🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.9

Radius: 10.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.63 AU - 0.69 AU

Year: 364 Days

Day: 12.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,127,901 km

• M1: 129,402 km (0.065 R)
• M2: 462,856 km (0.058 R)
• M3: 863,928 km (0.086 R)
• M4: 1,288,038 km (0.067 R)
• M5: 1,713,045 km (0.03 R)
• M6: 2,066,844 km (0.059 R)
• M7: 2,553,187 km (0.044 R)
• M8: 3,466,931 km (0.08 R)
• M9: 3,879,671 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.9

Radius: 12.2

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.18 AU - 1.28 AU

Year: 925 Days

Day: 14.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,127,901 km

• M1: 151,692 km (0.103 R)
• M2: 531,671 km (0.101 R)
• M3: 1,407,716 km (0.085 R)
• M4: 2,084,198 km (0.104 R)
• M5: 2,625,293 km (0.115 R)
• M6: 3,300,129 km (0.079 R)
• M7: 3,761,489 km (0.094 R)
• M8: 4,332,205 km (0.09 R)
• M9: 4,726,545 km (0.084 R)
• M10: 5,296,213 km (0.094 R)
• M11: 6,119,750 km (0.096 R)
• M12: 6,529,498 km (0.03 R)
• M13: 8,592,602 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.2

Radius: 9.2

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.57 AU - 2.17 AU

Year: 1734 Days

Day: 9.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,127,901 km

• M1: 114,592 km (0.12 R)
• M2: 942,317 km (0.102 R)
• M3: 1,355,506 km (0.11 R)
• M4: 2,073,277 km (0.092 R)
• M5: 2,494,844 km (0.12 R)
• M6: 3,511,062 km (0.109 R)
• M7: 5,039,055 km (0.044 R)
• M8: 5,481,715 km (0.064 R)
• M9: 6,013,386 km (0.101 R)
• M10: 6,467,415 km (0.095 R)
• M11: 6,828,694 km (0.084 R)
• M12: 7,395,820 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.7

Radius: 9.3

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.22 AU - 2.34 AU

Year: 2335 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,127,901 km

• M1: 115,639 km (0.057 R)
• M2: 489,185 km (0.031 R)
• M3: 812,616 km (0.098 R)
• M4: 1,207,105 km (0.072 R)
• M5: 1,513,033 km (0.066 R)
• M6: 2,059,364 km (0.089 R)
• M7: 2,406,282 km (0.072 R)
• M8: 2,776,985 km (0.108 R)
• M9: 3,218,897 km (0.054 R)
• M10: 3,616,379 km (0.101 R)
• M11: 4,065,921 km (0.1 R)
• M12: 4,447,993 km (0.099 R)
• M13: 5,521,059 km (0.065 R)
• M14: 7,151,676 km (0.112 R)
• M15: 7,560,228 km (0.077 R)
• M16: 8,171,036 km (0.12 R)
• M17: 9,525,644 km (0.097 R)
• M18: 10,682,634 km (0.089 R)
• M19: 11,530,555 km (0.069 R)
• M20: 14,026,296 km (0.097 R)
• M21: 15,763,128 km (0.108 R)
• M22: 16,206,536 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.3

Radius: 8.3

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.99 AU - 3.99 AU

Year: 4422 Days

Day: 12.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,127,901 km

• M1: 103,223 km (0.083 R)
• M2: 791,822 km (0.081 R)
• M3: 1,342,042 km (0.079 R)
• M4: 1,828,086 km (0.035 R)
• M5: 2,112,771 km (0.104 R)
• M6: 2,474,648 km (0.031 R)
• M7: 3,945,195 km (0.098 R)
• M8: 4,472,528 km (0.071 R)
• M9: 5,838,207 km (0.036 R)
• M10: 9,646,220 km (0.049 R)
• M11: 11,484,479 km (0.049 R)
• M12: 11,989,821 km (0.101 R)
• M13: 13,443,912 km (0.108 R)
• M14: 14,265,653 km (0.094 R)
• M15: 15,839,871 km (0.118 R)
• M16: 17,168,300 km (0.068 R)
• M17: 18,569,434 km (0.098 R)
• M18: 20,243,285 km (0.07 R)
• M19: 24,036,787 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.6

Radius: 5.2

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.49 AU - 8.51 AU

Year: 12561 Days

Day: 20.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,127,901 km

• M1: 65,973 km (0.113 R)
• M2: 480,508 km (0.117 R)
• M3: 769,232 km (0.116 R)
• M4: 1,748,500 km (0.052 R)
• M5: 2,280,919 km (0.097 R)
• M6: 2,503,969 km (0.114 R)
• M7: 2,798,677 km (0.08 R)
• M8: 3,305,066 km (0.093 R)
• M9: 3,614,135 km (0.05 R)
• M10: 3,918,267 km (0.099 R)
• M11: 5,426,962 km (0.085 R)
• M12: 6,716,795 km (0.103 R)
• M13: 8,357,435 km (0.094 R)
• M14: 9,618,395 km (0.114 R)
• M15: 10,248,053 km (0.105 R)
• M16: 10,809,344 km (0.032 R)
• M17: 11,589,347 km (0.11 R)
• M18: 13,370,160 km (0.1 R)
• M19: 14,790,592 km (0.102 R)
• M20: 15,026,807 km (0.075 R)
• M21: 17,202,558 km (0.042 R)
• M22: 19,227,366 km (0.107 R)
• M23: 20,588,856 km (0.049 R)
• M24: 20,883,414 km (0.088 R)
• M25: 21,632,301 km (0.112 R)
• M26: 26,073,413 km (0.06 R)
• M27: 27,649,277 km (0.041 R)
• M28: 29,566,822 km (0.097 R)
• M29: 34,692,793 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.5

Radius: 4.5

Gravity: 30.35 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.26 AU - 10.42 AU

Year: 16336 Days

Day: 23.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,127,901 km

• M1: 59,989 km (0.071 R)
• M2: 227,987 km (0.047 R)
• M3: 523,742 km (0.115 R)
• M4: 1,009,636 km (0.118 R)
• M5: 1,388,268 km (0.06 R)
• M6: 1,650,962 km (0.051 R)
• M7: 2,194,900 km (0.1 R)
• M8: 2,596,271 km (0.115 R)
• M9: 2,995,398 km (0.036 R)
• M10: 3,196,906 km (0.053 R)
• M11: 5,329,424 km (0.101 R)
• M12: 6,750,006 km (0.111 R)
• M13: 7,319,674 km (0.093 R)
• M14: 7,732,564 km (0.079 R)
• M15: 9,064,135 km (0.054 R)
• M16: 9,379,487 km (0.041 R)
• M17: 10,200,181 km (0.117 R)
• M18: 13,483,106 km (0.086 R)
• M19: 13,825,087 km (0.108 R)
• M20: 14,597,611 km (0.102 R)
• M21: 14,741,075 km (0.098 R)
• M22: 15,847,650 km (0.102 R)
• M23: 17,327,173 km (0.108 R)
• M24: 19,324,455 km (0.103 R)
• M25: 20,647,947 km (0.114 R)
• M26: 29,532,564 km (0.108 R)
• M27: 32,734,707 km (0.099 R)
• M28: 33,104,214 km (0.114 R)
• M29: 36,291,995 km (0.1 R)
• M30: 42,681,320 km (0.079 R)
• M31: 42,827,926 km (0.093 R)
• M32: 50,432,733 km (0.115 R)
• M33: 51,255,821 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932

Radius: 7.6

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.96 AU - 9.06 AU

Year: 18343 Days

Day: 21.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,127,901 km

• M1: 106,962 km (0.057 R)
• M2: 368,160 km (0.116 R)
• M3: 674,986 km (0.085 R)
• M4: 1,012,179 km (0.079 R)
• M5: 1,659,190 km (0.088 R)
• M6: 3,191,521 km (0.12 R)
• M7: 4,846,522 km (0.078 R)
• M8: 6,197,092 km (0.07 R)
• M9: 6,774,390 km (0.073 R)
• M10: 11,207,872 km (0.079 R)
• M11: 12,404,805 km (0.095 R)
• M12: 13,105,372 km (0.073 R)
• M13: 14,508,899 km (0.118 R)
• M14: 15,605,152 km (0.081 R)
• M15: 17,873,654 km (0.047 R)
• M16: 19,409,725 km (0.093 R)
• M17: 24,111,138 km (0.073 R)
• M18: 25,090,555 km (0.119 R)
• M19: 27,596,020 km (0.102 R)
• M20: 31,147,025 km (0.106 R)
• M21: 33,900,822 km (0.101 R)
• M22: 41,256,101 km (0.099 R)
• M23: 47,549,384 km (0.104 R)
• M24: 53,168,130 km (0.087 R)
• M25: 74,230,463 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.5

Radius: 3.4

Gravity: 59.82 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.62 AU - 10.92 AU

Year: 23973 Days

Day: 21.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 86,127,901 km

• M1: 42,486 km (0.074 R)
• M2: 180,116 km (0.096 R)
• M3: 293,960 km (0.1 R)
• M4: 457,769 km (0.087 R)
• M5: 839,543 km (0.11 R)
• M6: 1,076,057 km (0.118 R)
• M7: 1,469,649 km (0.109 R)
• M8: 2,035,129 km (0.103 R)
• M9: 2,366,638 km (0.093 R)
• M10: 3,455,711 km (0.103 R)
• M11: 4,092,250 km (0.075 R)
• M12: 5,148,860 km (0.101 R)
• M13: 5,388,067 km (0.046 R)
• M14: 7,030,950 km (0.085 R)
• M15: 8,641,970 km (0.118 R)
• M16: 8,753,719 km (0.108 R)
• M17: 9,385,322 km (0.068 R)
• M18: 9,985,359 km (0.089 R)
• M19: 10,232,345 km (0.061 R)
• M20: 12,428,142 km (0.113 R)
• M21: 13,004,094 km (0.087 R)
• M22: 15,322,861 km (0.069 R)
• M23: 15,486,521 km (0.074 R)
• M24: 17,543,342 km (0.111 R)
• M25: 21,363,324 km (0.045 R)
• M26: 22,188,655 km (0.096 R)
• M27: 27,110,425 km (0.068 R)
• M28: 29,443,255 km (0.109 R)
• M29: 33,256,504 km (0.112 R)
• M30: 37,682,806 km (0.025 R)
• M31: 40,894,373 km (0.056 R)
• M32: 44,949,672 km (0.112 R)
• M33: 51,430,850 km (0.109 R)
• M34: 52,909,625 km (0.08 R)
• M35: 53,283,620 km (0.119 R)
• M36: 60,118,298 km (0.066 R)
• M37: 62,589,804 km (0.114 R)
• M38: 65,557,676 km (0.072 R)
• M39: 69,509,454 km (0.068 R)
• M40: 70,408,687 km (0.04 R)
• M41: 75,257,303 km (0.05 R)
• M42: 84,843,086 km (0.066 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 14,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit