🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.1

Radius: 14.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.59 AU

Year: 259 Days

Day: 7.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,708,545 km

• M1: 184,155 km (0.112 R)
• M2: 742,903 km (0.118 R)
• M3: 1,261,858 km (0.11 R)
• M4: 2,103,346 km (0.039 R)
• M5: 2,871,681 km (0.046 R)
• M6: 3,358,622 km (0.082 R)
• M7: 4,004,885 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.7

Radius: 14.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.39 AU - 1.83 AU

Year: 1410 Days

Day: 8.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,708,545 km

• M1: 185,352 km (0.063 R)
• M2: 735,124 km (0.116 R)
• M3: 1,797,867 km (0.099 R)
• M4: 2,526,858 km (0.044 R)
• M5: 3,040,577 km (0.093 R)
• M6: 3,559,532 km (0.104 R)
• M7: 4,048,866 km (0.098 R)
• M8: 4,525,934 km (0.11 R)
• M9: 5,020,205 km (0.08 R)
• M10: 6,700,339 km (0.092 R)
• M11: 7,425,440 km (0.112 R)
• M12: 8,405,156 km (0.062 R)
• M13: 9,125,620 km (0.115 R)
• M14: 10,017,971 km (0.046 R)
• M15: 11,143,545 km (0.085 R)
• M16: 11,829,003 km (0.071 R)
• M17: 13,646,019 km (0.094 R)

Asteroid Belt

Center: 2.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.7

Radius: 8.8

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.04 AU - 2.76 AU

Year: 2566 Days

Day: 12.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,708,545 km

• M1: 109,506 km (0.111 R)
• M2: 389,104 km (0.063 R)
• M3: 968,048 km (0.062 R)
• M4: 1,440,777 km (0.111 R)
• M5: 1,765,853 km (0.088 R)
• M6: 2,262,518 km (0.082 R)
• M7: 2,705,777 km (0.052 R)
• M8: 3,259,139 km (0.074 R)
• M9: 3,746,828 km (0.112 R)
• M10: 5,328,975 km (0.105 R)
• M11: 6,829,143 km (0.09 R)
• M12: 8,907,207 km (0.101 R)
• M13: 10,323,300 km (0.103 R)
• M14: 10,759,827 km (0.109 R)
• M15: 11,627,495 km (0.084 R)
• M16: 13,038,053 km (0.11 R)
• M17: 14,412,109 km (0.064 R)
• M18: 15,517,039 km (0.118 R)
• M19: 17,334,204 km (0.1 R)
• M20: 18,008,143 km (0.099 R)
• M21: 19,829,946 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687

Radius: 4.2

Gravity: 38.95 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.84 AU - 6.36 AU

Year: 9147 Days

Day: 18.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,708,545 km

• M1: 52,359 km (0.053 R)
• M2: 546,331 km (0.115 R)
• M3: 911,799 km (0.082 R)
• M4: 1,320,949 km (0.079 R)
• M5: 1,765,255 km (0.094 R)
• M6: 1,971,850 km (0.1 R)
• M7: 2,194,451 km (0.096 R)
• M8: 2,549,896 km (0.075 R)
• M9: 3,743,836 km (0.101 R)
• M10: 4,139,971 km (0.115 R)
• M11: 4,476,567 km (0.093 R)
• M12: 5,140,781 km (0.11 R)
• M13: 5,629,667 km (0.071 R)
• M14: 6,220,579 km (0.063 R)
• M15: 6,967,521 km (0.096 R)
• M16: 10,454,498 km (0.04 R)
• M17: 15,212,308 km (0.12 R)
• M18: 15,541,872 km (0.092 R)
• M19: 15,741,885 km (0.107 R)
• M20: 16,283,728 km (0.089 R)
• M21: 17,692,342 km (0.078 R)
• M22: 17,910,455 km (0.105 R)
• M23: 21,482,703 km (0.065 R)
• M24: 29,077,787 km (0.12 R)
• M25: 30,513,478 km (0.041 R)
• M26: 30,722,316 km (0.092 R)
• M27: 31,888,282 km (0.103 R)
• M28: 35,562,555 km (0.12 R)
• M29: 36,142,696 km (0.025 R)
• M30: 37,800,839 km (0.07 R)
• M31: 39,881,745 km (0.084 R)
• M32: 44,003,316 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.9

Radius: 7.1

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.53 AU - 6.95 AU

Year: 9492 Days

Day: 19.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,708,545 km

• M1: 96,491 km (0.066 R)
• M2: 337,642 km (0.112 R)
• M3: 620,382 km (0.097 R)
• M4: 1,168,060 km (0.087 R)
• M5: 1,402,929 km (0.072 R)
• M6: 1,876,256 km (0.094 R)
• M7: 2,201,632 km (0.097 R)
• M8: 2,966,077 km (0.067 R)
• M9: 3,646,897 km (0.096 R)
• M10: 4,539,398 km (0.111 R)
• M11: 5,441,174 km (0.115 R)
• M12: 7,086,152 km (0.096 R)
• M13: 8,168,193 km (0.118 R)
• M14: 11,480,141 km (0.066 R)
• M15: 12,125,805 km (0.109 R)
• M16: 12,738,707 km (0.094 R)
• M17: 14,026,296 km (0.101 R)
• M18: 15,657,063 km (0.115 R)
• M19: 16,857,586 km (0.086 R)
• M20: 19,515,940 km (0.093 R)
• M21: 23,620,457 km (0.093 R)
• M22: 28,947,637 km (0.062 R)
• M23: 31,471,951 km (0.066 R)
• M24: 33,485,838 km (0.117 R)
• M25: 35,023,554 km (0.056 R)
• M26: 36,493,204 km (0.091 R)
• M27: 37,185,094 km (0.118 R)
• M28: 37,885,810 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.7

Radius: 6.4

Gravity: 14.54 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.27 AU - 6.59 AU

Year: 9968 Days

Day: 21.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,708,545 km

• M1: 79,736 km (0.104 R)
• M2: 407,205 km (0.077 R)
• M3: 626,815 km (0.098 R)
• M4: 844,181 km (0.028 R)
• M5: 1,090,718 km (0.086 R)
• M6: 1,573,022 km (0.092 R)
• M7: 1,951,055 km (0.109 R)
• M8: 2,406,880 km (0.115 R)
• M9: 2,782,969 km (0.12 R)
• M10: 3,174,916 km (0.114 R)
• M11: 4,661,769 km (0.12 R)
• M12: 6,340,855 km (0.07 R)
• M13: 6,980,386 km (0.095 R)
• M14: 8,564,029 km (0.086 R)
• M15: 9,487,198 km (0.116 R)
• M16: 11,367,045 km (0.105 R)
• M17: 14,856,565 km (0.06 R)
• M18: 15,577,925 km (0.115 R)
• M19: 17,303,537 km (0.119 R)
• M20: 22,978,682 km (0.092 R)
• M21: 23,238,832 km (0.111 R)
• M22: 23,501,077 km (0.089 R)
• M23: 24,389,240 km (0.101 R)
• M24: 26,138,189 km (0.119 R)
• M25: 28,564,517 km (0.111 R)
• M26: 29,168,443 km (0.101 R)
• M27: 30,401,728 km (0.104 R)
• M28: 33,303,029 km (0.082 R)
• M29: 34,991,989 km (0.092 R)
• M30: 35,221,472 km (0.111 R)
• M31: 42,580,790 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.6

Radius: 5

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.27 AU - 8.91 AU

Year: 17378 Days

Day: 22.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 116.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,708,545 km

• M1: 62,233 km (0.115 R)
• M2: 229,483 km (0.064 R)
• M3: 400,922 km (0.112 R)
• M4: 615,146 km (0.115 R)
• M5: 1,359,545 km (0.111 R)
• M6: 1,570,628 km (0.074 R)
• M7: 1,852,770 km (0.085 R)
• M8: 2,168,122 km (0.081 R)
• M9: 2,883,050 km (0.083 R)
• M10: 3,482,339 km (0.081 R)
• M11: 3,990,523 km (0.06 R)
• M12: 4,395,634 km (0.115 R)
• M13: 4,608,213 km (0.113 R)
• M14: 5,253,728 km (0.12 R)
• M15: 5,848,080 km (0.105 R)
• M16: 10,874,568 km (0.12 R)
• M17: 12,189,085 km (0.118 R)
• M18: 15,060,616 km (0.074 R)
• M19: 15,684,439 km (0.113 R)
• M20: 21,918,930 km (0.107 R)
• M21: 26,815,418 km (0.069 R)
• M22: 34,254,023 km (0.078 R)
• M23: 36,554,240 km (0.117 R)
• M24: 45,916,374 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 559 - 16,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit