🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.6

Radius: 12.6

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.44 AU - 1.82 AU

Year: 1365 Days

Day: 14.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,389,925 km

• M1: 156,779 km (0.113 R)
• M2: 563,834 km (0.074 R)
• M3: 965,804 km (0.112 R)
• M4: 1,398,291 km (0.034 R)
• M5: 2,396,259 km (0.119 R)
• M6: 3,065,709 km (0.086 R)
• M7: 4,375,139 km (0.093 R)
• M8: 5,062,691 km (0.112 R)
• M9: 5,597,055 km (0.097 R)
• M10: 9,925,370 km (0.063 R)
• M11: 10,661,840 km (0.1 R)
• M12: 12,509,673 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.3

Radius: 14.1

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.6 AU - 3.08 AU

Year: 3140 Days

Day: 14.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,389,925 km

• M1: 176,077 km (0.073 R)
• M2: 624,422 km (0.094 R)
• M3: 1,130,960 km (0.106 R)
• M4: 1,970,354 km (0.12 R)
• M5: 2,992,257 km (0.104 R)
• M6: 3,576,436 km (0.117 R)
• M7: 4,278,798 km (0.073 R)
• M8: 5,119,987 km (0.076 R)
• M9: 5,696,687 km (0.082 R)
• M10: 7,346,303 km (0.116 R)
• M11: 7,950,678 km (0.103 R)
• M12: 8,972,581 km (0.116 R)
• M13: 11,485,526 km (0.075 R)
• M14: 11,953,319 km (0.031 R)
• M15: 14,732,398 km (0.112 R)
• M16: 15,592,436 km (0.105 R)
• M17: 16,754,962 km (0.073 R)
• M18: 18,374,508 km (0.102 R)
• M19: 20,096,380 km (0.105 R)
• M20: 20,714,219 km (0.099 R)
• M21: 21,536,558 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.5

Radius: 11.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.64 AU - 3.64 AU

Year: 3650 Days

Day: 12.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,389,925 km

• M1: 146,905 km (0.117 R)
• M2: 813,812 km (0.087 R)
• M3: 1,318,855 km (0.065 R)
• M4: 1,706,313 km (0.084 R)
• M5: 2,612,278 km (0.09 R)
• M6: 3,021,279 km (0.098 R)
• M7: 4,001,593 km (0.071 R)
• M8: 5,088,572 km (0.062 R)
• M9: 5,570,875 km (0.09 R)
• M10: 7,347,499 km (0.099 R)
• M11: 9,560,800 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.7

Radius: 9.3

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.54 AU - 4.22 AU

Year: 5014 Days

Day: 12.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,389,925 km

• M1: 115,789 km (0.072 R)
• M2: 461,210 km (0.118 R)
• M3: 860,487 km (0.117 R)
• M4: 1,256,921 km (0.085 R)
• M5: 1,930,112 km (0.106 R)
• M6: 2,395,212 km (0.049 R)
• M7: 3,329,151 km (0.112 R)
• M8: 3,675,470 km (0.117 R)
• M9: 4,989,987 km (0.063 R)
• M10: 5,556,065 km (0.112 R)
• M11: 5,927,516 km (0.062 R)
• M12: 9,364,677 km (0.109 R)
• M13: 10,183,875 km (0.054 R)
• M14: 11,410,129 km (0.112 R)
• M15: 15,397,510 km (0.04 R)
• M16: 17,308,025 km (0.089 R)
• M17: 18,793,382 km (0.047 R)
• M18: 19,113,073 km (0.111 R)
• M19: 20,028,013 km (0.071 R)
• M20: 20,699,109 km (0.088 R)
• M21: 22,730,349 km (0.106 R)
• M22: 23,460,686 km (0.05 R)
• M23: 24,891,141 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.6

Radius: 12.1

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.24 AU - 4.3 AU

Year: 5788 Days

Day: 7.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,389,925 km

• M1: 150,495 km (0.073 R)
• M2: 750,832 km (0.045 R)
• M3: 1,278,015 km (0.092 R)
• M4: 1,683,724 km (0.1 R)
• M5: 2,765,167 km (0.041 R)
• M6: 3,835,241 km (0.056 R)
• M7: 4,357,786 km (0.036 R)
• M8: 5,434,891 km (0.103 R)
• M9: 6,006,803 km (0.083 R)
• M10: 7,170,675 km (0.111 R)
• M11: 8,257,054 km (0.031 R)
• M12: 9,490,339 km (0.106 R)
• M13: 10,321,355 km (0.085 R)
• M14: 10,842,854 km (0.045 R)
• M15: 11,751,062 km (0.101 R)
• M16: 13,359,688 km (0.088 R)
• M17: 15,388,535 km (0.117 R)
• M18: 16,535,202 km (0.045 R)
• M19: 17,615,149 km (0.054 R)
• M20: 21,767,238 km (0.103 R)
• M21: 24,487,825 km (0.043 R)
• M22: 24,872,142 km (0.084 R)
• M23: 27,675,756 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.1

Radius: 13.8

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.81 AU - 5.75 AU

Year: 6856 Days

Day: 12.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,389,925 km

• M1: 197,020 km (0.114 R)
• M2: 709,692 km (0.054 R)
• M3: 1,268,889 km (0.092 R)
• M4: 1,730,399 km (0.11 R)
• M5: 3,332,143 km (0.038 R)
• M6: 3,825,367 km (0.071 R)
• M7: 5,109,665 km (0.054 R)
• M8: 5,543,349 km (0.071 R)
• M9: 6,035,376 km (0.071 R)
• M10: 6,485,367 km (0.057 R)
• M11: 7,032,446 km (0.091 R)
• M12: 7,850,298 km (0.076 R)
• M13: 8,687,298 km (0.047 R)
• M14: 9,262,651 km (0.117 R)
• M15: 10,053,426 km (0.106 R)
• M16: 10,489,952 km (0.117 R)
• M17: 12,530,766 km (0.12 R)
• M18: 13,151,448 km (0.032 R)
• M19: 14,030,784 km (0.059 R)
• M20: 16,235,259 km (0.092 R)
• M21: 17,945,162 km (0.096 R)
• M22: 21,480,309 km (0.06 R)
• M23: 24,834,743 km (0.081 R)
• M24: 25,635,091 km (0.108 R)
• M25: 26,269,386 km (0.048 R)
• M26: 35,720,830 km (0.08 R)
• M27: 36,285,113 km (0.079 R)
• M28: 39,676,048 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.8

Radius: 9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.29 AU - 6.59 AU

Year: 8324 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,389,925 km

• M1: 112,049 km (0.115 R)
• M2: 398,230 km (0.043 R)
• M3: 700,567 km (0.044 R)
• M4: 1,455,886 km (0.116 R)
• M5: 1,759,570 km (0.09 R)
• M6: 2,177,547 km (0.113 R)
• M7: 2,848,942 km (0.081 R)
• M8: 3,388,691 km (0.045 R)
• M9: 6,016,378 km (0.111 R)
• M10: 7,067,003 km (0.042 R)
• M11: 7,705,038 km (0.081 R)
• M12: 8,235,363 km (0.091 R)
• M13: 11,126,641 km (0.111 R)
• M14: 13,342,484 km (0.045 R)
• M15: 18,315,866 km (0.094 R)
• M16: 19,582,511 km (0.03 R)
• M17: 21,659,827 km (0.111 R)
• M18: 22,008,091 km (0.108 R)
• M19: 22,644,480 km (0.073 R)
• M20: 23,511,849 km (0.027 R)
• M21: 23,805,958 km (0.112 R)
• M22: 26,405,221 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.5

Radius: 4.9

Gravity: 38.25 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.78 AU - 6.94 AU

Year: 11787 Days

Day: 16.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,389,925 km

• M1: 68,366 km (0.115 R)
• M2: 276,158 km (0.103 R)
• M3: 1,782,459 km (0.067 R)
• M4: 2,741,680 km (0.101 R)
• M5: 2,902,498 km (0.105 R)
• M6: 4,033,159 km (0.061 R)
• M7: 4,211,330 km (0.09 R)
• M8: 6,100,152 km (0.047 R)
• M9: 7,784,774 km (0.034 R)
• M10: 8,441,209 km (0.092 R)
• M11: 8,733,524 km (0.029 R)
• M12: 13,899,737 km (0.119 R)
• M13: 14,102,591 km (0.085 R)
• M14: 15,289,650 km (0.057 R)
• M15: 16,693,327 km (0.036 R)
• M16: 17,465,701 km (0.12 R)
• M17: 19,331,785 km (0.038 R)
• M18: 22,235,480 km (0.058 R)
• M19: 32,309,101 km (0.082 R)
• M20: 34,485,152 km (0.103 R)
• M21: 36,628,141 km (0.028 R)
• M22: 53,335,979 km (0.103 R)
• M23: 58,801,837 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.8

Radius: 6.4

Gravity: 19.48 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.65 AU - 7.83 AU

Year: 12780 Days

Day: 19.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,389,925 km

• M1: 79,586 km (0.049 R)
• M2: 455,077 km (0.097 R)
• M3: 702,512 km (0.101 R)
• M4: 1,051,523 km (0.071 R)
• M5: 2,410,770 km (0.081 R)
• M6: 3,132,879 km (0.118 R)
• M7: 3,517,196 km (0.115 R)
• M8: 6,762,572 km (0.059 R)
• M9: 8,371,048 km (0.113 R)
• M10: 9,575,311 km (0.106 R)
• M11: 10,948,171 km (0.094 R)
• M12: 11,473,109 km (0.112 R)
• M13: 12,762,942 km (0.059 R)
• M14: 13,148,606 km (0.107 R)
• M15: 14,490,199 km (0.107 R)
• M16: 15,482,183 km (0.071 R)
• M17: 19,059,666 km (0.097 R)
• M18: 19,563,512 km (0.032 R)
• M19: 20,423,101 km (0.12 R)
• M20: 20,773,759 km (0.116 R)
• M21: 23,533,690 km (0.115 R)
• M22: 24,308,906 km (0.12 R)
• M23: 25,706,449 km (0.076 R)
• M24: 27,901,948 km (0.119 R)
• M25: 35,611,025 km (0.085 R)
• M26: 37,410,837 km (0.104 R)
• M27: 38,466,100 km (0.098 R)
• M28: 40,085,946 km (0.087 R)
• M29: 41,330,301 km (0.08 R)
• M30: 49,028,009 km (0.115 R)
• M31: 49,499,243 km (0.082 R)
• M32: 50,610,306 km (0.062 R)
• M33: 51,252,679 km (0.088 R)
• M34: 54,210,528 km (0.094 R)
• M35: 55,560,948 km (0.031 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: 430 - 16,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit