🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.9

Radius: 10.4

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.54 AU - 0.66 AU

Year: 310 Days

Day: 5.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,622,805 km

• M1: 129,402 km (0.098 R)
• M2: 589,864 km (0.112 R)
• M3: 968,048 km (0.109 R)
• M4: 1,998,179 km (0.07 R)
• M5: 2,379,205 km (0.095 R)
• M6: 2,740,184 km (0.083 R)
• M7: 3,311,947 km (0.11 R)
• M8: 3,849,752 km (0.063 R)
• M9: 4,417,924 km (0.063 R)
• M10: 4,894,543 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508

Radius: 9

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.58 AU - 0.8 AU

Year: 382 Days

Day: 10.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,622,805 km

• M1: 111,899 km (0.093 R)
• M2: 412,890 km (0.099 R)
• M3: 727,794 km (0.111 R)
• M4: 1,050,626 km (0.108 R)
• M5: 1,526,796 km (0.108 R)
• M6: 2,006,706 km (0.065 R)
• M7: 2,621,703 km (0.064 R)
• M8: 2,902,797 km (0.098 R)
• M9: 3,182,695 km (0.053 R)
• M10: 3,630,890 km (0.093 R)
• M11: 3,969,280 km (0.114 R)
• M12: 4,435,278 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.1

Radius: 8.7

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.77 AU - 0.99 AU

Year: 550 Days

Day: 9.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,622,805 km

• M1: 108,309 km (0.048 R)
• M2: 534,513 km (0.057 R)
• M3: 811,868 km (0.099 R)
• M4: 1,405,472 km (0.117 R)
• M5: 1,842,597 km (0.103 R)
• M6: 2,243,370 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.6

Radius: 8.6

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.75 AU - 1.99 AU

Year: 1705 Days

Day: 6.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,622,805 km

• M1: 106,962 km (0.116 R)
• M2: 386,411 km (0.05 R)
• M3: 693,536 km (0.059 R)
• M4: 965,654 km (0.078 R)
• M5: 1,573,919 km (0.072 R)
• M6: 2,126,983 km (0.117 R)
• M7: 3,293,696 km (0.085 R)
• M8: 3,634,331 km (0.117 R)
• M9: 4,143,412 km (0.107 R)
• M10: 4,699,168 km (0.088 R)
• M11: 6,541,616 km (0.049 R)
• M12: 8,076,939 km (0.037 R)
• M13: 9,480,316 km (0.111 R)
• M14: 10,138,696 km (0.063 R)
• M15: 10,933,061 km (0.09 R)
• M16: 12,220,650 km (0.119 R)
• M17: 12,567,418 km (0.091 R)
• M18: 13,200,217 km (0.12 R)
• M19: 13,979,023 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.8

Radius: 14.5

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.35 AU - 2.71 AU

Year: 2684 Days

Day: 6.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,622,805 km

• M1: 180,265 km (0.042 R)
• M2: 635,641 km (0.111 R)
• M3: 1,106,725 km (0.076 R)
• M4: 1,733,690 km (0.108 R)
• M5: 2,476,294 km (0.057 R)
• M6: 3,333,789 km (0.079 R)
• M7: 3,822,824 km (0.075 R)
• M8: 5,090,816 km (0.087 R)
• M9: 5,769,840 km (0.033 R)
• M10: 7,591,494 km (0.047 R)
• M11: 10,903,890 km (0.036 R)
• M12: 11,862,962 km (0.112 R)
• M13: 16,537,745 km (0.083 R)
• M14: 17,803,942 km (0.11 R)
• M15: 19,074,626 km (0.117 R)
• M16: 20,653,482 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.9

Radius: 9.8

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.13 AU - 3.29 AU

Year: 3835 Days

Day: 7.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,622,805 km

• M1: 121,922 km (0.042 R)
• M2: 555,307 km (0.058 R)
• M3: 866,920 km (0.065 R)
• M4: 1,956,740 km (0.111 R)
• M5: 2,420,793 km (0.073 R)
• M6: 2,819,770 km (0.103 R)
• M7: 3,212,913 km (0.109 R)
• M8: 4,596,245 km (0.085 R)
• M9: 5,234,429 km (0.114 R)
• M10: 6,907,233 km (0.113 R)
• M11: 7,507,420 km (0.081 R)
• M12: 8,778,852 km (0.061 R)
• M13: 11,042,417 km (0.079 R)
• M14: 13,625,673 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.3

Radius: 9.7

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.32 AU - 3.34 AU

Year: 4052 Days

Day: 12.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,622,805 km

• M1: 120,875 km (0.09 R)
• M2: 604,226 km (0.037 R)
• M3: 1,148,463 km (0.077 R)
• M4: 1,734,737 km (0.093 R)
• M5: 2,588,193 km (0.041 R)
• M6: 2,951,117 km (0.11 R)
• M7: 3,366,999 km (0.083 R)
• M8: 3,883,860 km (0.067 R)
• M9: 4,316,796 km (0.056 R)
• M10: 4,686,153 km (0.109 R)
• M11: 5,622,038 km (0.069 R)
• M12: 7,268,811 km (0.086 R)
• M13: 7,759,642 km (0.091 R)
• M14: 9,673,597 km (0.1 R)
• M15: 12,704,450 km (0.097 R)
• M16: 13,417,583 km (0.106 R)
• M17: 14,157,045 km (0.107 R)
• M18: 14,871,524 km (0.084 R)
• M19: 15,609,790 km (0.117 R)
• M20: 16,042,427 km (0.11 R)
• M21: 16,483,142 km (0.068 R)
• M22: 17,678,579 km (0.095 R)
• M23: 18,208,305 km (0.091 R)
• M24: 20,050,453 km (0.111 R)
• M25: 23,462,182 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.4

Radius: 4.4

Gravity: 42.12 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.37 AU - 7.55 AU

Year: 10949 Days

Day: 17.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,622,805 km

• M1: 54,753 km (0.111 R)
• M2: 247,734 km (0.096 R)
• M3: 575,653 km (0.104 R)
• M4: 948,600 km (0.042 R)
• M5: 1,467,106 km (0.1 R)
• M6: 1,739,674 km (0.036 R)
• M7: 1,922,482 km (0.07 R)
• M8: 2,249,204 km (0.095 R)
• M9: 3,402,454 km (0.09 R)
• M10: 4,522,942 km (0.117 R)
• M11: 6,243,168 km (0.072 R)
• M12: 6,593,377 km (0.091 R)
• M13: 7,375,624 km (0.114 R)
• M14: 7,722,691 km (0.075 R)
• M15: 9,024,043 km (0.11 R)
• M16: 9,421,225 km (0.081 R)
• M17: 9,675,242 km (0.035 R)
• M18: 11,070,542 km (0.111 R)
• M19: 13,406,812 km (0.109 R)
• M20: 14,386,678 km (0.076 R)
• M21: 17,534,815 km (0.081 R)
• M22: 19,760,383 km (0.076 R)
• M23: 20,513,907 km (0.09 R)
• M24: 21,460,712 km (0.077 R)
• M25: 21,635,891 km (0.108 R)
• M26: 30,546,838 km (0.105 R)
• M27: 32,466,179 km (0.073 R)
• M28: 35,067,386 km (0.109 R)
• M29: 39,486,508 km (0.061 R)
• M30: 42,860,688 km (0.086 R)
• M31: 44,974,805 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.1

Radius: 5.2

Gravity: 23.38 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.41 AU - 7.59 AU

Year: 13697 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,622,805 km

• M1: 64,925 km (0.078 R)
• M2: 262,544 km (0.105 R)
• M3: 589,565 km (0.106 R)
• M4: 829,969 km (0.119 R)
• M5: 1,146,668 km (0.119 R)
• M6: 1,326,634 km (0.1 R)
• M7: 1,570,778 km (0.109 R)
• M8: 1,966,165 km (0.041 R)
• M9: 2,245,464 km (0.112 R)
• M10: 2,508,457 km (0.066 R)
• M11: 2,702,486 km (0.055 R)
• M12: 3,048,057 km (0.094 R)
• M13: 3,396,769 km (0.108 R)
• M14: 3,743,986 km (0.088 R)
• M15: 4,764,243 km (0.032 R)
• M16: 6,033,432 km (0.071 R)
• M17: 6,663,987 km (0.041 R)
• M18: 6,953,309 km (0.115 R)
• M19: 7,250,859 km (0.033 R)
• M20: 7,556,936 km (0.114 R)
• M21: 9,946,014 km (0.039 R)
• M22: 10,767,456 km (0.102 R)
• M23: 11,456,654 km (0.113 R)
• M24: 14,577,116 km (0.068 R)
• M25: 16,294,050 km (0.083 R)
• M26: 16,592,797 km (0.071 R)
• M27: 22,891,915 km (0.088 R)
• M28: 26,928,963 km (0.104 R)
• M29: 27,346,640 km (0.1 R)
• M30: 30,617,149 km (0.106 R)
• M31: 35,370,621 km (0.112 R)
• M32: 37,015,450 km (0.062 R)
• M33: 39,779,121 km (0.088 R)
• M34: 43,387,422 km (0.111 R)
• M35: 47,967,360 km (0.118 R)
• M36: 49,980,349 km (0.081 R)
• M37: 51,887,722 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.6

Radius: 3.7

Gravity: 54.97 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.84 AU - 10.28 AU

Year: 16701 Days

Day: 20.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,622,805 km

• M1: 46,375 km (0.12 R)
• M2: 166,203 km (0.09 R)
• M3: 370,105 km (0.103 R)
• M4: 699,669 km (0.118 R)
• M5: 1,107,323 km (0.1 R)
• M6: 2,159,146 km (0.113 R)
• M7: 4,301,537 km (0.118 R)
• M8: 5,577,906 km (0.074 R)
• M9: 5,773,131 km (0.085 R)
• M10: 6,177,195 km (0.034 R)
• M11: 6,643,193 km (0.1 R)
• M12: 6,996,543 km (0.094 R)
• M13: 12,462,251 km (0.11 R)
• M14: 13,904,075 km (0.096 R)
• M15: 14,408,369 km (0.099 R)
• M16: 16,072,795 km (0.095 R)
• M17: 17,777,014 km (0.096 R)
• M18: 18,802,956 km (0.112 R)
• M19: 18,977,687 km (0.093 R)
• M20: 20,507,175 km (0.116 R)
• M21: 30,588,576 km (0.085 R)
• M22: 31,317,716 km (0.089 R)
• M23: 32,182,840 km (0.077 R)
• M24: 39,542,158 km (0.086 R)
• M25: 43,380,989 km (0.079 R)
• M26: 46,657,033 km (0.112 R)
• M27: 49,261,083 km (0.053 R)
• M28: 52,132,165 km (0.088 R)
• M29: 63,940,524 km (0.114 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: 466 - 19,017 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit