🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.9

Radius: 10.4

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.8 AU - 1.08 AU

Year: 608 Days

Day: 11.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,459,636 km

• M1: 129,402 km (0.098 R)
• M2: 637,736 km (0.051 R)
• M3: 1,048,831 km (0.076 R)
• M4: 1,385,426 km (0.056 R)
• M5: 1,999,376 km (0.073 R)
• M6: 2,506,812 km (0.099 R)
• M7: 3,295,043 km (0.06 R)
• M8: 4,752,724 km (0.064 R)
• M9: 5,919,737 km (0.093 R)
• M10: 6,460,384 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.9

Radius: 12.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.47 AU - 1.83 AU

Year: 1413 Days

Day: 8.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,459,636 km

• M1: 160,369 km (0.058 R)
• M2: 571,763 km (0.056 R)
• M3: 1,070,522 km (0.061 R)
• M4: 1,696,739 km (0.114 R)
• M5: 2,499,332 km (0.115 R)
• M6: 3,133,028 km (0.09 R)
• M7: 4,326,969 km (0.106 R)
• M8: 5,106,224 km (0.062 R)
• M9: 5,530,035 km (0.108 R)
• M10: 6,198,588 km (0.08 R)
• M11: 6,729,062 km (0.06 R)
• M12: 7,828,756 km (0.077 R)
• M13: 8,560,738 km (0.09 R)
• M14: 9,456,979 km (0.08 R)
• M15: 10,098,903 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.3

Radius: 9.3

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.13 AU - 3.97 AU

Year: 4460 Days

Day: 12.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,459,636 km

• M1: 115,639 km (0.106 R)
• M2: 408,552 km (0.109 R)
• M3: 706,850 km (0.106 R)
• M4: 1,006,644 km (0.118 R)
• M5: 1,697,637 km (0.089 R)
• M6: 2,103,795 km (0.091 R)
• M7: 2,442,185 km (0.088 R)
• M8: 2,870,933 km (0.097 R)
• M9: 3,210,221 km (0.07 R)
• M10: 4,767,983 km (0.071 R)
• M11: 5,191,495 km (0.082 R)
• M12: 5,755,928 km (0.115 R)
• M13: 6,582,456 km (0.11 R)
• M14: 8,318,838 km (0.102 R)
• M15: 8,622,672 km (0.111 R)
• M16: 10,125,382 km (0.113 R)
• M17: 10,648,376 km (0.078 R)
• M18: 11,748,070 km (0.082 R)
• M19: 13,852,314 km (0.082 R)
• M20: 14,661,190 km (0.099 R)
• M21: 15,049,396 km (0.112 R)
• M22: 16,255,005 km (0.108 R)
• M23: 18,857,410 km (0.104 R)
• M24: 19,783,271 km (0.065 R)
• M25: 21,941,071 km (0.118 R)
• M26: 25,504,492 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 10.8

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.55 AU - 4.55 AU

Year: 5435 Days

Day: 14.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,459,636 km

• M1: 134,638 km (0.054 R)
• M2: 530,923 km (0.076 R)
• M3: 902,973 km (0.049 R)
• M4: 1,266,496 km (0.099 R)
• M5: 2,370,528 km (0.106 R)
• M6: 3,500,291 km (0.058 R)
• M7: 4,766,487 km (0.082 R)
• M8: 6,414,757 km (0.103 R)
• M9: 9,192,041 km (0.062 R)
• M10: 10,062,402 km (0.087 R)
• M11: 11,469,818 km (0.1 R)
• M12: 13,326,926 km (0.112 R)
• M13: 16,918,173 km (0.102 R)
• M14: 17,825,185 km (0.111 R)
• M15: 23,402,792 km (0.054 R)
• M16: 25,187,793 km (0.093 R)
• M17: 25,774,217 km (0.043 R)
• M18: 30,231,934 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.6

Radius: 9

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.56 AU - 5.22 AU

Year: 6134 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,459,636 km

• M1: 112,498 km (0.09 R)
• M2: 464,352 km (0.105 R)
• M3: 839,094 km (0.086 R)
• M4: 1,123,630 km (0.085 R)
• M5: 1,438,384 km (0.075 R)
• M6: 1,756,877 km (0.086 R)
• M7: 2,575,178 km (0.057 R)
• M8: 3,493,260 km (0.087 R)
• M9: 4,535,359 km (0.112 R)
• M10: 4,943,910 km (0.065 R)
• M11: 5,376,847 km (0.113 R)
• M12: 6,252,593 km (0.103 R)
• M13: 7,184,288 km (0.115 R)
• M14: 7,589,399 km (0.074 R)
• M15: 9,848,177 km (0.1 R)
• M16: 10,675,753 km (0.095 R)
• M17: 15,400,802 km (0.116 R)
• M18: 17,091,258 km (0.047 R)
• M19: 18,763,463 km (0.079 R)
• M20: 20,033,100 km (0.071 R)
• M21: 20,395,725 km (0.075 R)
• M22: 20,836,739 km (0.106 R)
• M23: 21,890,208 km (0.071 R)
• M24: 24,928,690 km (0.064 R)
• M25: 25,264,088 km (0.041 R)
• M26: 28,969,478 km (0.101 R)
• M27: 30,376,147 km (0.104 R)
• M28: 31,631,722 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 12.6

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.81 AU - 5.01 AU

Year: 6176 Days

Day: 6.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,459,636 km

• M1: 156,629 km (0.098 R)
• M2: 567,425 km (0.037 R)
• M3: 1,012,030 km (0.053 R)
• M4: 1,501,215 km (0.061 R)
• M5: 2,179,043 km (0.102 R)
• M6: 2,861,508 km (0.094 R)
• M7: 4,396,831 km (0.091 R)
• M8: 5,230,091 km (0.053 R)
• M9: 5,976,435 km (0.041 R)
• M10: 7,034,241 km (0.109 R)
• M11: 8,567,171 km (0.046 R)
• M12: 10,725,419 km (0.116 R)
• M13: 12,592,251 km (0.103 R)
• M14: 13,712,440 km (0.037 R)
• M15: 14,552,432 km (0.075 R)
• M16: 15,605,451 km (0.085 R)
• M17: 17,928,557 km (0.087 R)
• M18: 18,594,118 km (0.045 R)
• M19: 19,693,213 km (0.118 R)
• M20: 22,324,041 km (0.074 R)
• M21: 25,596,196 km (0.1 R)
• M22: 28,902,907 km (0.096 R)
• M23: 29,449,837 km (0.084 R)
• M24: 30,096,698 km (0.067 R)
• M25: 31,514,736 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.5

Radius: 9.7

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.87 AU - 5.47 AU

Year: 6730 Days

Day: 14.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,459,636 km

• M1: 124,765 km (0.098 R)
• M2: 582,983 km (0.04 R)
• M3: 1,039,855 km (0.091 R)
• M4: 1,865,785 km (0.093 R)
• M5: 2,180,987 km (0.078 R)
• M6: 2,497,088 km (0.044 R)
• M7: 3,285,768 km (0.119 R)
• M8: 4,107,808 km (0.098 R)
• M9: 4,540,894 km (0.05 R)
• M10: 5,321,047 km (0.105 R)
• M11: 5,681,578 km (0.062 R)
• M12: 8,479,058 km (0.087 R)
• M13: 8,847,068 km (0.109 R)
• M14: 9,527,888 km (0.095 R)
• M15: 9,881,239 km (0.082 R)
• M16: 12,188,187 km (0.087 R)
• M17: 12,604,817 km (0.101 R)
• M18: 13,855,904 km (0.099 R)
• M19: 14,482,719 km (0.094 R)
• M20: 15,367,890 km (0.104 R)
• M21: 15,916,017 km (0.083 R)
• M22: 16,730,727 km (0.119 R)
• M23: 18,375,256 km (0.087 R)
• M24: 19,412,119 km (0.12 R)
• M25: 19,837,725 km (0.113 R)
• M26: 22,059,403 km (0.077 R)
• M27: 22,600,798 km (0.08 R)
• M28: 24,606,755 km (0.097 R)
• M29: 26,036,911 km (0.118 R)
• M30: 27,879,059 km (0.057 R)
• M31: 29,339,733 km (0.104 R)
• M32: 29,900,426 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216

Radius: 12.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.73 AU - 5.93 AU

Year: 7079 Days

Day: 13.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,459,636 km

• M1: 160,369 km (0.07 R)
• M2: 613,052 km (0.087 R)
• M3: 1,128,566 km (0.11 R)
• M4: 1,595,910 km (0.054 R)
• M5: 2,151,367 km (0.081 R)
• M6: 3,657,518 km (0.104 R)
• M7: 4,103,918 km (0.108 R)
• M8: 4,707,247 km (0.106 R)
• M9: 7,298,282 km (0.057 R)
• M10: 8,547,125 km (0.109 R)
• M11: 9,613,309 km (0.084 R)
• M12: 10,055,670 km (0.04 R)
• M13: 12,381,468 km (0.068 R)
• M14: 12,954,278 km (0.074 R)
• M15: 14,726,414 km (0.068 R)
• M16: 15,533,495 km (0.091 R)
• M17: 19,185,628 km (0.105 R)
• M18: 20,083,365 km (0.101 R)
• M19: 20,874,887 km (0.096 R)
• M20: 21,346,120 km (0.059 R)
• M21: 22,031,727 km (0.102 R)
• M22: 22,450,003 km (0.034 R)
• M23: 25,452,432 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.1

Radius: 6.9

Gravity: 14.24 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.38 AU - 8.54 AU

Year: 16409 Days

Day: 15.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,459,636 km

• M1: 86,767 km (0.06 R)
• M2: 423,512 km (0.078 R)
• M3: 841,787 km (0.113 R)
• M4: 1,073,963 km (0.11 R)
• M5: 1,496,577 km (0.027 R)
• M6: 2,811,393 km (0.034 R)
• M7: 4,145,357 km (0.095 R)
• M8: 5,362,934 km (0.102 R)
• M9: 7,289,455 km (0.111 R)
• M10: 7,990,621 km (0.108 R)
• M11: 10,949,068 km (0.101 R)
• M12: 11,310,497 km (0.114 R)
• M13: 13,579,448 km (0.102 R)
• M14: 21,795,512 km (0.091 R)
• M15: 23,145,932 km (0.066 R)
• M16: 24,043,071 km (0.041 R)
• M17: 28,199,348 km (0.106 R)
• M18: 33,436,022 km (0.089 R)
• M19: 34,969,101 km (0.069 R)
• M20: 41,135,974 km (0.059 R)
• M21: 45,009,960 km (0.06 R)
• M22: 45,781,885 km (0.102 R)
• M23: 47,670,409 km (0.11 R)
• M24: 51,770,288 km (0.116 R)
• M25: 55,567,531 km (0.043 R)
• M26: 56,277,223 km (0.108 R)
• M27: 62,747,780 km (0.087 R)
• M28: 64,488,201 km (0.062 R)
• M29: 65,864,053 km (0.055 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 10,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit