🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.9

Radius: 10.5

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.71 AU - 0.97 AU

Year: 541 Days

Day: 14.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,476,094 km

• M1: 130,599 km (0.097 R)
• M2: 607,218 km (0.098 R)
• M3: 1,357,301 km (0.104 R)
• M4: 2,124,589 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.1

Radius: 13.2

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1 AU - 1.18 AU

Year: 800 Days

Day: 13.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,476,094 km

• M1: 164,258 km (0.081 R)
• M2: 641,476 km (0.118 R)
• M3: 1,573,919 km (0.08 R)
• M4: 2,030,641 km (0.087 R)
• M5: 2,482,577 km (0.072 R)
• M6: 2,978,793 km (0.087 R)
• M7: 4,847,420 km (0.073 R)
• M8: 5,395,098 km (0.114 R)
• M9: 6,099,105 km (0.107 R)
• M10: 6,947,624 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961

Radius: 13.2

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.23 AU - 1.93 AU

Year: 1396 Days

Day: 6.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,476,094 km

• M1: 164,109 km (0.08 R)
• M2: 1,057,358 km (0.079 R)
• M3: 1,713,494 km (0.079 R)
• M4: 2,906,537 km (0.08 R)
• M5: 3,533,651 km (0.1 R)
• M6: 4,554,657 km (0.044 R)
• M7: 5,695,041 km (0.111 R)
• M8: 6,505,563 km (0.11 R)
• M9: 7,256,394 km (0.076 R)
• M10: 9,055,758 km (0.071 R)
• M11: 10,026,199 km (0.107 R)
• M12: 12,442,803 km (0.112 R)
• M13: 13,113,151 km (0.096 R)
• M14: 13,849,023 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.9

Radius: 9.9

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.58 AU - 2.22 AU

Year: 1841 Days

Day: 10.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,476,094 km

• M1: 125,513 km (0.095 R)
• M2: 488,587 km (0.093 R)
• M3: 812,466 km (0.102 R)
• M4: 1,486,105 km (0.116 R)
• M5: 1,905,129 km (0.08 R)
• M6: 2,402,093 km (0.095 R)
• M7: 2,800,173 km (0.072 R)
• M8: 3,897,025 km (0.115 R)
• M9: 4,246,336 km (0.036 R)
• M10: 5,053,266 km (0.073 R)
• M11: 5,589,425 km (0.106 R)
• M12: 6,666,081 km (0.076 R)
• M13: 8,597,090 km (0.071 R)
• M14: 8,924,261 km (0.058 R)
• M15: 10,099,352 km (0.084 R)
• M16: 11,180,646 km (0.054 R)
• M17: 12,296,197 km (0.03 R)
• M18: 13,008,732 km (0.053 R)
• M19: 13,528,135 km (0.112 R)
• M20: 14,470,452 km (0.102 R)
• M21: 14,794,033 km (0.042 R)
• M22: 16,236,156 km (0.085 R)
• M23: 17,042,489 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.1

Radius: 8.2

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.55 AU - 3.93 AU

Year: 4099 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,476,094 km

• M1: 102,026 km (0.115 R)
• M2: 360,531 km (0.045 R)
• M3: 675,584 km (0.118 R)
• M4: 939,026 km (0.108 R)
• M5: 1,352,814 km (0.056 R)
• M6: 1,709,455 km (0.051 R)
• M7: 2,058,317 km (0.089 R)
• M8: 2,517,283 km (0.106 R)
• M9: 2,988,965 km (0.041 R)
• M10: 3,619,371 km (0.092 R)
• M11: 3,890,891 km (0.075 R)
• M12: 4,498,707 km (0.094 R)
• M13: 4,788,478 km (0.083 R)
• M14: 5,065,085 km (0.086 R)
• M15: 5,432,647 km (0.076 R)
• M16: 6,399,647 km (0.115 R)
• M17: 6,767,060 km (0.028 R)
• M18: 7,278,684 km (0.082 R)
• M19: 8,094,292 km (0.119 R)
• M20: 8,781,993 km (0.072 R)
• M21: 11,298,678 km (0.113 R)
• M22: 13,700,771 km (0.112 R)
• M23: 15,919,009 km (0.091 R)
• M24: 16,310,656 km (0.042 R)
• M25: 16,881,372 km (0.083 R)
• M26: 17,822,043 km (0.077 R)
• M27: 18,983,970 km (0.114 R)
• M28: 22,143,327 km (0.11 R)
• M29: 24,066,109 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.7

Radius: 12.3

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.05 AU - 4.07 AU

Year: 4722 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,476,094 km

• M1: 153,637 km (0.116 R)
• M2: 669,450 km (0.07 R)
• M3: 1,076,955 km (0.039 R)
• M4: 1,783,207 km (0.1 R)
• M5: 2,588,791 km (0.071 R)
• M6: 3,413,674 km (0.079 R)
• M7: 4,236,462 km (0.087 R)
• M8: 5,270,333 km (0.109 R)
• M9: 6,465,321 km (0.118 R)
• M10: 7,474,508 km (0.095 R)
• M11: 9,100,338 km (0.115 R)
• M12: 10,104,439 km (0.097 R)
• M13: 11,795,194 km (0.057 R)
• M14: 14,814,378 km (0.117 R)
• M15: 15,440,146 km (0.115 R)
• M16: 19,572,338 km (0.115 R)
• M17: 22,111,612 km (0.107 R)
• M18: 22,779,118 km (0.093 R)
• M19: 23,460,237 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.5

Radius: 11

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.79 AU - 5.71 AU

Year: 7277 Days

Day: 5.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 158.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,476,094 km

• M1: 138,228 km (0.026 R)
• M2: 522,545 km (0.091 R)
• M3: 3,182,994 km (0.108 R)
• M4: 4,348,511 km (0.084 R)
• M5: 6,117,955 km (0.084 R)
• M6: 10,372,967 km (0.097 R)
• M7: 11,978,900 km (0.086 R)
• M8: 23,871,183 km (0.109 R)
• M9: 24,506,974 km (0.069 R)
• M10: 26,313,368 km (0.103 R)
• M11: 31,404,333 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.5

Radius: 6.7

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7 AU - 7.98 AU

Year: 14409 Days

Day: 16.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,476,094 km

• M1: 83,326 km (0.1 R)
• M2: 633,846 km (0.094 R)
• M3: 897,886 km (0.12 R)
• M4: 1,299,258 km (0.115 R)
• M5: 1,950,008 km (0.074 R)
• M6: 3,098,920 km (0.089 R)
• M7: 3,681,903 km (0.094 R)
• M8: 3,985,437 km (0.089 R)
• M9: 4,769,779 km (0.063 R)
• M10: 4,997,616 km (0.111 R)
• M11: 5,652,705 km (0.053 R)
• M12: 6,883,596 km (0.101 R)
• M13: 7,871,990 km (0.061 R)
• M14: 8,190,783 km (0.048 R)
• M15: 8,470,830 km (0.046 R)
• M16: 9,707,256 km (0.099 R)
• M17: 10,180,584 km (0.099 R)
• M18: 15,295,634 km (0.112 R)
• M19: 16,520,691 km (0.09 R)
• M20: 16,818,092 km (0.037 R)
• M21: 17,119,232 km (0.106 R)
• M22: 22,529,739 km (0.086 R)
• M23: 23,452,159 km (0.101 R)
• M24: 23,922,644 km (0.114 R)
• M25: 25,569,567 km (0.11 R)
• M26: 26,572,771 km (0.088 R)
• M27: 29,195,371 km (0.113 R)
• M28: 33,267,874 km (0.092 R)
• M29: 33,981,456 km (0.08 R)
• M30: 35,810,140 km (0.106 R)
• M31: 36,058,772 km (0.081 R)
• M32: 41,005,524 km (0.106 R)
• M33: 54,979,013 km (0.107 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 13,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit