🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.6

Radius: 13.8

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.94 AU - 1.36 AU

Year: 836 Days

Day: 5.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,673,654 km

• M1: 171,589 km (0.1 R)
• M2: 880,683 km (0.098 R)
• M3: 2,676,306 km (0.044 R)
• M4: 3,521,384 km (0.114 R)
• M5: 3,975,414 km (0.06 R)
• M6: 4,966,350 km (0.101 R)
• M7: 5,402,578 km (0.085 R)
• M8: 6,010,244 km (0.045 R)
• M9: 7,460,147 km (0.075 R)
• M10: 8,215,317 km (0.058 R)
• M11: 9,020,752 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.7

Radius: 11.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.08 AU - 1.48 AU

Year: 982 Days

Day: 5.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,673,654 km

• M1: 145,559 km (0.118 R)
• M2: 651,798 km (0.1 R)
• M3: 1,048,232 km (0.117 R)
• M4: 1,497,325 km (0.073 R)
• M5: 2,122,195 km (0.077 R)
• M6: 3,135,571 km (0.046 R)
• M7: 3,501,338 km (0.063 R)
• M8: 3,881,167 km (0.067 R)
• M9: 4,724,600 km (0.091 R)
• M10: 5,261,806 km (0.109 R)
• M11: 6,133,812 km (0.106 R)
• M12: 6,521,121 km (0.106 R)
• M13: 6,946,577 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.9

Radius: 11.9

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.54 AU - 2.16 AU

Year: 1707 Days

Day: 5.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,673,654 km

• M1: 147,952 km (0.115 R)
• M2: 653,144 km (0.084 R)
• M3: 1,494,782 km (0.117 R)
• M4: 2,062,655 km (0.056 R)
• M5: 3,199,001 km (0.118 R)
• M6: 3,742,340 km (0.109 R)
• M7: 4,208,936 km (0.054 R)
• M8: 4,630,802 km (0.084 R)
• M9: 6,144,882 km (0.115 R)
• M10: 7,757,697 km (0.052 R)
• M11: 8,270,817 km (0.044 R)
• M12: 8,742,350 km (0.07 R)
• M13: 9,198,623 km (0.082 R)
• M14: 11,260,830 km (0.118 R)
• M15: 12,727,488 km (0.1 R)
• M16: 13,744,753 km (0.097 R)
• M17: 14,587,887 km (0.063 R)
• M18: 15,137,809 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.3

Radius: 14.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.6 AU - 2.48 AU

Year: 1976 Days

Day: 6.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,673,654 km

• M1: 187,446 km (0.043 R)
• M2: 1,329,775 km (0.119 R)
• M3: 1,817,465 km (0.094 R)
• M4: 3,223,236 km (0.098 R)
• M5: 3,842,272 km (0.033 R)
• M6: 4,314,253 km (0.051 R)
• M7: 6,417,449 km (0.036 R)
• M8: 7,243,678 km (0.053 R)
• M9: 8,768,978 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.6

Radius: 11.5

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.05 AU - 3.69 AU

Year: 4196 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,673,654 km

• M1: 143,165 km (0.041 R)
• M2: 538,104 km (0.105 R)
• M3: 1,004,101 km (0.042 R)
• M4: 1,398,590 km (0.118 R)
• M5: 1,818,213 km (0.111 R)
• M6: 2,353,623 km (0.101 R)
• M7: 3,899,568 km (0.117 R)
• M8: 4,368,557 km (0.102 R)
• M9: 5,364,280 km (0.113 R)
• M10: 5,767,297 km (0.112 R)
• M11: 7,031,549 km (0.026 R)
• M12: 7,984,188 km (0.114 R)
• M13: 9,509,338 km (0.074 R)
• M14: 13,439,723 km (0.032 R)
• M15: 17,017,805 km (0.073 R)
• M16: 17,955,036 km (0.065 R)
• M17: 24,865,709 km (0.038 R)
• M18: 25,343,674 km (0.1 R)
• M19: 26,897,847 km (0.062 R)
• M20: 27,740,831 km (0.076 R)
• M21: 30,195,283 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.7

Radius: 14.5

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.39 AU - 4.63 AU

Year: 6496 Days

Day: 6.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,673,654 km

• M1: 181,163 km (0.1 R)
• M2: 707,299 km (0.067 R)
• M3: 1,280,259 km (0.104 R)
• M4: 2,071,781 km (0.063 R)
• M5: 3,679,808 km (0.07 R)
• M6: 4,718,616 km (0.11 R)
• M7: 5,262,703 km (0.116 R)
• M8: 7,115,324 km (0.115 R)
• M9: 8,271,117 km (0.1 R)
• M10: 9,459,672 km (0.091 R)
• M11: 10,759,079 km (0.099 R)
• M12: 12,069,556 km (0.034 R)
• M13: 17,034,111 km (0.094 R)
• M14: 18,113,759 km (0.079 R)
• M15: 20,186,587 km (0.12 R)
• M16: 22,018,114 km (0.117 R)
• M17: 22,572,673 km (0.084 R)
• M18: 23,709,617 km (0.089 R)
• M19: 24,376,375 km (0.115 R)
• M20: 26,274,323 km (0.097 R)
• M21: 27,899,105 km (0.111 R)
• M22: 32,253,151 km (0.097 R)
• M23: 33,799,844 km (0.106 R)
• M24: 34,751,286 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.2

Radius: 12.4

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.37 AU - 6.75 AU

Year: 8892 Days

Day: 13 Hours

Environment

Temp: -230 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,673,654 km

• M1: 154,385 km (0.079 R)
• M2: 596,148 km (0.106 R)
• M3: 1,371,364 km (0.085 R)
• M4: 1,817,764 km (0.064 R)
• M5: 2,345,246 km (0.101 R)
• M6: 2,877,665 km (0.102 R)
• M7: 3,735,459 km (0.074 R)
• M8: 5,174,142 km (0.116 R)
• M9: 5,768,793 km (0.08 R)
• M10: 7,131,031 km (0.117 R)
• M11: 7,983,590 km (0.092 R)
• M12: 9,154,193 km (0.085 R)
• M13: 9,539,856 km (0.078 R)
• M14: 10,715,546 km (0.101 R)
• M15: 11,192,613 km (0.116 R)
• M16: 12,762,494 km (0.093 R)
• M17: 13,408,008 km (0.12 R)
• M18: 15,901,655 km (0.025 R)
• M19: 17,748,890 km (0.114 R)
• M20: 19,948,577 km (0.098 R)
• M21: 21,487,490 km (0.11 R)
• M22: 21,941,370 km (0.107 R)
• M23: 22,868,428 km (0.072 R)
• M24: 23,341,606 km (0.104 R)
• M25: 26,147,613 km (0.09 R)
• M26: 27,542,913 km (0.095 R)
• M27: 33,018,494 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397

Radius: 6.4

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.55 AU - 11.61 AU

Year: 20111 Days

Day: 17 Hours

Environment

Temp: -244 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,673,654 km

• M1: 82,578 km (0.087 R)
• M2: 843,283 km (0.102 R)
• M3: 1,236,426 km (0.106 R)
• M4: 1,630,617 km (0.098 R)
• M5: 2,344,199 km (0.112 R)
• M6: 3,171,924 km (0.089 R)
• M7: 4,304,080 km (0.088 R)
• M8: 4,824,831 km (0.099 R)
• M9: 6,556,426 km (0.111 R)
• M10: 7,933,773 km (0.058 R)
• M11: 8,515,410 km (0.112 R)
• M12: 8,715,422 km (0.029 R)
• M13: 9,125,021 km (0.106 R)
• M14: 9,927,464 km (0.076 R)
• M15: 12,296,047 km (0.107 R)
• M16: 12,681,112 km (0.104 R)
• M17: 18,196,935 km (0.077 R)
• M18: 19,724,778 km (0.083 R)
• M19: 21,428,249 km (0.096 R)
• M20: 22,458,081 km (0.085 R)
• M21: 32,761,934 km (0.074 R)
• M22: 37,906,754 km (0.094 R)
• M23: 42,975,429 km (0.111 R)
• M24: 43,269,539 km (0.107 R)
• M25: 45,214,311 km (0.083 R)
• M26: 55,817,658 km (0.05 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 16,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit