🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.5

Radius: 11

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.53 AU - 0.59 AU

Year: 279 Days

Day: 14.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,966,458 km

• M1: 136,882 km (0.101 R)
• M2: 702,811 km (0.089 R)
• M3: 1,074,562 km (0.074 R)
• M4: 1,514,230 km (0.12 R)
• M5: 2,324,153 km (0.106 R)
• M6: 2,702,785 km (0.103 R)
• M7: 3,193,466 km (0.101 R)
• M8: 4,217,613 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.1

Radius: 14.3

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.98 AU - 1.26 AU

Year: 790 Days

Day: 12 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,966,458 km

• M1: 178,021 km (0.052 R)
• M2: 701,764 km (0.117 R)
• M3: 1,168,359 km (0.092 R)
• M4: 1,749,397 km (0.104 R)
• M5: 2,340,608 km (0.071 R)
• M6: 3,038,931 km (0.082 R)
• M7: 4,116,185 km (0.051 R)
• M8: 4,684,209 km (0.089 R)
• M9: 5,453,740 km (0.088 R)
• M10: 6,285,355 km (0.079 R)
• M11: 7,245,623 km (0.097 R)
• M12: 8,632,844 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.7

Radius: 8.4

Gravity: 12.47 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.9 AU - 1.46 AU

Year: 855 Days

Day: 10.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,966,458 km

• M1: 104,569 km (0.054 R)
• M2: 366,515 km (0.041 R)
• M3: 684,410 km (0.1 R)
• M4: 974,331 km (0.114 R)
• M5: 1,281,605 km (0.116 R)
• M6: 1,724,115 km (0.112 R)
• M7: 2,016,579 km (0.11 R)
• M8: 2,443,232 km (0.068 R)
• M9: 3,154,421 km (0.086 R)
• M10: 3,917,370 km (0.034 R)
• M11: 4,410,594 km (0.11 R)
• M12: 4,907,558 km (0.077 R)
• M13: 5,246,547 km (0.069 R)
• M14: 5,702,372 km (0.107 R)
• M15: 6,141,292 km (0.052 R)
• M16: 9,236,173 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.9

Radius: 11

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.34 AU - 2.08 AU

Year: 1491 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,966,458 km

• M1: 136,882 km (0.09 R)
• M2: 501,751 km (0.114 R)
• M3: 931,396 km (0.112 R)
• M4: 1,306,289 km (0.076 R)
• M5: 1,847,982 km (0.105 R)
• M6: 2,738,090 km (0.074 R)
• M7: 3,442,845 km (0.062 R)
• M8: 3,799,936 km (0.074 R)
• M9: 5,726,307 km (0.064 R)
• M10: 6,187,218 km (0.115 R)
• M11: 6,901,847 km (0.074 R)
• M12: 8,283,982 km (0.099 R)
• M13: 8,710,785 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.6

Radius: 12.7

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.59 AU - 2.55 AU

Year: 1986 Days

Day: 13.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 82,966,458 km

• M1: 159,322 km (0.113 R)
• M2: 909,405 km (0.091 R)
• M3: 1,744,461 km (0.1 R)
• M4: 2,392,968 km (0.088 R)
• M5: 2,891,428 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387

Radius: 9.3

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.81 AU - 4.65 AU

Year: 4804 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,966,458 km

• M1: 115,639 km (0.112 R)
• M2: 425,606 km (0.073 R)
• M3: 755,768 km (0.117 R)
• M4: 1,083,238 km (0.025 R)
• M5: 1,920,687 km (0.06 R)
• M6: 2,247,259 km (0.061 R)
• M7: 2,841,312 km (0.117 R)
• M8: 3,362,362 km (0.075 R)
• M9: 4,318,442 km (0.118 R)
• M10: 6,106,735 km (0.091 R)
• M11: 6,697,646 km (0.104 R)
• M12: 7,101,710 km (0.097 R)
• M13: 8,555,801 km (0.115 R)
• M14: 9,720,570 km (0.033 R)
• M15: 10,443,577 km (0.091 R)
• M16: 11,951,823 km (0.12 R)
• M17: 12,687,545 km (0.058 R)
• M18: 15,394,518 km (0.119 R)
• M19: 16,432,279 km (0.081 R)
• M20: 17,515,816 km (0.099 R)
• M21: 18,104,933 km (0.056 R)
• M22: 18,646,477 km (0.109 R)
• M23: 19,888,289 km (0.095 R)
• M24: 20,855,290 km (0.092 R)
• M25: 21,921,025 km (0.12 R)
• M26: 23,374,219 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914

Radius: 3.5

Gravity: 74.61 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.22 AU - 10.64 AU

Year: 20867 Days

Day: 20.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,966,458 km

• M1: 43,533 km (0.099 R)
• M2: 219,909 km (0.117 R)
• M3: 370,554 km (0.082 R)
• M4: 985,850 km (0.083 R)
• M5: 1,190,051 km (0.078 R)
• M6: 2,079,560 km (0.066 R)
• M7: 3,929,338 km (0.089 R)
• M8: 4,441,561 km (0.093 R)
• M9: 4,844,428 km (0.118 R)
• M10: 9,869,121 km (0.119 R)
• M11: 10,744,867 km (0.111 R)
• M12: 11,739,244 km (0.052 R)
• M13: 16,077,582 km (0.027 R)
• M14: 17,912,550 km (0.109 R)
• M15: 19,115,766 km (0.084 R)
• M16: 19,785,366 km (0.075 R)
• M17: 22,726,909 km (0.109 R)
• M18: 22,939,936 km (0.049 R)
• M19: 23,805,210 km (0.11 R)
• M20: 23,914,865 km (0.103 R)
• M21: 27,726,170 km (0.113 R)
• M22: 30,609,220 km (0.113 R)
• M23: 32,728,723 km (0.118 R)
• M24: 39,824,300 km (0.071 R)
• M25: 42,992,633 km (0.115 R)
• M26: 46,495,916 km (0.062 R)
• M27: 49,646,148 km (0.102 R)
• M28: 54,253,313 km (0.12 R)
• M29: 54,633,741 km (0.107 R)
• M30: 59,338,444 km (0.08 R)
• M31: 61,375,818 km (0.092 R)
• M32: 61,582,113 km (0.098 R)
• M33: 62,203,692 km (0.063 R)
• M34: 64,093,562 km (0.051 R)
• M35: 68,208,252 km (0.091 R)
• M36: 68,873,663 km (0.113 R)
• M37: 78,405,590 km (0.117 R)
• M38: 81,851,428 km (0.049 R)
• M39: 83,358,626 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.2

Radius: 7.1

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10.22 AU - 10.28 AU

Year: 21883 Days

Day: 23.1 Hours

Environment

Temp: -246 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,966,458 km

• M1: 88,562 km (0.1 R)
• M2: 353,649 km (0.063 R)
• M3: 1,062,893 km (0.051 R)
• M4: 2,274,486 km (0.12 R)
• M5: 3,959,556 km (0.105 R)
• M6: 5,131,357 km (0.105 R)
• M7: 5,675,444 km (0.102 R)
• M8: 7,785,522 km (0.079 R)
• M9: 8,088,009 km (0.111 R)
• M10: 8,662,913 km (0.066 R)
• M11: 11,559,427 km (0.08 R)
• M12: 12,492,769 km (0.101 R)
• M13: 13,838,401 km (0.044 R)
• M14: 17,663,619 km (0.105 R)
• M15: 18,011,135 km (0.067 R)
• M16: 18,990,103 km (0.105 R)
• M17: 19,446,676 km (0.066 R)
• M18: 21,542,841 km (0.097 R)
• M19: 25,843,182 km (0.084 R)
• M20: 27,665,882 km (0.095 R)
• M21: 27,899,554 km (0.1 R)
• M22: 30,062,590 km (0.104 R)
• M23: 33,778,601 km (0.065 R)
• M24: 37,218,604 km (0.089 R)
• M25: 37,646,454 km (0.12 R)
• M26: 38,077,595 km (0.073 R)
• M27: 39,538,568 km (0.07 R)
• M28: 49,957,012 km (0.071 R)
• M29: 50,477,762 km (0.103 R)
• M30: 51,001,953 km (0.069 R)
• M31: 54,041,782 km (0.048 R)
• M32: 58,535,552 km (0.083 R)
• M33: 64,495,232 km (0.032 R)
• M34: 71,723,951 km (0.078 R)
• M35: 74,624,803 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702

Radius: 5.2

Gravity: 25.96 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.51 AU - 11.37 AU

Year: 22495 Days

Day: 19.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,966,458 km

• M1: 68,516 km (0.098 R)
• M2: 234,420 km (0.092 R)
• M3: 688,898 km (0.104 R)
• M4: 865,872 km (0.117 R)
• M5: 1,196,484 km (0.092 R)
• M6: 1,642,585 km (0.085 R)
• M7: 2,150,021 km (0.096 R)
• M8: 5,862,292 km (0.092 R)
• M9: 6,119,301 km (0.03 R)
• M10: 6,983,079 km (0.05 R)
• M11: 7,223,333 km (0.091 R)
• M12: 7,669,584 km (0.112 R)
• M13: 8,782,143 km (0.095 R)
• M14: 8,949,393 km (0.102 R)
• M15: 9,348,072 km (0.108 R)
• M16: 9,817,959 km (0.099 R)
• M17: 11,520,682 km (0.119 R)
• M18: 11,721,292 km (0.045 R)
• M19: 13,046,281 km (0.085 R)
• M20: 18,697,340 km (0.094 R)
• M21: 18,974,545 km (0.115 R)
• M22: 19,631,878 km (0.118 R)
• M23: 21,796,859 km (0.111 R)
• M24: 26,827,685 km (0.107 R)
• M25: 27,180,437 km (0.057 R)
• M26: 28,500,040 km (0.101 R)
• M27: 30,878,796 km (0.118 R)
• M28: 32,714,062 km (0.118 R)
• M29: 33,931,639 km (0.076 R)
• M30: 38,654,145 km (0.089 R)
• M31: 39,254,780 km (0.061 R)
• M32: 40,320,815 km (0.107 R)
• M33: 42,351,456 km (0.062 R)
• M34: 44,285,458 km (0.077 R)
• M35: 48,850,736 km (0.06 R)
• M36: 52,244,962 km (0.115 R)
• M37: 62,743,292 km (0.097 R)
• M38: 63,156,930 km (0.115 R)
• M39: 70,694,568 km (0.093 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 13,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit