🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.5

Radius: 11.7

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.62 AU - 0.82 AU

Year: 422 Days

Day: 14.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,417,184 km

• M1: 145,559 km (0.068 R)
• M2: 588,817 km (0.06 R)
• M3: 1,143,377 km (0.065 R)
• M4: 1,659,190 km (0.099 R)
• M5: 2,571,737 km (0.067 R)
• M6: 4,147,751 km (0.103 R)
• M7: 5,127,317 km (0.074 R)
• M8: 5,596,606 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.2

Radius: 14.1

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.64 AU - 0.88 AU

Year: 457 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 85,417,184 km

• M1: 175,329 km (0.088 R)
• M2: 779,255 km (0.064 R)
• M3: 1,602,792 km (0.093 R)
• M4: 2,092,575 km (0.088 R)
• M5: 2,931,221 km (0.105 R)
• M6: 3,611,741 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.9

Radius: 8.6

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.88 AU - 2.92 AU

Year: 2566 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,417,184 km

• M1: 107,112 km (0.109 R)
• M2: 388,057 km (0.032 R)
• M3: 724,054 km (0.113 R)
• M4: 1,082,939 km (0.093 R)
• M5: 1,440,478 km (0.099 R)
• M6: 1,922,931 km (0.115 R)
• M7: 2,369,780 km (0.081 R)
• M8: 2,640,552 km (0.084 R)
• M9: 3,262,131 km (0.072 R)
• M10: 3,747,127 km (0.076 R)
• M11: 5,183,566 km (0.091 R)
• M12: 6,077,413 km (0.046 R)
• M13: 6,955,254 km (0.035 R)
• M14: 8,492,522 km (0.095 R)
• M15: 9,803,448 km (0.098 R)
• M16: 10,356,361 km (0.102 R)
• M17: 12,864,669 km (0.06 R)
• M18: 14,730,005 km (0.088 R)
• M19: 15,065,553 km (0.116 R)
• M20: 16,204,292 km (0.067 R)
• M21: 17,240,407 km (0.118 R)
• M22: 17,774,621 km (0.096 R)
• M23: 18,155,198 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558

Radius: 8.6

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.12 AU - 3.74 AU

Year: 4385 Days

Day: 14.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,417,184 km

• M1: 107,411 km (0.096 R)
• M2: 642,074 km (0.105 R)
• M3: 926,609 km (0.053 R)
• M4: 1,267,842 km (0.101 R)
• M5: 1,766,152 km (0.098 R)
• M6: 2,068,191 km (0.079 R)
• M7: 2,660,748 km (0.089 R)
• M8: 3,460,199 km (0.116 R)
• M9: 3,745,781 km (0.103 R)
• M10: 4,226,439 km (0.096 R)
• M11: 4,625,566 km (0.096 R)
• M12: 5,024,095 km (0.034 R)
• M13: 6,979,339 km (0.061 R)
• M14: 7,639,664 km (0.053 R)
• M15: 8,020,241 km (0.105 R)
• M16: 8,633,293 km (0.081 R)
• M17: 9,084,630 km (0.09 R)
• M18: 9,394,297 km (0.038 R)
• M19: 10,157,695 km (0.076 R)
• M20: 13,084,279 km (0.118 R)
• M21: 14,345,837 km (0.044 R)
• M22: 15,412,021 km (0.062 R)
• M23: 16,245,730 km (0.068 R)
• M24: 17,881,733 km (0.074 R)
• M25: 20,143,054 km (0.106 R)
• M26: 21,139,077 km (0.095 R)
• M27: 22,447,460 km (0.103 R)
• M28: 23,736,096 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.8

Radius: 13.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.8 AU - 5.6 AU

Year: 7033 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,417,184 km

• M1: 170,392 km (0.045 R)
• M2: 685,757 km (0.111 R)
• M3: 1,529,489 km (0.084 R)
• M4: 2,237,386 km (0.051 R)
• M5: 2,705,328 km (0.096 R)
• M6: 3,222,338 km (0.046 R)
• M7: 5,862,292 km (0.096 R)
• M8: 7,160,951 km (0.102 R)
• M9: 7,816,788 km (0.088 R)
• M10: 8,286,675 km (0.098 R)
• M11: 9,112,006 km (0.025 R)
• M12: 12,671,239 km (0.079 R)
• M13: 13,102,380 km (0.055 R)
• M14: 17,120,429 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.9

Radius: 11

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.66 AU - 5.68 AU

Year: 8114 Days

Day: 12.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,417,184 km

• M1: 137,929 km (0.032 R)
• M2: 829,221 km (0.104 R)
• M3: 1,542,204 km (0.082 R)
• M4: 1,905,428 km (0.079 R)
• M5: 2,530,747 km (0.085 R)
• M6: 3,265,722 km (0.103 R)
• M7: 4,246,186 km (0.078 R)
• M8: 5,576,560 km (0.095 R)
• M9: 6,053,179 km (0.105 R)
• M10: 6,743,573 km (0.058 R)
• M11: 7,365,002 km (0.102 R)
• M12: 7,939,757 km (0.05 R)
• M13: 8,412,038 km (0.032 R)
• M14: 12,489,328 km (0.097 R)
• M15: 13,011,275 km (0.083 R)
• M16: 13,852,015 km (0.111 R)
• M17: 15,708,225 km (0.075 R)
• M18: 17,652,549 km (0.097 R)
• M19: 19,289,000 km (0.095 R)
• M20: 20,540,984 km (0.076 R)
• M21: 21,846,525 km (0.104 R)
• M22: 24,442,048 km (0.116 R)
• M23: 24,893,834 km (0.066 R)
• M24: 25,721,110 km (0.078 R)
• M25: 27,430,415 km (0.084 R)
• M26: 28,412,076 km (0.12 R)
• M27: 29,113,092 km (0.061 R)
• M28: 35,142,634 km (0.115 R)
• M29: 36,535,091 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.8

Radius: 5.3

Gravity: 15.3 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.09 AU - 8.19 AU

Year: 11810 Days

Day: 18 Hours

Environment

Temp: -226 °C

Axial Tilt: 72 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,417,184 km

• M1: 65,973 km (0.066 R)
• M2: 341,981 km (0.1 R)
• M3: 553,363 km (0.105 R)
• M4: 739,163 km (0.073 R)
• M5: 1,524,402 km (0.061 R)
• M6: 2,422,738 km (0.08 R)
• M7: 2,930,622 km (0.104 R)
• M8: 3,244,479 km (0.113 R)
• M9: 3,992,618 km (0.066 R)
• M10: 4,699,019 km (0.071 R)
• M11: 5,386,571 km (0.085 R)
• M12: 5,551,876 km (0.114 R)
• M13: 6,032,534 km (0.119 R)
• M14: 6,319,463 km (0.11 R)
• M15: 6,540,718 km (0.064 R)
• M16: 6,805,207 km (0.116 R)
• M17: 8,906,758 km (0.107 R)
• M18: 9,231,834 km (0.115 R)
• M19: 10,612,024 km (0.118 R)
• M20: 13,529,931 km (0.092 R)
• M21: 15,501,930 km (0.095 R)
• M22: 16,452,325 km (0.08 R)
• M23: 17,083,478 km (0.092 R)
• M24: 17,297,403 km (0.108 R)
• M25: 17,512,974 km (0.093 R)
• M26: 18,393,806 km (0.061 R)
• M27: 20,724,242 km (0.089 R)
• M28: 24,397,169 km (0.077 R)
• M29: 25,494,619 km (0.094 R)
• M30: 32,016,637 km (0.086 R)
• M31: 32,888,942 km (0.087 R)
• M32: 33,331,004 km (0.083 R)
• M33: 37,130,341 km (0.099 R)
• M34: 38,948,853 km (0.104 R)
• M35: 45,712,322 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.1

Radius: 3.1

Gravity: 13.23 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.29 AU - 7.79 AU

Year: 12893 Days

Day: 20.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,417,184 km

• M1: 38,596 km (0.041 R)
• M2: 156,629 km (0.086 R)
• M3: 480,209 km (0.099 R)
• M4: 835,654 km (0.106 R)
• M5: 1,425,518 km (0.061 R)
• M6: 2,155,705 km (0.071 R)
• M7: 3,065,560 km (0.119 R)
• M8: 3,638,370 km (0.114 R)
• M9: 3,891,041 km (0.088 R)
• M10: 4,057,842 km (0.104 R)
• M11: 4,773,070 km (0.09 R)
• M12: 7,237,395 km (0.114 R)
• M13: 7,636,672 km (0.087 R)
• M14: 9,045,734 km (0.11 R)
• M15: 11,181,543 km (0.074 R)
• M16: 11,470,118 km (0.106 R)
• M17: 11,616,275 km (0.059 R)
• M18: 11,763,629 km (0.082 R)
• M19: 16,976,217 km (0.115 R)
• M20: 19,348,689 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.1

Radius: 5

Gravity: 37.36 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.84 AU - 10.26 AU

Year: 20371 Days

Day: 23.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,417,184 km

• M1: 67,169 km (0.025 R)
• M2: 338,839 km (0.106 R)
• M3: 971,040 km (0.101 R)
• M4: 1,141,881 km (0.104 R)
• M5: 1,511,088 km (0.101 R)
• M6: 2,187,270 km (0.053 R)
• M7: 2,806,905 km (0.041 R)
• M8: 3,506,574 km (0.103 R)
• M9: 5,483,959 km (0.079 R)
• M10: 7,382,805 km (0.115 R)
• M11: 8,980,659 km (0.119 R)
• M12: 9,560,950 km (0.09 R)
• M13: 10,352,023 km (0.108 R)
• M14: 16,975,768 km (0.075 R)
• M15: 17,150,349 km (0.035 R)
• M16: 19,246,215 km (0.103 R)
• M17: 22,753,687 km (0.051 R)
• M18: 49,754,457 km (0.113 R)
• M19: 69,831,388 km (0.082 R)
• M20: 77,963,379 km (0.119 R)
• M21: 83,384,956 km (0.064 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 11,237 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit