🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.4

Radius: 11.7

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.51 AU - 0.51 AU

Year: 247 Days

Day: 7.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,766,549 km

• M1: 145,559 km (0.117 R)
• M2: 556,205 km (0.078 R)
• M3: 1,084,285 km (0.036 R)
• M4: 1,583,793 km (0.119 R)
• M5: 2,012,241 km (0.044 R)
• M6: 2,492,151 km (0.093 R)
• M7: 3,179,104 km (0.09 R)
• M8: 3,595,585 km (0.119 R)
• M9: 4,012,514 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.5

Radius: 11.6

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.86 AU - 1.1 AU

Year: 658 Days

Day: 7.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 104.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,766,549 km

• M1: 145,559 km (0.108 R)
• M2: 766,689 km (0.113 R)
• M3: 1,179,729 km (0.099 R)
• M4: 2,002,068 km (0.108 R)
• M5: 2,540,471 km (0.038 R)
• M6: 3,472,017 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.1

Radius: 13.5

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.71 AU - 2.75 AU

Year: 2259 Days

Day: 13.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,766,549 km

• M1: 167,849 km (0.096 R)
• M2: 720,164 km (0.108 R)
• M3: 1,164,619 km (0.088 R)
• M4: 1,699,133 km (0.058 R)
• M5: 2,248,157 km (0.107 R)
• M6: 2,900,254 km (0.117 R)
• M7: 3,392,132 km (0.11 R)
• M8: 4,179,017 km (0.063 R)
• M9: 5,481,715 km (0.095 R)
• M10: 6,165,826 km (0.071 R)
• M11: 6,696,300 km (0.096 R)
• M12: 7,791,356 km (0.05 R)
• M13: 8,261,542 km (0.075 R)
• M14: 8,876,090 km (0.083 R)
• M15: 9,586,980 km (0.067 R)
• M16: 10,405,729 km (0.109 R)
• M17: 10,940,691 km (0.075 R)
• M18: 11,834,837 km (0.114 R)
• M19: 13,474,430 km (0.08 R)
• M20: 14,722,525 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157

Radius: 13.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.54 AU - 2.88 AU

Year: 3026 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,766,549 km

• M1: 172,935 km (0.062 R)
• M2: 722,707 km (0.108 R)
• M3: 1,160,431 km (0.118 R)
• M4: 2,082,702 km (0.044 R)
• M5: 2,758,435 km (0.064 R)
• M6: 3,482,339 km (0.119 R)
• M7: 3,941,306 km (0.077 R)
• M8: 4,764,543 km (0.085 R)
• M9: 5,855,560 km (0.072 R)
• M10: 6,317,368 km (0.095 R)
• M11: 7,055,933 km (0.115 R)
• M12: 7,714,912 km (0.105 R)
• M13: 8,157,871 km (0.089 R)
• M14: 8,765,089 km (0.091 R)
• M15: 9,558,706 km (0.059 R)
• M16: 10,038,017 km (0.119 R)
• M17: 10,872,773 km (0.093 R)
• M18: 11,501,982 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.2

Radius: 11.8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.74 AU - 3.14 AU

Year: 3419 Days

Day: 14 Hours

Environment

Temp: -219 °C

Axial Tilt: 61.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,766,549 km

• M1: 146,905 km (0.109 R)
• M2: 542,891 km (0.091 R)
• M3: 1,288,486 km (0.086 R)
• M4: 1,688,810 km (0.09 R)
• M5: 2,283,911 km (0.091 R)
• M6: 4,942,564 km (0.108 R)
• M7: 6,656,208 km (0.09 R)
• M8: 8,044,476 km (0.117 R)
• M9: 9,023,444 km (0.117 R)
• M10: 12,303,228 km (0.115 R)
• M11: 12,987,788 km (0.118 R)
• M12: 13,458,124 km (0.109 R)
• M13: 15,349,938 km (0.067 R)
• M14: 15,875,924 km (0.106 R)
• M15: 16,414,028 km (0.088 R)
• M16: 17,075,699 km (0.104 R)
• M17: 17,640,581 km (0.103 R)
• M18: 19,167,676 km (0.047 R)
• M19: 20,338,279 km (0.087 R)
• M20: 21,555,856 km (0.081 R)
• M21: 22,149,311 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.2

Radius: 10.5

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.67 AU - 3.87 AU

Year: 4011 Days

Day: 9.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,766,549 km

• M1: 130,749 km (0.113 R)
• M2: 628,311 km (0.068 R)
• M3: 1,003,802 km (0.07 R)
• M4: 1,928,466 km (0.063 R)
• M5: 2,487,962 km (0.089 R)
• M6: 2,841,911 km (0.051 R)
• M7: 3,248,817 km (0.041 R)
• M8: 3,652,432 km (0.111 R)
• M9: 4,344,621 km (0.091 R)
• M10: 4,964,555 km (0.115 R)
• M11: 7,083,310 km (0.061 R)
• M12: 7,487,673 km (0.12 R)
• M13: 8,159,217 km (0.117 R)
• M14: 8,679,519 km (0.12 R)
• M15: 10,374,014 km (0.097 R)
• M16: 11,029,402 km (0.1 R)
• M17: 11,993,261 km (0.101 R)
• M18: 12,764,588 km (0.114 R)
• M19: 15,388,983 km (0.103 R)
• M20: 17,488,290 km (0.115 R)
• M21: 22,462,120 km (0.047 R)
• M22: 24,538,240 km (0.041 R)
• M23: 27,309,241 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.2

Radius: 5.4

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.07 AU - 6.95 AU

Year: 9993 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,766,549 km

• M1: 80,184 km (0.105 R)
• M2: 2,118,904 km (0.098 R)
• M3: 2,734,051 km (0.048 R)
• M4: 3,160,255 km (0.066 R)
• M5: 3,960,005 km (0.081 R)
• M6: 4,782,943 km (0.106 R)
• M7: 5,262,255 km (0.109 R)
• M8: 10,224,416 km (0.062 R)
• M9: 11,804,170 km (0.073 R)
• M10: 13,853,511 km (0.066 R)
• M11: 14,065,341 km (0.108 R)
• M12: 18,384,830 km (0.055 R)
• M13: 19,159,598 km (0.077 R)
• M14: 19,356,768 km (0.084 R)
• M15: 25,360,579 km (0.106 R)
• M16: 25,757,462 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.9

Radius: 4.2

Gravity: 45.69 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.4 AU - 7.14 AU

Year: 10649 Days

Day: 16.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,766,549 km

• M1: 56,698 km (0.097 R)
• M2: 187,745 km (0.101 R)
• M3: 467,643 km (0.083 R)
• M4: 702,063 km (0.117 R)
• M5: 2,198,042 km (0.116 R)
• M6: 3,553,997 km (0.058 R)
• M7: 4,361,376 km (0.037 R)
• M8: 5,955,192 km (0.051 R)
• M9: 8,585,571 km (0.067 R)
• M10: 8,918,576 km (0.078 R)
• M11: 9,260,258 km (0.042 R)
• M12: 9,917,740 km (0.107 R)
• M13: 10,178,639 km (0.076 R)
• M14: 13,485,949 km (0.107 R)
• M15: 13,806,238 km (0.113 R)
• M16: 18,602,196 km (0.029 R)
• M17: 19,239,932 km (0.063 R)
• M18: 22,113,707 km (0.097 R)
• M19: 22,738,876 km (0.108 R)
• M20: 24,118,019 km (0.097 R)
• M21: 25,552,064 km (0.109 R)
• M22: 25,845,575 km (0.077 R)
• M23: 29,652,093 km (0.057 R)
• M24: 29,867,963 km (0.076 R)
• M25: 31,857,465 km (0.116 R)
• M26: 32,083,807 km (0.092 R)
• M27: 38,737,770 km (0.081 R)
• M28: 40,833,188 km (0.091 R)
• M29: 41,100,220 km (0.088 R)
• M30: 42,727,545 km (0.111 R)
• M31: 43,140,884 km (0.108 R)
• M32: 43,696,341 km (0.111 R)
• M33: 44,821,317 km (0.096 R)
• M34: 45,677,765 km (0.082 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 10,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit