🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.8

Radius: 8.6

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.56 AU - 0.56 AU

Year: 279 Days

Day: 6.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,948,186 km

• M1: 106,962 km (0.072 R)
• M2: 385,514 km (0.047 R)
• M3: 759,957 km (0.106 R)
• M4: 1,109,717 km (0.105 R)
• M5: 1,519,017 km (0.117 R)
• M6: 1,932,954 km (0.084 R)
• M7: 2,598,216 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.7

Radius: 13

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.81 AU - 0.89 AU

Year: 523 Days

Day: 11.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,948,186 km

• M1: 161,715 km (0.031 R)
• M2: 605,123 km (0.092 R)
• M3: 1,090,868 km (0.109 R)
• M4: 1,695,542 km (0.105 R)
• M5: 2,229,756 km (0.095 R)
• M6: 3,243,581 km (0.097 R)
• M7: 4,247,682 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.3

Radius: 14.6

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.18 AU - 2.8 AU

Year: 2620 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,948,186 km

• M1: 183,108 km (0.106 R)
• M2: 731,833 km (0.107 R)
• M3: 1,806,544 km (0.077 R)
• M4: 2,611,380 km (0.114 R)
• M5: 3,664,101 km (0.095 R)
• M6: 4,584,128 km (0.063 R)
• M7: 5,076,155 km (0.047 R)
• M8: 6,657,105 km (0.087 R)
• M9: 7,380,261 km (0.035 R)
• M10: 8,187,491 km (0.073 R)
• M11: 9,121,880 km (0.04 R)
• M12: 9,615,254 km (0.112 R)
• M13: 11,005,616 km (0.114 R)
• M14: 13,539,804 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.4

Radius: 13

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.15 AU - 3.39 AU

Year: 3943 Days

Day: 9.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,948,186 km

• M1: 165,904 km (0.075 R)
• M2: 954,285 km (0.061 R)
• M3: 1,542,952 km (0.104 R)
• M4: 2,064,451 km (0.092 R)
• M5: 3,963,296 km (0.081 R)
• M6: 4,956,028 km (0.11 R)
• M7: 6,159,543 km (0.115 R)
• M8: 7,026,762 km (0.055 R)
• M9: 7,460,595 km (0.049 R)
• M10: 7,912,231 km (0.111 R)
• M11: 10,789,148 km (0.119 R)
• M12: 16,569,161 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.9

Radius: 11.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.55 AU - 3.91 AU

Year: 4804 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,948,186 km

• M1: 147,952 km (0.086 R)
• M2: 932,444 km (0.101 R)
• M3: 1,401,882 km (0.067 R)
• M4: 2,202,679 km (0.115 R)
• M5: 2,722,831 km (0.09 R)
• M6: 3,197,056 km (0.054 R)
• M7: 5,411,703 km (0.072 R)
• M8: 6,336,966 km (0.088 R)
• M9: 7,144,645 km (0.095 R)
• M10: 9,001,005 km (0.061 R)
• M11: 9,520,857 km (0.049 R)
• M12: 10,867,388 km (0.068 R)
• M13: 11,414,467 km (0.116 R)
• M14: 11,979,947 km (0.099 R)
• M15: 12,518,350 km (0.109 R)
• M16: 15,404,093 km (0.111 R)
• M17: 18,587,835 km (0.054 R)
• M18: 21,197,719 km (0.063 R)
• M19: 21,655,339 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.3

Radius: 10.5

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.81 AU - 4.87 AU

Year: 6029 Days

Day: 8.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,948,186 km

• M1: 132,245 km (0.093 R)
• M2: 682,765 km (0.086 R)
• M3: 1,126,322 km (0.033 R)
• M4: 1,529,638 km (0.086 R)
• M5: 2,233,945 km (0.082 R)
• M6: 2,686,778 km (0.12 R)
• M7: 3,756,552 km (0.102 R)
• M8: 4,622,574 km (0.073 R)
• M9: 5,197,479 km (0.083 R)
• M10: 5,530,932 km (0.111 R)
• M11: 6,714,700 km (0.115 R)
• M12: 8,319,437 km (0.097 R)
• M13: 10,733,647 km (0.098 R)
• M14: 11,601,464 km (0.092 R)
• M15: 12,864,220 km (0.063 R)
• M16: 14,109,024 km (0.115 R)
• M17: 20,169,234 km (0.114 R)
• M18: 26,360,192 km (0.113 R)
• M19: 27,432,210 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.4

Radius: 9.8

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.06 AU - 5.08 AU

Year: 6515 Days

Day: 11.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,948,186 km

• M1: 122,820 km (0.114 R)
• M2: 711,637 km (0.102 R)
• M3: 1,193,492 km (0.118 R)
• M4: 1,576,911 km (0.088 R)
• M5: 1,996,384 km (0.116 R)
• M6: 2,956,204 km (0.048 R)
• M7: 3,348,000 km (0.091 R)
• M8: 3,954,620 km (0.043 R)
• M9: 4,819,445 km (0.099 R)
• M10: 7,643,554 km (0.045 R)
• M11: 11,723,836 km (0.086 R)
• M12: 15,624,450 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.7

Radius: 10

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4 AU - 5.72 AU

Year: 7145 Days

Day: 10.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,948,186 km

• M1: 144,661 km (0.109 R)
• M2: 722,558 km (0.078 R)
• M3: 1,961,976 km (0.119 R)
• M4: 2,296,477 km (0.092 R)
• M5: 3,130,934 km (0.085 R)
• M6: 3,555,792 km (0.116 R)
• M7: 6,002,914 km (0.085 R)
• M8: 6,552,985 km (0.102 R)
• M9: 7,022,423 km (0.107 R)
• M10: 9,298,854 km (0.062 R)
• M11: 17,658,832 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.9

Radius: 4.1

Gravity: 48.77 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.45 AU - 9.31 AU

Year: 14751 Days

Day: 23.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,948,186 km

• M1: 51,013 km (0.109 R)
• M2: 510,129 km (0.112 R)
• M3: 1,195,885 km (0.033 R)
• M4: 1,348,026 km (0.062 R)
• M5: 1,691,653 km (0.065 R)
• M6: 1,902,287 km (0.077 R)
• M7: 2,271,644 km (0.119 R)
• M8: 2,641,001 km (0.076 R)
• M9: 3,203,040 km (0.09 R)
• M10: 3,666,943 km (0.119 R)
• M11: 3,811,455 km (0.085 R)
• M12: 4,268,476 km (0.095 R)
• M13: 4,863,726 km (0.055 R)
• M14: 5,003,301 km (0.094 R)
• M15: 5,512,682 km (0.113 R)
• M16: 5,897,148 km (0.072 R)
• M17: 7,338,673 km (0.025 R)
• M18: 8,092,048 km (0.101 R)
• M19: 8,895,538 km (0.09 R)
• M20: 9,157,185 km (0.061 R)
• M21: 9,532,077 km (0.111 R)
• M22: 11,685,688 km (0.027 R)
• M23: 16,685,847 km (0.099 R)
• M24: 19,959,348 km (0.064 R)
• M25: 21,324,578 km (0.086 R)
• M26: 34,299,052 km (0.1 R)
• M27: 37,323,023 km (0.077 R)
• M28: 40,520,079 km (0.064 R)
• M29: 43,444,418 km (0.11 R)
• M30: 44,652,571 km (0.104 R)
• M31: 49,382,556 km (0.091 R)
• M32: 52,374,813 km (0.077 R)
• M33: 53,570,399 km (0.054 R)
• M34: 64,769,146 km (0.065 R)
• M35: 65,553,637 km (0.074 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 16,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit