🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.7

Radius: 14.1

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.59 AU - 0.83 AU

Year: 413 Days

Day: 11.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,006,927 km

• M1: 175,329 km (0.05 R)
• M2: 688,898 km (0.097 R)
• M3: 1,246,749 km (0.108 R)
• M4: 1,744,610 km (0.107 R)
• M5: 2,708,320 km (0.118 R)
• M6: 3,159,208 km (0.031 R)
• M7: 3,835,390 km (0.117 R)
• M8: 4,394,288 km (0.092 R)
• M9: 4,856,246 km (0.118 R)
• M10: 5,777,171 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.7

Radius: 8.4

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.64 AU - 0.8 AU

Year: 422 Days

Day: 5.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,006,927 km

• M1: 104,868 km (0.06 R)
• M2: 425,307 km (0.086 R)
• M3: 731,982 km (0.104 R)
• M4: 1,142,030 km (0.067 R)
• M5: 1,438,084 km (0.08 R)
• M6: 1,742,666 km (0.069 R)
• M7: 2,090,630 km (0.101 R)
• M8: 2,988,816 km (0.095 R)
• M9: 3,276,642 km (0.111 R)
• M10: 3,559,681 km (0.079 R)
• M11: 4,097,934 km (0.097 R)
• M12: 4,961,713 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.3

Radius: 9.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.44 AU - 1.7 AU

Year: 1358 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,006,927 km

• M1: 119,379 km (0.072 R)
• M2: 527,781 km (0.03 R)
• M3: 860,786 km (0.117 R)
• M4: 1,315,564 km (0.074 R)
• M5: 1,725,312 km (0.115 R)
• M6: 2,111,275 km (0.107 R)
• M7: 2,652,819 km (0.104 R)
• M8: 4,233,620 km (0.119 R)
• M9: 4,734,623 km (0.105 R)
• M10: 5,877,102 km (0.092 R)
• M11: 6,273,536 km (0.115 R)
• M12: 6,617,462 km (0.1 R)
• M13: 7,318,328 km (0.101 R)
• M14: 7,777,743 km (0.089 R)
• M15: 8,256,157 km (0.115 R)
• M16: 8,924,710 km (0.111 R)
• M17: 9,568,729 km (0.072 R)
• M18: 10,656,754 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.9

Radius: 10.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.71 AU - 2.01 AU

Year: 1751 Days

Day: 9.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,006,927 km

• M1: 135,536 km (0.071 R)
• M2: 550,221 km (0.096 R)
• M3: 2,396,857 km (0.067 R)
• M4: 2,911,923 km (0.09 R)
• M5: 3,391,384 km (0.113 R)
• M6: 4,491,377 km (0.102 R)
• M7: 5,093,359 km (0.086 R)
• M8: 5,859,150 km (0.057 R)
• M9: 6,823,009 km (0.079 R)
• M10: 7,646,246 km (0.102 R)
• M11: 8,391,393 km (0.108 R)
• M12: 10,515,534 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.1

Radius: 13.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.04 AU - 2.34 AU

Year: 2237 Days

Day: 11.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,006,927 km

• M1: 172,935 km (0.084 R)
• M2: 981,063 km (0.078 R)
• M3: 1,624,782 km (0.11 R)
• M4: 2,115,912 km (0.093 R)
• M5: 2,610,184 km (0.094 R)
• M6: 3,088,598 km (0.055 R)
• M7: 3,523,628 km (0.107 R)
• M8: 4,933,139 km (0.039 R)
• M9: 5,671,704 km (0.112 R)
• M10: 6,638,555 km (0.059 R)
• M11: 7,741,690 km (0.085 R)
• M12: 8,185,547 km (0.058 R)
• M13: 8,899,428 km (0.12 R)
• M14: 9,722,216 km (0.027 R)
• M15: 10,812,336 km (0.113 R)
• M16: 12,099,775 km (0.063 R)
• M17: 12,537,498 km (0.079 R)
• M18: 13,318,698 km (0.092 R)
• M19: 14,617,956 km (0.064 R)
• M20: 15,623,254 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865

Radius: 11.3

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.46 AU - 3.56 AU

Year: 4539 Days

Day: 5.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,006,927 km

• M1: 140,921 km (0.029 R)
• M2: 515,963 km (0.086 R)
• M3: 922,570 km (0.095 R)
• M4: 1,275,471 km (0.06 R)
• M5: 1,708,557 km (0.081 R)
• M6: 2,134,163 km (0.098 R)
• M7: 2,528,653 km (0.106 R)
• M8: 3,425,642 km (0.074 R)
• M9: 3,993,814 km (0.114 R)
• M10: 4,675,233 km (0.106 R)
• M11: 5,180,724 km (0.114 R)
• M12: 5,751,739 km (0.096 R)
• M13: 6,176,298 km (0.069 R)
• M14: 6,621,651 km (0.102 R)
• M15: 7,720,597 km (0.062 R)
• M16: 8,313,902 km (0.064 R)
• M17: 10,410,067 km (0.1 R)
• M18: 11,088,493 km (0.068 R)
• M19: 12,888,156 km (0.063 R)
• M20: 17,809,926 km (0.107 R)
• M21: 18,846,489 km (0.086 R)
• M22: 20,267,520 km (0.048 R)
• M23: 23,398,005 km (0.106 R)
• M24: 24,326,110 km (0.094 R)
• M25: 27,512,544 km (0.104 R)
• M26: 28,721,146 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.6

Radius: 3.6

Gravity: 43.95 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.11 AU - 9.33 AU

Year: 17774 Days

Day: 19.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,006,927 km

• M1: 45,179 km (0.102 R)
• M2: 196,721 km (0.075 R)
• M3: 2,271,943 km (0.09 R)
• M4: 2,441,587 km (0.12 R)
• M5: 2,830,242 km (0.037 R)
• M6: 2,976,848 km (0.041 R)
• M7: 3,102,809 km (0.059 R)
• M8: 3,530,211 km (0.06 R)
• M9: 7,039,029 km (0.114 R)
• M10: 7,354,082 km (0.067 R)
• M11: 9,718,326 km (0.09 R)
• M12: 11,221,935 km (0.055 R)
• M13: 12,156,323 km (0.095 R)
• M14: 13,896,894 km (0.1 R)
• M15: 14,178,587 km (0.056 R)
• M16: 14,608,382 km (0.06 R)
• M17: 15,194,656 km (0.116 R)
• M18: 21,381,575 km (0.069 R)
• M19: 27,594,524 km (0.083 R)
• M20: 29,983,901 km (0.091 R)
• M21: 34,138,832 km (0.104 R)
• M22: 59,069,617 km (0.092 R)
• M23: 59,253,772 km (0.11 R)
• M24: 63,787,036 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.6

Radius: 5.7

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.21 AU - 11.41 AU

Year: 22851 Days

Day: 22.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,006,927 km

• M1: 84,373 km (0.092 R)
• M2: 283,937 km (0.119 R)
• M3: 699,819 km (0.101 R)
• M4: 1,189,602 km (0.059 R)
• M5: 1,371,064 km (0.041 R)
• M6: 1,948,363 km (0.07 R)
• M7: 5,858,103 km (0.064 R)
• M8: 10,320,757 km (0.036 R)
• M9: 11,468,322 km (0.049 R)
• M10: 14,577,565 km (0.079 R)
• M11: 15,483,978 km (0.117 R)
• M12: 22,394,801 km (0.097 R)
• M13: 24,040,228 km (0.047 R)
• M14: 26,514,876 km (0.072 R)
• M15: 27,960,440 km (0.088 R)
• M16: 31,856,268 km (0.07 R)
• M17: 36,099,013 km (0.116 R)
• M18: 38,113,349 km (0.081 R)
• M19: 42,493,874 km (0.076 R)
• M20: 43,804,501 km (0.068 R)
• M21: 44,737,842 km (0.091 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 19,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit