🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.9

Radius: 14

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.52 AU - 0.56 AU

Year: 274 Days

Day: 5.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,392,133 km

• M1: 174,132 km (0.097 R)
• M2: 666,159 km (0.083 R)
• M3: 1,115,701 km (0.104 R)
• M4: 1,610,271 km (0.116 R)
• M5: 2,501,426 km (0.066 R)
• M6: 3,151,878 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.2

Radius: 8.8

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.77 AU - 1.09 AU

Year: 619 Days

Day: 13.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,392,133 km

• M1: 109,805 km (0.053 R)
• M2: 543,788 km (0.092 R)
• M3: 946,057 km (0.076 R)
• M4: 1,236,127 km (0.107 R)
• M5: 2,002,667 km (0.094 R)
• M6: 2,280,769 km (0.094 R)
• M7: 2,768,907 km (0.071 R)
• M8: 3,465,883 km (0.079 R)
• M9: 4,185,748 km (0.104 R)
• M10: 4,597,292 km (0.109 R)
• M11: 5,342,888 km (0.074 R)
• M12: 6,071,280 km (0.069 R)
• M13: 6,360,901 km (0.116 R)
• M14: 6,761,525 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.3

Radius: 8.7

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.82 AU - 1.12 AU

Year: 659 Days

Day: 12 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,392,133 km

• M1: 110,104 km (0.058 R)
• M2: 412,441 km (0.061 R)
• M3: 716,873 km (0.106 R)
• M4: 1,202,468 km (0.088 R)
• M5: 1,690,606 km (0.104 R)
• M6: 2,010,895 km (0.102 R)
• M7: 2,338,514 km (0.12 R)
• M8: 2,955,156 km (0.062 R)
• M9: 3,586,908 km (0.106 R)
• M10: 4,181,709 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.8

Radius: 12.3

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.84 AU - 2.98 AU

Year: 2582 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,392,133 km

• M1: 153,039 km (0.096 R)
• M2: 718,369 km (0.049 R)
• M3: 1,566,888 km (0.078 R)
• M4: 2,409,274 km (0.096 R)
• M5: 2,972,360 km (0.073 R)
• M6: 3,711,822 km (0.071 R)
• M7: 5,228,745 km (0.086 R)
• M8: 5,924,225 km (0.115 R)
• M9: 7,828,457 km (0.065 R)
• M10: 9,036,759 km (0.118 R)
• M11: 9,755,726 km (0.039 R)
• M12: 10,549,642 km (0.041 R)
• M13: 11,269,357 km (0.101 R)
• M14: 12,976,867 km (0.047 R)
• M15: 15,085,300 km (0.12 R)
• M16: 16,245,880 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.5

Radius: 9.7

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.72 AU - 4.26 AU

Year: 4500 Days

Day: 6.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,392,133 km

• M1: 120,576 km (0.085 R)
• M2: 558,150 km (0.12 R)
• M3: 1,020,108 km (0.033 R)
• M4: 2,184,279 km (0.075 R)
• M5: 2,749,459 km (0.096 R)
• M6: 3,091,290 km (0.05 R)
• M7: 3,531,856 km (0.087 R)
• M8: 4,151,341 km (0.087 R)
• M9: 5,249,090 km (0.105 R)
• M10: 5,581,945 km (0.08 R)
• M11: 6,005,158 km (0.075 R)
• M12: 6,422,835 km (0.085 R)
• M13: 6,915,760 km (0.079 R)
• M14: 11,219,691 km (0.109 R)
• M15: 12,723,897 km (0.053 R)
• M16: 13,458,273 km (0.07 R)
• M17: 13,858,448 km (0.072 R)
• M18: 15,249,708 km (0.098 R)
• M19: 16,227,629 km (0.04 R)
• M20: 16,681,060 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.8

Radius: 10.8

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.17 AU - 5.25 AU

Year: 5963 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,392,133 km

• M1: 134,638 km (0.09 R)
• M2: 542,741 km (0.119 R)
• M3: 1,135,747 km (0.094 R)
• M4: 1,686,566 km (0.113 R)
• M5: 2,077,017 km (0.106 R)
• M6: 2,959,046 km (0.083 R)
• M7: 4,600,733 km (0.027 R)
• M8: 5,073,911 km (0.107 R)
• M9: 6,034,928 km (0.074 R)
• M10: 6,900,052 km (0.084 R)
• M11: 8,947,449 km (0.114 R)
• M12: 9,423,469 km (0.051 R)
• M13: 10,149,468 km (0.115 R)
• M14: 11,413,570 km (0.12 R)
• M15: 14,952,756 km (0.033 R)
• M16: 15,467,223 km (0.055 R)
• M17: 16,368,999 km (0.111 R)
• M18: 16,860,428 km (0.099 R)
• M19: 18,865,488 km (0.027 R)
• M20: 19,588,196 km (0.12 R)
• M21: 20,517,348 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.8

Radius: 12.8

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.9 AU - 5.78 AU

Year: 7350 Days

Day: 13.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,392,133 km

• M1: 159,172 km (0.043 R)
• M2: 845,677 km (0.112 R)
• M3: 1,252,284 km (0.101 R)
• M4: 2,108,582 km (0.062 R)
• M5: 3,889,245 km (0.054 R)
• M6: 4,426,451 km (0.063 R)
• M7: 5,545,144 km (0.06 R)
• M8: 6,143,087 km (0.053 R)
• M9: 8,198,861 km (0.057 R)
• M10: 11,178,102 km (0.052 R)
• M11: 11,824,365 km (0.115 R)
• M12: 14,713,100 km (0.107 R)
• M13: 17,181,764 km (0.114 R)
• M14: 22,246,849 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.1

Radius: 5.7

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.35 AU - 7.51 AU

Year: 12592 Days

Day: 16.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,392,133 km

• M1: 71,358 km (0.05 R)
• M2: 258,056 km (0.109 R)
• M3: 500,106 km (0.114 R)
• M4: 980,464 km (0.06 R)
• M5: 1,713,195 km (0.103 R)
• M6: 4,404,012 km (0.096 R)
• M7: 4,845,774 km (0.101 R)
• M8: 6,349,382 km (0.086 R)
• M9: 6,759,580 km (0.114 R)
• M10: 6,951,663 km (0.102 R)
• M11: 10,140,641 km (0.063 R)
• M12: 19,816,482 km (0.091 R)
• M13: 20,852,746 km (0.064 R)
• M14: 28,334,286 km (0.103 R)
• M15: 28,734,161 km (0.105 R)
• M16: 29,036,648 km (0.087 R)
• M17: 29,853,452 km (0.099 R)
• M18: 39,004,952 km (0.091 R)
• M19: 39,873,816 km (0.12 R)
• M20: 42,688,500 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.4

Radius: 3.3

Gravity: 88.93 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.28 AU - 8.28 AU

Year: 16446 Days

Day: 24.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 58,392,133 km

• M1: 41,139 km (0.083 R)
• M2: 260,151 km (0.097 R)
• M3: 422,165 km (0.069 R)
• M4: 686,355 km (0.047 R)
• M5: 905,815 km (0.101 R)
• M6: 1,283,251 km (0.1 R)
• M7: 1,685,519 km (0.114 R)
• M8: 2,063,703 km (0.117 R)
• M9: 2,427,375 km (0.106 R)
• M10: 2,588,941 km (0.059 R)
• M11: 2,857,469 km (0.118 R)
• M12: 3,198,103 km (0.118 R)
• M13: 3,336,182 km (0.118 R)
• M14: 3,713,917 km (0.047 R)
• M15: 3,897,473 km (0.099 R)
• M16: 4,980,712 km (0.053 R)
• M17: 5,091,564 km (0.101 R)
• M18: 5,670,806 km (0.109 R)
• M19: 5,873,362 km (0.045 R)
• M20: 6,379,003 km (0.111 R)
• M21: 8,377,630 km (0.109 R)
• M22: 10,036,820 km (0.083 R)
• M23: 12,709,685 km (0.081 R)
• M24: 13,914,397 km (0.102 R)
• M25: 14,885,437 km (0.033 R)
• M26: 21,578,146 km (0.032 R)
• M27: 23,080,109 km (0.108 R)
• M28: 23,700,043 km (0.116 R)
• M29: 23,909,031 km (0.118 R)
• M30: 27,080,356 km (0.073 R)
• M31: 28,118,715 km (0.077 R)
• M32: 36,696,058 km (0.031 R)
• M33: 41,648,346 km (0.108 R)
• M34: 43,185,465 km (0.044 R)
• M35: 45,400,261 km (0.116 R)
• M36: 53,747,224 km (0.117 R)
• M37: 55,936,589 km (0.076 R)
• M38: 60,492,143 km (0.108 R)
• M39: 63,059,990 km (0.093 R)
• M40: 73,835,525 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.2

Radius: 4.5

Gravity: 19.76 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.92 AU - 10.4 AU

Year: 17591 Days

Day: 22.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,392,133 km

• M1: 66,272 km (0.104 R)
• M2: 711,637 km (0.093 R)
• M3: 1,057,807 km (0.112 R)
• M4: 1,295,817 km (0.098 R)
• M5: 1,523,355 km (0.056 R)
• M6: 2,171,563 km (0.035 R)
• M7: 2,369,032 km (0.047 R)
• M8: 3,678,612 km (0.06 R)
• M9: 5,478,872 km (0.094 R)
• M10: 5,623,833 km (0.078 R)
• M11: 5,959,231 km (0.057 R)
• M12: 9,241,857 km (0.096 R)
• M13: 9,603,735 km (0.093 R)
• M14: 11,915,620 km (0.104 R)
• M15: 12,910,296 km (0.06 R)
• M16: 16,002,634 km (0.1 R)
• M17: 16,150,586 km (0.117 R)
• M18: 16,449,034 km (0.026 R)
• M19: 17,444,608 km (0.077 R)
• M20: 19,809,152 km (0.072 R)
• M21: 21,468,940 km (0.033 R)
• M22: 31,985,820 km (0.102 R)
• M23: 41,458,955 km (0.107 R)
• M24: 45,778,594 km (0.072 R)
• M25: 46,827,873 km (0.099 R)
• M26: 47,587,083 km (0.119 R)
• M27: 49,914,227 km (0.092 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 13,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit