🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 12.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.92 AU - 1.18 AU

Year: 717 Days

Day: 8.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,416,155 km

• M1: 154,535 km (0.062 R)
• M2: 1,133,503 km (0.113 R)
• M3: 1,971,550 km (0.085 R)
• M4: 2,710,863 km (0.118 R)
• M5: 3,510,613 km (0.109 R)
• M6: 4,868,513 km (0.106 R)
• M7: 6,258,876 km (0.087 R)
• M8: 6,953,459 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 12.9

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.39 AU - 1.85 AU

Year: 1375 Days

Day: 7 Hours

Environment

Temp: -201 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,416,155 km

• M1: 160,369 km (0.06 R)
• M2: 569,220 km (0.104 R)
• M3: 1,215,034 km (0.117 R)
• M4: 1,769,593 km (0.112 R)
• M5: 2,995,997 km (0.111 R)
• M6: 5,076,155 km (0.1 R)
• M7: 5,570,127 km (0.071 R)
• M8: 6,073,524 km (0.076 R)
• M9: 8,399,023 km (0.074 R)
• M10: 9,917,890 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.4

Radius: 12.2

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.28 AU - 2.04 AU

Year: 1426 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,416,155 km

• M1: 151,692 km (0.04 R)
• M2: 658,829 km (0.1 R)
• M3: 1,056,311 km (0.101 R)
• M4: 1,996,533 km (0.052 R)
• M5: 2,508,008 km (0.086 R)
• M6: 2,973,407 km (0.062 R)
• M7: 3,902,111 km (0.058 R)
• M8: 4,589,663 km (0.106 R)
• M9: 5,578,056 km (0.116 R)
• M10: 6,087,287 km (0.111 R)
• M11: 6,501,823 km (0.098 R)
• M12: 6,935,208 km (0.098 R)
• M13: 7,663,301 km (0.093 R)
• M14: 8,621,774 km (0.112 R)
• M15: 9,496,174 km (0.046 R)
• M16: 10,706,420 km (0.098 R)
• M17: 12,554,253 km (0.104 R)
• M18: 14,348,680 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.3

Radius: 10.3

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.34 AU - 3.3 AU

Year: 3158 Days

Day: 10.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,416,155 km

• M1: 128,056 km (0.099 R)
• M2: 558,598 km (0.038 R)
• M3: 927,208 km (0.089 R)
• M4: 1,839,007 km (0.096 R)
• M5: 2,324,003 km (0.071 R)
• M6: 3,084,558 km (0.093 R)
• M7: 3,532,903 km (0.059 R)
• M8: 3,897,324 km (0.104 R)
• M9: 4,895,890 km (0.098 R)
• M10: 5,350,517 km (0.115 R)
• M11: 7,588,502 km (0.065 R)
• M12: 9,100,038 km (0.05 R)
• M13: 10,226,660 km (0.118 R)
• M14: 10,719,286 km (0.083 R)
• M15: 11,575,285 km (0.118 R)
• M16: 12,661,964 km (0.1 R)
• M17: 13,471,887 km (0.115 R)
• M18: 14,673,606 km (0.066 R)
• M19: 16,164,349 km (0.075 R)
• M20: 18,767,950 km (0.028 R)
• M21: 20,264,976 km (0.112 R)
• M22: 21,108,409 km (0.077 R)
• M23: 21,773,072 km (0.103 R)
• M24: 24,065,510 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.4

Radius: 11.5

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.06 AU - 4.26 AU

Year: 4669 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,416,155 km

• M1: 143,614 km (0.106 R)
• M2: 639,980 km (0.076 R)
• M3: 1,145,471 km (0.099 R)
• M4: 1,538,465 km (0.071 R)
• M5: 2,692,762 km (0.08 R)
• M6: 3,147,090 km (0.08 R)
• M7: 3,505,677 km (0.102 R)
• M8: 3,913,929 km (0.118 R)
• M9: 5,672,452 km (0.042 R)
• M10: 6,424,181 km (0.066 R)
• M11: 7,799,435 km (0.103 R)
• M12: 8,162,808 km (0.104 R)
• M13: 11,585,158 km (0.096 R)
• M14: 12,744,542 km (0.091 R)
• M15: 16,988,334 km (0.093 R)
• M16: 18,740,275 km (0.116 R)
• M17: 20,609,799 km (0.051 R)
• M18: 21,026,130 km (0.118 R)
• M19: 22,091,417 km (0.102 R)
• M20: 23,192,307 km (0.109 R)
• M21: 26,387,868 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.9

Radius: 11

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.65 AU - 3.86 AU

Year: 4843 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,416,155 km

• M1: 137,032 km (0.07 R)
• M2: 500,704 km (0.077 R)
• M3: 844,031 km (0.087 R)
• M4: 1,384,528 km (0.089 R)
• M5: 1,886,878 km (0.113 R)
• M6: 2,876,468 km (0.12 R)
• M7: 4,751,378 km (0.112 R)
• M8: 6,015,330 km (0.118 R)
• M9: 7,140,755 km (0.076 R)
• M10: 8,124,361 km (0.119 R)
• M11: 9,121,730 km (0.076 R)
• M12: 9,804,794 km (0.083 R)
• M13: 10,399,745 km (0.04 R)
• M14: 15,791,102 km (0.113 R)
• M15: 16,831,855 km (0.095 R)
• M16: 17,226,644 km (0.065 R)
• M17: 18,329,479 km (0.098 R)
• M18: 18,687,467 km (0.115 R)
• M19: 20,165,943 km (0.051 R)
• M20: 22,391,809 km (0.028 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.8

Radius: 8.2

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.4 AU - 4.48 AU

Year: 5215 Days

Day: 9.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,416,155 km

• M1: 102,026 km (0.075 R)
• M2: 373,097 km (0.108 R)
• M3: 800,199 km (0.059 R)
• M4: 1,360,892 km (0.062 R)
• M5: 1,968,858 km (0.105 R)
• M6: 2,286,903 km (0.059 R)
• M7: 3,648,094 km (0.112 R)
• M8: 5,838,805 km (0.116 R)
• M9: 6,532,789 km (0.091 R)
• M10: 8,160,265 km (0.101 R)
• M11: 8,824,928 km (0.033 R)
• M12: 9,273,871 km (0.092 R)
• M13: 11,799,831 km (0.101 R)
• M14: 15,267,809 km (0.09 R)
• M15: 17,967,303 km (0.025 R)
• M16: 18,358,501 km (0.109 R)
• M17: 24,848,954 km (0.11 R)
• M18: 26,408,961 km (0.061 R)
• M19: 26,830,079 km (0.041 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.4

Radius: 11.2

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.56 AU - 6.82 AU

Year: 9051 Days

Day: 9.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,416,155 km

• M1: 158,574 km (0.038 R)
• M2: 563,685 km (0.059 R)
• M3: 1,486,105 km (0.119 R)
• M4: 1,958,535 km (0.097 R)
• M5: 2,473,900 km (0.099 R)
• M6: 3,122,257 km (0.08 R)
• M7: 4,088,360 km (0.049 R)
• M8: 4,498,558 km (0.053 R)
• M9: 4,996,569 km (0.106 R)
• M10: 5,433,993 km (0.08 R)
• M11: 6,068,737 km (0.089 R)
• M12: 6,752,249 km (0.095 R)
• M13: 7,210,019 km (0.115 R)
• M14: 10,059,410 km (0.115 R)
• M15: 11,652,627 km (0.114 R)
• M16: 12,939,169 km (0.067 R)
• M17: 13,289,826 km (0.108 R)
• M18: 13,888,367 km (0.114 R)
• M19: 18,891,369 km (0.106 R)
• M20: 21,793,717 km (0.101 R)
• M21: 23,221,928 km (0.066 R)
• M22: 24,002,829 km (0.119 R)
• M23: 31,206,116 km (0.079 R)
• M24: 32,801,727 km (0.102 R)
• M25: 33,345,515 km (0.094 R)
• M26: 38,033,763 km (0.075 R)
• M27: 38,393,097 km (0.113 R)
• M28: 38,875,699 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.5

Radius: 5.2

Gravity: 31.08 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.42 AU - 7.24 AU

Year: 10620 Days

Day: 18.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,416,155 km

• M1: 66,721 km (0.043 R)
• M2: 283,189 km (0.07 R)
• M3: 820,844 km (0.098 R)
• M4: 1,578,407 km (0.11 R)
• M5: 1,862,493 km (0.094 R)
• M6: 2,658,953 km (0.109 R)
• M7: 3,085,606 km (0.069 R)
• M8: 3,989,177 km (0.114 R)
• M9: 4,486,590 km (0.086 R)
• M10: 4,766,039 km (0.109 R)
• M11: 5,498,320 km (0.118 R)
• M12: 5,674,846 km (0.062 R)
• M13: 6,496,437 km (0.106 R)
• M14: 8,465,594 km (0.042 R)
• M15: 8,653,638 km (0.116 R)
• M16: 11,416,562 km (0.095 R)
• M17: 11,879,118 km (0.101 R)
• M18: 14,182,028 km (0.066 R)
• M19: 16,692,430 km (0.075 R)
• M20: 17,063,133 km (0.1 R)
• M21: 20,819,236 km (0.048 R)
• M22: 21,683,912 km (0.119 R)
• M23: 24,043,819 km (0.101 R)
• M24: 24,516,398 km (0.109 R)
• M25: 26,469,099 km (0.063 R)
• M26: 29,804,982 km (0.042 R)
• M27: 33,763,043 km (0.097 R)
• M28: 37,422,805 km (0.099 R)
• M29: 37,675,775 km (0.098 R)
• M30: 39,740,974 km (0.092 R)
• M31: 41,473,466 km (0.049 R)
• M32: 42,427,003 km (0.072 R)
• M33: 43,954,697 km (0.088 R)
• M34: 44,519,130 km (0.071 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 19,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit