🌌 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: 896.4

Radius: 9.3

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.49 AU - 0.55 AU

Year: 254 Days

Day: 5.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,575,534 km

• M1: 115,639 km (0.117 R)
• M2: 417,976 km (0.084 R)
• M3: 729,738 km (0.116 R)
• M4: 1,051,075 km (0.069 R)
• M5: 1,523,505 km (0.076 R)
• M6: 1,957,488 km (0.082 R)
• M7: 2,277,628 km (0.12 R)
• M8: 2,725,224 km (0.086 R)
• M9: 3,635,527 km (0.047 R)
• M10: 3,952,077 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.1

Radius: 10.5

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.61 AU - 2.31 AU

Year: 1861 Days

Day: 13.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,575,534 km

• M1: 131,347 km (0.109 R)
• M2: 495,767 km (0.07 R)
• M3: 842,386 km (0.108 R)
• M4: 1,263,653 km (0.11 R)
• M5: 1,624,483 km (0.079 R)
• M6: 1,972,149 km (0.035 R)
• M7: 3,084,110 km (0.111 R)
• M8: 3,695,815 km (0.117 R)
• M9: 5,533,775 km (0.073 R)
• M10: 6,411,765 km (0.043 R)
• M11: 7,037,533 km (0.119 R)
• M12: 7,584,911 km (0.055 R)
• M13: 7,944,993 km (0.03 R)
• M14: 12,367,555 km (0.107 R)
• M15: 14,494,538 km (0.105 R)
• M16: 15,476,648 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.7

Radius: 13.5

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.88 AU - 2.74 AU

Year: 2381 Days

Day: 6.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,575,534 km

• M1: 168,298 km (0.099 R)
• M2: 727,494 km (0.114 R)
• M3: 1,262,905 km (0.103 R)
• M4: 1,903,035 km (0.07 R)
• M5: 2,696,502 km (0.102 R)
• M6: 3,292,051 km (0.043 R)
• M7: 4,561,987 km (0.05 R)
• M8: 5,029,331 km (0.029 R)
• M9: 5,505,351 km (0.066 R)
• M10: 6,036,424 km (0.069 R)
• M11: 6,869,833 km (0.041 R)
• M12: 7,573,243 km (0.09 R)
• M13: 9,323,986 km (0.083 R)
• M14: 9,870,468 km (0.071 R)
• M15: 11,254,547 km (0.108 R)
• M16: 11,795,942 km (0.12 R)
• M17: 12,640,571 km (0.117 R)
• M18: 14,677,047 km (0.115 R)
• M19: 16,280,736 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.5

Radius: 8.9

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.18 AU - 2.76 AU

Year: 2633 Days

Day: 10.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,575,534 km

• M1: 110,702 km (0.073 R)
• M2: 395,986 km (0.096 R)
• M3: 742,903 km (0.115 R)
• M4: 1,118,543 km (0.092 R)
• M5: 1,465,162 km (0.11 R)
• M6: 2,238,433 km (0.107 R)
• M7: 2,752,451 km (0.119 R)
• M8: 3,228,472 km (0.101 R)
• M9: 3,867,554 km (0.119 R)
• M10: 4,819,295 km (0.04 R)
• M11: 6,018,322 km (0.09 R)
• M12: 7,901,909 km (0.095 R)
• M13: 8,577,194 km (0.111 R)
• M14: 9,424,367 km (0.097 R)
• M15: 9,972,792 km (0.078 R)
• M16: 10,254,934 km (0.106 R)
• M17: 11,746,275 km (0.056 R)
• M18: 12,831,458 km (0.095 R)
• M19: 13,720,518 km (0.118 R)
• M20: 14,069,979 km (0.1 R)
• M21: 15,716,004 km (0.071 R)
• M22: 16,340,725 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.8

Radius: 10

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.43 AU - 2.83 AU

Year: 2893 Days

Day: 13.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,575,534 km

• M1: 124,316 km (0.079 R)
• M2: 513,420 km (0.098 R)
• M3: 861,534 km (0.118 R)
• M4: 1,276,070 km (0.1 R)
• M5: 1,972,298 km (0.048 R)
• M6: 2,519,378 km (0.105 R)
• M7: 2,972,510 km (0.115 R)
• M8: 3,422,350 km (0.119 R)
• M9: 4,128,303 km (0.042 R)
• M10: 4,904,267 km (0.099 R)
• M11: 5,482,313 km (0.027 R)
• M12: 6,477,588 km (0.093 R)
• M13: 7,018,384 km (0.08 R)
• M14: 10,548,295 km (0.115 R)
• M15: 11,297,482 km (0.056 R)
• M16: 11,860,418 km (0.104 R)
• M17: 13,758,815 km (0.053 R)
• M18: 14,653,261 km (0.096 R)
• M19: 15,166,531 km (0.113 R)
• M20: 15,638,812 km (0.11 R)
• M21: 17,973,436 km (0.074 R)
• M22: 18,740,873 km (0.048 R)
• M23: 19,653,271 km (0.102 R)
• M24: 20,786,923 km (0.111 R)
• M25: 21,304,532 km (0.102 R)
• M26: 22,704,170 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.8

Radius: 13.9

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.27 AU - 3.55 AU

Year: 3367 Days

Day: 8.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,575,534 km

• M1: 175,030 km (0.117 R)
• M2: 648,806 km (0.058 R)
• M3: 2,775,788 km (0.079 R)
• M4: 3,674,872 km (0.11 R)
• M5: 7,823,221 km (0.103 R)
• M6: 9,271,926 km (0.075 R)
• M7: 11,792,800 km (0.106 R)
• M8: 14,085,687 km (0.054 R)
• M9: 15,311,043 km (0.068 R)
• M10: 18,926,075 km (0.067 R)
• M11: 20,037,288 km (0.1 R)
• M12: 23,005,759 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.4

Radius: 13.9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.85 AU - 3.57 AU

Year: 3901 Days

Day: 14.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,575,534 km

• M1: 172,935 km (0.096 R)
• M2: 832,811 km (0.113 R)
• M3: 1,922,931 km (0.08 R)
• M4: 2,764,569 km (0.028 R)
• M5: 3,271,406 km (0.104 R)
• M6: 3,876,829 km (0.046 R)
• M7: 4,434,380 km (0.056 R)
• M8: 4,892,898 km (0.09 R)
• M9: 5,640,438 km (0.102 R)
• M10: 6,463,077 km (0.12 R)
• M11: 8,694,329 km (0.106 R)
• M12: 9,249,188 km (0.105 R)
• M13: 10,179,238 km (0.092 R)
• M14: 11,553,743 km (0.064 R)
• M15: 13,777,365 km (0.073 R)
• M16: 16,420,161 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.5

Radius: 7.3

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.57 AU - 5.79 AU

Year: 9182 Days

Day: 16.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,575,534 km

• M1: 101,128 km (0.077 R)
• M2: 468,092 km (0.07 R)
• M3: 705,653 km (0.061 R)
• M4: 1,454,241 km (0.074 R)
• M5: 1,710,053 km (0.111 R)
• M6: 2,068,789 km (0.087 R)
• M7: 4,666,855 km (0.101 R)
• M8: 5,687,561 km (0.1 R)
• M9: 6,297,622 km (0.115 R)
• M10: 7,865,557 km (0.066 R)
• M11: 12,188,786 km (0.112 R)
• M12: 13,514,971 km (0.033 R)
• M13: 18,519,768 km (0.113 R)
• M14: 21,395,936 km (0.102 R)
• M15: 26,413,150 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.3

Radius: 8

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.82 AU - 7.18 AU

Year: 11240 Days

Day: 17.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,575,534 km

• M1: 107,860 km (0.091 R)
• M2: 406,757 km (0.099 R)
• M3: 719,117 km (0.108 R)
• M4: 1,362,986 km (0.102 R)
• M5: 1,708,557 km (0.1 R)
• M6: 2,094,520 km (0.058 R)
• M7: 2,518,031 km (0.119 R)
• M8: 3,463,041 km (0.086 R)
• M9: 4,194,575 km (0.081 R)
• M10: 4,747,040 km (0.091 R)
• M11: 7,127,890 km (0.107 R)
• M12: 7,957,111 km (0.107 R)
• M13: 10,725,419 km (0.091 R)
• M14: 13,889,115 km (0.069 R)
• M15: 15,784,969 km (0.113 R)
• M16: 17,044,882 km (0.116 R)
• M17: 18,370,469 km (0.106 R)
• M18: 19,684,237 km (0.114 R)
• M19: 20,242,985 km (0.076 R)
• M20: 24,000,286 km (0.117 R)
• M21: 24,363,360 km (0.091 R)
• M22: 26,042,596 km (0.094 R)
• M23: 26,813,025 km (0.102 R)
• M24: 30,047,780 km (0.091 R)
• M25: 33,646,655 km (0.064 R)
• M26: 36,080,613 km (0.053 R)
• M27: 47,846,934 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.1

Radius: 4.1

Gravity: 34.51 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.95 AU - 10.03 AU

Year: 19829 Days

Day: 17.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,575,534 km

• M1: 51,013 km (0.062 R)
• M2: 230,979 km (0.099 R)
• M3: 434,283 km (0.118 R)
• M4: 865,723 km (0.056 R)
• M5: 1,443,171 km (0.041 R)
• M6: 1,587,682 km (0.061 R)
• M7: 2,120,550 km (0.05 R)
• M8: 2,528,952 km (0.067 R)
• M9: 3,277,989 km (0.062 R)
• M10: 4,492,574 km (0.091 R)
• M11: 5,426,214 km (0.091 R)
• M12: 7,058,476 km (0.084 R)
• M13: 9,207,899 km (0.054 R)
• M14: 11,376,170 km (0.083 R)
• M15: 13,296,857 km (0.11 R)
• M16: 18,020,859 km (0.094 R)
• M17: 24,583,867 km (0.115 R)
• M18: 25,976,324 km (0.111 R)
• M19: 34,650,008 km (0.106 R)
• M20: 35,048,238 km (0.116 R)
• M21: 40,505,867 km (0.11 R)
• M22: 41,541,982 km (0.086 R)
• M23: 41,991,225 km (0.089 R)
• M24: 46,342,728 km (0.12 R)
• M25: 49,460,646 km (0.108 R)
• M26: 56,292,931 km (0.116 R)
• M27: 57,582,315 km (0.091 R)
• M28: 58,327,761 km (0.119 R)
• M29: 60,411,211 km (0.094 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: 483 - 18,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit