🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.51 AU - 0.73 AU

Year: 320 Days

Day: 23.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.6

Radius: 9.1

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.62 AU - 3.42 AU

Year: 3443 Days

Day: 13.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,153,356 km

• M1: 114,293 km (0.095 R)
• M2: 531,820 km (0.12 R)
• M3: 883,824 km (0.07 R)
• M4: 1,471,594 km (0.062 R)
• M5: 1,821,952 km (0.084 R)
• M6: 2,363,497 km (0.094 R)
• M7: 2,665,834 km (0.109 R)
• M8: 3,069,000 km (0.087 R)
• M9: 3,646,747 km (0.102 R)
• M10: 4,145,058 km (0.116 R)
• M11: 4,587,568 km (0.088 R)
• M12: 5,590,472 km (0.12 R)
• M13: 10,484,866 km (0.093 R)
• M14: 11,016,986 km (0.096 R)
• M15: 11,829,900 km (0.044 R)
• M16: 12,289,764 km (0.074 R)
• M17: 12,881,424 km (0.081 R)
• M18: 13,491,933 km (0.071 R)
• M19: 14,036,469 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.4

Radius: 11.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.23 AU - 4.81 AU

Year: 5287 Days

Day: 10.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,153,356 km

• M1: 145,708 km (0.052 R)
• M2: 592,108 km (0.042 R)
• M3: 1,180,028 km (0.083 R)
• M4: 1,550,881 km (0.04 R)
• M5: 1,961,826 km (0.06 R)
• M6: 2,445,776 km (0.112 R)
• M7: 3,062,568 km (0.085 R)
• M8: 4,080,581 km (0.055 R)
• M9: 4,753,173 km (0.081 R)
• M10: 5,206,903 km (0.034 R)
• M11: 5,772,832 km (0.055 R)
• M12: 6,290,142 km (0.103 R)
• M13: 9,049,923 km (0.077 R)
• M14: 10,866,191 km (0.094 R)
• M15: 12,251,168 km (0.104 R)
• M16: 13,107,616 km (0.056 R)
• M17: 14,623,192 km (0.085 R)
• M18: 16,308,861 km (0.11 R)
• M19: 18,241,815 km (0.092 R)
• M20: 19,676,458 km (0.117 R)
• M21: 21,387,260 km (0.059 R)
• M22: 21,864,327 km (0.067 R)
• M23: 22,628,324 km (0.105 R)
• M24: 23,554,035 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.7

Radius: 8.1

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.81 AU - 4.61 AU

Year: 5667 Days

Day: 10 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,153,356 km

• M1: 100,829 km (0.116 R)
• M2: 413,638 km (0.113 R)
• M3: 667,207 km (0.111 R)
• M4: 1,823,000 km (0.066 R)
• M5: 2,618,561 km (0.117 R)
• M6: 3,340,969 km (0.119 R)
• M7: 3,931,133 km (0.09 R)
• M8: 4,697,822 km (0.087 R)
• M9: 5,486,951 km (0.103 R)
• M10: 6,042,856 km (0.081 R)
• M11: 6,334,722 km (0.095 R)
• M12: 8,352,498 km (0.077 R)
• M13: 10,649,424 km (0.111 R)
• M14: 11,513,950 km (0.065 R)
• M15: 14,481,822 km (0.043 R)
• M16: 16,141,461 km (0.082 R)
• M17: 17,227,691 km (0.117 R)
• M18: 18,694,947 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.9

Radius: 8.5

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.32 AU - 5.78 AU

Year: 7445 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,153,356 km

• M1: 106,663 km (0.056 R)
• M2: 596,447 km (0.037 R)
• M3: 957,426 km (0.095 R)
• M4: 1,341,743 km (0.063 R)
• M5: 2,919,103 km (0.106 R)
• M6: 4,108,406 km (0.077 R)
• M7: 4,642,620 km (0.095 R)
• M8: 5,043,543 km (0.077 R)
• M9: 5,313,417 km (0.087 R)
• M10: 5,592,866 km (0.112 R)
• M11: 6,215,343 km (0.11 R)
• M12: 6,919,650 km (0.072 R)
• M13: 7,291,251 km (0.039 R)
• M14: 7,993,613 km (0.08 R)
• M15: 8,444,650 km (0.115 R)
• M16: 9,130,856 km (0.033 R)
• M17: 10,324,647 km (0.082 R)
• M18: 11,567,506 km (0.074 R)
• M19: 12,796,452 km (0.025 R)
• M20: 14,830,385 km (0.119 R)
• M21: 15,386,440 km (0.095 R)
• M22: 16,474,466 km (0.074 R)
• M23: 17,612,905 km (0.113 R)
• M24: 18,306,740 km (0.073 R)
• M25: 18,589,181 km (0.107 R)
• M26: 22,131,060 km (0.115 R)
• M27: 23,184,828 km (0.067 R)
• M28: 27,274,534 km (0.06 R)
• M29: 28,296,736 km (0.11 R)
• M30: 35,189,907 km (0.065 R)
• M31: 38,789,381 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.7

Radius: 4.1

Gravity: 35.38 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.13 AU - 7.69 AU

Year: 10646 Days

Day: 20.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,153,356 km

• M1: 81,232 km (0.107 R)
• M2: 393,442 km (0.062 R)
• M3: 586,274 km (0.077 R)
• M4: 1,469,799 km (0.082 R)
• M5: 1,793,828 km (0.111 R)
• M6: 2,483,025 km (0.114 R)
• M7: 2,811,393 km (0.076 R)
• M8: 3,168,034 km (0.079 R)
• M9: 3,479,646 km (0.096 R)
• M10: 5,722,867 km (0.091 R)
• M11: 6,480,580 km (0.063 R)
• M12: 7,718,053 km (0.074 R)
• M13: 10,337,961 km (0.107 R)
• M14: 16,810,014 km (0.063 R)
• M15: 17,752,929 km (0.117 R)
• M16: 20,062,570 km (0.08 R)
• M17: 20,304,021 km (0.089 R)
• M18: 21,205,797 km (0.081 R)
• M19: 28,990,123 km (0.106 R)
• M20: 29,713,578 km (0.08 R)
• M21: 30,237,619 km (0.082 R)
• M22: 34,769,687 km (0.113 R)
• M23: 35,234,637 km (0.092 R)
• M24: 38,235,121 km (0.097 R)
• M25: 38,606,274 km (0.078 R)
• M26: 39,355,609 km (0.068 R)
• M27: 46,401,669 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.6

Radius: 5.8

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.61 AU - 9.29 AU

Year: 16114 Days

Day: 21.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,153,356 km

• M1: 72,256 km (0.1 R)
• M2: 266,434 km (0.094 R)
• M3: 620,831 km (0.11 R)
• M4: 941,868 km (0.041 R)
• M5: 1,513,930 km (0.089 R)
• M6: 2,081,954 km (0.079 R)
• M7: 2,699,942 km (0.109 R)
• M8: 3,579,727 km (0.103 R)
• M9: 4,017,600 km (0.063 R)
• M10: 5,783,603 km (0.085 R)
• M11: 7,147,637 km (0.077 R)
• M12: 8,053,452 km (0.081 R)
• M13: 8,623,270 km (0.117 R)
• M14: 9,313,814 km (0.104 R)
• M15: 11,497,195 km (0.091 R)
• M16: 13,938,034 km (0.054 R)
• M17: 15,477,246 km (0.104 R)
• M18: 17,628,763 km (0.075 R)
• M19: 18,363,288 km (0.082 R)
• M20: 19,814,687 km (0.091 R)
• M21: 24,444,741 km (0.117 R)
• M22: 28,831,549 km (0.083 R)
• M23: 32,283,520 km (0.087 R)
• M24: 33,159,864 km (0.027 R)
• M25: 34,277,659 km (0.104 R)
• M26: 36,824,713 km (0.12 R)
• M27: 40,750,460 km (0.039 R)
• M28: 41,132,234 km (0.107 R)
• M29: 42,552,516 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.1

Radius: 7.1

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 9.03 AU - 11.97 AU

Year: 22320 Days

Day: 17.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,153,356 km

• M1: 89,908 km (0.093 R)
• M2: 333,304 km (0.067 R)
• M3: 1,917,246 km (0.078 R)
• M4: 2,632,324 km (0.118 R)
• M5: 2,914,765 km (0.103 R)
• M6: 4,643,219 km (0.101 R)
• M7: 6,573,630 km (0.1 R)
• M8: 6,918,752 km (0.067 R)
• M9: 13,377,640 km (0.086 R)
• M10: 17,917,337 km (0.064 R)
• M11: 18,934,303 km (0.118 R)
• M12: 20,440,155 km (0.071 R)
• M13: 24,499,643 km (0.09 R)
• M14: 25,120,175 km (0.067 R)
• M15: 31,306,047 km (0.091 R)
• M16: 37,609,653 km (0.082 R)
• M17: 39,132,409 km (0.12 R)
• M18: 46,103,521 km (0.088 R)
• M19: 55,791,479 km (0.086 R)
• M20: 56,864,993 km (0.109 R)
• M21: 60,355,111 km (0.117 R)
• M22: 61,676,210 km (0.08 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 16,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit