🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.7

Radius: 14.5

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.61 AU - 0.93 AU

Year: 475 Days

Day: 6 Hours

Environment

Temp: -165 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,661,998 km

• M1: 180,265 km (0.117 R)
• M2: 636,240 km (0.088 R)
• M3: 1,133,802 km (0.097 R)
• M4: 1,638,994 km (0.046 R)
• M5: 2,271,793 km (0.118 R)
• M6: 2,883,050 km (0.057 R)
• M7: 3,443,145 km (0.076 R)
• M8: 3,987,830 km (0.044 R)
• M9: 4,508,132 km (0.114 R)
• M10: 4,986,097 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 14

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.23 AU - 1.31 AU

Year: 1006 Days

Day: 12.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,661,998 km

• M1: 174,132 km (0.045 R)
• M2: 744,549 km (0.077 R)
• M3: 1,217,427 km (0.098 R)
• M4: 1,898,547 km (0.045 R)
• M5: 3,097,574 km (0.068 R)
• M6: 3,551,902 km (0.092 R)
• M7: 4,237,509 km (0.111 R)
• M8: 4,674,634 km (0.048 R)
• M9: 6,596,817 km (0.092 R)
• M10: 7,082,861 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800

Radius: 15

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.35 AU - 1.49 AU

Year: 1189 Days

Day: 12.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,661,998 km

• M1: 186,549 km (0.035 R)
• M2: 766,390 km (0.11 R)
• M3: 1,689,259 km (0.103 R)
• M4: 2,286,454 km (0.051 R)
• M5: 3,983,343 km (0.106 R)
• M6: 5,117,594 km (0.058 R)
• M7: 6,504,815 km (0.108 R)
• M8: 7,035,737 km (0.066 R)
• M9: 7,621,712 km (0.041 R)
• M10: 8,240,300 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.6

Radius: 12.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.69 AU - 2.79 AU

Year: 3188 Days

Day: 7.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,661,998 km

• M1: 159,471 km (0.075 R)
• M2: 573,857 km (0.105 R)
• M3: 1,020,108 km (0.109 R)
• M4: 1,685,370 km (0.036 R)
• M5: 2,124,439 km (0.067 R)
• M6: 2,530,598 km (0.089 R)
• M7: 3,034,892 km (0.062 R)
• M8: 3,746,379 km (0.113 R)
• M9: 4,505,439 km (0.063 R)
• M10: 6,153,110 km (0.059 R)
• M11: 7,608,398 km (0.108 R)
• M12: 8,479,058 km (0.043 R)
• M13: 9,183,065 km (0.066 R)
• M14: 12,036,495 km (0.094 R)
• M15: 13,050,918 km (0.04 R)
• M16: 13,643,326 km (0.029 R)
• M17: 15,907,190 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.1

Radius: 14.9

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.71 AU - 3.17 AU

Year: 3543 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,661,998 km

• M1: 186,100 km (0.088 R)
• M2: 1,237,922 km (0.103 R)
• M3: 2,062,356 km (0.089 R)
• M4: 2,569,044 km (0.115 R)
• M5: 3,326,009 km (0.085 R)
• M6: 6,460,234 km (0.109 R)
• M7: 7,464,186 km (0.05 R)
• M8: 11,498,990 km (0.115 R)
• M9: 12,829,663 km (0.114 R)
• M10: 13,656,191 km (0.09 R)
• M11: 14,158,840 km (0.034 R)
• M12: 14,725,966 km (0.078 R)
• M13: 16,575,444 km (0.106 R)
• M14: 17,497,565 km (0.06 R)
• M15: 18,151,158 km (0.104 R)
• M16: 19,130,875 km (0.096 R)
• M17: 19,952,616 km (0.119 R)
• M18: 20,929,939 km (0.046 R)
• M19: 21,531,622 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.5

Radius: 11.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.69 AU - 5.81 AU

Year: 8456 Days

Day: 5.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,661,998 km

• M1: 140,622 km (0.054 R)
• M2: 567,275 km (0.096 R)
• M3: 1,124,976 km (0.103 R)
• M4: 1,954,646 km (0.076 R)
• M5: 2,577,272 km (0.117 R)
• M6: 3,240,439 km (0.095 R)
• M7: 5,293,371 km (0.083 R)
• M8: 6,647,381 km (0.101 R)
• M9: 7,010,156 km (0.12 R)
• M10: 7,736,005 km (0.111 R)
• M11: 8,511,371 km (0.102 R)
• M12: 9,980,123 km (0.037 R)
• M13: 11,456,355 km (0.098 R)
• M14: 12,682,907 km (0.109 R)
• M15: 13,995,180 km (0.067 R)
• M16: 14,653,859 km (0.1 R)
• M17: 15,776,143 km (0.106 R)
• M18: 19,121,301 km (0.094 R)
• M19: 20,920,664 km (0.097 R)
• M20: 22,100,991 km (0.118 R)
• M21: 22,748,451 km (0.109 R)
• M22: 23,242,273 km (0.053 R)
• M23: 24,766,975 km (0.119 R)
• M24: 25,819,695 km (0.108 R)
• M25: 33,507,978 km (0.082 R)
• M26: 38,157,630 km (0.12 R)
• M27: 39,561,157 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.3

Radius: 6.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.51 AU - 8.01 AU

Year: 12355 Days

Day: 18.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 83.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,661,998 km

• M1: 193,580 km (0.102 R)
• M2: 484,248 km (0.103 R)
• M3: 694,134 km (0.079 R)
• M4: 2,459,389 km (0.103 R)
• M5: 3,586,310 km (0.117 R)
• M6: 4,432,884 km (0.077 R)
• M7: 6,771,996 km (0.102 R)
• M8: 7,274,645 km (0.115 R)
• M9: 9,291,225 km (0.056 R)
• M10: 16,314,097 km (0.029 R)
• M11: 16,911,590 km (0.079 R)
• M12: 20,256,300 km (0.12 R)
• M13: 23,712,310 km (0.076 R)
• M14: 24,789,863 km (0.114 R)
• M15: 27,878,610 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520

Radius: 6.7

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.89 AU - 9.47 AU

Year: 14961 Days

Day: 20.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,661,998 km

• M1: 85,570 km (0.025 R)
• M2: 582,534 km (0.063 R)
• M3: 986,448 km (0.111 R)
• M4: 1,391,559 km (0.071 R)
• M5: 1,703,770 km (0.075 R)
• M6: 2,595,523 km (0.044 R)
• M7: 2,929,575 km (0.104 R)
• M8: 4,048,567 km (0.078 R)
• M9: 5,752,038 km (0.066 R)
• M10: 7,526,568 km (0.099 R)
• M11: 8,977,069 km (0.116 R)
• M12: 9,689,604 km (0.069 R)
• M13: 12,113,987 km (0.025 R)
• M14: 12,856,591 km (0.053 R)
• M15: 13,498,365 km (0.098 R)
• M16: 13,893,603 km (0.079 R)
• M17: 16,059,481 km (0.066 R)
• M18: 16,955,123 km (0.112 R)
• M19: 19,673,167 km (0.099 R)
• M20: 20,010,959 km (0.103 R)
• M21: 21,135,486 km (0.101 R)
• M22: 21,668,354 km (0.105 R)
• M23: 22,028,586 km (0.029 R)
• M24: 23,415,208 km (0.064 R)
• M25: 24,957,263 km (0.034 R)
• M26: 26,771,736 km (0.069 R)
• M27: 28,888,994 km (0.093 R)
• M28: 29,988,240 km (0.075 R)
• M29: 32,036,982 km (0.071 R)
• M30: 34,911,057 km (0.075 R)
• M31: 37,176,268 km (0.066 R)
• M32: 37,822,530 km (0.114 R)
• M33: 41,028,862 km (0.069 R)
• M34: 49,672,028 km (0.051 R)
• M35: 52,048,091 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.5

Radius: 3.4

Gravity: 81.7 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.07 AU - 9.01 AU

Year: 17543 Days

Day: 18.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 73,661,998 km

• M1: 42,336 km (0.12 R)
• M2: 154,235 km (0.115 R)
• M3: 293,661 km (0.095 R)
• M4: 403,465 km (0.103 R)
• M5: 549,473 km (0.115 R)
• M6: 973,733 km (0.047 R)
• M7: 1,101,040 km (0.06 R)
• M8: 1,875,808 km (0.106 R)
• M9: 2,880,507 km (0.103 R)
• M10: 3,630,740 km (0.114 R)
• M11: 4,537,603 km (0.112 R)
• M12: 4,858,640 km (0.112 R)
• M13: 6,382,444 km (0.096 R)
• M14: 6,514,838 km (0.037 R)
• M15: 6,785,161 km (0.046 R)
• M16: 8,619,680 km (0.107 R)
• M17: 11,589,048 km (0.087 R)
• M18: 15,174,909 km (0.104 R)
• M19: 16,963,052 km (0.106 R)
• M20: 20,661,112 km (0.116 R)
• M21: 23,789,353 km (0.103 R)
• M22: 27,451,060 km (0.093 R)
• M23: 27,684,283 km (0.119 R)
• M24: 28,750,317 km (0.113 R)
• M25: 29,598,238 km (0.04 R)
• M26: 33,156,573 km (0.092 R)
• M27: 35,312,577 km (0.094 R)
• M28: 37,992,025 km (0.116 R)
• M29: 39,159,636 km (0.083 R)
• M30: 42,493,574 km (0.1 R)
• M31: 51,822,647 km (0.093 R)
• M32: 55,459,371 km (0.1 R)
• M33: 57,530,105 km (0.03 R)
• M34: 61,029,050 km (0.055 R)
• M35: 61,426,382 km (0.063 R)
• M36: 63,642,375 km (0.06 R)
• M37: 66,120,164 km (0.109 R)
• M38: 66,329,452 km (0.104 R)
• M39: 72,593,863 km (0.193 R)
• M40: 75,525,682 km (0.086 R)
• M41: 77,136,552 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.2

Radius: 5.7

Gravity: 24.69 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.16 AU - 8.96 AU

Year: 17604 Days

Day: 15.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,661,998 km

• M1: 96,191 km (0.066 R)
• M2: 295,306 km (0.112 R)
• M3: 909,106 km (0.087 R)
• M4: 1,305,541 km (0.103 R)
• M5: 1,551,779 km (0.069 R)
• M6: 2,077,765 km (0.07 R)
• M7: 2,284,509 km (0.091 R)
• M8: 3,419,209 km (0.118 R)
• M9: 3,798,440 km (0.075 R)
• M10: 4,205,346 km (0.086 R)
• M11: 5,068,974 km (0.075 R)
• M12: 5,484,258 km (0.074 R)
• M13: 5,680,381 km (0.074 R)
• M14: 6,687,922 km (0.063 R)
• M15: 8,623,270 km (0.054 R)
• M16: 13,203,508 km (0.076 R)
• M17: 14,281,361 km (0.077 R)
• M18: 15,031,744 km (0.065 R)
• M19: 19,452,959 km (0.091 R)
• M20: 20,750,870 km (0.038 R)
• M21: 24,669,138 km (0.091 R)
• M22: 25,312,708 km (0.067 R)
• M23: 26,521,459 km (0.109 R)
• M24: 27,653,166 km (0.064 R)
• M25: 32,503,279 km (0.078 R)
• M26: 36,769,062 km (0.062 R)
• M27: 39,762,516 km (0.057 R)
• M28: 40,055,727 km (0.108 R)
• M29: 45,105,703 km (0.084 R)
• M30: 46,228,884 km (0.066 R)
• M31: 52,300,912 km (0.071 R)
• M32: 53,362,009 km (0.118 R)
• M33: 53,897,869 km (0.108 R)
• M34: 64,571,079 km (0.108 R)
• M35: 67,235,566 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 19,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit