🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.46 AU - 0.76 AU

Year: 313 Days

Day: 13.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.9

Radius: 13

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.02 AU - 1.06 AU

Year: 696 Days

Day: 5.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,068,048 km

• M1: 170,242 km (0.034 R)
• M2: 540,796 km (0.087 R)
• M3: 1,068,129 km (0.098 R)
• M4: 1,580,801 km (0.114 R)
• M5: 1,839,904 km (0.107 R)
• M6: 2,207,915 km (0.098 R)
• M7: 2,546,006 km (0.098 R)
• M8: 2,832,037 km (0.091 R)
• M9: 3,814,447 km (0.114 R)
• M10: 5,012,725 km (0.094 R)
• M11: 5,681,129 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.1

Radius: 15

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.12 AU - 1.68 AU

Year: 1087 Days

Day: 5 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,068,048 km

• M1: 187,297 km (0.114 R)
• M2: 784,042 km (0.114 R)
• M3: 1,239,718 km (0.109 R)
• M4: 1,660,985 km (0.113 R)
• M5: 2,528,204 km (0.109 R)
• M6: 3,174,916 km (0.04 R)
• M7: 4,453,080 km (0.09 R)
• M8: 5,539,460 km (0.084 R)
• M9: 5,945,618 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.7

Radius: 10

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.19 AU - 1.69 AU

Year: 1134 Days

Day: 13.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,068,048 km

• M1: 353,799 km (0.117 R)
• M2: 935,286 km (0.112 R)
• M3: 1,305,690 km (0.086 R)
• M4: 1,500,167 km (0.062 R)
• M5: 1,902,735 km (0.071 R)
• M6: 2,768,458 km (0.076 R)
• M7: 3,306,412 km (0.097 R)
• M8: 4,471,331 km (0.118 R)
• M9: 5,283,348 km (0.108 R)
• M10: 5,668,114 km (0.108 R)
• M11: 6,435,700 km (0.095 R)
• M12: 7,484,681 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.8

Radius: 8.8

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.34 AU - 2.22 AU

Year: 1558 Days

Day: 5.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,068,048 km

• M1: 109,954 km (0.114 R)
• M2: 340,934 km (0.049 R)
• M3: 693,386 km (0.114 R)
• M4: 929,751 km (0.038 R)
• M5: 1,581,997 km (0.112 R)
• M6: 1,850,825 km (0.116 R)
• M7: 2,233,945 km (0.115 R)
• M8: 3,213,512 km (0.107 R)
• M9: 3,519,888 km (0.078 R)
• M10: 4,062,629 km (0.071 R)
• M11: 4,348,960 km (0.048 R)
• M12: 4,600,284 km (0.085 R)
• M13: 4,920,723 km (0.065 R)
• M14: 5,236,075 km (0.117 R)
• M15: 5,413,797 km (0.111 R)
• M16: 5,879,944 km (0.08 R)
• M17: 6,312,731 km (0.101 R)
• M18: 7,056,232 km (0.115 R)
• M19: 7,588,352 km (0.074 R)
• M20: 7,980,298 km (0.118 R)
• M21: 9,088,669 km (0.109 R)
• M22: 9,323,538 km (0.107 R)
• M23: 9,539,557 km (0.119 R)
• M24: 10,090,526 km (0.074 R)
• M25: 10,981,381 km (0.077 R)
• M26: 11,500,785 km (0.102 R)
• M27: 11,692,570 km (0.071 R)
• M28: 12,203,745 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.7

Radius: 13.3

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.05 AU - 3.21 AU

Year: 2798 Days

Day: 7 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,068,048 km

• M1: 182,210 km (0.095 R)
• M2: 540,348 km (0.118 R)
• M3: 872,455 km (0.095 R)
• M4: 1,327,681 km (0.097 R)
• M5: 1,623,286 km (0.108 R)
• M6: 2,081,505 km (0.072 R)
• M7: 2,711,162 km (0.091 R)
• M8: 3,111,037 km (0.08 R)
• M9: 3,524,376 km (0.112 R)
• M10: 4,066,220 km (0.095 R)
• M11: 4,594,001 km (0.067 R)
• M12: 4,964,405 km (0.088 R)
• M13: 5,547,987 km (0.098 R)
• M14: 5,976,285 km (0.104 R)
• M15: 6,228,507 km (0.102 R)
• M16: 6,837,670 km (0.076 R)
• M17: 7,153,321 km (0.078 R)
• M18: 7,616,626 km (0.078 R)
• M19: 8,070,656 km (0.069 R)
• M20: 8,588,115 km (0.061 R)
• M21: 9,434,390 km (0.118 R)
• M22: 9,994,035 km (0.056 R)
• M23: 10,458,986 km (0.099 R)
• M24: 10,991,554 km (0.054 R)
• M25: 11,712,616 km (0.076 R)
• M26: 12,276,151 km (0.068 R)
• M27: 13,696,134 km (0.112 R)
• M28: 14,598,957 km (0.081 R)
• M29: 16,983,846 km (0.104 R)
• M30: 17,915,991 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.7

Radius: 14.5

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.27 AU - 3.71 AU

Year: 3392 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,068,048 km

• M1: 180,714 km (0.075 R)
• M2: 493,224 km (0.113 R)
• M3: 807,679 km (0.086 R)
• M4: 1,355,806 km (0.117 R)
• M5: 2,371,425 km (0.105 R)
• M6: 2,947,228 km (0.041 R)
• M7: 3,663,652 km (0.083 R)
• M8: 4,023,734 km (0.102 R)
• M9: 4,990,136 km (0.059 R)
• M10: 6,209,808 km (0.036 R)
• M11: 6,858,464 km (0.108 R)
• M12: 7,784,026 km (0.081 R)
• M13: 12,465,542 km (0.118 R)
• M14: 15,014,989 km (0.111 R)
• M15: 15,476,199 km (0.11 R)
• M16: 15,865,901 km (0.086 R)
• M17: 17,268,381 km (0.079 R)
• M18: 17,721,513 km (0.099 R)
• M19: 18,054,817 km (0.101 R)
• M20: 23,383,344 km (0.112 R)
• M21: 23,766,464 km (0.118 R)
• M22: 24,055,786 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.5

Radius: 9.8

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.3 AU - 3.52 AU

Year: 4131 Days

Day: 6.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,068,048 km

• M1: 122,221 km (0.116 R)
• M2: 367,263 km (0.074 R)
• M3: 685,158 km (0.037 R)
• M4: 1,519,316 km (0.042 R)
• M5: 1,994,738 km (0.065 R)
• M6: 2,330,884 km (0.1 R)
• M7: 2,726,272 km (0.086 R)
• M8: 2,969,219 km (0.101 R)
• M9: 3,257,494 km (0.085 R)
• M10: 3,651,385 km (0.119 R)
• M11: 3,856,932 km (0.104 R)
• M12: 4,107,509 km (0.078 R)
• M13: 4,929,399 km (0.114 R)
• M14: 5,302,048 km (0.063 R)
• M15: 5,734,984 km (0.03 R)
• M16: 6,233,743 km (0.096 R)
• M17: 6,982,929 km (0.063 R)
• M18: 7,559,928 km (0.028 R)
• M19: 8,440,761 km (0.074 R)
• M20: 9,222,260 km (0.119 R)
• M21: 9,823,793 km (0.056 R)
• M22: 10,922,889 km (0.108 R)
• M23: 11,378,863 km (0.083 R)
• M24: 12,491,273 km (0.061 R)
• M25: 13,404,717 km (0.092 R)
• M26: 14,499,026 km (0.112 R)
• M27: 15,752,656 km (0.094 R)
• M28: 16,064,567 km (0.08 R)
• M29: 18,166,567 km (0.12 R)
• M30: 20,266,323 km (0.104 R)
• M31: 20,575,691 km (0.035 R)
• M32: 21,156,580 km (0.038 R)
• M33: 21,791,174 km (0.063 R)
• M34: 22,620,993 km (0.104 R)
• M35: 23,751,654 km (0.117 R)
• M36: 24,134,774 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.1

Radius: 6.4

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 8.44 AU - 9.48 AU

Year: 17594 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 59,068,048 km

• M1: 151,842 km (0.086 R)
• M2: 495,767 km (0.096 R)
• M3: 669,450 km (0.039 R)
• M4: 819,497 km (0.082 R)
• M5: 957,576 km (0.071 R)
• M6: 1,170,603 km (0.057 R)
• M7: 1,533,528 km (0.047 R)
• M8: 2,392,220 km (0.074 R)
• M9: 3,421,004 km (0.08 R)
• M10: 3,649,290 km (0.05 R)
• M11: 4,190,835 km (0.053 R)
• M12: 9,707,406 km (0.056 R)
• M13: 9,995,531 km (0.097 R)
• M14: 10,337,063 km (0.102 R)
• M15: 10,534,832 km (0.111 R)
• M16: 10,684,280 km (0.055 R)
• M17: 11,344,605 km (0.029 R)
• M18: 12,670,341 km (0.097 R)
• M19: 13,332,910 km (0.106 R)
• M20: 14,127,275 km (0.076 R)
• M21: 14,708,911 km (0.113 R)
• M22: 17,216,920 km (0.109 R)
• M23: 17,472,283 km (0.117 R)
• M24: 22,463,167 km (0.083 R)
• M25: 25,155,780 km (0.106 R)
• M26: 27,758,483 km (0.084 R)
• M27: 29,066,567 km (0.119 R)
• M28: 30,151,600 km (0.08 R)
• M29: 33,349,105 km (0.064 R)
• M30: 36,152,420 km (0.119 R)
• M31: 36,337,173 km (0.047 R)
• M32: 37,267,971 km (0.12 R)
• M33: 39,165,171 km (0.098 R)
• M34: 41,207,781 km (0.045 R)
• M35: 41,900,269 km (0.117 R)
• M36: 42,698,823 km (0.084 R)
• M37: 47,014,572 km (0.068 R)
• M38: 49,358,321 km (0.07 R)
• M39: 50,989,088 km (0.053 R)
• M40: 51,318,353 km (0.067 R)
• M41: 51,980,174 km (0.085 R)
• M42: 53,765,924 km (0.116 R)
• M43: 54,104,164 km (0.074 R)
• M44: 56,616,511 km (0.112 R)
• M45: 57,544,317 km (0.084 R)
• M46: 58,714,621 km (0.095 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 13,554 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit