🌌 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: 619.7

Radius: 9.1

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.62 AU - 0.7 AU

Year: 364 Days

Day: 13 Hours

Environment

Temp: -145 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,075,432 km

• M1: 113,395 km (0.112 R)
• M2: 424,559 km (0.088 R)
• M3: 727,644 km (0.081 R)
• M4: 1,259,315 km (0.054 R)
• M5: 1,726,359 km (0.111 R)
• M6: 2,170,516 km (0.107 R)
• M7: 2,483,325 km (0.045 R)
• M8: 2,866,594 km (0.092 R)
• M9: 3,389,589 km (0.099 R)
• M10: 3,764,481 km (0.115 R)
• M11: 4,392,493 km (0.112 R)
• M12: 5,014,371 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.3

Radius: 12.5

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.12 AU - 1.14 AU

Year: 815 Days

Day: 9.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 121.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,075,432 km

• M1: 155,432 km (0.082 R)
• M2: 684,560 km (0.026 R)
• M3: 1,180,028 km (0.108 R)
• M4: 1,778,569 km (0.103 R)
• M5: 2,413,462 km (0.066 R)
• M6: 4,343,574 km (0.11 R)
• M7: 4,787,581 km (0.085 R)
• M8: 5,554,419 km (0.084 R)
• M9: 6,440,188 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.4

Radius: 12.1

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.05 AU - 1.47 AU

Year: 959 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,075,432 km

• M1: 150,495 km (0.096 R)
• M2: 560,693 km (0.097 R)
• M3: 1,085,931 km (0.051 R)
• M4: 1,499,868 km (0.04 R)
• M5: 2,161,390 km (0.106 R)
• M6: 2,651,921 km (0.06 R)
• M7: 3,658,117 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.8

Radius: 12.8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.08 AU - 2.38 AU

Year: 2259 Days

Day: 5 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,075,432 km

• M1: 159,322 km (0.107 R)
• M2: 680,820 km (0.078 R)
• M3: 2,335,223 km (0.054 R)
• M4: 3,320,624 km (0.104 R)
• M5: 3,820,730 km (0.117 R)
• M6: 4,952,587 km (0.085 R)
• M7: 6,420,890 km (0.11 R)
• M8: 6,908,280 km (0.11 R)
• M9: 8,735,020 km (0.098 R)
• M10: 10,063,000 km (0.107 R)
• M11: 12,834,151 km (0.105 R)
• M12: 13,444,061 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.2

Radius: 9.3

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.33 AU - 2.63 AU

Year: 2649 Days

Day: 6.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,075,432 km

• M1: 115,639 km (0.03 R)
• M2: 409,001 km (0.086 R)
• M3: 826,528 km (0.086 R)
• M4: 1,177,934 km (0.061 R)
• M5: 1,685,220 km (0.095 R)
• M6: 2,332,680 km (0.115 R)
• M7: 2,628,584 km (0.061 R)
• M8: 2,966,526 km (0.095 R)
• M9: 3,315,238 km (0.098 R)
• M10: 3,710,775 km (0.077 R)
• M11: 4,265,634 km (0.062 R)
• M12: 5,041,897 km (0.114 R)
• M13: 6,608,486 km (0.066 R)
• M14: 8,614,294 km (0.103 R)
• M15: 9,291,524 km (0.053 R)
• M16: 10,197,189 km (0.066 R)
• M17: 11,621,810 km (0.065 R)
• M18: 12,139,568 km (0.099 R)
• M19: 12,717,614 km (0.097 R)
• M20: 13,267,536 km (0.09 R)
• M21: 14,711,455 km (0.108 R)
• M22: 15,471,561 km (0.078 R)
• M23: 16,525,329 km (0.113 R)
• M24: 17,291,120 km (0.091 R)
• M25: 20,157,864 km (0.093 R)
• M26: 20,842,574 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.6

Radius: 9.7

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.1 AU - 3.6 AU

Year: 4159 Days

Day: 10.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,075,432 km

• M1: 121,773 km (0.096 R)
• M2: 601,383 km (0.111 R)
• M3: 1,120,039 km (0.106 R)
• M4: 1,614,161 km (0.117 R)
• M5: 1,919,789 km (0.053 R)
• M6: 2,341,207 km (0.119 R)
• M7: 2,718,792 km (0.089 R)
• M8: 3,432,374 km (0.063 R)
• M9: 4,057,244 km (0.116 R)
• M10: 4,756,165 km (0.098 R)
• M11: 5,148,112 km (0.111 R)
• M12: 6,056,619 km (0.042 R)
• M13: 8,562,982 km (0.068 R)
• M14: 10,129,721 km (0.05 R)
• M15: 10,958,493 km (0.066 R)
• M16: 11,458,748 km (0.039 R)
• M17: 12,213,320 km (0.078 R)
• M18: 12,800,641 km (0.081 R)
• M19: 13,979,173 km (0.033 R)
• M20: 14,513,387 km (0.087 R)
• M21: 15,284,265 km (0.093 R)
• M22: 18,261,562 km (0.116 R)
• M23: 21,253,519 km (0.058 R)
• M24: 23,049,591 km (0.049 R)
• M25: 24,480,644 km (0.067 R)
• M26: 27,685,629 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.5

Radius: 9.9

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.55 AU - 4.05 AU

Year: 5024 Days

Day: 10.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,075,432 km

• M1: 125,961 km (0.083 R)
• M2: 443,707 km (0.077 R)
• M3: 818,899 km (0.059 R)
• M4: 1,579,903 km (0.057 R)
• M5: 1,962,574 km (0.077 R)
• M6: 2,359,757 km (0.05 R)
• M7: 4,418,523 km (0.099 R)
• M8: 5,000,010 km (0.091 R)
• M9: 5,546,491 km (0.094 R)
• M10: 6,440,338 km (0.111 R)
• M11: 9,252,329 km (0.083 R)
• M12: 12,110,097 km (0.096 R)
• M13: 14,784,010 km (0.067 R)
• M14: 15,227,717 km (0.036 R)
• M15: 17,766,393 km (0.091 R)
• M16: 19,896,966 km (0.085 R)
• M17: 21,620,483 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 8.4

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.63 AU - 5.01 AU

Year: 6090 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,075,432 km

• M1: 104,569 km (0.087 R)
• M2: 470,336 km (0.103 R)
• M3: 753,524 km (0.093 R)
• M4: 1,078,750 km (0.113 R)
• M5: 1,509,293 km (0.086 R)
• M6: 1,866,383 km (0.084 R)
• M7: 2,441,288 km (0.118 R)
• M8: 2,899,207 km (0.087 R)
• M9: 4,346,267 km (0.108 R)
• M10: 6,510,051 km (0.077 R)
• M11: 7,935,269 km (0.117 R)
• M12: 9,984,611 km (0.092 R)
• M13: 10,968,965 km (0.102 R)
• M14: 12,263,884 km (0.115 R)
• M15: 12,922,264 km (0.117 R)
• M16: 13,286,535 km (0.06 R)
• M17: 13,872,659 km (0.108 R)
• M18: 14,925,679 km (0.107 R)
• M19: 18,998,331 km (0.113 R)
• M20: 19,742,281 km (0.046 R)
• M21: 20,365,357 km (0.092 R)
• M22: 23,911,574 km (0.037 R)
• M23: 25,341,131 km (0.066 R)
• M24: 27,420,093 km (0.097 R)
• M25: 27,849,140 km (0.117 R)
• M26: 28,457,405 km (0.034 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.4

Radius: 9.4

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.76 AU - 5.46 AU

Year: 6713 Days

Day: 5.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,075,432 km

• M1: 116,836 km (0.097 R)
• M2: 647,759 km (0.093 R)
• M3: 1,024,895 km (0.063 R)
• M4: 1,378,993 km (0.076 R)
• M5: 1,857,706 km (0.105 R)
• M6: 2,966,825 km (0.109 R)
• M7: 3,793,204 km (0.094 R)
• M8: 6,558,371 km (0.11 R)
• M9: 7,050,996 km (0.113 R)
• M10: 7,606,005 km (0.113 R)
• M11: 8,761,349 km (0.109 R)
• M12: 10,121,642 km (0.095 R)
• M13: 10,876,364 km (0.116 R)
• M14: 11,416,711 km (0.095 R)
• M15: 13,758,965 km (0.058 R)
• M16: 16,340,575 km (0.096 R)
• M17: 16,984,295 km (0.109 R)
• M18: 18,598,157 km (0.094 R)
• M19: 19,087,641 km (0.079 R)
• M20: 20,607,406 km (0.097 R)
• M21: 21,741,358 km (0.103 R)
• M22: 22,677,990 km (0.1 R)
• M23: 23,076,220 km (0.101 R)
• M24: 24,050,700 km (0.118 R)
• M25: 25,222,051 km (0.084 R)
• M26: 27,228,458 km (0.097 R)
• M27: 28,871,192 km (0.098 R)
• M28: 29,622,024 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.8

Radius: 3.5

Gravity: 17.45 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.88 AU - 10.12 AU

Year: 21448 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,075,432 km

• M1: 43,533 km (0.075 R)
• M2: 248,632 km (0.12 R)
• M3: 603,328 km (0.07 R)
• M4: 897,886 km (0.044 R)
• M5: 1,576,612 km (0.031 R)
• M6: 1,847,384 km (0.058 R)
• M7: 3,150,980 km (0.115 R)
• M8: 3,450,026 km (0.105 R)
• M9: 5,099,642 km (0.073 R)
• M10: 8,042,232 km (0.104 R)
• M11: 8,599,035 km (0.055 R)
• M12: 9,330,569 km (0.06 R)
• M13: 9,634,402 km (0.042 R)
• M14: 9,840,698 km (0.116 R)
• M15: 11,253,799 km (0.03 R)
• M16: 11,598,024 km (0.099 R)
• M17: 11,890,338 km (0.115 R)
• M18: 12,187,439 km (0.075 R)
• M19: 15,507,016 km (0.115 R)
• M20: 15,648,236 km (0.117 R)
• M21: 20,890,595 km (0.118 R)
• M22: 21,761,553 km (0.074 R)
• M23: 22,116,549 km (0.083 R)
• M24: 26,988,054 km (0.111 R)
• M25: 28,335,033 km (0.088 R)
• M26: 29,293,357 km (0.061 R)
• M27: 35,623,741 km (0.116 R)
• M28: 38,006,087 km (0.099 R)
• M29: 40,092,977 km (0.118 R)
• M30: 46,956,827 km (0.065 R)
• M31: 48,447,570 km (0.072 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 15,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit