M5: 2,398,802 km (0.049 R)
• M6: 4,561,239 km (0.078 R)
• M7: 5,703,718 km (0.1 R)
• M8: 6,993,401 km (0.115 R)
• M9: 9,260,108 km (0.066 R)
• M10: 10,702,082 km (0.087 R)
• M11: 11,182,142 km (0.069 R)
• M12: 11,878,370 km (0.067 R)
• M13: 12,498,005 km (0.119 R)
• M14: 13,302,841 km (0.059 R)
• M15: 14,028,092 km (0.086 R)
• M16: 15,375,669 km (0.105 R)
• M17: 15,925,890 km (0.112 R)
• M18: 18,191,849 km (0.067 R)
• M19: 18,946,271 km (0.045 R)
• M20: 22,252,534 km (0.105 R)
• M21: 23,195,299 km (0.118 R)
• M22: 23,838,570 km (0.081 R)
• M23: 25,925,610 km (0.064 R)
• M24: 31,329,983 km (0.119 R)
• M25: 31,918,501 km (0.088 R)
• M26: 33,117,528 km (0.105 R)

Asteroid Belt

Center: 7.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.6

Radius: 5.2

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.66 AU - 11.38 AU

Year: 18966 Days

Day: 16.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,695,759 km

• M1: 69,563 km (0.047 R)
• M2: 263,442 km (0.116 R)
• M3: 459,116 km (0.082 R)
• M4: 789,877 km (0.099 R)
• M5: 1,191,098 km (0.098 R)
• M6: 2,348,687 km (0.085 R)
• M7: 3,796,794 km (0.076 R)
• M8: 4,378,879 km (0.073 R)
• M9: 4,755,716 km (0.109 R)
• M10: 5,682,326 km (0.079 R)
• M11: 6,442,133 km (0.088 R)
• M12: 7,661,206 km (0.108 R)
• M13: 8,976,919 km (0.109 R)
• M14: 9,378,889 km (0.069 R)
• M15: 10,057,614 km (0.103 R)
• M16: 11,867,150 km (0.075 R)
• M17: 14,352,270 km (0.032 R)
• M18: 18,657,846 km (0.08 R)
• M19: 21,544,188 km (0.109 R)
• M20: 22,082,590 km (0.062 R)
• M21: 23,186,324 km (0.043 R)
• M22: 24,133,876 km (0.1 R)
• M23: 30,817,012 km (0.072 R)
• M24: 31,845,796 km (0.097 R)
• M25: 32,779,287 km (0.099 R)
• M26: 42,856,648 km (0.086 R)
• M27: 43,993,891 km (0.106 R)
• M28: 46,477,216 km (0.112 R)
• M29: 46,775,365 km (0.103 R)
• M30: 49,516,297 km (0.091 R)
• M31: 50,296,300 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736

Radius: 7.8

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.17 AU - 10.99 AU

Year: 19145 Days

Day: 23.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,695,759 km

• M1: 97,538 km (0.054 R)
• M2: 347,067 km (0.085 R)
• M3: 607,367 km (0.067 R)
• M4: 869,463 km (0.071 R)
• M5: 1,142,030 km (0.07 R)
• M6: 2,284,359 km (0.063 R)
• M7: 2,813,786 km (0.057 R)
• M8: 3,094,582 km (0.062 R)
• M9: 5,818,908 km (0.117 R)
• M10: 7,455,509 km (0.113 R)
• M11: 10,726,766 km (0.045 R)
• M12: 11,869,245 km (0.115 R)
• M13: 15,623,403 km (0.072 R)
• M14: 17,681,870 km (0.108 R)
• M15: 18,731,449 km (0.032 R)
• M16: 20,194,815 km (0.108 R)
• M17: 23,763,023 km (0.09 R)
• M18: 26,699,929 km (0.118 R)
• M19: 31,735,692 km (0.098 R)
• M20: 33,809,867 km (0.096 R)
• M21: 37,796,351 km (0.105 R)
• M22: 39,240,718 km (0.08 R)
• M23: 39,533,930 km (0.076 R)
• M24: 41,779,693 km (0.097 R)
• M25: 42,238,959 km (0.105 R)
• M26: 45,386,498 km (0.085 R)
• M27: 48,182,033 km (0.114 R)
• M28: 50,916,084 km (0.088 R)
• M29: 54,659,172 km (0.107 R)
• M30: 57,442,441 km (0.03 R)
• M31: 60,318,759 km (0.118 R)
• M32: 64,504,956 km (0.031 R)
• M33: 70,598,526 km (0.115 R)
• M34: 71,467,989 km (0.074 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 19,811 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit