🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.1

Radius: 14.7

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.19 AU - 1.43 AU

Year: 1000 Days

Day: 10 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,660,673 km

• M1: 182,809 km (0.11 R)
• M2: 780,901 km (0.074 R)
• M3: 1,356,254 km (0.091 R)
• M4: 1,990,400 km (0.073 R)
• M5: 2,819,920 km (0.071 R)
• M6: 3,377,770 km (0.076 R)
• M7: 4,563,483 km (0.111 R)
• M8: 5,472,290 km (0.07 R)
• M9: 6,157,000 km (0.117 R)
• M10: 6,763,320 km (0.115 R)
• M11: 7,220,790 km (0.03 R)
• M12: 8,933,386 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.4

Radius: 10.5

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.14 AU - 1.6 AU

Year: 1069 Days

Day: 11.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,660,673 km

• M1: 131,048 km (0.118 R)
• M2: 458,966 km (0.036 R)
• M3: 815,757 km (0.043 R)
• M4: 1,168,060 km (0.059 R)
• M5: 1,495,680 km (0.113 R)
• M6: 2,006,556 km (0.116 R)
• M7: 3,023,971 km (0.039 R)
• M8: 3,486,079 km (0.11 R)
• M9: 4,571,113 km (0.082 R)
• M10: 5,261,956 km (0.047 R)
• M11: 6,335,320 km (0.096 R)
• M12: 9,172,743 km (0.101 R)
• M13: 10,051,032 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.2

Radius: 10.3

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.45 AU - 2.09 AU

Year: 1570 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 78.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,660,673 km

• M1: 128,056 km (0.118 R)
• M2: 458,817 km (0.049 R)
• M3: 818,151 km (0.033 R)
• M4: 1,252,134 km (0.113 R)
• M5: 1,747,004 km (0.119 R)
• M6: 2,611,979 km (0.037 R)
• M7: 3,088,897 km (0.117 R)
• M8: 3,706,736 km (0.059 R)
• M9: 4,108,556 km (0.073 R)
• M10: 4,519,950 km (0.098 R)
• M11: 5,426,064 km (0.117 R)
• M12: 6,473,549 km (0.055 R)
• M13: 7,032,446 km (0.081 R)
• M14: 8,246,583 km (0.091 R)
• M15: 9,725,058 km (0.065 R)
• M16: 10,322,552 km (0.112 R)
• M17: 11,015,041 km (0.095 R)
• M18: 11,481,637 km (0.067 R)
• M19: 12,149,292 km (0.078 R)
• M20: 13,119,284 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.2

Radius: 12.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.7 AU - 1.88 AU

Year: 1597 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,660,673 km

• M1: 160,519 km (0.111 R)
• M2: 681,867 km (0.067 R)
• M3: 1,292,376 km (0.119 R)
• M4: 2,491,852 km (0.047 R)
• M5: 3,323,466 km (0.075 R)
• M6: 5,556,215 km (0.103 R)
• M7: 6,576,322 km (0.075 R)
• M8: 7,241,135 km (0.118 R)
• M9: 7,794,647 km (0.111 R)
• M10: 8,539,794 km (0.116 R)
• M11: 10,327,788 km (0.051 R)
• M12: 10,997,538 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408

Radius: 10.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.79 AU - 4.49 AU

Year: 5617 Days

Day: 13.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,660,673 km

• M1: 132,843 km (0.113 R)
• M2: 543,639 km (0.071 R)
• M3: 1,224,907 km (0.114 R)
• M4: 2,099,008 km (0.04 R)
• M5: 3,671,880 km (0.114 R)
• M6: 6,212,800 km (0.102 R)
• M7: 6,739,085 km (0.039 R)
• M8: 8,350,104 km (0.1 R)
• M9: 10,937,250 km (0.091 R)
• M10: 13,198,721 km (0.113 R)
• M11: 15,755,648 km (0.09 R)
• M12: 19,985,079 km (0.085 R)
• M13: 21,757,963 km (0.075 R)
• M14: 23,191,260 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.8

Radius: 7.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.74 AU - 7.22 AU

Year: 12297 Days

Day: 15.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 140.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,660,673 km

• M1: 106,514 km (0.109 R)
• M2: 432,039 km (0.099 R)
• M3: 753,674 km (0.102 R)
• M4: 1,749,996 km (0.057 R)
• M5: 2,385,787 km (0.105 R)
• M6: 3,311,947 km (0.088 R)
• M7: 5,605,731 km (0.072 R)
• M8: 8,270,668 km (0.065 R)
• M9: 8,628,955 km (0.045 R)
• M10: 13,122,576 km (0.115 R)
• M11: 13,665,317 km (0.071 R)
• M12: 14,795,678 km (0.092 R)
• M13: 18,831,230 km (0.099 R)
• M14: 19,873,180 km (0.088 R)
• M15: 28,177,657 km (0.102 R)
• M16: 31,039,314 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.2

Radius: 4

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.05 AU - 9.27 AU

Year: 14138 Days

Day: 22.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,660,673 km

• M1: 49,816 km (0.071 R)
• M2: 264,190 km (0.104 R)
• M3: 423,212 km (0.061 R)
• M4: 549,922 km (0.096 R)
• M5: 917,484 km (0.047 R)
• M6: 1,064,838 km (0.04 R)
• M7: 1,196,185 km (0.073 R)
• M8: 1,541,606 km (0.042 R)
• M9: 1,792,631 km (0.077 R)
• M10: 2,513,843 km (0.078 R)
• M11: 4,148,349 km (0.062 R)
• M12: 4,660,123 km (0.046 R)
• M13: 5,070,620 km (0.116 R)
• M14: 6,348,335 km (0.102 R)
• M15: 6,547,001 km (0.1 R)
• M16: 8,287,423 km (0.103 R)
• M17: 8,848,116 km (0.069 R)
• M18: 10,314,025 km (0.05 R)
• M19: 11,152,222 km (0.032 R)
• M20: 15,971,368 km (0.045 R)
• M21: 17,154,089 km (0.112 R)
• M22: 17,410,350 km (0.089 R)
• M23: 17,669,154 km (0.073 R)
• M24: 17,799,603 km (0.072 R)
• M25: 18,260,814 km (0.047 R)
• M26: 19,622,753 km (0.112 R)
• M27: 21,492,427 km (0.103 R)
• M28: 25,332,754 km (0.041 R)
• M29: 29,422,909 km (0.084 R)
• M30: 29,790,172 km (0.109 R)
• M31: 30,346,526 km (0.107 R)
• M32: 31,671,964 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.4

Radius: 3.8

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.23 AU - 9.13 AU

Year: 15601 Days

Day: 19.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,660,673 km

• M1: 54,154 km (0.081 R)
• M2: 220,058 km (0.075 R)
• M3: 356,043 km (0.087 R)
• M4: 543,040 km (0.048 R)
• M5: 1,053,468 km (0.101 R)
• M6: 1,192,445 km (0.077 R)
• M7: 1,785,899 km (0.114 R)
• M8: 2,147,328 km (0.118 R)
• M9: 2,408,077 km (0.074 R)
• M10: 3,690,579 km (0.05 R)
• M11: 3,837,335 km (0.086 R)
• M12: 4,013,262 km (0.043 R)
• M13: 7,267,315 km (0.109 R)
• M14: 7,420,653 km (0.106 R)
• M15: 8,015,005 km (0.111 R)
• M16: 9,030,924 km (0.106 R)
• M17: 12,100,822 km (0.113 R)
• M18: 12,262,238 km (0.103 R)
• M19: 13,318,100 km (0.059 R)
• M20: 13,490,287 km (0.112 R)
• M21: 14,134,007 km (0.112 R)
• M22: 15,044,459 km (0.108 R)
• M23: 15,864,705 km (0.114 R)
• M24: 26,664,773 km (0.071 R)
• M25: 32,289,204 km (0.069 R)
• M26: 37,161,158 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.1

Radius: 7.8

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.07 AU - 10.55 AU

Year: 18943 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 108.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,660,673 km

• M1: 96,939 km (0.1 R)
• M2: 602,580 km (0.098 R)
• M3: 1,046,437 km (0.119 R)
• M4: 1,490,892 km (0.104 R)
• M5: 1,748,350 km (0.068 R)
• M6: 3,231,164 km (0.098 R)
• M7: 3,547,115 km (0.052 R)
• M8: 4,656,982 km (0.079 R)
• M9: 8,152,785 km (0.039 R)
• M10: 9,129,360 km (0.067 R)
• M11: 10,863,498 km (0.12 R)
• M12: 12,525,680 km (0.077 R)
• M13: 13,674,442 km (0.071 R)
• M14: 19,254,144 km (0.086 R)
• M15: 22,905,080 km (0.06 R)
• M16: 30,517,666 km (0.108 R)
• M17: 31,541,664 km (0.102 R)
• M18: 32,588,251 km (0.104 R)
• M19: 38,024,039 km (0.095 R)
• M20: 41,187,286 km (0.094 R)
• M21: 49,590,797 km (0.102 R)
• M22: 51,004,945 km (0.079 R)
• M23: 54,284,430 km (0.106 R)
• M24: 56,165,773 km (0.112 R)
• M25: 60,058,010 km (0.114 R)
• M26: 64,543,104 km (0.115 R)
• M27: 72,355,553 km (0.064 R)
• M28: 78,850,494 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.3

Radius: 5.1

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.99 AU - 11.15 AU

Year: 22916 Days

Day: 19.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,660,673 km

• M1: 70,610 km (0.109 R)
• M2: 359,334 km (0.108 R)
• M3: 628,012 km (0.1 R)
• M4: 1,270,535 km (0.099 R)
• M5: 1,660,836 km (0.061 R)
• M6: 1,951,654 km (0.045 R)
• M7: 2,593,129 km (0.109 R)
• M8: 3,390,486 km (0.093 R)
• M9: 4,428,845 km (0.102 R)
• M10: 5,184,613 km (0.08 R)
• M11: 5,663,327 km (0.06 R)
• M12: 5,986,308 km (0.105 R)
• M13: 8,694,778 km (0.071 R)
• M14: 11,489,416 km (0.094 R)
• M15: 11,948,681 km (0.092 R)
• M16: 12,781,792 km (0.086 R)
• M17: 13,716,479 km (0.112 R)
• M18: 15,305,657 km (0.096 R)
• M19: 16,002,634 km (0.089 R)
• M20: 17,610,063 km (0.092 R)
• M21: 21,830,967 km (0.078 R)
• M22: 26,879,446 km (0.075 R)
• M23: 36,930,478 km (0.082 R)
• M24: 38,308,275 km (0.095 R)
• M25: 39,590,029 km (0.074 R)
• M26: 40,767,963 km (0.11 R)
• M27: 45,286,716 km (0.114 R)
• M28: 50,890,652 km (0.117 R)
• M29: 51,351,713 km (0.056 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 14,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit