🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.8

Radius: 14.1

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.8 AU - 0.82 AU

Year: 478 Days

Day: 14.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,438,616 km

• M1: 175,329 km (0.079 R)
• M2: 630,555 km (0.117 R)
• M3: 1,097,899 km (0.079 R)
• M4: 1,586,186 km (0.104 R)
• M5: 2,230,205 km (0.09 R)
• M6: 3,511,810 km (0.042 R)
• M7: 4,929,549 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.1

Radius: 8.9

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.09 AU - 1.35 AU

Year: 884 Days

Day: 7.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,438,616 km

• M1: 110,852 km (0.1 R)
• M2: 498,011 km (0.068 R)
• M3: 785,688 km (0.038 R)
• M4: 1,125,275 km (0.069 R)
• M5: 1,710,502 km (0.115 R)
• M6: 2,053,680 km (0.103 R)
• M7: 2,475,246 km (0.094 R)
• M8: 3,131,083 km (0.115 R)
• M9: 3,507,023 km (0.113 R)
• M10: 4,530,721 km (0.115 R)
• M11: 5,491,289 km (0.101 R)
• M12: 6,040,164 km (0.115 R)
• M13: 6,517,830 km (0.115 R)
• M14: 8,454,224 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.9

Radius: 8.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.26 AU - 1.62 AU

Year: 1134 Days

Day: 13.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,438,616 km

• M1: 117,135 km (0.11 R)
• M2: 857,645 km (0.048 R)
• M3: 1,712,596 km (0.081 R)
• M4: 2,026,453 km (0.087 R)
• M5: 2,293,036 km (0.025 R)
• M6: 3,292,799 km (0.098 R)
• M7: 4,126,059 km (0.05 R)
• M8: 4,571,861 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.5

Radius: 14.4

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.82 AU - 2.22 AU

Year: 1883 Days

Day: 5.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,438,616 km

• M1: 179,069 km (0.061 R)
• M2: 719,865 km (0.113 R)
• M3: 1,319,902 km (0.094 R)
• M4: 1,885,083 km (0.114 R)
• M5: 2,433,808 km (0.041 R)
• M6: 3,104,754 km (0.066 R)
• M7: 4,322,182 km (0.106 R)
• M8: 5,152,899 km (0.079 R)
• M9: 5,887,125 km (0.111 R)
• M10: 6,371,074 km (0.062 R)
• M11: 7,624,704 km (0.118 R)
• M12: 8,357,584 km (0.082 R)
• M13: 9,544,643 km (0.099 R)
• M14: 10,035,624 km (0.105 R)
• M15: 10,543,359 km (0.095 R)
• M16: 13,302,392 km (0.071 R)
• M17: 14,229,899 km (0.059 R)
• M18: 16,066,662 km (0.116 R)
• M19: 17,067,621 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.4

Radius: 13.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.39 AU - 3.81 AU

Year: 3581 Days

Day: 9.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,438,616 km

• M1: 164,258 km (0.105 R)
• M2: 760,705 km (0.083 R)
• M3: 1,710,502 km (0.027 R)
• M4: 2,764,269 km (0.111 R)
• M5: 3,250,612 km (0.065 R)
• M6: 4,516,659 km (0.103 R)
• M7: 4,987,892 km (0.045 R)
• M8: 6,059,312 km (0.073 R)
• M9: 6,728,463 km (0.075 R)
• M10: 8,996,816 km (0.091 R)
• M11: 9,465,805 km (0.085 R)
• M12: 9,992,091 km (0.09 R)
• M13: 10,666,777 km (0.064 R)
• M14: 11,237,194 km (0.059 R)
• M15: 12,583,126 km (0.076 R)
• M16: 13,878,793 km (0.108 R)
• M17: 15,873,680 km (0.104 R)
• M18: 16,329,056 km (0.078 R)
• M19: 22,283,052 km (0.083 R)
• M20: 23,362,400 km (0.044 R)
• M21: 26,411,205 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.7

Radius: 10.8

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.14 AU - 4.52 AU

Year: 5911 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,438,616 km

• M1: 137,780 km (0.108 R)
• M2: 948,301 km (0.074 R)
• M3: 1,368,073 km (0.095 R)
• M4: 1,884,036 km (0.114 R)
• M5: 2,664,936 km (0.098 R)
• M6: 3,032,947 km (0.08 R)
• M7: 3,434,917 km (0.113 R)
• M8: 3,849,901 km (0.118 R)
• M9: 4,754,669 km (0.054 R)
• M10: 5,328,227 km (0.082 R)
• M11: 6,070,532 km (0.057 R)
• M12: 6,613,722 km (0.113 R)
• M13: 6,982,331 km (0.119 R)
• M14: 7,507,120 km (0.077 R)
• M15: 8,171,335 km (0.09 R)
• M16: 10,762,819 km (0.102 R)
• M17: 11,559,727 km (0.051 R)
• M18: 12,295,000 km (0.11 R)
• M19: 13,165,809 km (0.071 R)
• M20: 14,801,961 km (0.108 R)
• M21: 16,939,565 km (0.104 R)
• M22: 21,306,926 km (0.05 R)
• M23: 23,400,398 km (0.078 R)
• M24: 24,736,307 km (0.087 R)
• M25: 27,302,210 km (0.109 R)
• M26: 27,645,687 km (0.082 R)
• M27: 29,406,902 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.1

Radius: 12.1

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.51 AU - 4.89 AU

Year: 6684 Days

Day: 9.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,438,616 km

• M1: 150,944 km (0.107 R)
• M2: 547,379 km (0.117 R)
• M3: 1,613,712 km (0.067 R)
• M4: 5,573,717 km (0.055 R)
• M5: 7,407,339 km (0.102 R)
• M6: 11,653,973 km (0.063 R)
• M7: 18,153,851 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.8

Radius: 7.2

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.11 AU - 8.03 AU

Year: 11047 Days

Day: 24.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,438,616 km

• M1: 109,206 km (0.097 R)
• M2: 613,052 km (0.111 R)
• M3: 1,085,931 km (0.119 R)
• M4: 1,473,838 km (0.095 R)
• M5: 2,113,220 km (0.106 R)
• M6: 2,527,306 km (0.107 R)
• M7: 2,878,263 km (0.066 R)
• M8: 3,236,400 km (0.115 R)
• M9: 4,188,441 km (0.047 R)
• M10: 4,681,067 km (0.114 R)
• M11: 5,075,407 km (0.056 R)
• M12: 5,930,359 km (0.088 R)
• M13: 6,235,688 km (0.083 R)
• M14: 7,172,470 km (0.089 R)
• M15: 7,696,960 km (0.066 R)
• M16: 7,922,853 km (0.067 R)
• M17: 8,483,396 km (0.049 R)
• M18: 9,020,004 km (0.12 R)
• M19: 10,378,352 km (0.106 R)
• M20: 12,663,609 km (0.06 R)
• M21: 14,293,329 km (0.106 R)
• M22: 14,635,309 km (0.101 R)
• M23: 19,676,159 km (0.111 R)
• M24: 20,615,335 km (0.074 R)
• M25: 22,307,735 km (0.11 R)
• M26: 22,953,998 km (0.086 R)
• M27: 24,283,624 km (0.079 R)
• M28: 25,165,204 km (0.099 R)
• M29: 25,865,322 km (0.099 R)
• M30: 27,200,184 km (0.094 R)
• M31: 30,229,840 km (0.102 R)
• M32: 34,814,117 km (0.042 R)
• M33: 36,949,776 km (0.109 R)
• M34: 42,456,923 km (0.08 R)
• M35: 50,039,590 km (0.081 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 11,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit