🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408

Radius: 11.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.68 AU - 0.78 AU

Year: 423 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,649,897 km

• M1: 145,559 km (0.112 R)
• M2: 761,004 km (0.05 R)
• M3: 1,652,608 km (0.092 R)
• M4: 2,365,591 km (0.118 R)
• M5: 3,032,349 km (0.103 R)
• M6: 4,521,895 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.9

Radius: 15

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.76 AU - 1.22 AU

Year: 668 Days

Day: 9.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,649,897 km

• M1: 186,997 km (0.093 R)
• M2: 1,099,245 km (0.114 R)
• M3: 1,566,888 km (0.113 R)
• M4: 2,100,653 km (0.113 R)
• M5: 2,862,854 km (0.109 R)
• M6: 3,876,530 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767

Radius: 13.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.73 AU - 1.77 AU

Year: 1570 Days

Day: 6.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,649,897 km

• M1: 170,392 km (0.119 R)
• M2: 713,432 km (0.11 R)
• M3: 1,208,452 km (0.117 R)
• M4: 1,637,797 km (0.073 R)
• M5: 2,821,715 km (0.077 R)
• M6: 3,262,730 km (0.102 R)
• M7: 4,418,523 km (0.101 R)
• M8: 4,955,729 km (0.103 R)
• M9: 6,042,557 km (0.109 R)
• M10: 6,912,020 km (0.111 R)
• M11: 7,666,442 km (0.095 R)
• M12: 8,415,479 km (0.032 R)
• M13: 9,468,199 km (0.039 R)
• M14: 10,093,817 km (0.107 R)
• M15: 10,781,818 km (0.037 R)
• M16: 12,328,809 km (0.09 R)
• M17: 13,155,786 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.9

Radius: 10.5

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.77 AU - 1.87 AU

Year: 1665 Days

Day: 12.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,649,897 km

• M1: 130,599 km (0.106 R)
• M2: 537,505 km (0.107 R)
• M3: 868,715 km (0.118 R)
• M4: 1,203,964 km (0.034 R)
• M5: 1,598,752 km (0.062 R)
• M6: 2,127,132 km (0.028 R)
• M7: 2,755,144 km (0.113 R)
• M8: 3,336,332 km (0.085 R)
• M9: 3,674,124 km (0.098 R)
• M10: 4,016,254 km (0.106 R)
• M11: 4,641,124 km (0.087 R)
• M12: 5,889,369 km (0.081 R)
• M13: 6,643,941 km (0.07 R)
• M14: 7,017,636 km (0.076 R)
• M15: 7,633,231 km (0.099 R)
• M16: 8,193,475 km (0.082 R)
• M17: 9,697,682 km (0.114 R)
• M18: 10,785,707 km (0.097 R)
• M19: 11,415,963 km (0.08 R)
• M20: 12,149,142 km (0.119 R)
• M21: 14,896,806 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.6

Radius: 14.7

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.33 AU - 2.59 AU

Year: 2617 Days

Day: 8.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,649,897 km

• M1: 182,809 km (0.09 R)
• M2: 682,017 km (0.092 R)
• M3: 1,524,552 km (0.055 R)
• M4: 2,379,803 km (0.097 R)
• M5: 3,589,751 km (0.039 R)
• M6: 4,100,029 km (0.1 R)
• M7: 4,679,721 km (0.085 R)
• M8: 5,245,649 km (0.107 R)
• M9: 7,224,530 km (0.116 R)
• M10: 8,196,767 km (0.091 R)
• M11: 10,401,989 km (0.116 R)
• M12: 11,332,787 km (0.112 R)
• M13: 11,798,934 km (0.078 R)
• M14: 12,978,662 km (0.118 R)
• M15: 14,596,414 km (0.067 R)
• M16: 16,149,539 km (0.096 R)
• M17: 16,890,946 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.6

Radius: 14.7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.56 AU - 3.02 AU

Year: 3161 Days

Day: 13.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,649,897 km

• M1: 182,958 km (0.061 R)
• M2: 776,263 km (0.089 R)
• M3: 1,292,675 km (0.106 R)
• M4: 2,019,571 km (0.067 R)
• M5: 2,479,136 km (0.119 R)
• M6: 3,405,147 km (0.101 R)
• M7: 5,355,454 km (0.08 R)
• M8: 5,970,152 km (0.072 R)
• M9: 6,842,756 km (0.057 R)
• M10: 8,309,414 km (0.113 R)
• M11: 10,056,118 km (0.046 R)
• M12: 10,744,717 km (0.087 R)
• M13: 11,947,335 km (0.059 R)
• M14: 17,843,735 km (0.087 R)
• M15: 20,924,853 km (0.043 R)
• M16: 22,454,940 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.4

Radius: 14.2

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.84 AU - 2.86 AU

Year: 3263 Days

Day: 11.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,649,897 km

• M1: 180,415 km (0.107 R)
• M2: 670,498 km (0.049 R)
• M3: 1,301,501 km (0.103 R)
• M4: 4,158,372 km (0.042 R)
• M5: 4,610,756 km (0.098 R)
• M6: 7,192,366 km (0.049 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.5

Radius: 12.4

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.61 AU - 3.67 AU

Year: 4710 Days

Day: 7.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,649,897 km

• M1: 154,235 km (0.097 R)
• M2: 719,267 km (0.095 R)
• M3: 1,248,843 km (0.119 R)
• M4: 1,741,469 km (0.113 R)
• M5: 2,510,551 km (0.102 R)
• M6: 2,940,496 km (0.08 R)
• M7: 3,629,693 km (0.092 R)
• M8: 4,269,523 km (0.093 R)
• M9: 4,721,458 km (0.092 R)
• M10: 5,255,373 km (0.103 R)
• M11: 6,561,363 km (0.096 R)
• M12: 7,939,009 km (0.099 R)
• M13: 9,999,870 km (0.12 R)
• M14: 10,759,976 km (0.072 R)
• M15: 11,175,260 km (0.114 R)
• M16: 12,395,530 km (0.12 R)
• M17: 14,691,259 km (0.075 R)
• M18: 15,832,990 km (0.092 R)
• M19: 17,089,014 km (0.107 R)
• M20: 17,885,323 km (0.082 R)
• M21: 20,613,390 km (0.094 R)
• M22: 21,125,912 km (0.069 R)
• M23: 21,844,431 km (0.097 R)
• M24: 22,646,874 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.3

Radius: 7.6

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.18 AU - 6.86 AU

Year: 10018 Days

Day: 24.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,649,897 km

• M1: 135,386 km (0.069 R)
• M2: 383,868 km (0.092 R)
• M3: 688,300 km (0.1 R)
• M4: 1,122,732 km (0.053 R)
• M5: 1,446,611 km (0.097 R)
• M6: 1,744,162 km (0.05 R)
• M7: 2,250,251 km (0.103 R)
• M8: 3,016,192 km (0.085 R)
• M9: 3,436,263 km (0.12 R)
• M10: 3,919,763 km (0.081 R)
• M11: 5,359,194 km (0.061 R)
• M12: 5,875,606 km (0.113 R)
• M13: 8,532,913 km (0.118 R)
• M14: 9,836,958 km (0.059 R)
• M15: 10,413,807 km (0.092 R)
• M16: 11,793,548 km (0.078 R)
• M17: 14,236,332 km (0.082 R)
• M18: 16,592,498 km (0.082 R)
• M19: 17,827,578 km (0.119 R)
• M20: 18,324,094 km (0.067 R)
• M21: 18,975,892 km (0.095 R)
• M22: 21,498,860 km (0.044 R)
• M23: 21,738,665 km (0.043 R)
• M24: 25,824,482 km (0.069 R)
• M25: 28,429,729 km (0.114 R)
• M26: 32,763,878 km (0.077 R)
• M27: 37,983,199 km (0.116 R)
• M28: 39,638,948 km (0.073 R)
• M29: 40,241,678 km (0.116 R)
• M30: 40,850,541 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.8

Radius: 4.6

Gravity: 43.37 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.15 AU - 7.79 AU

Year: 13848 Days

Day: 20.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,649,897 km

• M1: 57,146 km (0.025 R)
• M2: 201,359 km (0.087 R)
• M3: 479,312 km (0.1 R)
• M4: 655,987 km (0.105 R)
• M5: 919,429 km (0.11 R)
• M6: 1,250,489 km (0.11 R)
• M7: 2,206,569 km (0.095 R)
• M8: 2,414,360 km (0.092 R)
• M9: 4,382,320 km (0.105 R)
• M10: 8,158,320 km (0.114 R)
• M11: 9,440,673 km (0.108 R)
• M12: 9,657,590 km (0.104 R)
• M13: 10,910,771 km (0.034 R)
• M14: 15,018,878 km (0.059 R)
• M15: 18,237,327 km (0.079 R)
• M16: 19,000,725 km (0.053 R)
• M17: 21,981,911 km (0.043 R)
• M18: 22,267,493 km (0.111 R)
• M19: 23,335,772 km (0.055 R)
• M20: 23,932,518 km (0.09 R)
• M21: 24,949,783 km (0.109 R)
• M22: 26,961,575 km (0.118 R)
• M23: 28,174,216 km (0.048 R)
• M24: 28,398,613 km (0.043 R)
• M25: 29,307,868 km (0.04 R)
• M26: 33,640,672 km (0.096 R)
• M27: 36,222,880 km (0.037 R)
• M28: 37,291,757 km (0.047 R)
• M29: 47,081,741 km (0.041 R)
• M30: 49,976,460 km (0.115 R)
• M31: 53,672,724 km (0.066 R)
• M32: 56,117,303 km (0.077 R)
• M33: 60,665,527 km (0.047 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 18,859 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit