🌌 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: 462.5

Radius: 9.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.75 AU - 0.85 AU

Year: 455 Days

Day: 6.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,387,902 km

• M1: 120,576 km (0.049 R)
• M2: 627,264 km (0.11 R)
• M3: 936,333 km (0.057 R)
• M4: 1,321,398 km (0.062 R)
• M5: 1,879,099 km (0.084 R)
• M6: 2,540,172 km (0.108 R)
• M7: 2,998,390 km (0.116 R)
• M8: 3,371,786 km (0.083 R)
• M9: 4,016,254 km (0.089 R)
• M10: 4,485,393 km (0.11 R)
• M11: 4,975,924 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.9

Radius: 14

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.9 AU - 1.06 AU

Year: 617 Days

Day: 13.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,387,902 km

• M1: 174,282 km (0.109 R)
• M2: 790,026 km (0.059 R)
• M3: 1,646,474 km (0.1 R)
• M4: 2,149,422 km (0.096 R)
• M5: 2,604,499 km (0.113 R)
• M6: 3,448,829 km (0.096 R)
• M7: 4,376,785 km (0.064 R)
• M8: 5,033,370 km (0.112 R)
• M9: 5,681,727 km (0.06 R)
• M10: 6,286,851 km (0.108 R)
• M11: 6,851,283 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.5

Radius: 13.7

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.33 AU - 1.61 AU

Year: 1133 Days

Day: 9.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,387,902 km

• M1: 170,392 km (0.085 R)
• M2: 635,492 km (0.072 R)
• M3: 1,171,651 km (0.098 R)
• M4: 1,606,382 km (0.076 R)
• M5: 2,417,950 km (0.118 R)
• M6: 3,596,931 km (0.053 R)
• M7: 4,308,269 km (0.1 R)
• M8: 5,077,202 km (0.098 R)
• M9: 6,868,188 km (0.096 R)
• M10: 7,641,160 km (0.057 R)
• M11: 8,108,354 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.5

Radius: 8.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.63 AU - 3.93 AU

Year: 4673 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,387,902 km

• M1: 105,466 km (0.06 R)
• M2: 401,820 km (0.102 R)
• M3: 695,331 km (0.111 R)
• M4: 1,016,667 km (0.078 R)
• M5: 2,439,492 km (0.1 R)
• M6: 2,929,575 km (0.072 R)
• M7: 4,800,296 km (0.089 R)
• M8: 6,722,330 km (0.109 R)
• M9: 8,810,267 km (0.114 R)
• M10: 13,764,201 km (0.086 R)
• M11: 14,886,484 km (0.034 R)
• M12: 15,202,884 km (0.06 R)
• M13: 16,852,948 km (0.102 R)
• M14: 18,017,119 km (0.073 R)
• M15: 19,609,588 km (0.114 R)
• M16: 19,990,015 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.2

Radius: 14.2

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.45 AU - 5.23 AU

Year: 5749 Days

Day: 9.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,387,902 km

• M1: 178,021 km (0.115 R)
• M2: 711,936 km (0.101 R)
• M3: 1,487,302 km (0.086 R)
• M4: 2,025,854 km (0.107 R)
• M5: 2,694,856 km (0.105 R)
• M6: 3,526,620 km (0.072 R)
• M7: 4,545,681 km (0.087 R)
• M8: 5,112,956 km (0.078 R)
• M9: 5,752,786 km (0.031 R)
• M10: 6,928,476 km (0.088 R)
• M11: 8,761,050 km (0.089 R)
• M12: 9,607,175 km (0.116 R)
• M13: 11,627,345 km (0.054 R)
• M14: 12,131,191 km (0.114 R)
• M15: 13,592,612 km (0.053 R)
• M16: 14,152,258 km (0.109 R)
• M17: 14,873,320 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.5

Radius: 10.2

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.01 AU - 5.97 AU

Year: 7087 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,387,902 km

• M1: 126,859 km (0.108 R)
• M2: 453,282 km (0.025 R)
• M3: 939,624 km (0.111 R)
• M4: 1,512,883 km (0.063 R)
• M5: 2,921,497 km (0.081 R)
• M6: 3,312,845 km (0.083 R)
• M7: 4,148,798 km (0.118 R)
• M8: 4,967,846 km (0.038 R)
• M9: 5,496,076 km (0.097 R)
• M10: 7,076,727 km (0.082 R)
• M11: 7,705,786 km (0.081 R)
• M12: 10,752,497 km (0.08 R)
• M13: 14,709,360 km (0.113 R)
• M14: 15,997,248 km (0.06 R)
• M15: 16,873,742 km (0.078 R)
• M16: 18,356,856 km (0.116 R)
• M17: 20,311,202 km (0.095 R)
• M18: 21,742,854 km (0.036 R)
• M19: 22,400,336 km (0.093 R)
• M20: 25,433,732 km (0.112 R)
• M21: 28,049,750 km (0.025 R)
• M22: 28,828,856 km (0.115 R)
• M23: 30,737,276 km (0.119 R)
• M24: 31,149,568 km (0.087 R)
• M25: 31,985,222 km (0.091 R)
• M26: 33,701,109 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.8

Radius: 10.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.94 AU - 6 AU

Year: 8134 Days

Day: 9.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,387,902 km

• M1: 145,110 km (0.118 R)
• M2: 801,396 km (0.119 R)
• M3: 1,982,022 km (0.054 R)
• M4: 2,617,963 km (0.109 R)
• M5: 4,221,802 km (0.104 R)
• M6: 5,247,145 km (0.051 R)
• M7: 7,385,048 km (0.087 R)
• M8: 19,347,642 km (0.117 R)
• M9: 24,617,078 km (0.093 R)
• M10: 25,264,986 km (0.084 R)
• M11: 25,924,264 km (0.116 R)
• M12: 28,854,886 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.2

Radius: 5.6

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.48 AU - 7.94 AU

Year: 12309 Days

Day: 15.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,387,902 km

• M1: 70,610 km (0.067 R)
• M2: 253,120 km (0.12 R)
• M3: 741,557 km (0.078 R)
• M4: 1,375,852 km (0.105 R)
• M5: 1,812,528 km (0.074 R)
• M6: 2,008,202 km (0.075 R)
• M7: 2,663,141 km (0.093 R)
• M8: 3,295,342 km (0.111 R)
• M9: 3,898,820 km (0.069 R)
• M10: 4,278,948 km (0.045 R)
• M11: 4,767,235 km (0.114 R)
• M12: 7,780,884 km (0.087 R)
• M13: 8,590,658 km (0.052 R)
• M14: 11,558,530 km (0.062 R)
• M15: 15,146,036 km (0.09 R)
• M16: 15,703,737 km (0.071 R)
• M17: 20,292,353 km (0.086 R)
• M18: 22,769,095 km (0.098 R)
• M19: 24,163,497 km (0.095 R)
• M20: 26,761,413 km (0.112 R)
• M21: 26,941,081 km (0.035 R)
• M22: 32,098,168 km (0.032 R)
• M23: 32,300,873 km (0.116 R)
• M24: 32,504,476 km (0.09 R)
• M25: 37,314,197 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843

Radius: 6.7

Gravity: 18.78 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.37 AU - 8.13 AU

Year: 12412 Days

Day: 20.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,387,902 km

• M1: 83,476 km (0.045 R)
• M2: 464,501 km (0.106 R)
• M3: 1,342,491 km (0.093 R)
• M4: 1,935,048 km (0.061 R)
• M5: 3,651,834 km (0.101 R)
• M6: 5,061,345 km (0.079 R)
• M7: 6,155,803 km (0.082 R)
• M8: 8,175,224 km (0.119 R)
• M9: 8,558,195 km (0.076 R)
• M10: 9,993,587 km (0.118 R)
• M11: 10,376,108 km (0.077 R)
• M12: 11,463,685 km (0.114 R)
• M13: 15,686,085 km (0.042 R)
• M14: 16,202,945 km (0.114 R)
• M15: 18,710,804 km (0.101 R)
• M16: 23,414,760 km (0.067 R)
• M17: 24,284,671 km (0.117 R)
• M18: 25,076,044 km (0.118 R)
• M19: 26,709,952 km (0.102 R)
• M20: 32,035,636 km (0.086 R)
• M21: 34,325,680 km (0.058 R)
• M22: 40,592,784 km (0.046 R)
• M23: 42,412,642 km (0.111 R)
• M24: 43,703,971 km (0.1 R)
• M25: 49,131,830 km (0.115 R)
• M26: 53,817,984 km (0.071 R)
• M27: 54,654,984 km (0.057 R)
• M28: 58,089,751 km (0.117 R)
• M29: 58,793,609 km (0.04 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.9

Radius: 6.6

Gravity: 14.23 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.13 AU - 8.41 AU

Year: 13771 Days

Day: 17.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,387,902 km

• M1: 84,972 km (0.076 R)
• M2: 389,254 km (0.106 R)
• M3: 1,676,244 km (0.062 R)
• M4: 2,049,341 km (0.078 R)
• M5: 2,455,799 km (0.076 R)
• M6: 3,974,067 km (0.097 R)
• M7: 4,670,146 km (0.07 R)
• M8: 6,069,784 km (0.083 R)
• M9: 8,186,295 km (0.028 R)
• M10: 10,199,882 km (0.053 R)
• M11: 11,147,884 km (0.116 R)
• M12: 11,613,731 km (0.105 R)
• M13: 11,971,570 km (0.096 R)
• M14: 13,153,542 km (0.117 R)
• M15: 13,476,973 km (0.06 R)
• M16: 14,005,652 km (0.118 R)
• M17: 14,411,212 km (0.117 R)
• M18: 22,375,054 km (0.083 R)
• M19: 23,492,550 km (0.103 R)
• M20: 26,040,801 km (0.079 R)
• M21: 29,093,794 km (0.094 R)
• M22: 33,205,342 km (0.054 R)
• M23: 33,564,526 km (0.066 R)
• M24: 35,275,028 km (0.107 R)
• M25: 35,523,959 km (0.047 R)
• M26: 44,125,986 km (0.047 R)
• M27: 46,176,375 km (0.111 R)
• M28: 53,196,554 km (0.049 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 14,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit