🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 14.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.86 AU - 1.22 AU

Year: 696 Days

Day: 14.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,910,241 km

• M1: 184,005 km (0.09 R)
• M2: 653,892 km (0.075 R)
• M3: 1,228,199 km (0.063 R)
• M4: 2,461,035 km (0.094 R)
• M5: 2,989,863 km (0.078 R)
• M6: 3,927,542 km (0.117 R)
• M7: 4,409,098 km (0.026 R)
• M8: 4,930,297 km (0.103 R)
• M9: 5,587,480 km (0.076 R)
• M10: 6,118,254 km (0.059 R)
• M11: 7,236,348 km (0.11 R)
• M12: 7,796,592 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.9

Radius: 9.9

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.07 AU - 1.15 AU

Year: 767 Days

Day: 9.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,910,241 km

• M1: 130,001 km (0.115 R)
• M2: 502,499 km (0.069 R)
• M3: 900,280 km (0.105 R)
• M4: 1,303,446 km (0.1 R)
• M5: 3,382,408 km (0.075 R)
• M6: 3,794,400 km (0.025 R)
• M7: 4,800,296 km (0.117 R)
• M8: 5,937,240 km (0.113 R)
• M9: 6,340,556 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.2

Radius: 10

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.09 AU - 1.27 AU

Year: 841 Days

Day: 14.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,910,241 km

• M1: 124,316 km (0.083 R)
• M2: 550,819 km (0.039 R)
• M3: 945,608 km (0.075 R)
• M4: 1,471,295 km (0.112 R)
• M5: 2,136,407 km (0.099 R)
• M6: 2,668,676 km (0.11 R)
• M7: 3,211,268 km (0.076 R)
• M8: 3,549,658 km (0.118 R)
• M9: 4,028,222 km (0.087 R)
• M10: 5,097,847 km (0.093 R)
• M11: 5,671,255 km (0.106 R)
• M12: 6,012,338 km (0.089 R)
• M13: 6,631,973 km (0.099 R)
• M14: 7,404,347 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.2

Radius: 8.7

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.77 AU - 2.27 AU

Year: 1883 Days

Day: 9.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,910,241 km

• M1: 108,159 km (0.057 R)
• M2: 395,238 km (0.083 R)
• M3: 815,608 km (0.118 R)
• M4: 1,091,466 km (0.092 R)
• M5: 1,550,283 km (0.025 R)
• M6: 2,643,694 km (0.12 R)
• M7: 2,943,039 km (0.11 R)
• M8: 3,443,145 km (0.072 R)
• M9: 4,109,603 km (0.117 R)
• M10: 4,553,161 km (0.119 R)
• M11: 5,157,536 km (0.063 R)
• M12: 5,536,019 km (0.083 R)
• M13: 6,101,948 km (0.086 R)
• M14: 6,654,113 km (0.088 R)
• M15: 8,180,610 km (0.082 R)
• M16: 8,481,451 km (0.096 R)
• M17: 12,064,021 km (0.062 R)
• M18: 12,933,634 km (0.032 R)
• M19: 14,489,601 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.1

Radius: 9.8

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.74 AU - 2.42 AU

Year: 1968 Days

Day: 10 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,910,241 km

• M1: 123,717 km (0.114 R)
• M2: 451,187 km (0.1 R)
• M3: 805,136 km (0.061 R)
• M4: 1,316,012 km (0.048 R)
• M5: 1,646,773 km (0.101 R)
• M6: 2,056,821 km (0.103 R)
• M7: 2,561,415 km (0.111 R)
• M8: 3,522,731 km (0.044 R)
• M9: 5,495,478 km (0.098 R)
• M10: 5,848,379 km (0.088 R)
• M11: 6,317,069 km (0.051 R)
• M12: 6,625,989 km (0.114 R)
• M13: 7,613,784 km (0.069 R)
• M14: 7,934,372 km (0.114 R)
• M15: 8,416,825 km (0.12 R)
• M16: 9,407,462 km (0.089 R)
• M17: 10,191,205 km (0.089 R)
• M18: 11,203,534 km (0.049 R)
• M19: 12,202,100 km (0.087 R)
• M20: 13,342,933 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.2

Radius: 10

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.51 AU - 3.41 AU

Year: 3341 Days

Day: 14.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,910,241 km

• M1: 124,316 km (0.086 R)
• M2: 711,637 km (0.106 R)
• M3: 1,063,491 km (0.065 R)
• M4: 1,523,355 km (0.109 R)
• M5: 2,034,830 km (0.07 R)
• M6: 2,704,580 km (0.099 R)
• M7: 3,312,097 km (0.061 R)
• M8: 3,648,692 km (0.111 R)
• M9: 4,091,352 km (0.118 R)
• M10: 4,435,427 km (0.098 R)
• M11: 5,483,211 km (0.109 R)
• M12: 6,120,348 km (0.09 R)
• M13: 7,260,134 km (0.111 R)
• M14: 7,929,734 km (0.114 R)
• M15: 8,364,466 km (0.036 R)
• M16: 11,149,679 km (0.117 R)
• M17: 12,616,037 km (0.058 R)
• M18: 14,749,153 km (0.084 R)
• M19: 18,998,182 km (0.109 R)
• M20: 19,475,399 km (0.112 R)
• M21: 20,578,683 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.7

Radius: 12.2

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.72 AU - 3.3 AU

Year: 3426 Days

Day: 8.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,910,241 km

• M1: 160,519 km (0.12 R)
• M2: 843,582 km (0.077 R)
• M3: 1,256,024 km (0.067 R)
• M4: 1,806,394 km (0.109 R)
• M5: 2,259,825 km (0.062 R)
• M6: 2,819,321 km (0.062 R)
• M7: 3,629,693 km (0.1 R)
• M8: 4,099,879 km (0.101 R)
• M9: 8,142,163 km (0.073 R)
• M10: 8,720,359 km (0.093 R)
• M11: 12,783,437 km (0.092 R)
• M12: 13,654,246 km (0.087 R)
• M13: 15,856,327 km (0.079 R)
• M14: 16,912,937 km (0.094 R)
• M15: 17,696,082 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.2

Radius: 12

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.54 AU - 3.6 AU

Year: 4425 Days

Day: 12.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,910,241 km

• M1: 149,897 km (0.09 R)
• M2: 817,403 km (0.097 R)
• M3: 1,332,767 km (0.098 R)
• M4: 1,990,848 km (0.114 R)
• M5: 2,412,116 km (0.036 R)
• M6: 2,820,518 km (0.077 R)
• M7: 3,255,549 km (0.067 R)
• M8: 3,670,085 km (0.052 R)
• M9: 5,023,496 km (0.065 R)
• M10: 5,993,938 km (0.051 R)
• M11: 6,428,221 km (0.099 R)
• M12: 7,187,579 km (0.053 R)
• M13: 8,266,778 km (0.093 R)
• M14: 8,924,560 km (0.113 R)
• M15: 9,450,995 km (0.069 R)
• M16: 10,257,477 km (0.08 R)
• M17: 11,434,962 km (0.063 R)
• M18: 12,750,975 km (0.104 R)
• M19: 13,211,287 km (0.072 R)
• M20: 14,165,422 km (0.038 R)
• M21: 16,449,632 km (0.059 R)
• M22: 16,995,664 km (0.077 R)
• M23: 17,742,307 km (0.099 R)
• M24: 20,114,481 km (0.092 R)
• M25: 20,529,465 km (0.082 R)
• M26: 26,129,063 km (0.101 R)
• M27: 28,576,335 km (0.092 R)
• M28: 29,277,350 km (0.093 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.6

Radius: 8.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.17 AU - 4.73 AU

Year: 5150 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,910,241 km

• M1: 106,962 km (0.112 R)
• M2: 372,200 km (0.096 R)
• M3: 701,016 km (0.118 R)
• M4: 1,023,848 km (0.1 R)
• M5: 1,476,830 km (0.082 R)
• M6: 2,330,735 km (0.117 R)
• M7: 2,898,908 km (0.12 R)
• M8: 3,314,790 km (0.078 R)
• M9: 3,652,582 km (0.12 R)
• M10: 4,244,989 km (0.112 R)
• M11: 4,530,721 km (0.118 R)
• M12: 5,067,777 km (0.051 R)
• M13: 5,646,721 km (0.07 R)
• M14: 5,965,963 km (0.107 R)
• M15: 6,381,845 km (0.103 R)
• M16: 6,728,314 km (0.045 R)
• M17: 8,275,605 km (0.07 R)
• M18: 8,899,577 km (0.056 R)
• M19: 10,476,937 km (0.094 R)
• M20: 11,754,952 km (0.072 R)
• M21: 13,133,795 km (0.118 R)
• M22: 13,838,401 km (0.118 R)
• M23: 16,316,041 km (0.053 R)
• M24: 21,036,303 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.7

Radius: 3.7

Gravity: 21.45 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.33 AU - 11.69 AU

Year: 19239 Days

Day: 16.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,910,241 km

• M1: 46,076 km (0.097 R)
• M2: 570,865 km (0.112 R)
• M3: 761,752 km (0.093 R)
• M4: 1,157,888 km (0.052 R)
• M5: 1,285,495 km (0.117 R)
• M6: 1,759,121 km (0.052 R)
• M7: 1,999,376 km (0.049 R)
• M8: 2,461,783 km (0.058 R)
• M9: 3,411,131 km (0.099 R)
• M10: 5,343,038 km (0.084 R)
• M11: 7,676,615 km (0.119 R)
• M12: 9,189,199 km (0.073 R)
• M13: 11,230,163 km (0.097 R)
• M14: 11,577,828 km (0.042 R)
• M15: 16,106,754 km (0.052 R)
• M16: 22,867,531 km (0.068 R)
• M17: 25,056,297 km (0.096 R)
• M18: 25,450,637 km (0.067 R)
• M19: 25,949,396 km (0.09 R)
• M20: 28,434,516 km (0.065 R)
• M21: 28,648,441 km (0.094 R)
• M22: 29,624,717 km (0.092 R)
• M23: 32,803,522 km (0.089 R)
• M24: 34,962,668 km (0.068 R)
• M25: 39,031,580 km (0.08 R)
• M26: 40,230,458 km (0.106 R)
• M27: 43,122,633 km (0.111 R)
• M28: 47,640,788 km (0.06 R)
• M29: 53,271,503 km (0.05 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: 423 - 18,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit