🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.8

Radius: 14.5

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.72 AU - 0.88 AU

Year: 469 Days

Day: 12.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 59,838,772 km

• M1: 180,415 km (0.12 R)
• M2: 830,867 km (0.109 R)
• M3: 1,735,036 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766

Radius: 13.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.73 AU - 0.91 AU

Year: 487 Days

Day: 6.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,838,772 km

• M1: 171,589 km (0.075 R)
• M2: 620,382 km (0.094 R)
• M3: 1,178,233 km (0.102 R)
• M4: 1,866,233 km (0.079 R)
• M5: 2,554,384 km (0.115 R)
• M6: 3,735,758 km (0.113 R)
• M7: 4,978,916 km (0.065 R)
• M8: 5,421,726 km (0.07 R)
• M9: 6,016,826 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.5

Radius: 10.9

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.98 AU - 3.02 AU

Year: 2593 Days

Day: 9.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,838,772 km

• M1: 135,835 km (0.066 R)
• M2: 516,861 km (0.057 R)
• M3: 950,096 km (0.071 R)
• M4: 1,290,730 km (0.102 R)
• M5: 1,771,688 km (0.09 R)
• M6: 2,179,043 km (0.111 R)
• M7: 2,982,682 km (0.116 R)
• M8: 3,380,613 km (0.072 R)
• M9: 4,116,485 km (0.075 R)
• M10: 4,544,933 km (0.053 R)
• M11: 4,885,717 km (0.039 R)
• M12: 5,341,990 km (0.036 R)
• M13: 5,905,825 km (0.071 R)
• M14: 7,870,494 km (0.076 R)
• M15: 8,465,145 km (0.047 R)
• M16: 8,808,472 km (0.101 R)
• M17: 9,304,539 km (0.063 R)
• M18: 10,430,712 km (0.075 R)
• M19: 11,271,601 km (0.094 R)
• M20: 12,243,688 km (0.095 R)
• M21: 13,179,273 km (0.076 R)
• M22: 14,794,182 km (0.095 R)
• M23: 17,403,019 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.4

Radius: 13.9

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.29 AU - 3.69 AU

Year: 4277 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,838,772 km

• M1: 172,935 km (0.089 R)
• M2: 631,453 km (0.086 R)
• M3: 1,205,011 km (0.115 R)
• M4: 1,671,307 km (0.119 R)
• M5: 3,080,669 km (0.104 R)
• M6: 3,518,991 km (0.113 R)
• M7: 4,449,789 km (0.033 R)
• M8: 5,341,093 km (0.102 R)
• M9: 5,919,139 km (0.112 R)
• M10: 6,506,759 km (0.084 R)
• M11: 8,545,330 km (0.118 R)
• M12: 9,627,521 km (0.101 R)
• M13: 12,357,532 km (0.09 R)
• M14: 13,529,332 km (0.062 R)
• M15: 14,223,616 km (0.113 R)
• M16: 14,997,935 km (0.076 R)
• M17: 17,678,429 km (0.068 R)
• M18: 18,314,968 km (0.092 R)
• M19: 19,973,261 km (0.059 R)
• M20: 20,874,139 km (0.096 R)
• M21: 21,370,505 km (0.082 R)
• M22: 23,132,020 km (0.089 R)
• M23: 24,203,290 km (0.086 R)
• M24: 25,227,287 km (0.117 R)
• M25: 26,280,157 km (0.098 R)
• M26: 27,446,422 km (0.092 R)
• M27: 29,792,865 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.6

Radius: 11.5

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3 AU - 4 AU

Year: 4295 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,838,772 km

• M1: 143,464 km (0.069 R)
• M2: 540,647 km (0.12 R)
• M3: 902,823 km (0.085 R)
• M4: 1,863,241 km (0.106 R)
• M5: 2,306,799 km (0.094 R)
• M6: 2,670,621 km (0.112 R)
• M7: 3,138,563 km (0.108 R)
• M8: 3,904,953 km (0.049 R)
• M9: 4,531,918 km (0.107 R)
• M10: 4,903,519 km (0.096 R)
• M11: 7,223,932 km (0.103 R)
• M12: 7,949,780 km (0.104 R)
• M13: 8,395,133 km (0.095 R)
• M14: 9,060,245 km (0.059 R)
• M15: 10,013,633 km (0.056 R)
• M16: 12,539,742 km (0.086 R)
• M17: 14,272,385 km (0.105 R)
• M18: 14,883,941 km (0.084 R)
• M19: 16,566,019 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.6

Radius: 12.6

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.65 AU - 4.11 AU

Year: 5014 Days

Day: 11.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,838,772 km

• M1: 157,676 km (0.068 R)
• M2: 580,589 km (0.097 R)
• M3: 1,144,873 km (0.068 R)
• M4: 1,821,653 km (0.114 R)
• M5: 2,784,615 km (0.091 R)
• M6: 3,219,945 km (0.094 R)
• M7: 3,918,567 km (0.11 R)
• M8: 4,557,350 km (0.111 R)
• M9: 6,518,727 km (0.036 R)
• M10: 8,028,768 km (0.082 R)
• M11: 9,133,698 km (0.093 R)
• M12: 10,855,719 km (0.114 R)
• M13: 11,686,885 km (0.109 R)
• M14: 12,604,817 km (0.11 R)
• M15: 13,243,152 km (0.107 R)
• M16: 13,855,007 km (0.091 R)
• M17: 14,584,296 km (0.055 R)
• M18: 16,600,726 km (0.12 R)
• M19: 18,389,169 km (0.037 R)
• M20: 20,056,437 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.2

Radius: 11

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.71 AU - 4.99 AU

Year: 5952 Days

Day: 7.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,838,772 km

• M1: 137,630 km (0.094 R)
• M2: 486,043 km (0.068 R)
• M3: 1,020,856 km (0.092 R)
• M4: 1,388,418 km (0.101 R)
• M5: 1,804,001 km (0.077 R)
• M6: 2,269,998 km (0.118 R)
• M7: 3,049,702 km (0.107 R)
• M8: 4,297,049 km (0.098 R)
• M9: 4,690,043 km (0.058 R)
• M10: 5,518,665 km (0.101 R)
• M11: 6,048,092 km (0.112 R)
• M12: 7,245,324 km (0.025 R)
• M13: 7,804,371 km (0.078 R)
• M14: 8,192,877 km (0.118 R)
• M15: 9,008,784 km (0.092 R)
• M16: 10,333,024 km (0.074 R)
• M17: 11,682,397 km (0.043 R)
• M18: 12,504,288 km (0.062 R)
• M19: 14,552,432 km (0.104 R)
• M20: 18,334,416 km (0.114 R)
• M21: 20,597,832 km (0.041 R)
• M22: 21,720,414 km (0.094 R)
• M23: 22,726,011 km (0.087 R)
• M24: 28,956,912 km (0.085 R)
• M25: 30,079,644 km (0.065 R)
• M26: 33,418,220 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.6

Radius: 4.2

Gravity: 34.16 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.06 AU - 7.14 AU

Year: 12411 Days

Day: 22.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,838,772 km

• M1: 55,202 km (0.066 R)
• M2: 290,220 km (0.074 R)
• M3: 445,203 km (0.084 R)
• M4: 632,051 km (0.051 R)
• M5: 1,106,875 km (0.099 R)
• M6: 1,570,478 km (0.085 R)
• M7: 2,228,111 km (0.108 R)
• M8: 2,802,118 km (0.117 R)
• M9: 3,520,337 km (0.089 R)
• M10: 4,413,885 km (0.119 R)
• M11: 4,913,093 km (0.09 R)
• M12: 6,917,106 km (0.041 R)
• M13: 8,630,002 km (0.084 R)
• M14: 10,606,339 km (0.065 R)
• M15: 14,537,173 km (0.044 R)
• M16: 15,355,623 km (0.097 R)
• M17: 19,097,664 km (0.067 R)
• M18: 23,038,670 km (0.082 R)
• M19: 30,901,385 km (0.038 R)
• M20: 32,479,194 km (0.09 R)
• M21: 38,296,008 km (0.114 R)
• M22: 40,644,844 km (0.108 R)
• M23: 40,777,986 km (0.116 R)
• M24: 44,486,517 km (0.11 R)
• M25: 45,915,177 km (0.105 R)
• M26: 46,059,688 km (0.047 R)
• M27: 49,014,246 km (0.058 R)
• M28: 51,311,471 km (0.104 R)
• M29: 51,623,084 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399

Radius: 4.1

Gravity: 23.74 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.22 AU - 11.16 AU

Year: 18276 Days

Day: 20.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 59,838,772 km

• M1: 51,013 km (0.064 R)
• M2: 365,916 km (0.106 R)
• M3: 836,850 km (0.067 R)
• M4: 1,114,055 km (0.086 R)
• M5: 1,254,079 km (0.108 R)
• M6: 1,570,329 km (0.107 R)
• M7: 2,084,497 km (0.078 R)
• M8: 3,203,788 km (0.104 R)
• M9: 3,383,754 km (0.032 R)
• M10: 3,993,366 km (0.119 R)
• M11: 6,580,661 km (0.118 R)
• M12: 7,435,164 km (0.088 R)
• M13: 7,888,894 km (0.095 R)
• M14: 8,217,411 km (0.1 R)
• M15: 9,361,236 km (0.094 R)
• M16: 10,550,689 km (0.071 R)
• M17: 12,392,688 km (0.09 R)
• M18: 15,797,535 km (0.045 R)
• M19: 17,633,400 km (0.108 R)
• M20: 19,100,058 km (0.111 R)
• M21: 19,691,867 km (0.06 R)
• M22: 20,382,859 km (0.118 R)
• M23: 20,911,838 km (0.08 R)
• M24: 21,269,376 km (0.107 R)
• M25: 24,082,564 km (0.098 R)
• M26: 25,781,847 km (0.115 R)
• M27: 28,205,781 km (0.094 R)
• M28: 33,136,826 km (0.083 R)
• M29: 34,360,537 km (0.116 R)
• M30: 39,421,432 km (0.079 R)
• M31: 41,633,835 km (0.115 R)
• M32: 41,774,757 km (0.038 R)
• M33: 44,366,689 km (0.1 R)
• M34: 46,759,058 km (0.111 R)
• M35: 47,063,939 km (0.049 R)
• M36: 47,677,889 km (0.118 R)
• M37: 48,297,074 km (0.034 R)
• M38: 50,186,794 km (0.094 R)
• M39: 54,449,137 km (0.079 R)
• M40: 55,295,562 km (0.092 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 13,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit