🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.1

Radius: 13

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.9 AU - 1.04 AU

Year: 617 Days

Day: 7.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,406,642 km

• M1: 161,865 km (0.12 R)
• M2: 655,538 km (0.046 R)
• M3: 1,352,514 km (0.063 R)
• M4: 1,760,917 km (0.1 R)
• M5: 2,554,982 km (0.069 R)
• M6: 2,968,321 km (0.104 R)
• M7: 4,313,056 km (0.117 R)
• M8: 5,078,100 km (0.079 R)
• M9: 8,214,718 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.6

Radius: 12.2

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.9 AU - 1.4 AU

Year: 796 Days

Day: 14.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,406,642 km

• M1: 151,692 km (0.104 R)
• M2: 555,158 km (0.062 R)
• M3: 1,068,428 km (0.04 R)
• M4: 1,578,557 km (0.119 R)
• M5: 2,715,650 km (0.075 R)
• M6: 3,129,288 km (0.081 R)
• M7: 3,785,724 km (0.098 R)
• M8: 4,565,428 km (0.097 R)
• M9: 5,064,935 km (0.09 R)
• M10: 5,774,777 km (0.093 R)
• M11: 6,339,359 km (0.084 R)
• M12: 8,108,653 km (0.112 R)
• M13: 8,714,076 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.3

Radius: 8.6

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.07 AU - 1.39 AU

Year: 881 Days

Day: 11.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,406,642 km

• M1: 108,159 km (0.071 R)
• M2: 390,002 km (0.09 R)
• M3: 796,160 km (0.106 R)
• M4: 1,197,082 km (0.066 R)
• M5: 1,518,867 km (0.053 R)
• M6: 1,787,395 km (0.104 R)
• M7: 2,069,387 km (0.061 R)
• M8: 3,039,829 km (0.041 R)
• M9: 3,418,611 km (0.114 R)
• M10: 3,786,173 km (0.09 R)
• M11: 4,698,570 km (0.117 R)
• M12: 5,206,305 km (0.062 R)
• M13: 5,997,678 km (0.056 R)
• M14: 7,037,383 km (0.118 R)
• M15: 7,657,017 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199

Radius: 11

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.59 AU - 2.01 AU

Year: 1559 Days

Day: 12 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,406,642 km

• M1: 140,772 km (0.09 R)
• M2: 521,947 km (0.114 R)
• M3: 1,041,800 km (0.085 R)
• M4: 2,534,188 km (0.075 R)
• M5: 4,916,085 km (0.044 R)
• M6: 5,392,405 km (0.118 R)
• M7: 6,964,230 km (0.119 R)
• M8: 8,303,729 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555

Radius: 14

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.35 AU - 3.81 AU

Year: 3490 Days

Day: 10.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,406,642 km

• M1: 174,132 km (0.117 R)
• M2: 656,585 km (0.097 R)
• M3: 1,199,476 km (0.108 R)
• M4: 1,779,167 km (0.089 R)
• M5: 2,398,054 km (0.119 R)
• M6: 2,888,436 km (0.069 R)
• M7: 3,870,546 km (0.108 R)
• M8: 4,373,943 km (0.07 R)
• M9: 5,386,571 km (0.062 R)
• M10: 6,237,483 km (0.049 R)
• M11: 6,963,182 km (0.08 R)
• M12: 7,712,219 km (0.048 R)
• M13: 8,207,238 km (0.085 R)
• M14: 11,300,174 km (0.085 R)
• M15: 12,604,518 km (0.098 R)
• M16: 13,718,424 km (0.058 R)
• M17: 14,447,265 km (0.099 R)
• M18: 15,719,445 km (0.102 R)
• M19: 16,517,849 km (0.108 R)
• M20: 18,080,548 km (0.075 R)
• M21: 20,356,231 km (0.11 R)
• M22: 21,240,953 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.6

Radius: 12.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.23 AU - 3.69 AU

Year: 4156 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,406,642 km

• M1: 160,668 km (0.117 R)
• M2: 644,019 km (0.097 R)
• M3: 1,195,736 km (0.087 R)
• M4: 1,891,067 km (0.087 R)
• M5: 2,505,166 km (0.065 R)
• M6: 3,158,161 km (0.117 R)
• M7: 3,735,758 km (0.114 R)
• M8: 6,938,349 km (0.076 R)
• M9: 7,715,959 km (0.05 R)
• M10: 9,561,249 km (0.05 R)
• M11: 10,237,132 km (0.1 R)
• M12: 10,691,461 km (0.026 R)
• M13: 11,202,337 km (0.104 R)
• M14: 11,684,790 km (0.054 R)
• M15: 12,880,825 km (0.088 R)
• M16: 16,618,528 km (0.103 R)
• M17: 18,309,732 km (0.096 R)
• M18: 19,604,203 km (0.091 R)
• M19: 21,290,320 km (0.081 R)
• M20: 24,433,970 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.9

Radius: 14.8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.46 AU - 3.92 AU

Year: 4577 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,406,642 km

• M1: 185,053 km (0.105 R)
• M2: 1,161,179 km (0.07 R)
• M3: 1,622,688 km (0.105 R)
• M4: 2,210,309 km (0.062 R)
• M5: 3,614,584 km (0.111 R)
• M6: 4,511,423 km (0.095 R)
• M7: 7,271,803 km (0.12 R)
• M8: 9,324,286 km (0.028 R)
• M9: 12,020,488 km (0.107 R)
• M10: 15,145,288 km (0.079 R)
• M11: 17,345,574 km (0.108 R)
• M12: 20,084,113 km (0.086 R)
• M13: 20,623,712 km (0.118 R)
• M14: 21,103,921 km (0.111 R)
• M15: 24,676,767 km (0.083 R)
• M16: 26,808,836 km (0.117 R)
• M17: 27,794,836 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.8

Radius: 9.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.98 AU - 6 AU

Year: 7197 Days

Day: 12.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 153.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,406,642 km

• M1: 123,119 km (0.059 R)
• M2: 472,729 km (0.096 R)
• M3: 976,276 km (0.066 R)
• M4: 1,783,655 km (0.104 R)
• M5: 2,443,831 km (0.083 R)
• M6: 4,120,823 km (0.042 R)
• M7: 4,527,580 km (0.113 R)
• M8: 5,007,938 km (0.05 R)
• M9: 6,401,143 km (0.089 R)
• M10: 8,639,427 km (0.078 R)
• M11: 9,673,148 km (0.087 R)
• M12: 10,086,188 km (0.107 R)
• M13: 10,867,238 km (0.1 R)
• M14: 11,562,419 km (0.111 R)
• M15: 15,137,659 km (0.089 R)
• M16: 17,229,785 km (0.098 R)
• M17: 18,920,540 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.2

Radius: 6.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.44 AU - 8.48 AU

Year: 15888 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,406,642 km

• M1: 83,775 km (0.1 R)
• M2: 289,921 km (0.052 R)
• M3: 562,039 km (0.097 R)
• M4: 783,444 km (0.096 R)
• M5: 1,362,687 km (0.117 R)
• M6: 2,246,661 km (0.095 R)
• M7: 2,800,771 km (0.056 R)
• M8: 3,534,848 km (0.046 R)
• M9: 4,336,543 km (0.102 R)
• M10: 5,162,473 km (0.053 R)
• M11: 6,716,944 km (0.111 R)
• M12: 7,310,848 km (0.101 R)
• M13: 7,818,583 km (0.045 R)
• M14: 8,560,140 km (0.061 R)
• M15: 9,666,715 km (0.031 R)
• M16: 12,485,588 km (0.111 R)
• M17: 13,040,895 km (0.093 R)
• M18: 14,501,120 km (0.036 R)
• M19: 16,991,625 km (0.101 R)
• M20: 19,310,542 km (0.084 R)
• M21: 20,660,214 km (0.108 R)
• M22: 26,508,743 km (0.079 R)
• M23: 31,201,777 km (0.075 R)
• M24: 33,372,143 km (0.055 R)
• M25: 36,307,852 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.3

Radius: 3.2

Gravity: 33.33 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.28 AU - 9.82 AU

Year: 19055 Days

Day: 18.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,406,642 km

• M1: 39,793 km (0.111 R)
• M2: 151,094 km (0.08 R)
• M3: 270,024 km (0.099 R)
• M4: 472,580 km (0.067 R)
• M5: 595,848 km (0.06 R)
• M6: 695,780 km (0.059 R)
• M7: 973,882 km (0.115 R)
• M8: 1,293,872 km (0.044 R)
• M9: 1,829,582 km (0.092 R)
• M10: 2,478,538 km (0.111 R)
• M11: 2,762,923 km (0.057 R)
• M12: 3,267,816 km (0.093 R)
• M13: 3,831,650 km (0.07 R)
• M14: 4,395,036 km (0.089 R)
• M15: 4,648,006 km (0.084 R)
• M16: 6,022,661 km (0.081 R)
• M17: 6,216,390 km (0.108 R)
• M18: 6,781,271 km (0.049 R)
• M19: 9,803,597 km (0.062 R)
• M20: 10,792,140 km (0.097 R)
• M21: 12,647,004 km (0.091 R)
• M22: 13,950,301 km (0.03 R)
• M23: 14,843,699 km (0.113 R)
• M24: 15,126,140 km (0.094 R)
• M25: 18,717,985 km (0.066 R)
• M26: 19,381,003 km (0.095 R)
• M27: 19,633,673 km (0.103 R)
• M28: 21,644,119 km (0.072 R)
• M29: 22,466,758 km (0.088 R)
• M30: 24,761,888 km (0.064 R)
• M31: 26,479,122 km (0.109 R)
• M32: 30,829,129 km (0.116 R)
• M33: 33,776,357 km (0.103 R)
• M34: 34,019,902 km (0.115 R)
• M35: 41,464,640 km (0.103 R)
• M36: 46,234,419 km (0.114 R)
• M37: 52,164,628 km (0.078 R)
• M38: 55,142,523 km (0.046 R)
• M39: 56,673,059 km (0.092 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 14,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit