🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.8

Radius: 14.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.6 AU - 0.84 AU

Year: 422 Days

Day: 5.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,694,169 km

• M1: 175,478 km (0.068 R)
• M2: 767,437 km (0.098 R)
• M3: 1,365,679 km (0.094 R)
• M4: 1,942,229 km (0.098 R)
• M5: 2,602,255 km (0.1 R)
• M6: 3,082,913 km (0.09 R)
• M7: 3,672,029 km (0.102 R)
• M8: 4,253,666 km (0.077 R)
• M9: 4,911,448 km (0.072 R)
• M10: 5,538,113 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.9

Radius: 11.6

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.67 AU - 0.86 AU

Year: 457 Days

Day: 8.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,694,169 km

• M1: 144,212 km (0.091 R)
• M2: 510,877 km (0.059 R)
• M3: 936,632 km (0.03 R)
• M4: 1,320,201 km (0.117 R)
• M5: 1,896,153 km (0.098 R)
• M6: 2,431,414 km (0.079 R)
• M7: 2,967,423 km (0.094 R)
• M8: 3,483,536 km (0.085 R)
• M9: 4,222,549 km (0.064 R)
• M10: 5,158,135 km (0.057 R)
• M11: 5,786,296 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.2

Radius: 10.8

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.12 AU - 1.36 AU

Year: 953 Days

Day: 11.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,694,169 km

• M1: 134,488 km (0.112 R)
• M2: 488,886 km (0.107 R)
• M3: 837,150 km (0.106 R)
• M4: 1,353,262 km (0.099 R)
• M5: 1,761,216 km (0.112 R)
• M6: 3,184,041 km (0.098 R)
• M7: 3,916,622 km (0.115 R)
• M8: 4,323,378 km (0.047 R)
• M9: 4,848,617 km (0.096 R)
• M10: 5,655,099 km (0.059 R)
• M11: 6,197,840 km (0.094 R)
• M12: 7,657,616 km (0.105 R)
• M13: 8,534,858 km (0.1 R)
• M14: 9,306,334 km (0.029 R)
• M15: 9,651,007 km (0.076 R)
• M16: 10,184,025 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.7

Radius: 11.3

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.89 AU - 2.03 AU

Year: 1894 Days

Day: 6.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,694,169 km

• M1: 141,071 km (0.063 R)
• M2: 544,686 km (0.089 R)
• M3: 928,255 km (0.105 R)
• M4: 1,598,004 km (0.103 R)
• M5: 2,492,301 km (0.101 R)
• M6: 3,358,023 km (0.041 R)
• M7: 3,793,353 km (0.09 R)
• M8: 4,998,364 km (0.058 R)
• M9: 6,491,351 km (0.071 R)
• M10: 7,460,296 km (0.102 R)
• M11: 9,121,581 km (0.11 R)
• M12: 10,006,452 km (0.05 R)
• M13: 11,368,690 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.5

Radius: 14.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.3 AU - 2.48 AU

Year: 2550 Days

Day: 14 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,694,169 km

• M1: 177,872 km (0.066 R)
• M2: 699,071 km (0.116 R)
• M3: 1,212,042 km (0.092 R)
• M4: 2,307,697 km (0.11 R)
• M5: 3,019,035 km (0.028 R)
• M6: 3,723,491 km (0.094 R)
• M7: 4,205,495 km (0.074 R)
• M8: 5,087,375 km (0.112 R)
• M9: 5,658,839 km (0.052 R)
• M10: 6,406,379 km (0.054 R)
• M11: 9,325,632 km (0.073 R)
• M12: 10,258,824 km (0.102 R)
• M13: 11,332,637 km (0.111 R)
• M14: 12,480,053 km (0.048 R)
• M15: 14,344,641 km (0.116 R)
• M16: 14,814,827 km (0.082 R)
• M17: 16,236,605 km (0.104 R)
• M18: 17,216,471 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.3

Radius: 11

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.39 AU - 2.71 AU

Year: 2811 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,694,169 km

• M1: 136,732 km (0.067 R)
• M2: 520,750 km (0.114 R)
• M3: 1,089,222 km (0.097 R)
• M4: 1,588,729 km (0.06 R)
• M5: 2,717,445 km (0.115 R)
• M6: 4,031,214 km (0.106 R)
• M7: 4,457,269 km (0.109 R)
• M8: 4,989,089 km (0.06 R)
• M9: 5,728,701 km (0.114 R)
• M10: 7,476,303 km (0.113 R)
• M11: 9,465,805 km (0.1 R)
• M12: 10,887,733 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.7

Radius: 14.1

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.33 AU - 4.97 AU

Year: 5836 Days

Day: 9.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,694,169 km

• M1: 175,628 km (0.028 R)
• M2: 669,301 km (0.045 R)
• M3: 1,577,809 km (0.054 R)
• M4: 2,343,750 km (0.118 R)
• M5: 3,526,770 km (0.048 R)
• M6: 4,126,956 km (0.104 R)
• M7: 4,820,043 km (0.106 R)
• M8: 8,035,500 km (0.081 R)
• M9: 8,735,169 km (0.097 R)
• M10: 9,197,875 km (0.074 R)
• M11: 9,840,099 km (0.096 R)
• M12: 11,170,024 km (0.082 R)
• M13: 11,669,681 km (0.06 R)
• M14: 12,568,016 km (0.1 R)
• M15: 13,768,090 km (0.12 R)
• M16: 15,318,672 km (0.025 R)
• M17: 15,936,212 km (0.119 R)
• M18: 17,950,996 km (0.046 R)
• M19: 20,668,143 km (0.089 R)
• M20: 21,771,876 km (0.105 R)
• M21: 22,409,761 km (0.063 R)
• M22: 27,148,872 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.6

Radius: 8.3

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.68 AU - 4.7 AU

Year: 5920 Days

Day: 11.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,694,169 km

• M1: 103,372 km (0.105 R)
• M2: 523,443 km (0.096 R)
• M3: 1,114,953 km (0.095 R)
• M4: 1,786,498 km (0.09 R)
• M5: 2,143,139 km (0.071 R)
• M6: 2,412,266 km (0.114 R)
• M7: 2,962,187 km (0.111 R)
• M8: 3,277,390 km (0.051 R)
• M9: 3,929,338 km (0.063 R)
• M10: 4,409,996 km (0.054 R)
• M11: 5,148,411 km (0.118 R)
• M12: 6,602,203 km (0.083 R)
• M13: 6,868,786 km (0.093 R)
• M14: 7,423,645 km (0.059 R)
• M15: 7,933,325 km (0.088 R)
• M16: 9,902,781 km (0.096 R)
• M17: 10,252,840 km (0.108 R)
• M18: 12,127,899 km (0.05 R)
• M19: 17,350,211 km (0.047 R)
• M20: 19,108,286 km (0.104 R)
• M21: 19,514,593 km (0.093 R)
• M22: 21,125,613 km (0.111 R)
• M23: 23,822,115 km (0.106 R)
• M24: 24,769,667 km (0.12 R)
• M25: 25,252,869 km (0.071 R)
• M26: 27,590,934 km (0.089 R)
• M27: 27,849,588 km (0.111 R)
• M28: 28,197,254 km (0.061 R)
• M29: 30,989,648 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.8

Radius: 4.1

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.37 AU - 6.01 AU

Year: 9369 Days

Day: 23.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,694,169 km

• M1: 51,162 km (0.084 R)
• M2: 211,831 km (0.095 R)
• M3: 605,871 km (0.091 R)
• M4: 929,452 km (0.11 R)
• M5: 1,084,136 km (0.111 R)
• M6: 1,412,952 km (0.1 R)
• M7: 1,583,045 km (0.09 R)
• M8: 1,728,753 km (0.089 R)
• M9: 2,061,758 km (0.067 R)
• M10: 4,140,420 km (0.039 R)
• M11: 5,038,157 km (0.096 R)
• M12: 6,176,447 km (0.116 R)
• M13: 6,539,671 km (0.062 R)
• M14: 7,275,393 km (0.096 R)
• M15: 8,315,846 km (0.105 R)
• M16: 9,610,616 km (0.099 R)
• M17: 9,933,747 km (0.117 R)
• M18: 11,033,890 km (0.097 R)
• M19: 13,725,455 km (0.029 R)
• M20: 13,929,357 km (0.087 R)
• M21: 14,658,647 km (0.108 R)
• M22: 16,592,947 km (0.097 R)
• M23: 17,591,064 km (0.115 R)
• M24: 21,093,898 km (0.09 R)
• M25: 25,722,905 km (0.033 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883

Radius: 3

Gravity: 98.11 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.7 AU - 9.04 AU

Year: 13811 Days

Day: 23.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,694,169 km

• M1: 338,390 km (0.101 R)
• M2: 1,011,581 km (0.084 R)
• M3: 3,585,113 km (0.065 R)
• M4: 3,991,870 km (0.078 R)
• M5: 4,827,673 km (0.108 R)
• M6: 6,923,090 km (0.073 R)
• M7: 8,972,132 km (0.099 R)
• M8: 9,882,884 km (0.05 R)
• M9: 11,031,048 km (0.07 R)
• M10: 12,393,436 km (0.105 R)
• M11: 14,284,353 km (0.106 R)
• M12: 15,822,668 km (0.055 R)
• M13: 20,910,342 km (0.1 R)
• M14: 21,555,856 km (0.095 R)
• M15: 27,423,683 km (0.081 R)
• M16: 28,420,155 km (0.111 R)
• M17: 33,766,184 km (0.035 R)
• M18: 34,653,748 km (0.101 R)
• M19: 34,910,159 km (0.092 R)
• M20: 44,400,199 km (0.057 R)
• M21: 48,121,147 km (0.084 R)
• M22: 51,709,701 km (0.102 R)
• M23: 58,865,565 km (0.092 R)
• M24: 63,921,375 km (0.074 R)
• M25: 64,694,198 km (0.089 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 15,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit