🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.5

Radius: 13.3

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.83 AU - 0.83 AU

Year: 496 Days

Day: 8.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,712,577 km

• M1: 165,754 km (0.116 R)
• M2: 887,564 km (0.077 R)
• M3: 1,475,334 km (0.045 R)
• M4: 2,257,881 km (0.095 R)
• M5: 3,158,909 km (0.083 R)
• M6: 3,635,378 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.7

Radius: 10.6

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.96 AU - 1.06 AU

Year: 666 Days

Day: 5.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,712,577 km

• M1: 131,796 km (0.106 R)
• M2: 495,019 km (0.108 R)
• M3: 951,891 km (0.068 R)
• M4: 1,337,255 km (0.112 R)
• M5: 1,760,318 km (0.057 R)
• M6: 2,212,852 km (0.096 R)
• M7: 2,542,565 km (0.095 R)
• M8: 3,996,806 km (0.106 R)
• M9: 5,181,771 km (0.091 R)
• M10: 6,421,638 km (0.04 R)
• M11: 7,210,617 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.2

Radius: 10.8

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.86 AU - 1.26 AU

Year: 716 Days

Day: 7.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,712,577 km

• M1: 134,339 km (0.114 R)
• M2: 482,004 km (0.088 R)
• M3: 1,011,880 km (0.099 R)
• M4: 1,409,810 km (0.057 R)
• M5: 1,832,873 km (0.085 R)
• M6: 2,217,788 km (0.077 R)
• M7: 2,555,580 km (0.111 R)
• M8: 4,068,015 km (0.109 R)
• M9: 4,496,463 km (0.034 R)
• M10: 5,078,997 km (0.102 R)
• M11: 5,614,857 km (0.077 R)
• M12: 6,373,916 km (0.11 R)
• M13: 6,909,776 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.5

Radius: 14.9

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.88 AU - 1.3 AU

Year: 747 Days

Day: 10.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,712,577 km

• M1: 185,801 km (0.111 R)
• M2: 691,741 km (0.094 R)
• M3: 1,197,381 km (0.064 R)
• M4: 1,679,984 km (0.12 R)
• M5: 2,186,373 km (0.105 R)
• M6: 3,073,339 km (0.081 R)
• M7: 3,657,219 km (0.111 R)
• M8: 4,189,788 km (0.093 R)
• M9: 4,911,298 km (0.089 R)
• M10: 5,657,193 km (0.058 R)
• M11: 6,188,864 km (0.116 R)
• M12: 7,445,336 km (0.094 R)
• M13: 8,036,846 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.5

Radius: 13.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.82 AU - 6.04 AU

Year: 7181 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,712,577 km

• M1: 173,384 km (0.027 R)
• M2: 784,940 km (0.065 R)
• M3: 1,443,619 km (0.069 R)
• M4: 2,162,886 km (0.104 R)
• M5: 2,722,532 km (0.039 R)
• M6: 5,283,797 km (0.082 R)
• M7: 6,032,983 km (0.116 R)
• M8: 6,487,162 km (0.063 R)
• M9: 7,077,625 km (0.047 R)
• M10: 15,829,549 km (0.117 R)
• M11: 18,749,550 km (0.068 R)
• M12: 19,494,547 km (0.115 R)
• M13: 20,027,565 km (0.05 R)
• M14: 20,727,383 km (0.053 R)
• M15: 25,725,897 km (0.11 R)
• M16: 27,020,218 km (0.114 R)
• M17: 27,492,947 km (0.082 R)
• M18: 28,260,683 km (0.083 R)
• M19: 28,845,761 km (0.051 R)
• M20: 34,041,145 km (0.105 R)
• M21: 36,397,910 km (0.062 R)
• M22: 36,974,759 km (0.06 R)
• M23: 37,792,611 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.6

Radius: 4.2

Gravity: 22.99 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.97 AU - 11.47 AU

Year: 18366 Days

Day: 23.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,712,577 km

• M1: 52,808 km (0.058 R)
• M2: 375,491 km (0.067 R)
• M3: 513,270 km (0.107 R)
• M4: 795,711 km (0.078 R)
• M5: 939,175 km (0.083 R)
• M6: 1,187,358 km (0.095 R)
• M7: 1,433,746 km (0.112 R)
• M8: 1,866,383 km (0.104 R)
• M9: 2,084,646 km (0.093 R)
• M10: 2,319,665 km (0.049 R)
• M11: 2,550,494 km (0.097 R)
• M12: 2,913,269 km (0.039 R)
• M13: 3,825,966 km (0.113 R)
• M14: 4,148,349 km (0.096 R)
• M15: 5,548,136 km (0.116 R)
• M16: 6,313,928 km (0.089 R)
• M17: 8,338,286 km (0.111 R)
• M18: 8,483,695 km (0.08 R)
• M19: 8,729,634 km (0.084 R)
• M20: 10,930,069 km (0.074 R)
• M21: 14,218,380 km (0.073 R)
• M22: 14,847,439 km (0.098 R)
• M23: 16,011,161 km (0.1 R)
• M24: 16,160,759 km (0.086 R)
• M25: 16,311,254 km (0.086 R)
• M26: 16,845,618 km (0.1 R)
• M27: 17,156,033 km (0.084 R)
• M28: 17,312,662 km (0.119 R)
• M29: 18,518,421 km (0.115 R)
• M30: 19,015,984 km (0.074 R)
• M31: 21,638,285 km (0.101 R)
• M32: 24,890,243 km (0.064 R)
• M33: 27,372,222 km (0.095 R)
• M34: 37,880,724 km (0.12 R)
• M35: 43,435,443 km (0.074 R)
• M36: 44,019,024 km (0.087 R)
• M37: 46,254,166 km (0.117 R)
• M38: 47,322,743 km (0.062 R)
• M39: 52,088,782 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.9

Radius: 6.8

Gravity: 19.07 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.46 AU - 12.16 AU

Year: 20156 Days

Day: 17.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,712,577 km

• M1: 84,523 km (0.099 R)
• M2: 471,682 km (0.062 R)
• M3: 759,508 km (0.092 R)
• M4: 1,031,328 km (0.072 R)
• M5: 1,383,332 km (0.099 R)
• M6: 1,684,472 km (0.025 R)
• M7: 1,988,604 km (0.113 R)
• M8: 4,791,171 km (0.116 R)
• M9: 6,155,204 km (0.081 R)
• M10: 6,832,584 km (0.069 R)
• M11: 7,409,283 km (0.093 R)
• M12: 8,017,997 km (0.093 R)
• M13: 10,412,461 km (0.1 R)
• M14: 11,839,624 km (0.099 R)
• M15: 16,555,398 km (0.088 R)
• M16: 18,218,777 km (0.116 R)
• M17: 18,858,756 km (0.106 R)
• M18: 19,231,105 km (0.1 R)
• M19: 21,067,270 km (0.057 R)
• M20: 21,670,598 km (0.076 R)
• M21: 24,308,906 km (0.078 R)
• M22: 24,972,522 km (0.063 R)
• M23: 26,684,371 km (0.107 R)
• M24: 27,509,403 km (0.075 R)
• M25: 27,988,415 km (0.074 R)
• M26: 31,629,179 km (0.09 R)
• M27: 36,428,727 km (0.11 R)
• M28: 40,601,311 km (0.064 R)
• M29: 48,129,225 km (0.085 R)
• M30: 52,402,788 km (0.092 R)
• M31: 56,729,158 km (0.102 R)
• M32: 62,928,793 km (0.083 R)
• M33: 64,598,904 km (0.072 R)
• M34: 67,592,507 km (0.116 R)
• M35: 68,683,674 km (0.11 R)
• M36: 70,008,512 km (0.073 R)
• M37: 78,556,983 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.7

Radius: 3.8

Gravity: 67.57 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.37 AU - 11.31 AU

Year: 21812 Days

Day: 21.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,712,577 km

• M1: 48,470 km (0.06 R)
• M2: 359,334 km (0.079 R)
• M3: 492,626 km (0.086 R)
• M4: 699,071 km (0.089 R)
• M5: 960,867 km (0.089 R)
• M6: 2,569,194 km (0.111 R)
• M7: 3,802,479 km (0.089 R)
• M8: 6,295,527 km (0.092 R)
• M9: 7,255,198 km (0.099 R)
• M10: 8,929,347 km (0.064 R)
• M11: 12,575,197 km (0.045 R)
• M12: 18,197,235 km (0.078 R)
• M13: 19,924,791 km (0.075 R)
• M14: 20,726,486 km (0.103 R)
• M15: 22,501,016 km (0.085 R)
• M16: 23,041,513 km (0.051 R)
• M17: 23,812,839 km (0.1 R)
• M18: 28,932,228 km (0.048 R)
• M19: 32,495,051 km (0.05 R)
• M20: 39,844,196 km (0.106 R)
• M21: 40,317,374 km (0.083 R)
• M22: 44,915,414 km (0.089 R)
• M23: 48,944,235 km (0.069 R)
• M24: 49,486,976 km (0.071 R)
• M25: 62,887,654 km (0.109 R)
• M26: 63,528,830 km (0.081 R)
• M27: 70,182,644 km (0.063 R)
• M28: 90,705,827 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.3

Radius: 7.2

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 10.6 AU - 11.4 AU

Year: 23933 Days

Day: 20.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,712,577 km

• M1: 91,853 km (0.097 R)
• M2: 360,381 km (0.096 R)
• M3: 750,682 km (0.081 R)
• M4: 1,121,984 km (0.106 R)
• M5: 1,645,128 km (0.091 R)
• M6: 2,364,245 km (0.072 R)
• M7: 2,661,645 km (0.093 R)
• M8: 2,983,879 km (0.055 R)
• M9: 4,371,549 km (0.087 R)
• M10: 4,857,144 km (0.091 R)
• M11: 6,102,097 km (0.077 R)
• M12: 7,072,987 km (0.106 R)
• M13: 7,307,258 km (0.114 R)
• M14: 9,828,879 km (0.119 R)
• M15: 10,180,135 km (0.033 R)
• M16: 13,947,458 km (0.053 R)
• M17: 15,229,362 km (0.102 R)
• M18: 15,620,860 km (0.101 R)
• M19: 17,938,729 km (0.099 R)
• M20: 21,830,817 km (0.084 R)
• M21: 23,347,141 km (0.084 R)
• M22: 24,396,271 km (0.04 R)
• M23: 24,824,570 km (0.039 R)
• M24: 30,609,819 km (0.085 R)
• M25: 31,359,154 km (0.074 R)
• M26: 34,345,577 km (0.11 R)
• M27: 37,658,571 km (0.058 R)
• M28: 38,808,530 km (0.061 R)
• M29: 39,686,221 km (0.09 R)
• M30: 43,800,312 km (0.12 R)
• M31: 47,688,360 km (0.118 R)
• M32: 51,099,192 km (0.096 R)
• M33: 56,889,228 km (0.106 R)
• M34: 61,310,743 km (0.041 R)
• M35: 63,908,510 km (0.085 R)
• M36: 66,370,741 km (0.104 R)
• M37: 71,701,960 km (0.036 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 12,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit